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base: Windows heim_base_once_t cleanup

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heim_base_once_t can just be a LONG on Windows, the structure is not needed
This commit is contained in:
Luke Howard
2015-11-30 17:34:32 +11:00
parent cc0e92a3c3
commit 9e359ac98f
2 changed files with 6 additions and 9 deletions
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6
lib/base/heimbase.c
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@@ -374,10 +374,10 @@ heim_base_once_f(heim_base_once_t *once, void *ctx, void (*func)(void *))
* State 1 means that func() is executing.
* State 2 means that func() has completed execution.
*/
if (InterlockedCompareExchange(&once->state, 1L, 0L) == 0L) {
if (InterlockedCompareExchange(once, 1L, 0L) == 0L) {
/* State is now 1 */
(*func)(ctx);
(void)InterlockedExchange(&once->state, 2L);
(void)InterlockedExchange(once, 2L);
/* State is now 2 */
} else {
/*
@@ -385,7 +385,7 @@ heim_base_once_f(heim_base_once_t *once, void *ctx, void (*func)(void *))
* the current state under a full memory barrier. As long
* as the current state is 1 continue to spin.
*/
while (InterlockedCompareExchange(&once->state, 2L, 0L) == 1L)
while (InterlockedCompareExchange(once, 2L, 0L) == 1L)
SwitchToThread();
}
#elif defined(HAVE_DISPATCH_DISPATCH_H)

9
lib/base/heimbase.h
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@@ -56,13 +56,10 @@ typedef void * heim_object_t;
typedef unsigned int heim_tid_t;
typedef heim_object_t heim_bool_t;
typedef heim_object_t heim_null_t;
#if defined(WIN32)
typedef struct {
LONG state;
} heim_base_once_t;
# define HEIM_BASE_ONCE_INIT {0L}
#else
# define HEIM_BASE_ONCE_INIT 0
#ifdef WIN32
typedef LONG heim_base_once_t;
#else
typedef long heim_base_once_t; /* XXX arch dependant */
#endif