manager clean-up ( added pid-file and kill in mysql-test-run when things go wrong)

fixes for IO_CACHE
need to pull Monty's fixes - this is not final, will not be pushed


include/my_sys.h:
   IO_CACHE fixes
mysql-test/mysql-test-run.sh:
  manager clean-up
mysys/mf_iocache.c:
  IO_CACHE fix
sql/mysqld.cc:
  more debug messages
tools/mysqlmanager.c:
  added pid-file

1 files changed, 20 insertions, 11 deletions

diff --git a/include/my_sys.h b/include/my_sys.h
index 5174425006d..f9df265df0f 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -311,13 +311,15 @@ typedef struct st_io_cache		/* Used when cacheing files */
 			     that will use a buffer allocated somewhere
 			     else
 			   */
-  byte *append_buffer, *append_read_pos, *append_write_pos, *append_end;
+  byte *append_buffer, *append_read_pos, *write_pos, *append_end,
+    *write_end;
 /* for append buffer used in READ_APPEND cache */
 #ifdef THREAD
   pthread_mutex_t append_buffer_lock;
   /* need mutex copying from append buffer to read buffer */
 #endif  
   int (*read_function)(struct st_io_cache *,byte *,uint);
+  int (*write_function)(struct st_io_cache *,const byte *,uint);
   /* callbacks when the actual read I/O happens */
   IO_CACHE_CALLBACK pre_read;
   IO_CACHE_CALLBACK post_read;
@@ -352,21 +354,19 @@ typedef int (*qsort2_cmp)(const void *, const void *, const void *);
     ((info)->rc_pos+=(Count)),0) :\
    (*(info)->read_function)((info),Buffer,Count))
 
+#define my_b_write(info,Buffer,Count) \
+ ((info)->write_pos + (Count) <=(info)->write_end ?\
+  (memcpy((info)->write_pos, (Buffer), (size_t)(Count)),\
+   ((info)->write_pos+=(Count)),0) : \
+   (*(info)->write_function)((info),(Buffer),(Count)))
+  
+ 
+
 #define my_b_get(info) \
   ((info)->rc_pos != (info)->rc_end ?\
    ((info)->rc_pos++, (int) (uchar) (info)->rc_pos[-1]) :\
    _my_b_get(info))
 
-#define my_b_write(info,Buffer,Count) \
-  ((info)->type != SEQ_READ_APPEND) ? (\
-  ((info)->rc_pos + (Count) <= (info)->rc_end ?\
-   (memcpy((info)->rc_pos,Buffer,(size_t) (Count)), \
-    ((info)->rc_pos+=(Count)),0) :\
-   _my_b_write(info,Buffer,Count))) : \
-   ((info)->append_write_pos + (Count) <= (info)->append_end ?\
-   (memcpy((info)->append_write_pos,Buffer,(size_t)Count), \
-   ((info)->append_write_pos+=(Count),0)) : \
-   _my_b_append(info,Buffer,Count))
 
 	/* my_b_write_byte dosn't have any err-check */
 #define my_b_write_byte(info,chr) \
@@ -650,6 +650,7 @@ byte *my_compress_alloc(const byte *packet, ulong *len, ulong *complen);
 ulong checksum(const byte *mem, uint count);
 uint my_bit_log2(ulong value);
 
+
 #if defined(_MSC_VER) && !defined(__WIN__)
 extern void sleep(int sec);
 #endif
@@ -662,3 +663,11 @@ extern my_bool have_tcpip;		/* Is set if tcpip is used */
 #endif
 #include "raid.h"
 #endif /* _my_sys_h */
+
+
+
+
+
+
+
+