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44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Copyright (C) 2004-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <mqueue.h>
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#include <stddef.h>
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#include <sysdep.h>
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#ifdef __NR_mq_notify
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/* Register notification upon message arrival to an empty message queue
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MQDES. */
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int
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mq_notify (mqd_t mqdes, const struct sigevent *notification)
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{
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/* mq_notify which handles SIGEV_THREAD is included in the thread
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add-on. */
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if (notification != NULL
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&& notification->sigev_notify == SIGEV_THREAD)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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return INLINE_SYSCALL (mq_notify, 2, mqdes, notification);
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}
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#else
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# include <rt/mq_notify.c>
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#endif
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