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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-09-16 06:13:45 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-10-14 07:47:12 +0200 |
commit | e3330899f3ef81f9e4cb60715a697055e2bd4719 (patch) | |
tree | 4d982e282958af257a8981e5d7c86e63c9dad97e /cpukit/libstdthreads/call_once.c | |
parent | bsps/arm: Add missing translation table entry (diff) | |
download | rtems-e3330899f3ef81f9e4cb60715a697055e2bd4719.tar.bz2 |
libstdthreads: Import from FreeBSD
Diffstat (limited to 'cpukit/libstdthreads/call_once.c')
-rw-r--r-- | cpukit/libstdthreads/call_once.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/cpukit/libstdthreads/call_once.c b/cpukit/libstdthreads/call_once.c new file mode 100644 index 0000000000..2d7d6ff89e --- /dev/null +++ b/cpukit/libstdthreads/call_once.c @@ -0,0 +1,44 @@ +/*- + * Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD r228904 2011-12-26T21:51:53Z$ + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <pthread.h> + +#include "threads.h" + +void +call_once(once_flag *flag, void (*func)(void)) +{ + + (void)pthread_once((pthread_once_t *)flag, func); +} + +_Static_assert(sizeof(once_flag) == sizeof(pthread_once_t), + "once_flag must be of the same size as pthread_once_t"); |