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/*
* mq_unlink.c - remove a message queue.
*/
#include <errno.h>
#include <sys/syscall.h>
#include <mqueue.h>
#ifdef __NR_mq_unlink
#define __NR___syscall_mq_unlink __NR_mq_unlink
static inline _syscall1(int, __syscall_mq_unlink, const char *, name);
/* Remove message queue */
int mq_unlink(const char *name)
{
int ret;
if (name[0] != '/') {
__set_errno(EINVAL);
return -1;
}
ret = __syscall_mq_unlink(name + 1);
/* While unlink can return either EPERM or EACCES, mq_unlink should return just EACCES. */
if (ret < 0) {
ret = errno;
if (ret == EPERM)
ret = EACCES;
__set_errno(ret);
ret = -1;
}
return ret;
}
#endif
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