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This commit is contained in:
gingerBill
2019-09-01 22:18:55 +01:00
parent 657103c4cf
commit 97dece15d7
3 changed files with 26 additions and 12 deletions
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src/gb/gb.h
+24 -7
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@@ -918,7 +918,10 @@ GB_DEF void gb_lfence (void);
#if defined(GB_SYSTEM_WINDOWS)
typedef struct gbSemaphore { void *win32_handle; } gbSemaphore;
typedef struct gbSemaphore {
void *win32_handle;
LONG count;
} gbSemaphore;
#elif defined(GB_SYSTEM_OSX)
typedef struct gbSemaphore { semaphore_t osx_handle; } gbSemaphore;
#elif defined(GB_SYSTEM_UNIX)
@@ -930,7 +933,7 @@ typedef struct gbSemaphore { sem_t unix_handle; } gbSemaphore;
GB_DEF void gb_semaphore_init (gbSemaphore *s);
GB_DEF void gb_semaphore_destroy(gbSemaphore *s);
GB_DEF void gb_semaphore_post (gbSemaphore *s, i32 count);
GB_DEF void gb_semaphore_release(gbSemaphore *s); // NOTE(bill): gb_semaphore_post(s, 1)
GB_DEF void gb_semaphore_release(gbSemaphore *s);
GB_DEF void gb_semaphore_wait (gbSemaphore *s);
@@ -4588,10 +4591,24 @@ gb_inline void gb_lfence(void) {
gb_inline void gb_semaphore_release(gbSemaphore *s) { gb_semaphore_post(s, 1); }
#if defined(GB_SYSTEM_WINDOWS)
gb_inline void gb_semaphore_init (gbSemaphore *s) { s->win32_handle = CreateSemaphoreA(NULL, 0, I32_MAX, NULL); }
gb_inline void gb_semaphore_destroy(gbSemaphore *s) { CloseHandle(s->win32_handle); }
gb_inline void gb_semaphore_post (gbSemaphore *s, i32 count) { ReleaseSemaphore(s->win32_handle, count, NULL); }
gb_inline void gb_semaphore_wait (gbSemaphore *s) { WaitForSingleObjectEx(s->win32_handle, INFINITE, FALSE); }
gb_inline void gb_semaphore_init(gbSemaphore *s) {
s->win32_handle = CreateSemaphoreA(NULL, 0, I32_MAX, NULL);
s->count = 0;
}
gb_inline void gb_semaphore_destroy(gbSemaphore *s) {
CloseHandle(s->win32_handle);
}
gb_inline void gb_semaphore_post(gbSemaphore *s, i32 count) {
_InterlockedIncrement(&s->count);
if (ReleaseSemaphore(s->win32_handle, count, NULL) == FALSE) {
_InterlockedDecrement(&s->count);
}
}
gb_inline void gb_semaphore_wait(gbSemaphore *s) {
if (WaitForSingleObjectEx(s->win32_handle, INFINITE, FALSE) == WAIT_OBJECT_0) {
_InterlockedDecrement(&s->count);
}
}
#elif defined(GB_SYSTEM_OSX)
gb_inline void gb_semaphore_init (gbSemaphore *s) { semaphore_create(mach_task_self(), &s->osx_handle, SYNC_POLICY_FIFO, 0); }
@@ -8975,7 +8992,7 @@ gb_inline void gb_exit(u32 code) { exit(code); }
gb_inline void gb_yield(void) {
#if defined(GB_SYSTEM_WINDOWS)
Sleep(0);
YieldProcessor();
#else
sched_yield();
#endif