summaryrefslogtreecommitdiff
path: root/include/my_atomic.h
diff options
context:
space:
mode:
authorunknown <serg@serg.mylan>2006-06-17 16:20:39 +0200
committerunknown <serg@serg.mylan>2006-06-17 16:20:39 +0200
commitd1fb292251fc6ba5a455e39d59dad5f7d0d0023f (patch)
tree1ed4d5cf639665eb2901d57998183b18637eab1a /include/my_atomic.h
parent0d8d39c8c6ff44e54e0b7869c7497e79ff4d697f (diff)
downloadmariadb-git-d1fb292251fc6ba5a455e39d59dad5f7d0d0023f.tar.gz
atomic ops:
my_atomic_XX_t -> intXX, no implicit locking anymore simplified framework, support for requested cleanups dbug/dbug.c: compiler warning include/atomic/nolock.h: my_atomic_XX_t -> intXX include/atomic/rwlock.h: my_atomic_XX_t -> intXX, no implicit locking anymore include/atomic/x86-gcc.h: my_atomic_XX_t -> intXX, no implicit locking anymore include/atomic/x86-msvc.h: my_atomic_XX_t -> intXX simplified defines support for cleanups include/my_atomic.h: my_atomic_XX_t -> intXX, no implicit locking anymore simplified framework, support for requested cleanups unittest/examples/no_plan-t.c: compiler warning unittest/mysys/Makefile.am: fix for dependencies unittest/mysys/my_atomic-t.c: my_atomic_XX_t -> intXX, no implicit locking anymore unittest/mytap/tap.c: cosmetic fix
Diffstat (limited to 'include/my_atomic.h')
-rw-r--r--include/my_atomic.h113
1 files changed, 99 insertions, 14 deletions
diff --git a/include/my_atomic.h b/include/my_atomic.h
index 091edc0f57b..877443fe705 100644
--- a/include/my_atomic.h
+++ b/include/my_atomic.h
@@ -14,21 +14,9 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-#ifndef atomic_rwlock_init
-
-#ifdef MY_ATOMIC_EXTRA_DEBUG
-#ifndef MY_ATOMIC_MODE_RWLOCKS
-#error MY_ATOMIC_EXTRA_DEBUG can be only used with MY_ATOMIC_MODE_RWLOCKS
-#endif
-#define LOCK_PTR void *rw;
-#else
-#define LOCK_PTR
-#endif
+#ifndef my_atomic_rwlock_init
-typedef volatile struct {uint8 val; LOCK_PTR} my_atomic_8_t;
-typedef volatile struct {uint16 val; LOCK_PTR} my_atomic_16_t;
-typedef volatile struct {uint32 val; LOCK_PTR} my_atomic_32_t;
-typedef volatile struct {uint64 val; LOCK_PTR} my_atomic_64_t;
+#define intptr void *
#ifndef MY_ATOMIC_MODE_RWLOCKS
#include "atomic/nolock.h"
@@ -38,6 +26,103 @@ typedef volatile struct {uint64 val; LOCK_PTR} my_atomic_64_t;
#include "atomic/rwlock.h"
#endif
+#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_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_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_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_store(S) \
+static inline void my_atomic_store ## S( \
+ int ## S volatile *a, int ## S 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_swap(S) \
+extern int ## S my_atomic_swap ## S(int ## S volatile *a, int ## S v);
+
+#define make_atomic_cas(S) \
+extern int my_atomic_cas ## S(int ## S volatile *a, int ## S *cmp, int ## S set);
+
+#define make_atomic_load(S) \
+extern int ## S my_atomic_load ## S(int ## S volatile *a);
+
+#define make_atomic_store(S) \
+extern void my_atomic_store ## S(int ## S volatile *a, int ## S v);
+
+#endif
+
+make_atomic_add( 8)
+make_atomic_add(16)
+make_atomic_add(32)
+
+make_atomic_cas( 8)
+make_atomic_cas(16)
+make_atomic_cas(32)
+make_atomic_cas(ptr)
+
+make_atomic_load( 8)
+make_atomic_load(16)
+make_atomic_load(32)
+make_atomic_load(ptr)
+
+make_atomic_store( 8)
+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)
+
+#undef make_atomic_add
+#undef make_atomic_cas
+#undef make_atomic_load
+#undef make_atomic_store
+#undef make_atomic_swap
+#undef intaptr
+
+#ifdef _atomic_h_cleanup_
+#include _atomic_h_cleanup_
+#undef _atomic_h_cleanup_
+#endif
+
#define MY_ATOMIC_OK 0
#define MY_ATOMIC_NOT_1CPU 1
extern int my_atomic_initialize();