sem_close - close a named semaphore
int sem_close(sem_t *sem);
Link with -pthread.
sem_close() closes the named semaphore referred to by sem, allowing any resources that the system has allocated to the calling process for this semaphore to be freed.
On success sem_close() returns 0; on error, -1 is returned, with errno set to indicate the error.
For an explanation of the terms used in this section, see attributes(7).
- sem is not a valid semaphore.
|Interface ||Attribute ||Value |
|sem_close () ||Thread safety ||MT-Safe |
All open named semaphores are automatically closed on process termination, or upon execve(2).