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plat_sem_destroy(&q->items_sem);

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amir
2026-03-09 17:27:45 +01:00
parent 7d8b4addb7
commit f3c4cb7b76
3 changed files with 63 additions and 6 deletions
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14
lf_mpmc.h
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@@ -23,6 +23,9 @@ static void cpu_pause(void) {
_mm_pause();
#endif
}
typedef struct plat_sem plat_sem;
typedef struct CACHE_ALIGN {
atomic_size_t seq;
void *data;
@@ -40,7 +43,7 @@ typedef struct {
size_t commit_step;
atomic_flag commit_lock;
HANDLE items_sem;
plat_sem items_sem;
MPMCSlot *slots;
} MPMCQueue;
@@ -87,7 +90,7 @@ static void mpmc_init(MPMCQueue *q, size_t max_capacity) {
atomic_init(&q->head, 0);
atomic_init(&q->tail, 0);
q->items_sem = CreateSemaphore(NULL, 0, LONG_MAX, NULL);
plat_sem_init(&q->items_sem, 0);
}
/* ----------------------------------------------------------- */
@@ -176,7 +179,7 @@ static void mpmc_push(MPMCQueue *q, void *item) {
atomic_store_explicit(&slot->seq, pos + 1, memory_order_release);
ReleaseSemaphore(q->items_sem, 1, NULL);
plat_sem_post(&q->items_sem, 1);
}
/* ----------------------------------------------------------- */
@@ -184,7 +187,7 @@ static void mpmc_push(MPMCQueue *q, void *item) {
/* ----------------------------------------------------------- */
static void *mpmc_pop(MPMCQueue *q) {
WaitForSingleObject(q->items_sem, INFINITE);
plat_sem_wait(&q->items_sem);
MPMCSlot *slot;
size_t pos;
@@ -249,8 +252,7 @@ static void mpmc_finish(MPMCQueue *q) {
q->slots = NULL;
}
if (q->items_sem)
CloseHandle(q->items_sem);
plat_sem_destroy(&q->items_sem);
q->capacity = 0;
q->mask = 0;