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[fix] memory leak when the value of posix semaphore is zero.

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This commit is contained in:
liuxianliang 2022-07-05 10:36:53 +08:00 committed by guo
parent d3139706e4
commit a305edd4db
1 changed files with 7 additions and 6 deletions
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13
components/libc/posix/ipc/semaphore.c
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@ -39,7 +39,9 @@ static void posix_sem_delete(sem_t *psem)
posix_sem_list = psem->next;
rt_sem_delete(psem->sem);
rt_free(psem);
if(psem->unamed == 0)
rt_free(psem);
return;
}
@ -55,7 +57,9 @@ static void posix_sem_delete(sem_t *psem)
/* delete RT-Thread mqueue */
rt_sem_delete(psem->sem);
rt_free(psem);
if(psem->unamed == 0)
rt_free(psem);
return ;
}
@ -107,8 +111,6 @@ RTM_EXPORT(sem_close);
int sem_destroy(sem_t *sem)
{
rt_err_t result;
if ((!sem) || !(sem->unamed))
{
rt_set_errno(EINVAL);
@ -118,8 +120,7 @@ int sem_destroy(sem_t *sem)
/* lock posix semaphore list */
rt_sem_take(&posix_sem_lock, RT_WAITING_FOREVER);
result = rt_sem_trytake(sem->sem);
if (result != RT_EOK)
if(rt_list_len(&sem->sem->parent.suspend_thread) != 0)
{
rt_sem_release(&posix_sem_lock);
rt_set_errno(EBUSY);