mirror of https://github.com/diegocr/libnix.git
37 lines
634 B
C
37 lines
634 B
C
|
|
/**
|
|
* POSIX Semaphores Emulation for AmigaOS
|
|
* Copyright (C)2009 Diego Casorran
|
|
*
|
|
* Public Domain as long this copyright notice is left unchanged.
|
|
*
|
|
* Implementation conforms to POSIX.1-2008 where possible.
|
|
*/
|
|
|
|
#include "psem.h"
|
|
#include <string.h> /* memset */
|
|
|
|
int sem_close (sem_t *__sem)
|
|
{
|
|
psem_t *sem = sem2psem(__sem);
|
|
|
|
ENTER();
|
|
POINTER(sem);
|
|
|
|
if(_PSEM_INVALID(sem))
|
|
{
|
|
DBG("Invalid sem_t provided, magic=%lx\n",((psem_t *)__sem)->magic);
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if(!(sem->flags & SEMF_UNNAMED))
|
|
{
|
|
psem_destroy(sem);
|
|
memset(__sem,_PSEM_ERASEDBIT,sizeof(*__sem));
|
|
}
|
|
|
|
LEAVE();
|
|
return(0);
|
|
}
|