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Diffstat (limited to 'gnulib/lib/glthread/yield.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/glthread/yield.h | 122 |
2 files changed, 122 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/glthread/yield.h b/gnulib/lib/glthread/yield.h new file mode 100644 index 0000000..0482315 --- /dev/null +++ b/gnulib/lib/glthread/yield.h @@ -0,0 +1,122 @@ +/* Yielding the processor to other threads and processes. + Copyright (C) 2005-2011 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* This file contains a primitive for yielding the processor to other threads. + extern void gl_thread_yield (void); + */ + +#ifndef _GLTHREAD_YIELD_H +#define _GLTHREAD_YIELD_H + +#include <errno.h> + +/* ========================================================================= */ + +#if USE_POSIX_THREADS + +/* Use the POSIX threads library. */ + +# include <sched.h> + +# ifdef __cplusplus +extern "C" { +# endif + +# define gl_thread_yield() \ + sched_yield () + +# ifdef __cplusplus +} +# endif + +#endif + +/* ========================================================================= */ + +#if USE_PTH_THREADS + +/* Use the GNU Pth threads library. */ + +# include <pth.h> + +# ifdef __cplusplus +extern "C" { +# endif + +# define gl_thread_yield() \ + pth_yield (NULL) + +# ifdef __cplusplus +} +# endif + +#endif + +/* ========================================================================= */ + +#if USE_SOLARIS_THREADS + +/* Use the old Solaris threads library. */ + +# include <thread.h> + +# ifdef __cplusplus +extern "C" { +# endif + +# define gl_thread_yield() \ + thr_yield () + +# ifdef __cplusplus +} +# endif + +#endif + +/* ========================================================================= */ + +#if USE_WIN32_THREADS + +# define WIN32_LEAN_AND_MEAN /* avoid including junk */ +# include <windows.h> + +# ifdef __cplusplus +extern "C" { +# endif + +# define gl_thread_yield() \ + Sleep (0) + +# ifdef __cplusplus +} +# endif + +#endif + +/* ========================================================================= */ + +#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS) + +/* Provide dummy implementation if threads are not supported. */ + +# define gl_thread_yield() 0 + +#endif + +/* ========================================================================= */ + +#endif /* _GLTHREAD_YIELD_H */ |