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Diffstat (limited to 'newlib/libc/sys/linux/mq_send.c')
-rw-r--r--newlib/libc/sys/linux/mq_send.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/newlib/libc/sys/linux/mq_send.c b/newlib/libc/sys/linux/mq_send.c
deleted file mode 100644
index d3291fd2e..000000000
--- a/newlib/libc/sys/linux/mq_send.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Copyright 2002, Red Hat Inc. */
-
-#include <mqueue.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-#include <string.h>
-#include <stdlib.h>
-#define _LIBC 1
-#include <sys/lock.h>
-#undef _LIBC
-
-#include "mqlocal.h"
-
-__LOCK_INIT(static, mq_wrbuf_lock);
-
-int
-mq_send (mqd_t msgid, const char *msg, size_t msg_len, unsigned int msg_prio)
-{
- struct libc_mq *info;
- struct sembuf sb2 = {2, -1, 0};
- struct sembuf sb3 = {3, 1, 0};
- int rc;
- int ipcflag;
-
- info = __find_mq (msgid);
-
- if (info == NULL || (info->oflag & O_ACCMODE) == O_RDONLY)
- {
- errno = EBADF;
- return -1;
- }
-
- if (msg_len > info->attr->mq_msgsize)
- {
- errno = EMSGSIZE;
- return -1;
- }
-
- if (msg_prio > MQ_PRIO_MAX)
- {
- errno = EINVAL;
- return -1;
- }
-
- __lock_acquire (mq_wrbuf_lock);
-
- memcpy (info->wrbuf->text, msg, msg_len);
- info->wrbuf->type = (MQ_PRIO_MAX - msg_prio);
-
- ipcflag = (info->attr->mq_flags & O_NONBLOCK) ? IPC_NOWAIT : 0;
- sb2.sem_flg = ipcflag;
-
- /* check to see if max msgs are on queue */
- rc = semop (info->semid, &sb2, 1);
-
- if (rc == 0)
- rc = msgsnd (info->msgqid, info->wrbuf, msg_len, ipcflag);
-
- if (rc == 0)
- semop (info->semid, &sb3, 1); /* increment number of reads */
-
- __lock_release (mq_wrbuf_lock);
- return rc;
-}
-
-
-
-
-
-