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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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| Rev 207 |
Rev 520 |
/* Copyright 2002, Red Hat Inc. */
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/* Copyright 2002, Red Hat Inc. */
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#include <mqueue.h>
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#include <mqueue.h>
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#include <errno.h>
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#include <errno.h>
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#include <sys/sem.h>
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#include <sys/sem.h>
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#define _LIBC 1
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#define _LIBC 1
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#include <sys/lock.h>
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#include <sys/lock.h>
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#undef _LIBC
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#undef _LIBC
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#include "mqlocal.h"
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#include "mqlocal.h"
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int
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int
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mq_close (mqd_t msgid)
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mq_close (mqd_t msgid)
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{
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{
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struct libc_mq *info;
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struct libc_mq *info;
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struct sembuf sb0 = {0, -1, 0};
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struct sembuf sb0 = {0, -1, 0};
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int rc;
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int rc;
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int semid;
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int semid;
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info = __find_mq (msgid);
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info = __find_mq (msgid);
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if (info == NULL)
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if (info == NULL)
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{
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{
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errno = EBADF;
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errno = EBADF;
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return -1;
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return -1;
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}
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}
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/* lock message queue */
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/* lock message queue */
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semid = info->semid;
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semid = info->semid;
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rc = semop (semid, &sb0, 1);
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rc = semop (semid, &sb0, 1);
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if (rc == 0)
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if (rc == 0)
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{
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{
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__cleanup_mq (msgid);
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__cleanup_mq (msgid);
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/* unlock message queue */
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/* unlock message queue */
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sb0.sem_op = 1;
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sb0.sem_op = 1;
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semop (semid, &sb0, 1);
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semop (semid, &sb0, 1);
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}
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}
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return rc;
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return rc;
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}
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}
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