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/* Schedule other threads to run.
Copyright (C) 2019-2022 Free Software Foundation, Inc.
This file 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.
This file 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/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2019. */
#include <config.h>
/* Specification. */
#include <sched.h>
#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
/* Use Windows threads. */
# define WIN32_LEAN_AND_MEAN /* avoid including junk */
# include <windows.h>
int
sched_yield (void)
{
Sleep (0);
return 0;
}
#elif defined __KLIBC__
/* OS/2 kLIBC implementation */
# define INCL_DOS
# include <os2.h>
int
sched_yield (void)
{
DosSleep (0);
return 0;
}
#else
/* Provide a dummy implementation for single-threaded applications. */
int
sched_yield (void)
{
return 0;
}
#endif
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