74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
#include "sys_config.h"
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#include "typesdef.h"
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#include "errno.h"
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#include "osal/semaphore.h"
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#include "osal/task.h"
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#include "osal/string.h"
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#include "osal/timer.h"
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#include "osal/mutex.h"
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#include "lib/common/rbuffer.h"
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#include "lib/posix/pthread.h"
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#ifdef TXWSDK_POSIX
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int sem_destroy(sem_t *sem)
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{
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struct os_semaphore *s = (struct os_semaphore *)(*sem);
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if (os_sema_del(s) < 0) {
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return -1;
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}
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os_free(s);
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return 0;
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}
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int sem_getvalue(sem_t *sem, int *sval)
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{
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*sval = os_sema_count((struct os_semaphore *)(*sem));
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return 0;
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}
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int sem_init(sem_t *sem, int pshared, unsigned value)
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{
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struct os_semaphore *s;
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if (sem == NULL) {
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return -EINVAL;
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}
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s = (struct os_semaphore *)os_zalloc(sizeof(struct os_semaphore));
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if (s == NULL) {
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pthread_err("alloc fail\r\n");
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return -ENOMEM;
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}
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if (os_sema_init(s, value) < 0) {
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os_free(s);
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return -1;
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}
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*sem = (sem_t)s;
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return 0;
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}
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int sem_post(sem_t *sem)
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{
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return os_sema_up((struct os_semaphore *)(*sem));
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}
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int sem_timedwait(sem_t *sem, const struct timespec *abstime)
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{
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return (os_sema_down((struct os_semaphore *)(*sem), pthread_timespec_delta(abstime)) == 1 ? 0 : -1);
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}
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int sem_trywait(sem_t *sem)
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{
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return (os_sema_down((struct os_semaphore *)(*sem), 0) == 1 ? 0 : -1);
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}
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int sem_wait(sem_t *sem)
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{
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return (os_sema_down((struct os_semaphore *)(*sem), osWaitForever) == 1 ? 0 : -1);
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}
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#endif
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