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/* posix-thread.c - GPGRT thread functions for POSIX systems
Copyright (C) 2014 g10 Code GmbH
This file is part of libgpg-error.
libgpg-error is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
libgpg-error is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, see <https://www.gnu.org/licenses/>.
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_W32_SYSTEM
# error This module may not be build for Windows.
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h> /* Get posix option macros. */
#if USE_POSIX_THREADS
# ifdef _POSIX_PRIORITY_SCHEDULING
# include <sched.h>
# endif
#elif USE_SOLARIS_THREADS
# include <thread.h>
#endif
#include "gpgrt-int.h"
#include "thread.h"
gpg_err_code_t
_gpgrt_yield (void)
{
#if USE_POSIX_THREADS
# ifdef _POSIX_PRIORITY_SCHEDULING
_gpgrt_pre_syscall ();
sched_yield ();
_gpgrt_post_syscall ();
# else
return GPG_ERR_NOT_SUPPORTED;
# endif
#elif USE_SOLARIS_THREADS
_gpgrt_pre_syscall ();
thr_yield ();
_gpgrt_post_syscall ();
#else
return GPG_ERR_NOT_SUPPORTED;
#endif
return 0;
}
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