From aaa4964a2277a1e265da4e7b91d5b1e3c3faa84e Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 17 Jan 2011 18:27:35 +0000 Subject: cvs update pthreads --- pthreads/sched.h | 358 ++++++++++++++++++++++++++++--------------------------- 1 file changed, 180 insertions(+), 178 deletions(-) (limited to 'pthreads/sched.h') diff --git a/pthreads/sched.h b/pthreads/sched.h index dfb8e934a..8db97a901 100644 --- a/pthreads/sched.h +++ b/pthreads/sched.h @@ -1,178 +1,180 @@ -/* - * Module: sched.h - * - * Purpose: - * Provides an implementation of POSIX realtime extensions - * as defined in - * - * POSIX 1003.1b-1993 (POSIX.1b) - * - * -------------------------------------------------------------------------- - * - * Pthreads-win32 - POSIX Threads Library for Win32 - * Copyright(C) 1998 John E. Bossom - * Copyright(C) 1999,2005 Pthreads-win32 contributors - * - * Contact Email: rpj@callisto.canberra.edu.au - * - * The current list of contributors is contained - * in the file CONTRIBUTORS included with the source - * code distribution. The list can also be seen at the - * following World Wide Web location: - * http://sources.redhat.com/pthreads-win32/contributors.html - * - * This library 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 of the License, or (at your option) any later version. - * - * This library 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 library in the file COPYING.LIB; - * if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ -#ifndef _SCHED_H -#define _SCHED_H - -#undef PTW32_LEVEL - -#if defined(_POSIX_SOURCE) -#define PTW32_LEVEL 0 -/* Early POSIX */ -#endif - -#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309 -#undef PTW32_LEVEL -#define PTW32_LEVEL 1 -/* Include 1b, 1c and 1d */ -#endif - -#if defined(INCLUDE_NP) -#undef PTW32_LEVEL -#define PTW32_LEVEL 2 -/* Include Non-Portable extensions */ -#endif - -#define PTW32_LEVEL_MAX 3 - -#if !defined(PTW32_LEVEL) -#define PTW32_LEVEL PTW32_LEVEL_MAX -/* Include everything */ -#endif - - -#if __GNUC__ && ! defined (__declspec) -# error Please upgrade your GNU compiler to one that supports __declspec. -#endif - -/* - * When building the DLL code, you should define PTW32_BUILD so that - * the variables/functions are exported correctly. When using the DLL, - * do NOT define PTW32_BUILD, and then the variables/functions will - * be imported correctly. - */ -#ifndef PTW32_STATIC_LIB -# ifdef PTW32_BUILD -# define PTW32_DLLPORT __declspec (dllexport) -# else -# define PTW32_DLLPORT __declspec (dllimport) -# endif -#else -# define PTW32_DLLPORT -#endif - -/* - * This is a duplicate of what is in the autoconf config.h, - * which is only used when building the pthread-win32 libraries. - */ - -#ifndef PTW32_CONFIG_H -# if defined(WINCE) -# define NEED_ERRNO -# define NEED_SEM -# endif -# if defined(_UWIN) || defined(__MINGW32__) -# define HAVE_MODE_T -# endif -#endif - -/* - * - */ - -#if PTW32_LEVEL >= PTW32_LEVEL_MAX -#ifdef NEED_ERRNO -#include "need_errno.h" -#else -#include -#endif -#endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ - -#if defined(__MINGW32__) || defined(_UWIN) -#if PTW32_LEVEL >= PTW32_LEVEL_MAX -/* For pid_t */ -# include -/* Required by Unix 98 */ -# include -#endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ -#else -typedef int pid_t; -#endif - -/* Thread scheduling policies */ - -enum { - SCHED_OTHER = 0, - SCHED_FIFO, - SCHED_RR, - SCHED_MIN = SCHED_OTHER, - SCHED_MAX = SCHED_RR -}; - -struct sched_param { - int sched_priority; -}; - -#ifdef __cplusplus -extern "C" -{ -#endif /* __cplusplus */ - -PTW32_DLLPORT int __cdecl sched_yield (void); - -PTW32_DLLPORT int __cdecl sched_get_priority_min (int policy); - -PTW32_DLLPORT int __cdecl sched_get_priority_max (int policy); - -PTW32_DLLPORT int __cdecl sched_setscheduler (pid_t pid, int policy); - -PTW32_DLLPORT int __cdecl sched_getscheduler (pid_t pid); - -/* - * Note that this macro returns ENOTSUP rather than - * ENOSYS as might be expected. However, returning ENOSYS - * should mean that sched_get_priority_{min,max} are - * not implemented as well as sched_rr_get_interval. - * This is not the case, since we just don't support - * round-robin scheduling. Therefore I have chosen to - * return the same value as sched_setscheduler when - * SCHED_RR is passed to it. - */ -#define sched_rr_get_interval(_pid, _interval) \ - ( errno = ENOTSUP, (int) -1 ) - - -#ifdef __cplusplus -} /* End of extern "C" */ -#endif /* __cplusplus */ - -#undef PTW32_LEVEL -#undef PTW32_LEVEL_MAX - -#endif /* !_SCHED_H */ - +/* + * Module: sched.h + * + * Purpose: + * Provides an implementation of POSIX realtime extensions + * as defined in + * + * POSIX 1003.1b-1993 (POSIX.1b) + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ +#ifndef _SCHED_H +#define _SCHED_H + +#undef PTW32_LEVEL + +#if defined(_POSIX_SOURCE) +#define PTW32_LEVEL 0 +/* Early POSIX */ +#endif + +#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309 +#undef PTW32_LEVEL +#define PTW32_LEVEL 1 +/* Include 1b, 1c and 1d */ +#endif + +#if defined(INCLUDE_NP) +#undef PTW32_LEVEL +#define PTW32_LEVEL 2 +/* Include Non-Portable extensions */ +#endif + +#define PTW32_LEVEL_MAX 3 + +#if ( defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112 ) || !defined(PTW32_LEVEL) +#define PTW32_LEVEL PTW32_LEVEL_MAX +/* Include everything */ +#endif + + +#if __GNUC__ && ! defined (__declspec) +# error Please upgrade your GNU compiler to one that supports __declspec. +#endif + +/* + * When building the library, you should define PTW32_BUILD so that + * the variables/functions are exported correctly. When using the library, + * do NOT define PTW32_BUILD, and then the variables/functions will + * be imported correctly. + */ +#if !defined(PTW32_STATIC_LIB) +# ifdef PTW32_BUILD +# define PTW32_DLLPORT __declspec (dllexport) +# else +# define PTW32_DLLPORT __declspec (dllimport) +# endif +#else +# define PTW32_DLLPORT +#endif + +/* + * This is a duplicate of what is in the autoconf config.h, + * which is only used when building the pthread-win32 libraries. + */ + +#ifndef PTW32_CONFIG_H +# if defined(WINCE) +# define NEED_ERRNO +# define NEED_SEM +# endif +# if defined(_UWIN) || defined(__MINGW32__) +# define HAVE_MODE_T +# endif +#endif + +/* + * + */ + +#if PTW32_LEVEL >= PTW32_LEVEL_MAX +#ifdef NEED_ERRNO +#include "need_errno.h" +#else +#include +#endif +#endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ + +#if defined(__MINGW32__) || defined(_UWIN) +# if PTW32_LEVEL >= PTW32_LEVEL_MAX +/* For pid_t */ +# include +/* Required by Unix 98 */ +# include +# else + typedef int pid_t; +# endif +#else +typedef int pid_t; +#endif + +/* Thread scheduling policies */ + +enum { + SCHED_OTHER = 0, + SCHED_FIFO, + SCHED_RR, + SCHED_MIN = SCHED_OTHER, + SCHED_MAX = SCHED_RR +}; + +struct sched_param { + int sched_priority; +}; + +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + +PTW32_DLLPORT int __cdecl sched_yield (void); + +PTW32_DLLPORT int __cdecl sched_get_priority_min (int policy); + +PTW32_DLLPORT int __cdecl sched_get_priority_max (int policy); + +PTW32_DLLPORT int __cdecl sched_setscheduler (pid_t pid, int policy); + +PTW32_DLLPORT int __cdecl sched_getscheduler (pid_t pid); + +/* + * Note that this macro returns ENOTSUP rather than + * ENOSYS as might be expected. However, returning ENOSYS + * should mean that sched_get_priority_{min,max} are + * not implemented as well as sched_rr_get_interval. + * This is not the case, since we just don't support + * round-robin scheduling. Therefore I have chosen to + * return the same value as sched_setscheduler when + * SCHED_RR is passed to it. + */ +#define sched_rr_get_interval(_pid, _interval) \ + ( errno = ENOTSUP, (int) -1 ) + + +#ifdef __cplusplus +} /* End of extern "C" */ +#endif /* __cplusplus */ + +#undef PTW32_LEVEL +#undef PTW32_LEVEL_MAX + +#endif /* !_SCHED_H */ + -- cgit v1.2.3