diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/Makefile.am | 6 | ||||
-rw-r--r-- | include/atomic/nolock.h | 29 | ||||
-rw-r--r-- | include/atomic/rwlock.h | 23 | ||||
-rw-r--r-- | include/atomic/x86-gcc.h | 31 | ||||
-rw-r--r-- | include/atomic/x86-msvc.h | 12 | ||||
-rw-r--r-- | include/ft_global.h | 11 | ||||
-rw-r--r-- | include/keycache.h | 3 | ||||
-rw-r--r-- | include/lf.h | 260 | ||||
-rw-r--r-- | include/m_string.h | 7 | ||||
-rw-r--r-- | include/maria.h | 448 | ||||
-rw-r--r-- | include/my_atomic.h | 209 | ||||
-rw-r--r-- | include/my_base.h | 78 | ||||
-rw-r--r-- | include/my_bit.h | 107 | ||||
-rw-r--r-- | include/my_dbug.h | 2 | ||||
-rw-r--r-- | include/my_global.h | 17 | ||||
-rw-r--r-- | include/my_handler.h | 62 | ||||
-rw-r--r-- | include/my_pthread.h | 19 | ||||
-rw-r--r-- | include/my_sys.h | 53 | ||||
-rw-r--r-- | include/myisam.h | 274 | ||||
-rw-r--r-- | include/myisamchk.h | 166 | ||||
-rw-r--r-- | include/mysql_com.h | 12 | ||||
-rw-r--r-- | include/wqueue.h | 26 |
22 files changed, 1510 insertions, 345 deletions
diff --git a/include/Makefile.am b/include/Makefile.am index 8335da36e93..540fb9a54dd 100644 --- a/include/Makefile.am +++ b/include/Makefile.am @@ -26,8 +26,8 @@ pkginclude_HEADERS = $(HEADERS_ABI) my_dbug.h m_string.h my_sys.h \ my_getopt.h sslopt-longopts.h my_dir.h \ sslopt-vars.h sslopt-case.h sql_common.h keycache.h \ m_ctype.h my_attribute.h $(HEADERS_GEN) -noinst_HEADERS = config-win.h config-netware.h \ - heap.h my_bitmap.h my_uctype.h \ +noinst_HEADERS = config-win.h config-netware.h lf.h my_bit.h \ + heap.h maria.h myisamchk.h my_bitmap.h my_uctype.h \ myisam.h myisampack.h myisammrg.h ft_global.h\ mysys_err.h my_base.h help_start.h help_end.h \ my_nosys.h my_alarm.h queues.h rijndael.h sha1.h \ @@ -36,7 +36,7 @@ noinst_HEADERS = config-win.h config-netware.h \ mysql_version.h.in my_handler.h my_time.h \ my_vle.h my_user.h my_atomic.h atomic/nolock.h \ atomic/rwlock.h atomic/x86-gcc.h atomic/x86-msvc.h \ - my_libwrap.h + my_libwrap.h wqueue.h # Remove built files and the symlinked directories CLEANFILES = $(BUILT_SOURCES) readline openssl diff --git a/include/atomic/nolock.h b/include/atomic/nolock.h index f15c8b13b7f..9b5cbecbd0a 100644 --- a/include/atomic/nolock.h +++ b/include/atomic/nolock.h @@ -13,24 +13,25 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#if defined(__i386__) || defined(_M_IX86) - -#ifdef MY_ATOMIC_MODE_DUMMY -# define LOCK "" -#else -# define LOCK "lock" -#endif - -#ifdef __GNUC__ -#include "x86-gcc.h" -#elif defined(_MSC_VER) -#include "x86-msvc.h" -#endif +#if defined(__i386__) || defined(_M_IX86) || defined(__x86_64__) + +# ifdef MY_ATOMIC_MODE_DUMMY +# define LOCK_prefix "" +# else +# define LOCK_prefix "lock" +# endif + +# ifdef __GNUC__ +# include "x86-gcc.h" +# elif defined(_MSC_VER) +# error Broken! +# include "x86-msvc.h" +# endif #endif #ifdef make_atomic_cas_body -typedef struct { } my_atomic_rwlock_t; +typedef struct { } my_atomic_rwlock_t __attribute__ ((unused)); #define my_atomic_rwlock_destroy(name) #define my_atomic_rwlock_init(name) #define my_atomic_rwlock_rdlock(name) diff --git a/include/atomic/rwlock.h b/include/atomic/rwlock.h index 18b77e93d80..cb41952b70c 100644 --- a/include/atomic/rwlock.h +++ b/include/atomic/rwlock.h @@ -13,7 +13,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -typedef struct {pthread_rwlock_t rw;} my_atomic_rwlock_t; +typedef struct {pthread_mutex_t rw;} my_atomic_rwlock_t; #ifdef MY_ATOMIC_MODE_DUMMY /* @@ -31,17 +31,22 @@ typedef struct {pthread_rwlock_t rw;} my_atomic_rwlock_t; #define my_atomic_rwlock_wrunlock(name) #define MY_ATOMIC_MODE "dummy (non-atomic)" #else -#define my_atomic_rwlock_destroy(name) pthread_rwlock_destroy(& (name)->rw) -#define my_atomic_rwlock_init(name) pthread_rwlock_init(& (name)->rw, 0) -#define my_atomic_rwlock_rdlock(name) pthread_rwlock_rdlock(& (name)->rw) -#define my_atomic_rwlock_wrlock(name) pthread_rwlock_wrlock(& (name)->rw) -#define my_atomic_rwlock_rdunlock(name) pthread_rwlock_unlock(& (name)->rw) -#define my_atomic_rwlock_wrunlock(name) pthread_rwlock_unlock(& (name)->rw) -#define MY_ATOMIC_MODE "rwlocks" +/* + we're using read-write lock macros but map them to mutex locks, and they're + faster. Still, having semantically rich API we can change the + underlying implementation, if necessary. +*/ +#define my_atomic_rwlock_destroy(name) pthread_mutex_destroy(& (name)->rw) +#define my_atomic_rwlock_init(name) pthread_mutex_init(& (name)->rw, 0) +#define my_atomic_rwlock_rdlock(name) pthread_mutex_lock(& (name)->rw) +#define my_atomic_rwlock_wrlock(name) pthread_mutex_lock(& (name)->rw) +#define my_atomic_rwlock_rdunlock(name) pthread_mutex_unlock(& (name)->rw) +#define my_atomic_rwlock_wrunlock(name) pthread_mutex_unlock(& (name)->rw) +#define MY_ATOMIC_MODE "mutex" #endif #define make_atomic_add_body(S) int ## S sav; sav= *a; *a+= v; v=sav; -#define make_atomic_swap_body(S) int ## S sav; sav= *a; *a= v; v=sav; +#define make_atomic_fas_body(S) int ## S sav; sav= *a; *a= v; v=sav; #define make_atomic_cas_body(S) if ((ret= (*a == *cmp))) *a= set; else *cmp=*a; #define make_atomic_load_body(S) ret= *a; #define make_atomic_store_body(S) *a= v; diff --git a/include/atomic/x86-gcc.h b/include/atomic/x86-gcc.h index d79dadbf05e..5a34bc22f9e 100644 --- a/include/atomic/x86-gcc.h +++ b/include/atomic/x86-gcc.h @@ -19,10 +19,18 @@ architectures support double-word (128-bit) cas. */ -#ifdef MY_ATOMIC_NO_XADD -#define MY_ATOMIC_MODE "gcc-x86" LOCK "-no-xadd" +#ifdef __x86_64__ +# ifdef MY_ATOMIC_NO_XADD +# define MY_ATOMIC_MODE "gcc-amd64" LOCK_prefix "-no-xadd" +# else +# define MY_ATOMIC_MODE "gcc-amd64" LOCK_prefix +# endif #else -#define MY_ATOMIC_MODE "gcc-x86" LOCK +# ifdef MY_ATOMIC_NO_XADD +# define MY_ATOMIC_MODE "gcc-x86" LOCK_prefix "-no-xadd" +# else +# define MY_ATOMIC_MODE "gcc-x86" LOCK_prefix +# endif #endif /* fix -ansi errors while maintaining readability */ @@ -32,12 +40,12 @@ #ifndef MY_ATOMIC_NO_XADD #define make_atomic_add_body(S) \ - asm volatile (LOCK "; xadd %0, %1;" : "+r" (v) , "+m" (*a)) + asm volatile (LOCK_prefix "; xadd %0, %1;" : "+r" (v) , "+m" (*a)) #endif -#define make_atomic_swap_body(S) \ - asm volatile ("; xchg %0, %1;" : "+r" (v) , "+m" (*a)) +#define make_atomic_fas_body(S) \ + asm volatile ("xchg %0, %1;" : "+r" (v) , "+m" (*a)) #define make_atomic_cas_body(S) \ - asm volatile (LOCK "; cmpxchg %3, %0; setz %2;" \ + asm volatile (LOCK_prefix "; cmpxchg %3, %0; setz %2;" \ : "+m" (*a), "+a" (*cmp), "=q" (ret): "r" (set)) #ifdef MY_ATOMIC_MODE_DUMMY @@ -46,13 +54,16 @@ #else /* Actually 32-bit reads/writes are always atomic on x86 - But we add LOCK here anyway to force memory barriers + But we add LOCK_prefix here anyway to force memory barriers */ #define make_atomic_load_body(S) \ ret=0; \ - asm volatile (LOCK "; cmpxchg %2, %0" \ + asm volatile (LOCK_prefix "; cmpxchg %2, %0" \ : "+m" (*a), "+a" (ret): "r" (ret)) #define make_atomic_store_body(S) \ - asm volatile ("; xchg %0, %1;" : "+m" (*a) : "r" (v)) + asm volatile ("; xchg %0, %1;" : "+m" (*a), "+r" (v)) #endif +/* TODO test on intel whether the below helps. on AMD it makes no difference */ +//#define LF_BACKOFF ({asm volatile ("rep; nop"); 1; }) + diff --git a/include/atomic/x86-msvc.h b/include/atomic/x86-msvc.h index c4885bb8451..2a2cfe70de9 100644 --- a/include/atomic/x86-msvc.h +++ b/include/atomic/x86-msvc.h @@ -25,24 +25,24 @@ #ifndef _atomic_h_cleanup_ #define _atomic_h_cleanup_ "atomic/x86-msvc.h" -#define MY_ATOMIC_MODE "msvc-x86" LOCK +#define MY_ATOMIC_MODE "msvc-x86" LOCK_prefix #define make_atomic_add_body(S) \ _asm { \ _asm mov reg_ ## S, v \ - _asm LOCK xadd *a, reg_ ## S \ + _asm LOCK_prefix xadd *a, reg_ ## S \ _asm movzx v, reg_ ## S \ } #define make_atomic_cas_body(S) \ _asm { \ _asm mov areg_ ## S, *cmp \ _asm mov reg2_ ## S, set \ - _asm LOCK cmpxchg *a, reg2_ ## S \ + _asm LOCK_prefix cmpxchg *a, reg2_ ## S \ _asm mov *cmp, areg_ ## S \ _asm setz al \ _asm movzx ret, al \ } -#define make_atomic_swap_body(S) \ +#define make_atomic_fas_body(S) \ _asm { \ _asm mov reg_ ## S, v \ _asm xchg *a, reg_ ## S \ @@ -55,13 +55,13 @@ #else /* Actually 32-bit reads/writes are always atomic on x86 - But we add LOCK here anyway to force memory barriers + But we add LOCK_prefix here anyway to force memory barriers */ #define make_atomic_load_body(S) \ _asm { \ _asm mov areg_ ## S, 0 \ _asm mov reg2_ ## S, areg_ ## S \ - _asm LOCK cmpxchg *a, reg2_ ## S \ + _asm LOCK_prefix cmpxchg *a, reg2_ ## S \ _asm mov ret, areg_ ## S \ } #define make_atomic_store_body(S) \ diff --git a/include/ft_global.h b/include/ft_global.h index 752371d6bc6..dba8a6e75e5 100644 --- a/include/ft_global.h +++ b/include/ft_global.h @@ -65,6 +65,17 @@ void ft_free_stopwords(void); FT_INFO *ft_init_search(uint,void *, uint, uchar *, uint,CHARSET_INFO *, uchar *); my_bool ft_boolean_check_syntax_string(const uchar *); +/* Internal symbols for fulltext between maria and MyISAM */ + +#define HA_FT_WTYPE HA_KEYTYPE_FLOAT +#define HA_FT_WLEN 4 +#define FT_SEGS 2 + +#define ft_sintXkorr(A) mi_sint4korr(A) +#define ft_intXstore(T,A) mi_int4store(T,A) + +extern const HA_KEYSEG ft_keysegs[FT_SEGS]; + #ifdef __cplusplus } #endif diff --git a/include/keycache.h b/include/keycache.h index a6005bae878..8c4ee4afe81 100644 --- a/include/keycache.h +++ b/include/keycache.h @@ -132,7 +132,8 @@ extern void end_key_cache(KEY_CACHE *keycache, my_bool cleanup); /* Functions to handle multiple key caches */ extern my_bool multi_keycache_init(void); extern void multi_keycache_free(void); -extern KEY_CACHE *multi_key_cache_search(uchar *key, uint length); +extern KEY_CACHE *multi_key_cache_search(uchar *key, uint length, + KEY_CACHE *def); extern my_bool multi_key_cache_set(const uchar *key, uint length, KEY_CACHE *key_cache); extern void multi_key_cache_change(KEY_CACHE *old_data, diff --git a/include/lf.h b/include/lf.h new file mode 100644 index 00000000000..d4c5c64a01b --- /dev/null +++ b/include/lf.h @@ -0,0 +1,260 @@ +/* Copyright (C) 2007 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#ifndef _lf_h +#define _lf_h + +#include <my_atomic.h> + +/* + Helpers to define both func() and _func(), where + func() is a _func() protected by my_atomic_rwlock_wrlock() +*/ + +#define lock_wrap(f, t, proto_args, args, lock) \ +t _ ## f proto_args; \ +static inline t f proto_args \ +{ \ + t ret; \ + my_atomic_rwlock_wrlock(lock); \ + ret= _ ## f args; \ + my_atomic_rwlock_wrunlock(lock); \ + return ret; \ +} + +#define lock_wrap_void(f, proto_args, args, lock) \ +void _ ## f proto_args; \ +static inline void f proto_args \ +{ \ + my_atomic_rwlock_wrlock(lock); \ + _ ## f args; \ + my_atomic_rwlock_wrunlock(lock); \ +} + +#define nolock_wrap(f, t, proto_args, args) \ +t _ ## f proto_args; \ +static inline t f proto_args \ +{ \ + return _ ## f args; \ +} + +#define nolock_wrap_void(f, proto_args, args) \ +void _ ## f proto_args; \ +static inline void f proto_args \ +{ \ + _ ## f args; \ +} + +/* + wait-free dynamic array, see lf_dynarray.c + + 4 levels of 256 elements each mean 4311810304 elements in an array - it + should be enough for a while +*/ +#define LF_DYNARRAY_LEVEL_LENGTH 256 +#define LF_DYNARRAY_LEVELS 4 + +typedef struct { + void * volatile level[LF_DYNARRAY_LEVELS]; + uint size_of_element; + my_atomic_rwlock_t lock; +} LF_DYNARRAY; + +typedef int (*lf_dynarray_func)(void *, void *); + +void lf_dynarray_init(LF_DYNARRAY *array, uint element_size); +void lf_dynarray_destroy(LF_DYNARRAY *array); + +nolock_wrap(lf_dynarray_value, void *, + (LF_DYNARRAY *array, uint idx), + (array, idx)) +lock_wrap(lf_dynarray_lvalue, void *, + (LF_DYNARRAY *array, uint idx), + (array, idx), + &array->lock) +nolock_wrap(lf_dynarray_iterate, int, + (LF_DYNARRAY *array, lf_dynarray_func func, void *arg), + (array, func, arg)) + +/* + pin manager for memory allocator, lf_alloc-pin.c +*/ + +#define LF_PINBOX_PINS 4 +#define LF_PURGATORY_SIZE 10 + +typedef void lf_pinbox_free_func(void *, void *, void*); + +typedef struct { + LF_DYNARRAY pinarray; + lf_pinbox_free_func *free_func; + void *free_func_arg; + uint free_ptr_offset; + uint32 volatile pinstack_top_ver; /* this is a versioned pointer */ + uint32 volatile pins_in_array; /* number of elements in array */ +} LF_PINBOX; + +typedef struct { + void * volatile pin[LF_PINBOX_PINS]; + LF_PINBOX *pinbox; + void *stack_ends_here; + void *purgatory; + uint32 purgatory_count; + uint32 volatile link; +/* we want sizeof(LF_PINS) to be 128 to avoid false sharing */ + char pad[128-sizeof(uint32)*2 + -sizeof(LF_PINBOX *) + -sizeof(void*) + -sizeof(void *)*(LF_PINBOX_PINS+1)]; +} LF_PINS; + +/* + shortcut macros to do an atomic_wrlock on a structure that uses pins + (e.g. lf_hash). +*/ +#define lf_rwlock_by_pins(PINS) \ + my_atomic_rwlock_wrlock(&(PINS)->pinbox->pinarray.lock) +#define lf_rwunlock_by_pins(PINS) \ + my_atomic_rwlock_wrunlock(&(PINS)->pinbox->pinarray.lock) + +/* + compile-time assert, to require "no less than N" pins + it's enough if it'll fail on at least one compiler, so + we'll enable it on GCC only, which supports zero-length arrays. +*/ +#if defined(__GNUC__) && defined(MY_LF_EXTRA_DEBUG) +#define LF_REQUIRE_PINS(N) \ + static const char require_pins[LF_PINBOX_PINS-N] \ + __attribute__ ((unused)); \ + static const int LF_NUM_PINS_IN_THIS_FILE= N; +#define _lf_pin(PINS, PIN, ADDR) \ + ( \ + assert(PIN < LF_NUM_PINS_IN_THIS_FILE), \ + my_atomic_storeptr(&(PINS)->pin[PIN], (ADDR)) \ + ) +#else +#define LF_REQUIRE_PINS(N) +#define _lf_pin(PINS, PIN, ADDR) my_atomic_storeptr(&(PINS)->pin[PIN], (ADDR)) +#endif + +#define _lf_unpin(PINS, PIN) _lf_pin(PINS, PIN, NULL) +#define lf_pin(PINS, PIN, ADDR) \ + do { \ + lf_rwlock_by_pins(PINS); \ + _lf_pin(PINS, PIN, ADDR); \ + lf_rwunlock_by_pins(PINS); \ + } while (0) +#define lf_unpin(PINS, PIN) lf_pin(PINS, PIN, NULL) +#define _lf_assert_pin(PINS, PIN) assert((PINS)->pin[PIN] != 0) +#define _lf_assert_unpin(PINS, PIN) assert((PINS)->pin[PIN] == 0) + +void lf_pinbox_init(LF_PINBOX *pinbox, uint free_ptr_offset, + lf_pinbox_free_func *free_func, void * free_func_arg); +void lf_pinbox_destroy(LF_PINBOX *pinbox); + +lock_wrap(lf_pinbox_get_pins, LF_PINS *, + (LF_PINBOX *pinbox, void *stack_end), + (pinbox, stack_end), + &pinbox->pinarray.lock) +lock_wrap_void(lf_pinbox_put_pins, + (LF_PINS *pins), + (pins), + &pins->pinbox->pinarray.lock) +lock_wrap_void(lf_pinbox_free, + (LF_PINS *pins, void *addr), + (pins, addr), + &pins->pinbox->pinarray.lock) + +/* + memory allocator, lf_alloc-pin.c +*/ + +struct st_lf_alloc_node { + struct st_lf_alloc_node *next; +}; + +typedef struct st_lf_allocator { + LF_PINBOX pinbox; + struct st_lf_alloc_node * volatile top; + uint element_size; + uint32 volatile mallocs; +} LF_ALLOCATOR; + +void lf_alloc_init(LF_ALLOCATOR *allocator, uint size, uint free_ptr_offset); +void lf_alloc_destroy(LF_ALLOCATOR *allocator); +uint lf_alloc_pool_count(LF_ALLOCATOR *allocator); +/* + shortcut macros to access underlying pinbox functions from an LF_ALLOCATOR + see _lf_pinbox_get_pins() and _lf_pinbox_put_pins() +*/ +#define _lf_alloc_free(PINS, PTR) _lf_pinbox_free((PINS), (PTR)) +#define lf_alloc_free(PINS, PTR) lf_pinbox_free((PINS), (PTR)) +#define _lf_alloc_get_pins(A, ST) _lf_pinbox_get_pins(&(A)->pinbox, (ST)) +#define lf_alloc_get_pins(A, ST) lf_pinbox_get_pins(&(A)->pinbox, (ST)) +#define _lf_alloc_put_pins(PINS) _lf_pinbox_put_pins(PINS) +#define lf_alloc_put_pins(PINS) lf_pinbox_put_pins(PINS) +#define lf_alloc_direct_free(ALLOC, ADDR) my_free((uchar*)(ADDR), MYF(0)) + +lock_wrap(lf_alloc_new, void *, + (LF_PINS *pins), + (pins), + &pins->pinbox->pinarray.lock) + +/* + extendible hash, lf_hash.c +*/ +#include <hash.h> + +#define LF_HASH_UNIQUE 1 + +typedef struct { + LF_DYNARRAY array; /* hash itself */ + LF_ALLOCATOR alloc; /* allocator for elements */ + hash_get_key get_key; /* see HASH */ + CHARSET_INFO *charset; /* see HASH */ + uint key_offset, key_length; /* see HASH */ + uint element_size, flags; /* LF_HASH_UNIQUE, etc */ + int32 volatile size; /* size of array */ + int32 volatile count; /* number of elements in the hash */ +} LF_HASH; + +void lf_hash_init(LF_HASH *hash, uint element_size, uint flags, + uint key_offset, uint key_length, hash_get_key get_key, + CHARSET_INFO *charset); +void lf_hash_destroy(LF_HASH *hash); +int lf_hash_insert(LF_HASH *hash, LF_PINS *pins, const void *data); +void *lf_hash_search(LF_HASH *hash, LF_PINS *pins, const void *key, uint keylen); +int lf_hash_delete(LF_HASH *hash, LF_PINS *pins, const void *key, uint keylen); +/* + shortcut macros to access underlying pinbox functions from an LF_HASH + see _lf_pinbox_get_pins() and _lf_pinbox_put_pins() +*/ +#define _lf_hash_get_pins(HASH, ST) _lf_alloc_get_pins(&(HASH)->alloc, (ST)) +#define lf_hash_get_pins(HASH, ST) lf_alloc_get_pins(&(HASH)->alloc, (ST)) +#define _lf_hash_put_pins(PINS) _lf_pinbox_put_pins(PINS) +#define lf_hash_put_pins(PINS) lf_pinbox_put_pins(PINS) +#define lf_hash_search_unpin(PINS) lf_unpin((PINS), 2) +/* + cleanup +*/ + +#undef lock_wrap_void +#undef lock_wrap +#undef nolock_wrap_void +#undef nolock_wrap + +#endif + diff --git a/include/m_string.h b/include/m_string.h index 9d2a30917bd..c24bfd7aa6c 100644 --- a/include/m_string.h +++ b/include/m_string.h @@ -67,7 +67,7 @@ # define bcopy(s, d, n) memcpy((d), (s), (n)) # define bcmp(A,B,C) memcmp((A),(B),(C)) # define bzero(A,B) memset((A),0,(B)) -# define bmove_align(A,B,C) memcpy((A),(B),(C)) +# define bmove_align(A,B,C) memcpy((A),(B),(C)) #endif #if defined(__cplusplus) @@ -129,7 +129,10 @@ extern size_t bcmp(const uchar *s1,const uchar *s2,size_t len); extern size_t my_bcmp(const uchar *s1,const uchar *s2,size_t len); #undef bcmp #define bcmp(A,B,C) my_bcmp((A),(B),(C)) -#endif +#define bzero_if_purify(A,B) bzero(A,B) +#else +#define bzero_if_purify(A,B) +#endif /* HAVE_purify */ #ifndef bmove512 extern void bmove512(uchar *dst,const uchar *src,size_t len); diff --git a/include/maria.h b/include/maria.h new file mode 100644 index 00000000000..6e9ae4d8391 --- /dev/null +++ b/include/maria.h @@ -0,0 +1,448 @@ +/* Copyright (C) 2006 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +/* This file should be included when using maria functions */ + +#ifndef _maria_h +#define _maria_h +#ifdef __cplusplus +extern "C" { +#endif +#ifndef _my_base_h +#include <my_base.h> +#endif +#ifndef _m_ctype_h +#include <m_ctype.h> +#endif +#include "../storage/maria/ma_pagecache.h" +#include "my_handler.h" +#include "ft_global.h" +#include <myisamchk.h> +#include <mysql/plugin.h> + +/* + Limit max keys according to HA_MAX_POSSIBLE_KEY; See myisamchk.h for details +*/ + +#if MAX_INDEXES > HA_MAX_POSSIBLE_KEY +#define MARIA_MAX_KEY HA_MAX_POSSIBLE_KEY /* Max allowed keys */ +#else +#define MARIA_MAX_KEY MAX_INDEXES /* Max allowed keys */ +#endif + +#define MARIA_MAX_MSG_BUF 1024 /* used in CHECK TABLE, REPAIR TABLE */ +#define MARIA_NAME_IEXT ".MAI" +#define MARIA_NAME_DEXT ".MAD" +/* Max extra space to use when sorting keys */ +#define MARIA_MAX_TEMP_LENGTH 2*1024L*1024L*1024L +/* Possible values for maria_block_size (must be power of 2) */ +#define MARIA_KEY_BLOCK_LENGTH 8192 /* default key block length */ +#define MARIA_MIN_KEY_BLOCK_LENGTH 1024 /* Min key block length */ +#define MARIA_MAX_KEY_BLOCK_LENGTH 32768 +/* Minimal page cache when we only want to be able to scan a table */ +#define MARIA_MIN_PAGE_CACHE_SIZE (8192L*16L) + +/* + In the following macros '_keyno_' is 0 .. keys-1. + If there can be more keys than bits in the key_map, the highest bit + is for all upper keys. They cannot be switched individually. + This means that clearing of high keys is ignored, setting one high key + sets all high keys. +*/ +#define MARIA_KEYMAP_BITS (8 * SIZEOF_LONG_LONG) +#define MARIA_KEYMAP_HIGH_MASK (ULL(1) << (MARIA_KEYMAP_BITS - 1)) +#define maria_get_mask_all_keys_active(_keys_) \ + (((_keys_) < MARIA_KEYMAP_BITS) ? \ + ((ULL(1) << (_keys_)) - ULL(1)) : \ + (~ ULL(0))) +#if MARIA_MAX_KEY > MARIA_KEYMAP_BITS +#define maria_is_key_active(_keymap_,_keyno_) \ + (((_keyno_) < MARIA_KEYMAP_BITS) ? \ + test((_keymap_) & (ULL(1) << (_keyno_))) : \ + test((_keymap_) & MARIA_KEYMAP_HIGH_MASK)) +#define maria_set_key_active(_keymap_,_keyno_) \ + (_keymap_)|= (((_keyno_) < MARIA_KEYMAP_BITS) ? \ + (ULL(1) << (_keyno_)) : \ + MARIA_KEYMAP_HIGH_MASK) +#define maria_clear_key_active(_keymap_,_keyno_) \ + (_keymap_)&= (((_keyno_) < MARIA_KEYMAP_BITS) ? \ + (~ (ULL(1) << (_keyno_))) : \ + (~ (ULL(0))) /*ignore*/ ) +#else +#define maria_is_key_active(_keymap_,_keyno_) \ + test((_keymap_) & (ULL(1) << (_keyno_))) +#define maria_set_key_active(_keymap_,_keyno_) \ + (_keymap_)|= (ULL(1) << (_keyno_)) +#define maria_clear_key_active(_keymap_,_keyno_) \ + (_keymap_)&= (~ (ULL(1) << (_keyno_))) +#endif +#define maria_is_any_key_active(_keymap_) \ + test((_keymap_)) +#define maria_is_all_keys_active(_keymap_,_keys_) \ + ((_keymap_) == maria_get_mask_all_keys_active(_keys_)) +#define maria_set_all_keys_active(_keymap_,_keys_) \ + (_keymap_)= maria_get_mask_all_keys_active(_keys_) +#define maria_clear_all_keys_active(_keymap_) \ + (_keymap_)= 0 +#define maria_intersect_keys_active(_to_,_from_) \ + (_to_)&= (_from_) +#define maria_is_any_intersect_keys_active(_keymap1_,_keys_,_keymap2_) \ + ((_keymap1_) & (_keymap2_) & \ + maria_get_mask_all_keys_active(_keys_)) +#define maria_copy_keys_active(_to_,_maxkeys_,_from_) \ + (_to_)= (maria_get_mask_all_keys_active(_maxkeys_) & \ + (_from_)) + + /* Param to/from maria_info */ + +typedef ulonglong MARIA_RECORD_POS; + +typedef struct st_maria_info +{ + ha_rows records; /* Records in database */ + ha_rows deleted; /* Deleted records in database */ + MARIA_RECORD_POS recpos; /* Pos for last used record */ + MARIA_RECORD_POS newrecpos; /* Pos if we write new record */ + MARIA_RECORD_POS dup_key_pos; /* Position to record with dup key */ + my_off_t data_file_length; /* Length of data file */ + my_off_t max_data_file_length, index_file_length; + my_off_t max_index_file_length, delete_length; + ulonglong auto_increment; + ulonglong key_map; /* Which keys are used */ + time_t create_time; /* When table was created */ + time_t check_time; + time_t update_time; + ulong record_offset; + double *rec_per_key; /* for sql optimizing */ + ulong reclength; /* Recordlength */ + ulong mean_reclength; /* Mean recordlength (if packed) */ + char *data_file_name, *index_file_name; + enum data_file_type data_file_type; + uint keys; /* Number of keys in use */ + uint options; /* HA_OPTION_... used */ + uint reflength; + int errkey, /* With key was dupplicated on err */ + sortkey; /* clustered by this key */ + File filenr; /* (uniq) filenr for datafile */ +} MARIA_INFO; + + +typedef struct st_maria_create_info +{ + const char *index_file_name, *data_file_name; /* If using symlinks */ + ha_rows max_rows; + ha_rows reloc_rows; + ulonglong auto_increment; + ulonglong data_file_length; + ulonglong key_file_length; + /* Size of null bitmap at start of row */ + uint null_bytes; + uint old_options; + enum data_file_type org_data_file_type; + uint8 language; + my_bool with_auto_increment, transactional; +} MARIA_CREATE_INFO; + +struct st_maria_share; +struct st_maria_handler; /* For referense */ +typedef struct st_maria_handler MARIA_HA; +struct st_maria_s_param; + +typedef struct st_maria_keydef /* Key definition with open & info */ +{ + struct st_maria_share *share; /* Pointer to base (set in open) */ + uint16 keysegs; /* Number of key-segment */ + uint16 flag; /* NOSAME, PACK_USED */ + + uint8 key_alg; /* BTREE, RTREE */ + uint8 key_nr; /* key number (auto) */ + uint16 block_length; /* Length of keyblock (auto) */ + uint16 underflow_block_length; /* When to execute underflow */ + uint16 keylength; /* Tot length of keyparts (auto) */ + uint16 minlength; /* min length of (packed) key (auto) */ + uint16 maxlength; /* max length of (packed) key (auto) */ + uint32 write_comp_flag; /* compare flag for write key (auto) */ + uint32 version; /* For concurrent read/write */ + uint32 ftparser_nr; /* distinct ftparser number */ + + HA_KEYSEG *seg, *end; + struct st_mysql_ftparser *parser; /* Fulltext [pre]parser */ + int (*bin_search)(MARIA_HA *info, + struct st_maria_keydef *keyinfo, uchar *page, + const uchar *key, uint key_len, uint comp_flag, + uchar **ret_pos, + uchar *buff, my_bool *was_last_key); + uint(*get_key)(struct st_maria_keydef *keyinfo, uint nod_flag, + uchar **page, uchar *key); + int (*pack_key)(struct st_maria_keydef *keyinfo, uint nod_flag, + uchar *next_key, uchar *org_key, uchar *prev_key, + const uchar *key, struct st_maria_s_param *s_temp); + void (*store_key)(struct st_maria_keydef *keyinfo, uchar *key_pos, + struct st_maria_s_param *s_temp); + int (*ck_insert)(MARIA_HA *inf, uint k_nr, uchar *k, uint klen); + int (*ck_delete)(MARIA_HA *inf, uint k_nr, uchar *k, uint klen); +} MARIA_KEYDEF; + + +#define MARIA_UNIQUE_HASH_LENGTH 4 + +typedef struct st_maria_unique_def /* Segment definition of unique */ +{ + uint16 keysegs; /* Number of key-segment */ + uint8 key; /* Mapped to which key */ + uint8 null_are_equal; + HA_KEYSEG *seg, *end; +} MARIA_UNIQUEDEF; + +typedef struct st_maria_decode_tree /* Decode huff-table */ +{ + uint16 *table; + uint quick_table_bits; + uchar *intervalls; +} MARIA_DECODE_TREE; + + +struct st_maria_bit_buff; + +/* + Note that null markers should always be first in a row ! + When creating a column, one should only specify: + type, length, null_bit and null_pos +*/ + +typedef struct st_maria_columndef /* column information */ +{ + enum en_fieldtype type; + uint32 offset; /* Offset to position in row */ + uint16 length; /* length of field */ + uint16 column_nr; + /* Intern variable (size of total storage area for the row) */ + uint16 fill_length; + uint16 null_pos; /* Position for null marker */ + uint16 empty_pos; /* Position for empty marker */ + uint8 null_bit; /* If column may be NULL */ + /* Intern. Set if column should be zero packed (part of empty_bits) */ + uint8 empty_bit; + +#ifndef NOT_PACKED_DATABASES + void(*unpack)(struct st_maria_columndef *rec, + struct st_maria_bit_buff *buff, + uchar *start, uchar *end); + enum en_fieldtype base_type; + uint space_length_bits, pack_type; + MARIA_DECODE_TREE *huff_tree; +#endif +} MARIA_COLUMNDEF; + + +extern ulong maria_block_size, maria_checkpoint_frequency; +extern ulong maria_concurrent_insert; +extern my_bool maria_flush, maria_single_user, maria_page_checksums; +extern my_bool maria_delay_key_write; +extern my_off_t maria_max_temp_length; +extern ulong maria_bulk_insert_tree_size, maria_data_pointer_size; +extern PAGECACHE maria_pagecache_var, *maria_pagecache; +extern MY_TMPDIR *maria_tmpdir; + + /* Prototypes for maria-functions */ + +extern int maria_init(void); +extern void maria_end(void); +extern int maria_close(MARIA_HA *file); +extern int maria_delete(MARIA_HA *file, const uchar *buff); +extern MARIA_HA *maria_open(const char *name, int mode, + uint wait_if_locked); +extern MARIA_HA *maria_clone(struct st_maria_share *share, int mode); +extern int maria_panic(enum ha_panic_function function); +extern int maria_rfirst(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rkey(MARIA_HA *file, uchar *buf, int inx, + const uchar *key, key_part_map keypart_map, + enum ha_rkey_function search_flag); +extern int maria_rlast(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rnext(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rnext_same(MARIA_HA *info, uchar *buf); +extern int maria_rprev(MARIA_HA *file, uchar *buf, int inx); +extern int maria_rrnd(MARIA_HA *file, uchar *buf, + MARIA_RECORD_POS pos); +extern int maria_scan_init(MARIA_HA *file); +extern int maria_scan(MARIA_HA *file, uchar *buf); +extern void maria_scan_end(MARIA_HA *file); +extern int maria_rsame(MARIA_HA *file, uchar *record, int inx); +extern int maria_rsame_with_pos(MARIA_HA *file, uchar *record, + int inx, MARIA_RECORD_POS pos); +extern int maria_update(MARIA_HA *file, const uchar *old, + uchar *new_record); +extern int maria_write(MARIA_HA *file, uchar *buff); +extern MARIA_RECORD_POS maria_position(MARIA_HA *file); +extern int maria_status(MARIA_HA *info, MARIA_INFO *x, uint flag); +extern int maria_lock_database(MARIA_HA *file, int lock_type); +extern int maria_create(const char *name, enum data_file_type record_type, + uint keys, MARIA_KEYDEF *keydef, + uint columns, MARIA_COLUMNDEF *columndef, + uint uniques, MARIA_UNIQUEDEF *uniquedef, + MARIA_CREATE_INFO *create_info, uint flags); +extern int maria_delete_table(const char *name); +extern int maria_rename(const char *from, const char *to); +extern int maria_extra(MARIA_HA *file, + enum ha_extra_function function, void *extra_arg); +extern int maria_reset(MARIA_HA *file); +extern ha_rows maria_records_in_range(MARIA_HA *info, int inx, + key_range *min_key, key_range *max_key); +extern int maria_is_changed(MARIA_HA *info); +extern int maria_delete_all_rows(MARIA_HA *info); +extern uint maria_get_pointer_length(ulonglong file_length, uint def); +extern int maria_commit(MARIA_HA *info); +extern int maria_begin(MARIA_HA *info); +extern void maria_disable_logging(MARIA_HA *info); +extern void maria_enable_logging(MARIA_HA *info); + +/* this is used to pass to mysql_mariachk_table */ + +#define MARIA_CHK_REPAIR 1 /* equivalent to mariachk -r */ +#define MARIA_CHK_VERIFY 2 /* Verify, run repair if failure */ + +typedef uint maria_bit_type; + +typedef struct st_maria_bit_buff +{ /* Used for packing of record */ + maria_bit_type current_byte; + uint bits; + uchar *pos, *end, *blob_pos, *blob_end; + uint error; +} MARIA_BIT_BUFF; + + +typedef struct st_maria_sort_info +{ +#ifdef THREAD + /* sync things */ + pthread_mutex_t mutex; + pthread_cond_t cond; +#endif + MARIA_HA *info, *new_info; + HA_CHECK *param; + char *buff; + SORT_KEY_BLOCKS *key_block, *key_block_end; + SORT_FT_BUF *ft_buf; + my_off_t filelength, dupp, buff_length; + ulonglong page; + ha_rows max_records; + uint current_key, total_keys; + uint got_error, threads_running; + myf myf_rw; + enum data_file_type new_data_file_type, org_data_file_type; +} MARIA_SORT_INFO; + +typedef struct st_maria_sort_param +{ + pthread_t thr; + IO_CACHE read_cache, tempfile, tempfile_for_exceptions; + DYNAMIC_ARRAY buffpek; + MARIA_BIT_BUFF bit_buff; /* For parallel repair of packrec. */ + + MARIA_KEYDEF *keyinfo; + MARIA_SORT_INFO *sort_info; + HA_KEYSEG *seg; + uchar **sort_keys; + uchar *rec_buff; + void *wordlist, *wordptr; + MEM_ROOT wordroot; + char *record; + MY_TMPDIR *tmpdir; + + /* + The next two are used to collect statistics, see maria_update_key_parts for + description. + */ + ulonglong unique[HA_MAX_KEY_SEG+1]; + ulonglong notnull[HA_MAX_KEY_SEG+1]; + + MARIA_RECORD_POS pos,max_pos,filepos,start_recpos, current_filepos; + uint key, key_length,real_key_length,sortbuff_size; + uint maxbuffers, keys, find_length, sort_keys_length; + my_bool fix_datafile, master; + my_bool calc_checksum; /* calculate table checksum */ + size_t rec_buff_size; + + int (*key_cmp)(struct st_maria_sort_param *, const void *, const void *); + int (*key_read)(struct st_maria_sort_param *, uchar *); + int (*key_write)(struct st_maria_sort_param *, const uchar *); + void (*lock_in_memory)(HA_CHECK *); + int (*write_keys)(struct st_maria_sort_param *, register uchar **, + uint , struct st_buffpek *, IO_CACHE *); + uint (*read_to_buffer)(IO_CACHE *,struct st_buffpek *, uint); + int (*write_key)(struct st_maria_sort_param *, IO_CACHE *,uchar *, + uint, uint); +} MARIA_SORT_PARAM; + + +/* functions in maria_check */ +void maria_chk_init(HA_CHECK *param); +int maria_chk_status(HA_CHECK *param, MARIA_HA *info); +int maria_chk_del(HA_CHECK *param, MARIA_HA *info, uint test_flag); +int maria_chk_size(HA_CHECK *param, MARIA_HA *info); +int maria_chk_key(HA_CHECK *param, MARIA_HA *info); +int maria_chk_data_link(HA_CHECK *param, MARIA_HA *info, int extend); +int maria_repair(HA_CHECK *param, MARIA_HA *info, char * name, uint rep_quick); +int maria_sort_index(HA_CHECK *param, MARIA_HA *info, char * name); +int maria_repair_by_sort(HA_CHECK *param, MARIA_HA *info, + const char *name, uint rep_quick); +int maria_repair_parallel(HA_CHECK *param, register MARIA_HA *info, + const char *name, uint rep_quick); +int maria_change_to_newfile(const char *filename, const char *old_ext, + const char *new_ext, myf myflags); +void maria_lock_memory(HA_CHECK *param); +int maria_update_state_info(HA_CHECK *param, MARIA_HA *info, uint update); +void maria_update_key_parts(MARIA_KEYDEF *keyinfo, double *rec_per_key_part, + ulonglong *unique, ulonglong *notnull, + ulonglong records); +int maria_filecopy(HA_CHECK *param, File to, File from, my_off_t start, + my_off_t length, const char *type); +int maria_movepoint(MARIA_HA *info, uchar *record, my_off_t oldpos, + my_off_t newpos, uint prot_key); +int maria_write_data_suffix(MARIA_SORT_INFO *sort_info, my_bool fix_datafile); +int maria_test_if_almost_full(MARIA_HA *info); +int maria_recreate_table(HA_CHECK *param, MARIA_HA **org_info, char *filename); +int maria_disable_indexes(MARIA_HA *info); +int maria_enable_indexes(MARIA_HA *info); +int maria_indexes_are_disabled(MARIA_HA *info); +void maria_disable_non_unique_index(MARIA_HA *info, ha_rows rows); +my_bool maria_test_if_sort_rep(MARIA_HA *info, ha_rows rows, ulonglong key_map, + my_bool force); + +int maria_init_bulk_insert(MARIA_HA *info, ulong cache_size, ha_rows rows); +void maria_flush_bulk_insert(MARIA_HA *info, uint inx); +void maria_end_bulk_insert(MARIA_HA *info); +int maria_assign_to_pagecache(MARIA_HA *info, ulonglong key_map, + PAGECACHE *key_cache); +void maria_change_pagecache(PAGECACHE *old_key_cache, + PAGECACHE *new_key_cache); +int maria_preload(MARIA_HA *info, ulonglong key_map, my_bool ignore_leaves); + +/* fulltext functions */ +FT_INFO *maria_ft_init_search(uint,void *, uint, uchar *, uint, + CHARSET_INFO *, uchar *); + +/* 'Almost-internal' Maria functions */ + +void _ma_update_auto_increment_key(HA_CHECK *param, MARIA_HA *info, + my_bool repair); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/include/my_atomic.h b/include/my_atomic.h index a1347d26401..59297750cb7 100644 --- a/include/my_atomic.h +++ b/include/my_atomic.h @@ -13,6 +13,40 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* + This header defines five atomic operations: + + my_atomic_add#(&var, what) + add 'what' to *var, and return the old value of *var + + my_atomic_fas#(&var, what) + 'Fetch And Store' + store 'what' in *var, and return the old value of *var + + my_atomic_cas#(&var, &old, new) + 'Compare And Swap' + if *var is equal to *old, then store 'new' in *var, and return TRUE + otherwise store *var in *old, and return FALSE + + my_atomic_load#(&var) + return *var + + my_atomic_store#(&var, what) + store 'what' in *var + + '#' is substituted by a size suffix - 8, 16, 32, or ptr + (e.g. my_atomic_add8, my_atomic_fas32, my_atomic_casptr). + + NOTE This operations are not always atomic, so they always must be + enclosed in my_atomic_rwlock_rdlock(lock)/my_atomic_rwlock_rdunlock(lock) + or my_atomic_rwlock_wrlock(lock)/my_atomic_rwlock_wrunlock(lock). + Hint: if a code block makes intensive use of atomic ops, it make sense + to take/release rwlock once for the whole block, not for every statement. + + On architectures where these operations are really atomic, rwlocks will + be optimized away. +*/ + #ifndef my_atomic_rwlock_init #define intptr void * @@ -26,70 +60,124 @@ #endif #ifndef make_atomic_add_body -#define make_atomic_add_body(S) \ +#define make_atomic_add_body(S) \ int ## S tmp=*a; \ while (!my_atomic_cas ## S(a, &tmp, tmp+v)); \ v=tmp; #endif +/* + transparent_union doesn't work in g++ + Bug ? + + Darwin's gcc doesn't want to put pointers in a transparent_union + when built with -arch ppc64. Complains: + warning: 'transparent_union' attribute ignored +*/ +#if defined(__GNUC__) && !defined(__cplusplus) && \ + ! (defined(__APPLE__) && defined(_ARCH_PPC64)) +/* + we want to be able to use my_atomic_xxx functions with + both signed and unsigned integers. But gcc will issue a warning + "passing arg N of `my_atomic_XXX' as [un]signed due to prototype" + if the signedness of the argument doesn't match the prototype, or + "pointer targets in passing argument N of my_atomic_XXX differ in signedness" + if int* is used where uint* is expected (or vice versa). + Let's shut these warnings up +*/ +#define make_transparent_unions(S) \ + typedef union { \ + int ## S i; \ + uint ## S u; \ + } U_ ## S __attribute__ ((transparent_union)); \ + typedef union { \ + int ## S volatile *i; \ + uint ## S volatile *u; \ + } Uv_ ## S __attribute__ ((transparent_union)); +#define uintptr intptr +make_transparent_unions(8) +make_transparent_unions(16) +make_transparent_unions(32) +make_transparent_unions(ptr) +#undef uintptr +#undef make_transparent_unions +#define a U_a.i +#define cmp U_cmp.i +#define v U_v.i +#define set U_set.i +#else +#define U_8 int8 +#define U_16 int16 +#define U_32 int32 +#define U_ptr intptr +#define Uv_8 int8 +#define Uv_16 int16 +#define Uv_32 int32 +#define Uv_ptr intptr +#define U_a volatile *a +#define U_cmp *cmp +#define U_v v +#define U_set set +#endif /* __GCC__ transparent_union magic */ + #ifdef HAVE_INLINE -#define make_atomic_add(S) \ -static inline int ## S my_atomic_add ## S( \ - int ## S volatile *a, int ## S v) \ -{ \ - make_atomic_add_body(S); \ - return v; \ +#define make_atomic_add(S) \ +STATIC_INLINE int ## S my_atomic_add ## S( \ + Uv_ ## S U_a, U_ ## S U_v) \ +{ \ + make_atomic_add_body(S); \ + return v; \ } -#define make_atomic_swap(S) \ -static inline int ## S my_atomic_swap ## S( \ - int ## S volatile *a, int ## S v) \ -{ \ - make_atomic_swap_body(S); \ - return v; \ +#define make_atomic_fas(S) \ +STATIC_INLINE int ## S my_atomic_fas ## S( \ + Uv_ ## S U_a, U_ ## S U_v) \ +{ \ + make_atomic_fas_body(S); \ + return v; \ } -#define make_atomic_cas(S) \ -static inline int my_atomic_cas ## S(int ## S volatile *a, \ - int ## S *cmp, int ## S set) \ -{ \ - int8 ret; \ - make_atomic_cas_body(S); \ - return ret; \ +#define make_atomic_cas(S) \ +STATIC_INLINE int my_atomic_cas ## S(Uv_ ## S U_a, \ + Uv_ ## S U_cmp, U_ ## S U_set) \ +{ \ + int8 ret; \ + make_atomic_cas_body(S); \ + return ret; \ } -#define make_atomic_load(S) \ -static inline int ## S my_atomic_load ## S(int ## S volatile *a) \ -{ \ - int ## S ret; \ - make_atomic_load_body(S); \ - return ret; \ +#define make_atomic_load(S) \ +STATIC_INLINE int ## S my_atomic_load ## S(Uv_ ## S U_a) \ +{ \ + int ## S ret; \ + make_atomic_load_body(S); \ + return ret; \ } -#define make_atomic_store(S) \ -static inline void my_atomic_store ## S( \ - int ## S volatile *a, int ## S v) \ -{ \ - make_atomic_store_body(S); \ +#define make_atomic_store(S) \ +STATIC_INLINE void my_atomic_store ## S( \ + Uv_ ## S U_a, U_ ## S U_v) \ +{ \ + make_atomic_store_body(S); \ } #else /* no inline functions */ -#define make_atomic_add(S) \ -extern int ## S my_atomic_add ## S(int ## S volatile *a, int ## S v); +#define make_atomic_add(S) \ +extern int ## S my_atomic_add ## S(Uv_ ## S, U_ ## S); -#define make_atomic_swap(S) \ -extern int ## S my_atomic_swap ## S(int ## S volatile *a, int ## S v); +#define make_atomic_fas(S) \ +extern int ## S my_atomic_fas ## S(Uv_ ## S, U_ ## S); -#define make_atomic_cas(S) \ -extern int my_atomic_cas ## S(int ## S volatile *a, int ## S *cmp, int ## S set); +#define make_atomic_cas(S) \ +extern int my_atomic_cas ## S(Uv_ ## S, Uv_ ## S, U_ ## S); -#define make_atomic_load(S) \ -extern int ## S my_atomic_load ## S(int ## S volatile *a); +#define make_atomic_load(S) \ +extern int ## S my_atomic_load ## S(Uv_ ## S); -#define make_atomic_store(S) \ -extern void my_atomic_store ## S(int ## S volatile *a, int ## S v); +#define make_atomic_store(S) \ +extern void my_atomic_store ## S(Uv_ ## S, U_ ## S); #endif @@ -112,26 +200,47 @@ make_atomic_store(16) make_atomic_store(32) make_atomic_store(ptr) -make_atomic_swap( 8) -make_atomic_swap(16) -make_atomic_swap(32) -make_atomic_swap(ptr) +make_atomic_fas( 8) +make_atomic_fas(16) +make_atomic_fas(32) +make_atomic_fas(ptr) +#ifdef _atomic_h_cleanup_ +#include _atomic_h_cleanup_ +#undef _atomic_h_cleanup_ +#endif + +#undef U_8 +#undef U_16 +#undef U_32 +#undef U_ptr +#undef a +#undef cmp +#undef v +#undef set +#undef U_a +#undef U_cmp +#undef U_v +#undef U_set #undef make_atomic_add #undef make_atomic_cas #undef make_atomic_load #undef make_atomic_store -#undef make_atomic_swap +#undef make_atomic_fas #undef make_atomic_add_body #undef make_atomic_cas_body #undef make_atomic_load_body #undef make_atomic_store_body -#undef make_atomic_swap_body +#undef make_atomic_fas_body #undef intptr -#ifdef _atomic_h_cleanup_ -#include _atomic_h_cleanup_ -#undef _atomic_h_cleanup_ +/* + the macro below defines (as an expression) the code that + will be run in spin-loops. Intel manuals recummend to have PAUSE there. + It is expected to be defined in include/atomic/ *.h files +*/ +#ifndef LF_BACKOFF +#define LF_BACKOFF (1) #endif #define MY_ATOMIC_OK 0 diff --git a/include/my_base.h b/include/my_base.h index 947f7695215..fdf8d248879 100644 --- a/include/my_base.h +++ b/include/my_base.h @@ -14,7 +14,6 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* This file includes constants used with all databases */ -/* Author: Michael Widenius */ #ifndef _my_base_h #define _my_base_h @@ -48,10 +47,11 @@ #define HA_OPEN_FOR_REPAIR 32 /* open even if crashed */ #define HA_OPEN_FROM_SQL_LAYER 64 #define HA_OPEN_MMAP 128 /* open memory mapped */ +#define HA_OPEN_COPY 256 /* Open copy (for repair) */ /* Internal temp table, used for temporary results */ -#define HA_OPEN_INTERNAL_TABLE 256 +#define HA_OPEN_INTERNAL_TABLE 512 - /* The following is parameter to ha_rkey() how to use key */ +/* The following is parameter to ha_rkey() how to use key */ /* We define a complete-field prefix of a key value as a prefix where @@ -137,7 +137,7 @@ enum ha_extra_function { HA_EXTRA_RESET_STATE, /* Reset positions */ HA_EXTRA_IGNORE_DUP_KEY, /* Dup keys don't rollback everything*/ HA_EXTRA_NO_IGNORE_DUP_KEY, - HA_EXTRA_PREPARE_FOR_DELETE, + HA_EXTRA_PREPARE_FOR_DROP, HA_EXTRA_PREPARE_FOR_UPDATE, /* Remove read cache if problems */ HA_EXTRA_PRELOAD_BUFFER_SIZE, /* Set buffer size for preloading */ /* @@ -193,7 +193,9 @@ enum ha_extra_function { begin and end of a statement. */ HA_EXTRA_ATTACH_CHILDREN, - HA_EXTRA_DETACH_CHILDREN + HA_EXTRA_DETACH_CHILDREN, + /* Inform handler that we will do a rename */ + HA_EXTRA_PREPARE_FOR_RENAME }; /* The following is parameter to ha_panic() */ @@ -300,8 +302,12 @@ enum ha_base_keytype { #define HA_OPTION_NO_PACK_KEYS 128 /* Reserved for MySQL */ #define HA_OPTION_CREATE_FROM_ENGINE 256 #define HA_OPTION_RELIES_ON_SQL_LAYER 512 -#define HA_OPTION_TEMP_COMPRESS_RECORD ((uint) 16384) /* set by isamchk */ -#define HA_OPTION_READ_ONLY_DATA ((uint) 32768) /* Set by isamchk */ +#define HA_OPTION_NULL_FIELDS 1024 +#define HA_OPTION_PAGE_CHECKSUM 2048 +#define HA_OPTION_TEMP_COMPRESS_RECORD (1L << 15) /* set by isamchk */ +#define HA_OPTION_READ_ONLY_DATA (1L << 16) /* Set by isamchk */ +#define HA_OPTION_NO_CHECKSUM (1L << 17) +#define HA_OPTION_NO_DELAY_KEY_WRITE (1L << 18) /* Bits in flag to create() */ @@ -310,6 +316,7 @@ enum ha_base_keytype { #define HA_CREATE_TMP_TABLE 4 #define HA_CREATE_CHECKSUM 8 #define HA_CREATE_KEEP_FILES 16 /* don't overwrite .MYD and MYI */ +#define HA_CREATE_PAGE_CHECKSUM 32 #define HA_CREATE_DELAY_KEY_WRITE 64 #define HA_CREATE_RELIES_ON_SQL_LAYER 128 @@ -356,14 +363,18 @@ enum ha_base_keytype { */ #define HA_STATUS_AUTO 64 - /* Errorcodes given by functions */ +/* + Errorcodes given by handler functions + + opt_sum_query() assumes these codes are > 1 + Do not add error numbers before HA_ERR_FIRST. + If necessary to add lower numbers, change HA_ERR_FIRST accordingly. +*/ +#define HA_ERR_FIRST 120 /* Copy of first error nr.*/ -/* opt_sum_query() assumes these codes are > 1 */ -/* Do not add error numbers before HA_ERR_FIRST. */ -/* If necessary to add lower numbers, change HA_ERR_FIRST accordingly. */ -#define HA_ERR_FIRST 120 /*Copy first error nr.*/ #define HA_ERR_KEY_NOT_FOUND 120 /* Didn't find key on read or update */ #define HA_ERR_FOUND_DUPP_KEY 121 /* Dupplicate key on write */ +#define HA_ERR_INTERNAL_ERROR 122 /* Internal error */ #define HA_ERR_RECORD_CHANGED 123 /* Uppdate with is recoverable */ #define HA_ERR_WRONG_INDEX 124 /* Wrong index given to function */ #define HA_ERR_CRASHED 126 /* Indexfile is crashed */ @@ -382,7 +393,7 @@ enum ha_base_keytype { #define HA_WRONG_CREATE_OPTION 140 /* Wrong create option */ #define HA_ERR_FOUND_DUPP_UNIQUE 141 /* Dupplicate unique on write */ #define HA_ERR_UNKNOWN_CHARSET 142 /* Can't open charset */ -#define HA_ERR_WRONG_MRG_TABLE_DEF 143 /* conflicting MyISAM tables in MERGE */ +#define HA_ERR_WRONG_MRG_TABLE_DEF 143 /* conflicting tables in MERGE */ #define HA_ERR_CRASHED_ON_REPAIR 144 /* Last (automatic?) repair failed */ #define HA_ERR_CRASHED_ON_USAGE 145 /* Table must be repaired */ #define HA_ERR_LOCK_WAIT_TIMEOUT 146 @@ -397,30 +408,38 @@ enum ha_base_keytype { #define HA_ERR_NO_SUCH_TABLE 155 /* The table does not exist in engine */ #define HA_ERR_TABLE_EXIST 156 /* The table existed in storage engine */ #define HA_ERR_NO_CONNECTION 157 /* Could not connect to storage engine */ -#define HA_ERR_NULL_IN_SPATIAL 158 /* NULLs are not supported in spatial index */ +/* NULLs are not supported in spatial index */ +#define HA_ERR_NULL_IN_SPATIAL 158 #define HA_ERR_TABLE_DEF_CHANGED 159 /* The table changed in storage engine */ #define HA_ERR_NO_PARTITION_FOUND 160 /* There's no partition in table for given value */ #define HA_ERR_RBR_LOGGING_FAILED 161 /* Row-based binlogging of row failed */ -#define HA_ERR_DROP_INDEX_FK 162 /* Index needed in foreign key constr. */ -#define HA_ERR_FOREIGN_DUPLICATE_KEY 163 /* Upholding foreign key constraints - would lead to a duplicate key - error in some other table. */ -#define HA_ERR_TABLE_NEEDS_UPGRADE 164 /* The table changed in storage engine */ -#define HA_ERR_TABLE_READONLY 165 /* The table is not writable */ +#define HA_ERR_DROP_INDEX_FK 162 /* Index needed in foreign key constr */ +/* + Upholding foreign key constraints would lead to a duplicate key error + in some other table. +*/ +#define HA_ERR_FOREIGN_DUPLICATE_KEY 163 +/* The table changed in storage engine */ +#define HA_ERR_TABLE_NEEDS_UPGRADE 164 +#define HA_ERR_TABLE_READONLY 165 /* The table is not writable */ #define HA_ERR_AUTOINC_READ_FAILED 166 /* Failed to get next autoinc value */ #define HA_ERR_AUTOINC_ERANGE 167 /* Failed to set row autoinc value */ #define HA_ERR_GENERIC 168 /* Generic error */ -#define HA_ERR_RECORD_IS_THE_SAME 169 /* row not actually updated : - new values same as the old values */ - -#define HA_ERR_LOGGING_IMPOSSIBLE 170 /* It is not possible to log this - statement */ +/* row not actually updated: new values same as the old values */ +#define HA_ERR_RECORD_IS_THE_SAME 169 +/* It is not possible to log this statement */ +#define HA_ERR_LOGGING_IMPOSSIBLE 170 #define HA_ERR_CORRUPT_EVENT 171 /* The event was corrupt, leading to illegal data being read */ -#define HA_ERR_LAST 171 /*Copy last error nr.*/ -/* Add error numbers before HA_ERR_LAST and change it accordingly. */ +#define HA_ERR_NEW_FILE 172 /* New file format */ +#define HA_ERR_INITIALIZATION 173 /* Error during initialization */ +#define HA_ERR_FILE_TOO_SHORT 174 /* File too short */ +#define HA_ERR_WRONG_CRC 175 /* Wrong CRC on page */ +#define HA_ERR_LAST 175 /* Copy of last error nr */ + +/* Number of different errors */ #define HA_ERR_ERRORS (HA_ERR_LAST - HA_ERR_FIRST + 1) /* Other constants */ @@ -484,7 +503,7 @@ enum en_fieldtype { }; enum data_file_type { - STATIC_RECORD,DYNAMIC_RECORD,COMPRESSED_RECORD + STATIC_RECORD, DYNAMIC_RECORD, COMPRESSED_RECORD, BLOCK_RECORD }; /* For key ranges */ @@ -536,4 +555,7 @@ typedef ulong ha_rows; #define HA_VARCHAR_PACKLENGTH(field_length) ((field_length) < 256 ? 1 :2) +/* invalidator function reference for Query Cache */ +typedef void (* invalidator_by_filename)(const char * filename); + #endif /* _my_base_h */ diff --git a/include/my_bit.h b/include/my_bit.h new file mode 100644 index 00000000000..58e8bb39683 --- /dev/null +++ b/include/my_bit.h @@ -0,0 +1,107 @@ +/* + Some useful bit functions +*/ + +#ifdef HAVE_INLINE + +extern const char _my_bits_nbits[256]; +extern const uchar _my_bits_reverse_table[256]; + +/* + Find smallest X in 2^X >= value + This can be used to divide a number with value by doing a shift instead +*/ + +STATIC_INLINE uint my_bit_log2(ulong value) +{ + uint bit; + for (bit=0 ; value > 1 ; value>>=1, bit++) ; + return bit; +} + +STATIC_INLINE uint my_count_bits(ulonglong v) +{ +#if SIZEOF_LONG_LONG > 4 + /* The following code is a bit faster on 16 bit machines than if we would + only shift v */ + ulong v2=(ulong) (v >> 32); + return (uint) (uchar) (_my_bits_nbits[(uchar) v] + + _my_bits_nbits[(uchar) (v >> 8)] + + _my_bits_nbits[(uchar) (v >> 16)] + + _my_bits_nbits[(uchar) (v >> 24)] + + _my_bits_nbits[(uchar) (v2)] + + _my_bits_nbits[(uchar) (v2 >> 8)] + + _my_bits_nbits[(uchar) (v2 >> 16)] + + _my_bits_nbits[(uchar) (v2 >> 24)]); +#else + return (uint) (uchar) (_my_bits_nbits[(uchar) v] + + _my_bits_nbits[(uchar) (v >> 8)] + + _my_bits_nbits[(uchar) (v >> 16)] + + _my_bits_nbits[(uchar) (v >> 24)]); +#endif +} + +STATIC_INLINE uint my_count_bits_ushort(ushort v) +{ + return _my_bits_nbits[v]; +} + + +/* + Next highest power of two + + SYNOPSIS + my_round_up_to_next_power() + v Value to check + + RETURN + Next or equal power of 2 + Note: 0 will return 0 + + NOTES + Algorithm by Sean Anderson, according to: + http://graphics.stanford.edu/~seander/bithacks.html + (Orignal code public domain) + + Comments shows how this works with 01100000000000000000000000001011 +*/ + +STATIC_INLINE uint32 my_round_up_to_next_power(uint32 v) +{ + v--; /* 01100000000000000000000000001010 */ + v|= v >> 1; /* 01110000000000000000000000001111 */ + v|= v >> 2; /* 01111100000000000000000000001111 */ + v|= v >> 4; /* 01111111110000000000000000001111 */ + v|= v >> 8; /* 01111111111111111100000000001111 */ + v|= v >> 16; /* 01111111111111111111111111111111 */ + return v+1; /* 10000000000000000000000000000000 */ +} + +STATIC_INLINE uint32 my_clear_highest_bit(uint32 v) +{ + uint32 w=v >> 1; + w|= w >> 1; + w|= w >> 2; + w|= w >> 4; + w|= w >> 8; + w|= w >> 16; + return v & w; +} + +STATIC_INLINE uint32 my_reverse_bits(uint32 key) +{ + return + (_my_bits_reverse_table[ key & 255] << 24) | + (_my_bits_reverse_table[(key>> 8) & 255] << 16) | + (_my_bits_reverse_table[(key>>16) & 255] << 8) | + _my_bits_reverse_table[(key>>24) ]; +} + +#else +extern uint my_bit_log2(ulong value); +extern uint32 my_round_up_to_next_power(uint32 v); +uint32 my_clear_highest_bit(uint32 v); +uint32 my_reverse_bits(uint32 key); +extern uint my_count_bits(ulonglong v); +extern uint my_count_bits_ushort(ushort v); +#endif diff --git a/include/my_dbug.h b/include/my_dbug.h index 514cd17099b..a77e439b5db 100644 --- a/include/my_dbug.h +++ b/include/my_dbug.h @@ -101,7 +101,7 @@ extern FILE *_db_fp_(void); #define DBUG_LONGJMP(a1) longjmp(a1) #define DBUG_DUMP(keyword,a1,a2) #define DBUG_END() -#define DBUG_ASSERT(A) +#define DBUG_ASSERT(A) do { } while(0) #define DBUG_LOCK_FILE #define DBUG_FILE (stderr) #define DBUG_UNLOCK_FILE diff --git a/include/my_global.h b/include/my_global.h index 4b0786aa826..1287ae3ac2a 100644 --- a/include/my_global.h +++ b/include/my_global.h @@ -242,6 +242,8 @@ #endif #undef inline_test_2 #undef inline_test_1 +/* helper macro for "instantiating" inline functions */ +#define STATIC_INLINE static inline /* The following macros are used to control inlining a bit more than @@ -429,6 +431,9 @@ C_MODE_END #ifdef HAVE_FCNTL_H #include <fcntl.h> #endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif #ifdef HAVE_SYS_TIMEB_H #include <sys/timeb.h> /* Avoid warnings on SCO */ #endif @@ -571,7 +576,7 @@ typedef unsigned short ushort; #define CMP_NUM(a,b) (((a) < (b)) ? -1 : ((a) == (b)) ? 0 : 1) #define sgn(a) (((a) < 0) ? -1 : ((a) > 0) ? 1 : 0) -#define swap_variables(t, a, b) { register t dummy; dummy= a; a= b; b= dummy; } +#define swap_variables(t, a, b) { register t swap_dummy; swap_dummy= a; a= b; b= swap_dummy; } #define test(a) ((a) ? 1 : 0) #define set_if_bigger(a,b) do { if ((a) < (b)) (a)=(b); } while(0) #define set_if_smaller(a,b) do { if ((a) > (b)) (a)=(b); } while(0) @@ -1015,6 +1020,8 @@ typedef long long intptr; #error sizeof(void *) is neither sizeof(int) nor sizeof(long) nor sizeof(long long) #endif +#define MY_ERRPTR ((void*)(intptr)1) + #ifdef USE_RAID /* The following is done with a if to not get problems with pre-processors @@ -1476,6 +1483,7 @@ do { doubleget_union _tmp; \ #define dlerror() "" #endif + #ifndef __NETWARE__ /* * Include standard definitions of operator new and delete. @@ -1506,6 +1514,13 @@ inline void operator delete[](void*, void*) { /* Do nothing */ } #if !defined(max) #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) +#endif +/* + Only Linux is known to need an explicit sync of the directory to make sure a + file creation/deletion/renaming in(from,to) this directory durable. +*/ +#ifdef TARGET_OS_LINUX +#define NEED_EXPLICIT_SYNC_DIR 1 #endif #endif /* my_global_h */ diff --git a/include/my_handler.h b/include/my_handler.h index d7cd0567f9c..21e57ce8170 100644 --- a/include/my_handler.h +++ b/include/my_handler.h @@ -18,10 +18,30 @@ #ifndef _my_handler_h #define _my_handler_h -#include "my_base.h" -#include "m_ctype.h" #include "myisampack.h" +/* + There is a hard limit for the maximum number of keys as there are only + 8 bits in the index file header for the number of keys in a table. + This means that 0..255 keys can exist for a table. The idea of + HA_MAX_POSSIBLE_KEY is to ensure that one can use myisamchk & tools on + a MyISAM table for which one has more keys than MyISAM is normally + compiled for. If you don't have this, you will get a core dump when + running myisamchk compiled for 128 keys on a table with 255 keys. +*/ + +#define HA_MAX_POSSIBLE_KEY 255 /* For myisamchk */ +/* + The following defines can be increased if necessary. + But beware the dependency of HA_MAX_POSSIBLE_KEY_BUFF and HA_MAX_KEY_LENGTH. +*/ + +#define HA_MAX_KEY_LENGTH 1000 /* Max length in bytes */ +#define HA_MAX_KEY_SEG 16 /* Max segments for key */ + +#define HA_MAX_POSSIBLE_KEY_BUFF (HA_MAX_KEY_LENGTH + 24+ 6+6) +#define HA_MAX_KEY_BUFF (HA_MAX_KEY_LENGTH+HA_MAX_KEY_SEG*6+8+8) + typedef struct st_HA_KEYSEG /* Key-portion */ { CHARSET_INFO *charset; @@ -38,33 +58,35 @@ typedef struct st_HA_KEYSEG /* Key-portion */ } HA_KEYSEG; #define get_key_length(length,key) \ -{ if ((uchar) *(key) != 255) \ - length= (uint) (uchar) *((key)++); \ +{ if (*(uchar*) (key) != 255) \ + length= (uint) *(uchar*) ((key)++); \ else \ - { length=mi_uint2korr((key)+1); (key)+=3; } \ + { length= mi_uint2korr((key)+1); (key)+=3; } \ } #define get_key_length_rdonly(length,key) \ -{ if ((uchar) *(key) != 255) \ - length= ((uint) (uchar) *((key))); \ +{ if (*(uchar*) (key) != 255) \ + length= ((uint) *(uchar*) ((key))); \ else \ - { length=mi_uint2korr((key)+1); } \ + { length= mi_uint2korr((key)+1); } \ } #define get_key_pack_length(length,length_pack,key) \ -{ if ((uchar) *(key) != 255) \ - { length= (uint) (uchar) *((key)++); length_pack=1; }\ +{ if (*(uchar*) (key) != 255) \ + { length= (uint) *(uchar*) ((key)++); length_pack= 1; }\ else \ - { length=mi_uint2korr((key)+1); (key)+=3; length_pack=3; } \ + { length=mi_uint2korr((key)+1); (key)+= 3; length_pack= 3; } \ } #define store_key_length_inc(key,length) \ { if ((length) < 255) \ - { *(key)++=(length); } \ + { *(key)++= (length); } \ else \ { *(key)=255; mi_int2store((key)+1,(length)); (key)+=3; } \ } +#define size_to_store_key_length(length) ((length) < 255 ? 1 : 3) + #define get_rec_bits(bit_ptr, bit_ofs, bit_len) \ (((((uint16) (bit_ptr)[1] << 8) | (uint16) (bit_ptr)[0]) >> (bit_ofs)) & \ ((1 << (bit_len)) - 1)) @@ -81,12 +103,20 @@ typedef struct st_HA_KEYSEG /* Key-portion */ #define clr_rec_bits(bit_ptr, bit_ofs, bit_len) \ set_rec_bits(0, bit_ptr, bit_ofs, bit_len) -extern int mi_compare_text(CHARSET_INFO *, uchar *, uint, uchar *, uint , - my_bool, my_bool); -extern int ha_key_cmp(register HA_KEYSEG *keyseg, register uchar *a, - register uchar *b, uint key_length, uint nextflag, +extern int ha_compare_text(CHARSET_INFO *, const uchar *, uint, + const uchar *, uint , my_bool, my_bool); +extern int ha_key_cmp(register HA_KEYSEG *keyseg, register const uchar *a, + register const uchar *b, uint key_length, uint nextflag, uint *diff_pos); extern HA_KEYSEG *ha_find_null(HA_KEYSEG *keyseg, uchar *a); +extern void my_handler_error_register(void); +extern void my_handler_error_unregister(void); +/* + Inside an in-memory data record, memory pointers to pieces of the + record (like BLOBs) are stored in their native byte order and in + this amount of bytes. +*/ +#define portable_sizeof_char_ptr 8 #endif /* _my_handler_h */ diff --git a/include/my_pthread.h b/include/my_pthread.h index 88abddc9e25..6ec745ff206 100644 --- a/include/my_pthread.h +++ b/include/my_pthread.h @@ -172,6 +172,7 @@ void pthread_exit(void *a); /* was #define pthread_exit(A) ExitThread(A)*/ #define pthread_detach_this_thread() #define pthread_condattr_init(A) #define pthread_condattr_destroy(A) +#define pthread_yield() Sleep(0) /* according to MSDN */ #define my_pthread_getprio(thread_id) pthread_dummy(0) @@ -397,6 +398,17 @@ void my_pthread_attr_getstacksize(pthread_attr_t *attrib, size_t *size); int my_pthread_mutex_trylock(pthread_mutex_t *mutex); #endif +#if !defined(HAVE_PTHREAD_YIELD_ONE_ARG) && !defined(HAVE_PTHREAD_YIELD_ZERO_ARG) +/* no pthread_yield() available */ +#ifdef HAVE_SCHED_YIELD +#define pthread_yield() sched_yield() +#elif defined(HAVE_PTHREAD_YIELD_NP) /* can be Mac OS X */ +#define pthread_yield() pthread_yield_np() +#elif defined(HAVE_THR_YIELD) +#define pthread_yield() thr_yield() +#endif +#endif + /* The defines set_timespec and set_timespec_nsec should be used for calculating an absolute time at which @@ -447,7 +459,7 @@ int my_pthread_mutex_trylock(pthread_mutex_t *mutex); typedef struct st_safe_mutex_t { pthread_mutex_t global,mutex; - const char *file; + const char *file, *name; uint line,count; pthread_t thread; #ifdef SAFE_MUTEX_DETECT_DESTROY @@ -472,7 +484,7 @@ typedef struct st_safe_mutex_info_t #endif /* SAFE_MUTEX_DETECT_DESTROY */ int safe_mutex_init(safe_mutex_t *mp, const pthread_mutexattr_t *attr, - const char *file, uint line); + const char *file, uint line, const char *name); int safe_mutex_lock(safe_mutex_t *mp, my_bool try_lock, const char *file, uint line); int safe_mutex_unlock(safe_mutex_t *mp,const char *file, uint line); int safe_mutex_destroy(safe_mutex_t *mp,const char *file, uint line); @@ -495,7 +507,7 @@ void safe_mutex_end(FILE *file); #undef pthread_cond_wait #undef pthread_cond_timedwait #undef pthread_mutex_trylock -#define pthread_mutex_init(A,B) safe_mutex_init((A),(B),__FILE__,__LINE__) +#define pthread_mutex_init(A,B) safe_mutex_init((A),(B),__FILE__,__LINE__,#A) #define pthread_mutex_lock(A) safe_mutex_lock((A), FALSE, __FILE__, __LINE__) #define pthread_mutex_unlock(A) safe_mutex_unlock((A),__FILE__,__LINE__) #define pthread_mutex_destroy(A) safe_mutex_destroy((A),__FILE__,__LINE__) @@ -681,6 +693,7 @@ struct st_my_thread_var }; extern struct st_my_thread_var *_my_thread_var(void) __attribute__ ((const)); +extern void **my_thread_var_dbug(); extern uint my_thread_end_wait_time; #define my_thread_var (_my_thread_var()) #define my_errno my_thread_var->thr_errno diff --git a/include/my_sys.h b/include/my_sys.h index e13c4cde78b..7c39e69ad6e 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -51,6 +51,7 @@ extern int NEAR my_errno; /* Last error in mysys */ #define MY_WME 16 /* Write message on error */ #define MY_WAIT_IF_FULL 32 /* Wait and try again if disk full error */ #define MY_IGNORE_BADFD 32 /* my_sync: ignore 'bad descriptor' errors */ +#define MY_SYNC_DIR 1024 /* my_create/delete/rename: sync directory */ #define MY_RAID 64 /* Support for RAID */ #define MY_FULL_IO 512 /* For my_read - loop intil I/O is complete */ #define MY_DONT_CHECK_FILESIZE 128 /* Option to init_io_cache() */ @@ -61,12 +62,14 @@ extern int NEAR my_errno; /* Last error in mysys */ #define MY_HOLD_ORIGINAL_MODES 128 /* my_copy() holds to file modes */ #define MY_REDEL_MAKE_BACKUP 256 #define MY_SEEK_NOT_DONE 32 /* my_lock may have to do a seek */ -#define MY_DONT_WAIT 64 /* my_lock() don't wait if can't lock */ +#define MY_SHORT_WAIT 64 /* my_lock() don't wait if can't lock */ +#define MY_FORCE_LOCK 128 /* use my_lock() even if disable_locking */ +#define MY_NO_WAIT 256 /* my_lock() don't wait at all */ #define MY_ZEROFILL 32 /* my_malloc(), fill array with zero */ #define MY_ALLOW_ZERO_PTR 64 /* my_realloc() ; zero ptr -> malloc */ #define MY_FREE_ON_ERROR 128 /* my_realloc() ; Free old ptr on error */ #define MY_HOLD_ON_ERROR 256 /* my_realloc() ; Return old ptr on error */ -#define MY_DONT_OVERWRITE_FILE 1024 /* my_copy: Don't overwrite file */ +#define MY_DONT_OVERWRITE_FILE 2048 /* my_copy: Don't overwrite file */ #define MY_THREADSAFE 2048 /* my_seek(): lock fd mutex */ #define MY_CHECK_ERROR 1 /* Params to my_end; Check open-close */ @@ -89,6 +92,8 @@ extern int NEAR my_errno; /* Last error in mysys */ #define ME_COLOUR1 ((1 << ME_HIGHBYTE)) /* Possibly error-colours */ #define ME_COLOUR2 ((2 << ME_HIGHBYTE)) #define ME_COLOUR3 ((3 << ME_HIGHBYTE)) +#define ME_JUST_INFO 1024 /**< not error but just info */ +#define ME_JUST_WARNING 2048 /**< not error but just warning */ /* Bits in last argument to fn_format */ #define MY_REPLACE_DIR 1 /* replace dir in name with 'dir' */ @@ -207,11 +212,13 @@ extern int errno; /* declare errno */ extern char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE]; extern char *home_dir; /* Home directory for user */ extern const char *my_progname; /* program-name (printed in errors) */ +extern const char *my_progname_short; /* like above but without directory */ extern char NEAR curr_dir[]; /* Current directory for user */ extern int (*error_handler_hook)(uint my_err, const char *str,myf MyFlags); extern int (*fatal_error_handler_hook)(uint my_err, const char *str, myf MyFlags); extern uint my_file_limit; +extern ulong my_thread_stack_size; #ifdef HAVE_LARGE_PAGES extern my_bool my_use_large_pages; @@ -276,7 +283,18 @@ enum cache_type enum flush_type { - FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED, FLUSH_FORCE_WRITE + FLUSH_KEEP, /* flush block and keep it in the cache */ + FLUSH_RELEASE, /* flush block and remove it from the cache */ + FLUSH_IGNORE_CHANGED, /* remove block from the cache */ + /* as my_disable_flush_pagecache_blocks is always 0, it is + strictly equivalent to FLUSH_KEEP */ + FLUSH_FORCE_WRITE, + /** + @brief like FLUSH_KEEP but return immediately if file is already being + flushed (even partially) by another thread; only for page cache, + forbidden for key cache. + */ + FLUSH_KEEP_LAZY }; typedef struct st_record_cache /* Used when cacheing records */ @@ -530,6 +548,7 @@ my_off_t my_b_safe_tell(IO_CACHE* info); /* picks the correct tell() */ *(info)->current_pos) typedef uint32 ha_checksum; +extern ha_checksum my_crc_dbug_check; /* Define the type of function to be passed to process_default_option_files */ typedef int (*Process_option_func)(void *ctx, const char *group_name, @@ -627,6 +646,8 @@ extern FILE *my_fdopen(File Filedes,const char *name, int Flags,myf MyFlags); extern int my_fclose(FILE *fd,myf MyFlags); extern int my_chsize(File fd,my_off_t newlength, int filler, myf MyFlags); extern int my_sync(File fd, myf my_flags); +extern int my_sync_dir(const char *dir_name, myf my_flags); +extern int my_sync_dir_by_file(const char *file_name, myf my_flags); extern int my_error _VARARGS((int nr,myf MyFlags, ...)); extern int my_printf_error _VARARGS((uint my_err, const char *format, myf MyFlags, ...)) @@ -661,7 +682,7 @@ extern char *my_tmpdir(MY_TMPDIR *tmpdir); extern void free_tmpdir(MY_TMPDIR *tmpdir); extern void my_remember_signal(int signal_number,sig_handler (*func)(int)); -extern size_t dirname_part(char * to, const char *name, size_t *to_res_length); +extern size_t dirname_part(char * to,const char *name, size_t *to_res_length); extern size_t dirname_length(const char *name); #define base_name(A) (A+dirname_length(A)) extern int test_if_hard_path(const char *dir_name); @@ -709,7 +730,7 @@ extern sig_handler sigtstp_handler(int signal_number); extern void handle_recived_signals(void); extern sig_handler my_set_alarm_variable(int signo); -extern void my_string_ptr_sort(uchar *base, uint items, size_t size); +extern void my_string_ptr_sort(uchar *base,uint items,size_t size); extern void radixsort_for_str_ptr(uchar* base[], uint number_of_elements, size_t size_of_element,uchar *buffer[]); extern qsort_t my_qsort(void *base_ptr, size_t total_elems, size_t size, @@ -777,6 +798,7 @@ extern my_bool insert_dynamic(DYNAMIC_ARRAY *array,uchar * element); extern uchar *alloc_dynamic(DYNAMIC_ARRAY *array); extern uchar *pop_dynamic(DYNAMIC_ARRAY*); extern my_bool set_dynamic(DYNAMIC_ARRAY *array,uchar * element,uint array_index); +extern my_bool allocate_dynamic(DYNAMIC_ARRAY *array, uint max_elements); extern void get_dynamic(DYNAMIC_ARRAY *array,uchar * element,uint array_index); extern void delete_dynamic(DYNAMIC_ARRAY *array); extern void delete_dynamic_element(DYNAMIC_ARRAY *array, uint array_index); @@ -843,11 +865,9 @@ extern int unpackfrm(uchar **, size_t *, const uchar *); extern ha_checksum my_checksum(ha_checksum crc, const uchar *mem, size_t count); -extern uint my_bit_log2(ulong value); -extern uint32 my_round_up_to_next_power(uint32 v); -extern uint my_count_bits(ulonglong v); -extern uint my_count_bits_ushort(ushort v); +extern void my_debug_put_break_here(void); extern void my_sleep(ulong m_seconds); +extern ulong crc32(ulong crc, const uchar *buf, uint len); extern uint my_set_max_open_files(uint files); void my_free_open_file_info(void); @@ -865,7 +885,7 @@ extern int my_getncpus(); #ifndef MAP_NOSYNC #define MAP_NOSYNC 0 #endif -#ifndef MAP_NORESERVE +#ifndef MAP_NORESERVE #define MAP_NORESERVE 0 /* For irix and AIX */ #endif @@ -904,6 +924,19 @@ int my_getpagesize(void); int my_msync(int, void *, size_t, int); +#define MY_UUID_SIZE 16 +void my_uuid_init(ulong seed1, ulong seed2); +void my_uuid(uchar *guid); +void my_uuid_end(); + +struct my_rnd_struct { + unsigned long seed1,seed2,max_value; + double max_value_dbl; +}; + +void my_rnd_init(struct my_rnd_struct *rand_st, ulong seed1, ulong seed2); +double my_rnd(struct my_rnd_struct *rand_st); + /* character sets */ extern uint get_charset_number(const char *cs_name, uint cs_flags); extern uint get_collation_number(const char *name); diff --git a/include/myisam.h b/include/myisam.h index 6a76a298dee..292a0015964 100644 --- a/include/myisam.h +++ b/include/myisam.h @@ -31,33 +31,19 @@ extern "C" { #include "keycache.h" #endif #include "my_handler.h" +#include <myisamchk.h> #include <mysql/plugin.h> /* - There is a hard limit for the maximum number of keys as there are only - 8 bits in the index file header for the number of keys in a table. - This means that 0..255 keys can exist for a table. The idea of - MI_MAX_POSSIBLE_KEY is to ensure that one can use myisamchk & tools on - a MyISAM table for which one has more keys than MyISAM is normally - compiled for. If you don't have this, you will get a core dump when - running myisamchk compiled for 128 keys on a table with 255 keys. + Limit max keys according to HA_MAX_POSSIBLE_KEY; See myisamchk.h for details */ -#define MI_MAX_POSSIBLE_KEY 255 /* For myisam_chk */ -#if MAX_INDEXES > MI_MAX_POSSIBLE_KEY -#define MI_MAX_KEY MI_MAX_POSSIBLE_KEY /* Max allowed keys */ + +#if MAX_INDEXES > HA_MAX_POSSIBLE_KEY +#define MI_MAX_KEY HA_MAX_POSSIBLE_KEY /* Max allowed keys */ #else #define MI_MAX_KEY MAX_INDEXES /* Max allowed keys */ #endif -#define MI_MAX_POSSIBLE_KEY_BUFF (1024+6+6) /* For myisam_chk */ -/* - The following defines can be increased if necessary. - But beware the dependency of MI_MAX_POSSIBLE_KEY_BUFF and MI_MAX_KEY_LENGTH. -*/ -#define MI_MAX_KEY_LENGTH 1000 /* Max length in bytes */ -#define MI_MAX_KEY_SEG 16 /* Max segments for key */ - -#define MI_MAX_KEY_BUFF (MI_MAX_KEY_LENGTH+MI_MAX_KEY_SEG*6+8+8) #define MI_MAX_MSG_BUF 1024 /* used in CHECK TABLE, REPAIR TABLE */ #define MI_NAME_IEXT ".MYI" #define MI_NAME_DEXT ".MYD" @@ -69,8 +55,6 @@ extern "C" { #define MI_MIN_KEY_BLOCK_LENGTH 1024 /* Min key block length */ #define MI_MAX_KEY_BLOCK_LENGTH 16384 -#define mi_portable_sizeof_char_ptr 8 - /* In the following macros '_keyno_' is 0 .. keys-1. If there can be more keys than bits in the key_map, the highest bit @@ -241,7 +225,7 @@ struct st_mi_bit_buff; typedef struct st_columndef /* column information */ { - int16 type; /* en_fieldtype */ + enum en_fieldtype type; uint16 length; /* length of field */ uint32 offset; /* Offset to position in row */ uint8 null_bit; /* If column may be 0 */ @@ -256,9 +240,6 @@ typedef struct st_columndef /* column information */ #endif } MI_COLUMNDEF; -/* invalidator function reference for Query Cache */ -typedef void (* invalidator_by_filename)(const char * filename); - extern char * myisam_log_filename; /* Name of logfile */ extern ulong myisam_block_size; extern ulong myisam_concurrent_insert; @@ -302,7 +283,7 @@ extern int mi_extra(struct st_myisam_info *file, enum ha_extra_function function, void *extra_arg); extern int mi_reset(struct st_myisam_info *file); -extern ha_rows mi_records_in_range(MI_INFO *info, int inx, +extern ha_rows mi_records_in_range(MI_INFO *info,int inx, key_range *min_key, key_range *max_key); extern int mi_log(int activate_log); extern int mi_is_changed(struct st_myisam_info *info); @@ -310,195 +291,117 @@ extern int mi_delete_all_rows(struct st_myisam_info *info); extern ulong _mi_calc_blob_length(uint length , const uchar *pos); extern uint mi_get_pointer_length(ulonglong file_length, uint def); -/* this is used to pass to mysql_myisamchk_table -- by Sasha Pachev */ +/* this is used to pass to mysql_myisamchk_table */ #define MYISAMCHK_REPAIR 1 /* equivalent to myisamchk -r */ #define MYISAMCHK_VERIFY 2 /* Verify, run repair if failure */ -/* - Definitions needed for myisamchk.c - - Entries marked as "QQ to be removed" are NOT used to - pass check/repair options to mi_check.c. They are used - internally by myisamchk.c or/and ha_myisam.cc and should NOT - be stored together with other flags. They should be removed - from the following list to make addition of new flags possible. -*/ - -#define T_AUTO_INC 1 -#define T_AUTO_REPAIR 2 /* QQ to be removed */ -#define T_BACKUP_DATA 4 -#define T_CALC_CHECKSUM 8 -#define T_CHECK 16 /* QQ to be removed */ -#define T_CHECK_ONLY_CHANGED 32 /* QQ to be removed */ -#define T_CREATE_MISSING_KEYS 64 -#define T_DESCRIPT 128 -#define T_DONT_CHECK_CHECKSUM 256 -#define T_EXTEND 512 -#define T_FAST (1L << 10) /* QQ to be removed */ -#define T_FORCE_CREATE (1L << 11) /* QQ to be removed */ -#define T_FORCE_UNIQUENESS (1L << 12) -#define T_INFO (1L << 13) -#define T_MEDIUM (1L << 14) -#define T_QUICK (1L << 15) /* QQ to be removed */ -#define T_READONLY (1L << 16) /* QQ to be removed */ -#define T_REP (1L << 17) -#define T_REP_BY_SORT (1L << 18) /* QQ to be removed */ -#define T_REP_PARALLEL (1L << 19) /* QQ to be removed */ -#define T_RETRY_WITHOUT_QUICK (1L << 20) -#define T_SAFE_REPAIR (1L << 21) -#define T_SILENT (1L << 22) -#define T_SORT_INDEX (1L << 23) /* QQ to be removed */ -#define T_SORT_RECORDS (1L << 24) /* QQ to be removed */ -#define T_STATISTICS (1L << 25) -#define T_UNPACK (1L << 26) -#define T_UPDATE_STATE (1L << 27) -#define T_VERBOSE (1L << 28) -#define T_VERY_SILENT (1L << 29) -#define T_WAIT_FOREVER (1L << 30) -#define T_WRITE_LOOP ((ulong) 1L << 31) - -#define T_REP_ANY (T_REP | T_REP_BY_SORT | T_REP_PARALLEL) - -/* - Flags used by myisamchk.c or/and ha_myisam.cc that are NOT passed - to mi_check.c follows: -*/ - -#define TT_USEFRM 1 -#define TT_FOR_UPGRADE 2 +typedef uint mi_bit_type; -#define O_NEW_INDEX 1 /* Bits set in out_flag */ -#define O_NEW_DATA 2 -#define O_DATA_LOST 4 +typedef struct st_mi_bit_buff +{ /* Used for packing of record */ + mi_bit_type current_byte; + uint bits; + uchar *pos, *end, *blob_pos, *blob_end; + uint error; +} MI_BIT_BUFF; -/* these struct is used by my_check to tell it what to do */ -typedef struct st_sort_key_blocks /* Used when sorting */ +typedef struct st_sort_info { - uchar *buff,*end_pos; - uchar lastkey[MI_MAX_POSSIBLE_KEY_BUFF]; - uint last_length; - int inited; -} SORT_KEY_BLOCKS; - - -/* - MyISAM supports several statistics collection methods. Currently statistics - collection method is not stored in MyISAM file and has to be specified for - each table analyze/repair operation in MI_CHECK::stats_method. -*/ +#ifdef THREAD + /* sync things */ + pthread_mutex_t mutex; + pthread_cond_t cond; +#endif + MI_INFO *info; + HA_CHECK *param; + uchar *buff; + SORT_KEY_BLOCKS *key_block, *key_block_end; + SORT_FT_BUF *ft_buf; + my_off_t filelength, dupp, buff_length; + ha_rows max_records; + uint current_key, total_keys; + uint got_error, threads_running; + myf myf_rw; + enum data_file_type new_data_file_type; +} MI_SORT_INFO; -typedef enum -{ - /* Treat NULLs as inequal when collecting statistics (default for 4.1/5.0) */ - MI_STATS_METHOD_NULLS_NOT_EQUAL, - /* Treat NULLs as equal when collecting statistics (like 4.0 did) */ - MI_STATS_METHOD_NULLS_EQUAL, - /* Ignore NULLs - count only tuples without NULLs in the index components */ - MI_STATS_METHOD_IGNORE_NULLS -} enum_mi_stats_method; - -typedef struct st_mi_check_param +typedef struct st_mi_sort_param { - ulonglong auto_increment_value; - ulonglong max_data_file_length; - ulonglong keys_in_use; - ulonglong max_record_length; - my_off_t search_after_block; - my_off_t new_file_pos,key_file_blocks; - my_off_t keydata,totaldata,key_blocks,start_check_pos; - ha_rows total_records,total_deleted; - ha_checksum record_checksum,glob_crc; - ulong use_buffers,read_buffer_length,write_buffer_length, - sort_buffer_length,sort_key_blocks; - uint out_flag,warning_printed,error_printed,verbose; - uint opt_sort_key,total_files,max_level; - uint testflag, key_cache_block_size; - uint8 language; - my_bool using_global_keycache, opt_lock_memory, opt_follow_links; - my_bool retry_repair, force_sort; - char temp_filename[FN_REFLEN],*isam_file_name; - MY_TMPDIR *tmpdir; - int tmpfile_createflag; - myf myf_rw; - IO_CACHE read_cache; + pthread_t thr; + IO_CACHE read_cache, tempfile, tempfile_for_exceptions; + DYNAMIC_ARRAY buffpek; + MI_BIT_BUFF bit_buff; /* For parallel repair of packrec. */ + MI_KEYDEF *keyinfo; + MI_SORT_INFO *sort_info; + HA_KEYSEG *seg; + uchar **sort_keys; + uchar *rec_buff; + void *wordlist, *wordptr; + MEM_ROOT wordroot; + uchar *record; + MY_TMPDIR *tmpdir; + /* The next two are used to collect statistics, see update_key_parts for description. */ - ulonglong unique_count[MI_MAX_KEY_SEG+1]; - ulonglong notnull_count[MI_MAX_KEY_SEG+1]; - - ha_checksum key_crc[MI_MAX_POSSIBLE_KEY]; - ulong rec_per_key_part[MI_MAX_KEY_SEG*MI_MAX_POSSIBLE_KEY]; - void *thd; - const char *db_name, *table_name; - const char *op_name; - enum_mi_stats_method stats_method; -} MI_CHECK; - -typedef struct st_sort_ft_buf -{ - uchar *buf, *end; - int count; - uchar lastkey[MI_MAX_KEY_BUFF]; -} SORT_FT_BUF; + ulonglong unique[HA_MAX_KEY_SEG+1]; + ulonglong notnull[HA_MAX_KEY_SEG+1]; + + my_off_t pos,max_pos,filepos,start_recpos; + uint key, key_length,real_key_length,sortbuff_size; + uint maxbuffers, keys, find_length, sort_keys_length; + my_bool fix_datafile, master; + my_bool calc_checksum; /* calculate table checksum */ + + int (*key_cmp)(struct st_mi_sort_param *, const void *, const void *); + int (*key_read)(struct st_mi_sort_param *,void *); + int (*key_write)(struct st_mi_sort_param *, const void *); + void (*lock_in_memory)(HA_CHECK *); + NEAR int (*write_keys)(struct st_mi_sort_param *, register uchar **, + uint , struct st_buffpek *, IO_CACHE *); + NEAR uint (*read_to_buffer)(IO_CACHE *,struct st_buffpek *, uint); + NEAR int (*write_key)(struct st_mi_sort_param *, IO_CACHE *,uchar *, + uint, uint); +} MI_SORT_PARAM; -typedef struct st_sort_info -{ - my_off_t filelength,dupp,buff_length; - ha_rows max_records; - uint current_key, total_keys; - myf myf_rw; - enum data_file_type new_data_file_type; - MI_INFO *info; - MI_CHECK *param; - uchar *buff; - SORT_KEY_BLOCKS *key_block,*key_block_end; - SORT_FT_BUF *ft_buf; - /* sync things */ - uint got_error, threads_running; -#ifdef THREAD - pthread_mutex_t mutex; - pthread_cond_t cond; -#endif -} SORT_INFO; /* functions in mi_check */ -void myisamchk_init(MI_CHECK *param); -int chk_status(MI_CHECK *param, MI_INFO *info); -int chk_del(MI_CHECK *param, register MI_INFO *info, uint test_flag); -int chk_size(MI_CHECK *param, MI_INFO *info); -int chk_key(MI_CHECK *param, MI_INFO *info); -int chk_data_link(MI_CHECK *param, MI_INFO *info,int extend); -int mi_repair(MI_CHECK *param, register MI_INFO *info, +void myisamchk_init(HA_CHECK *param); +int chk_status(HA_CHECK *param, MI_INFO *info); +int chk_del(HA_CHECK *param, register MI_INFO *info, uint test_flag); +int chk_size(HA_CHECK *param, MI_INFO *info); +int chk_key(HA_CHECK *param, MI_INFO *info); +int chk_data_link(HA_CHECK *param, MI_INFO *info,int extend); +int mi_repair(HA_CHECK *param, register MI_INFO *info, char * name, int rep_quick); -int mi_sort_index(MI_CHECK *param, register MI_INFO *info, char * name); -int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info, +int mi_sort_index(HA_CHECK *param, register MI_INFO *info, char * name); +int mi_repair_by_sort(HA_CHECK *param, register MI_INFO *info, const char * name, int rep_quick); -int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info, +int mi_repair_parallel(HA_CHECK *param, register MI_INFO *info, const char * name, int rep_quick); int change_to_newfile(const char * filename, const char * old_ext, const char * new_ext, uint raid_chunks, myf myflags); -int lock_file(MI_CHECK *param, File file, my_off_t start, int lock_type, +int lock_file(HA_CHECK *param, File file, my_off_t start, int lock_type, const char *filetype, const char *filename); -void lock_memory(MI_CHECK *param); -void update_auto_increment_key(MI_CHECK *param, MI_INFO *info, +void lock_memory(HA_CHECK *param); +void update_auto_increment_key(HA_CHECK *param, MI_INFO *info, my_bool repair); -int update_state_info(MI_CHECK *param, MI_INFO *info,uint update); +int update_state_info(HA_CHECK *param, MI_INFO *info,uint update); void update_key_parts(MI_KEYDEF *keyinfo, ulong *rec_per_key_part, ulonglong *unique, ulonglong *notnull, ulonglong records); -int filecopy(MI_CHECK *param, File to,File from,my_off_t start, +int filecopy(HA_CHECK *param, File to,File from,my_off_t start, my_off_t length, const char *type); int movepoint(MI_INFO *info,uchar *record,my_off_t oldpos, my_off_t newpos, uint prot_key); -int write_data_suffix(SORT_INFO *sort_info, my_bool fix_datafile); +int write_data_suffix(MI_SORT_INFO *sort_info, my_bool fix_datafile); int test_if_almost_full(MI_INFO *info); -int recreate_table(MI_CHECK *param, MI_INFO **org_info, char *filename); +int recreate_table(HA_CHECK *param, MI_INFO **org_info, char *filename); void mi_disable_non_unique_index(MI_INFO *info, ha_rows rows); my_bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows, ulonglong key_map, my_bool force); @@ -512,6 +415,13 @@ void mi_change_key_cache(KEY_CACHE *old_key_cache, KEY_CACHE *new_key_cache); int mi_preload(MI_INFO *info, ulonglong key_map, my_bool ignore_leaves); +int write_data_suffix(MI_SORT_INFO *sort_info, my_bool fix_datafile); +int flush_pending_blocks(MI_SORT_PARAM *param); +int sort_ft_buf_flush(MI_SORT_PARAM *sort_param); +int thr_write_keys(MI_SORT_PARAM *sort_param); +int sort_write_record(MI_SORT_PARAM *sort_param); +int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages, ulong); + #ifdef __cplusplus } #endif diff --git a/include/myisamchk.h b/include/myisamchk.h new file mode 100644 index 00000000000..3c5d59884be --- /dev/null +++ b/include/myisamchk.h @@ -0,0 +1,166 @@ +/* Copyright (C) 2006 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +/* Definitions needed for myisamchk/mariachk.c */ + +/* + Entries marked as "QQ to be removed" are NOT used to + pass check/repair options to xxx_check.c. They are used + internally by xxxchk.c or/and ha_xxxx.cc and should NOT + be stored together with other flags. They should be removed + from the following list to make addition of new flags possible. +*/ + +#ifndef _myisamchk_h +#define _myisamchk_h + +#define T_AUTO_INC 1 +#define T_AUTO_REPAIR 2 /* QQ to be removed */ +#define T_BACKUP_DATA 4 +#define T_CALC_CHECKSUM 8 +#define T_CHECK 16 /* QQ to be removed */ +#define T_CHECK_ONLY_CHANGED 32 /* QQ to be removed */ +#define T_CREATE_MISSING_KEYS 64 +#define T_DESCRIPT 128 +#define T_DONT_CHECK_CHECKSUM 256 +#define T_EXTEND 512 +#define T_FAST (1L << 10) /* QQ to be removed */ +#define T_FORCE_CREATE (1L << 11) /* QQ to be removed */ +#define T_FORCE_UNIQUENESS (1L << 12) +#define T_INFO (1L << 13) +#define T_MEDIUM (1L << 14) +#define T_QUICK (1L << 15) /* QQ to be removed */ +#define T_READONLY (1L << 16) /* QQ to be removed */ +#define T_REP (1L << 17) +#define T_REP_BY_SORT (1L << 18) /* QQ to be removed */ +#define T_REP_PARALLEL (1L << 19) /* QQ to be removed */ +#define T_RETRY_WITHOUT_QUICK (1L << 20) +#define T_SAFE_REPAIR (1L << 21) +#define T_SILENT (1L << 22) +#define T_SORT_INDEX (1L << 23) /* QQ to be removed */ +#define T_SORT_RECORDS (1L << 24) /* QQ to be removed */ +#define T_STATISTICS (1L << 25) +#define T_UNPACK (1L << 26) +#define T_UPDATE_STATE (1L << 27) +#define T_VERBOSE (1L << 28) +#define T_VERY_SILENT (1L << 29) +#define T_WAIT_FOREVER (1L << 30) +#define T_WRITE_LOOP ((ulong) 1L << 31) + +#define T_REP_ANY (T_REP | T_REP_BY_SORT | T_REP_PARALLEL) + +/* + Flags used by xxxxchk.c or/and ha_xxxx.cc that are NOT passed + to xxxcheck.c follows: +*/ + +#define TT_USEFRM 1 +#define TT_FOR_UPGRADE 2 + +#define O_NEW_INDEX 1 /* Bits set in out_flag */ +#define O_NEW_DATA 2 +#define O_DATA_LOST 4 + +typedef struct st_sort_key_blocks /* Used when sorting */ +{ + uchar *buff, *end_pos; + uchar lastkey[HA_MAX_POSSIBLE_KEY_BUFF]; + uint last_length; + int inited; +} SORT_KEY_BLOCKS; + + +/* + MARIA/MYISAM supports several statistics collection + methods. Currently statistics collection method is not stored in + MARIA file and has to be specified for each table analyze/repair + operation in MI_CHECK::stats_method. +*/ + +typedef enum +{ + /* Treat NULLs as inequal when collecting statistics (default for 4.1/5.0) */ + MI_STATS_METHOD_NULLS_NOT_EQUAL, + /* Treat NULLs as equal when collecting statistics (like 4.0 did) */ + MI_STATS_METHOD_NULLS_EQUAL, + /* Ignore NULLs - count only tuples without NULLs in the index components */ + MI_STATS_METHOD_IGNORE_NULLS +} enum_handler_stats_method; + + +typedef struct st_handler_check_param +{ + char *isam_file_name; + MY_TMPDIR *tmpdir; + void *thd; + const char *db_name, *table_name, *op_name; + ulonglong auto_increment_value; + ulonglong max_data_file_length; + ulonglong keys_in_use; + ulonglong max_record_length; + /* + The next two are used to collect statistics, see update_key_parts for + description. + */ + ulonglong unique_count[HA_MAX_KEY_SEG + 1]; + ulonglong notnull_count[HA_MAX_KEY_SEG + 1]; + + my_off_t search_after_block; + my_off_t new_file_pos, key_file_blocks; + my_off_t keydata, totaldata, key_blocks, start_check_pos; + my_off_t used, empty, splits, del_length, link_used; + ha_rows total_records, total_deleted, records,del_blocks; + ha_rows full_page_count, tail_count; + ha_checksum record_checksum, glob_crc; + ha_checksum key_crc[HA_MAX_POSSIBLE_KEY]; + ha_checksum tmp_key_crc[HA_MAX_POSSIBLE_KEY]; + ha_checksum tmp_record_checksum; + ulonglong org_key_map; + size_t use_buffers, read_buffer_length, write_buffer_length; + size_t sort_buffer_length, sort_key_blocks; + ulong rec_per_key_part[HA_MAX_KEY_SEG * HA_MAX_POSSIBLE_KEY]; + double new_rec_per_key_part[HA_MAX_KEY_SEG * HA_MAX_POSSIBLE_KEY]; + uint out_flag, warning_printed, error_printed, verbose; + uint opt_sort_key, total_files, max_level; + uint testflag, key_cache_block_size, pagecache_block_size; + int tmpfile_createflag, err_count; + myf myf_rw; + uint8 language; + my_bool using_global_keycache, opt_lock_memory, opt_follow_links; + my_bool retry_repair, force_sort, calc_checksum, static_row_size; + char temp_filename[FN_REFLEN]; + IO_CACHE read_cache; + enum_handler_stats_method stats_method; +} HA_CHECK; + + +typedef struct st_sort_ftbuf +{ + uchar *buf, *end; + int count; + uchar lastkey[HA_MAX_KEY_BUFF]; +} SORT_FT_BUF; + + +typedef struct st_buffpek { + my_off_t file_pos; /* Where we are in the sort file */ + uchar *base, *key; /* Key pointers */ + ha_rows count; /* Number of rows in table */ + ulong mem_count; /* numbers of keys in memory */ + ulong max_keys; /* Max keys in buffert */ +} BUFFPEK; + +#endif /* _myisamchk_h */ diff --git a/include/mysql_com.h b/include/mysql_com.h index 7eefad44716..06f568fe06b 100644 --- a/include/mysql_com.h +++ b/include/mysql_com.h @@ -365,11 +365,7 @@ void my_net_set_read_timeout(NET *net, uint timeout); struct sockaddr; int my_connect(my_socket s, const struct sockaddr *name, unsigned int namelen, unsigned int timeout); - -struct rand_struct { - unsigned long seed1,seed2,max_value; - double max_value_dbl; -}; +struct my_rnd_struct; #ifdef __cplusplus } @@ -423,10 +419,8 @@ extern "C" { implemented in sql/password.c */ -void randominit(struct rand_struct *, unsigned long seed1, - unsigned long seed2); -double my_rnd(struct rand_struct *); -void create_random_string(char *to, unsigned int length, struct rand_struct *rand_st); +void create_random_string(char *to, unsigned int length, + struct my_rnd_struct *rand_st); void hash_password(unsigned long *to, const char *password, unsigned int password_len); void make_scrambled_password_323(char *to, const char *password); diff --git a/include/wqueue.h b/include/wqueue.h new file mode 100644 index 00000000000..bacabb8c401 --- /dev/null +++ b/include/wqueue.h @@ -0,0 +1,26 @@ + +#ifndef _wqueue_h +#define _wqueue_h + +#include <my_global.h> +#include <my_pthread.h> + +/* info about requests in a waiting queue */ +typedef struct st_pagecache_wqueue +{ + struct st_my_thread_var *last_thread; /* circular list of waiting + threads */ +} WQUEUE; + +#ifdef THREAD +void wqueue_link_into_queue(WQUEUE *wqueue, struct st_my_thread_var *thread); +void wqueue_unlink_from_queue(WQUEUE *wqueue, struct st_my_thread_var *thread); +void wqueue_add_to_queue(WQUEUE *wqueue, struct st_my_thread_var *thread); +void wqueue_add_and_wait(WQUEUE *wqueue, + struct st_my_thread_var *thread, + pthread_mutex_t *lock); +void wqueue_release_queue(WQUEUE *wqueue); + +#endif + +#endif |