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/*
* 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
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; 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
#if !defined( PTW32_HEADER )
#define PTW32_HEADER
#ifdef _UWIN
# define HAVE_STRUCT_TIMESPEC 1
# define HAVE_SIGNAL_H 1
# undef HAVE_CONFIG_H
# pragma comment(lib, "pthread")
#endif
#endif /* PTW32_HEADER */
#if defined(__MINGW32__) || defined(_UWIN)
/* For pid_t */
# include <sys/types.h>
/* Required by Unix 98 - including sched.h makes time.h available */
# include <time.h>
#else
typedef DWORD pid_t;
#endif
#if ! defined(HAVE_STRUCT_TIMESPEC) && ! defined(PTW32_TIMESPEC)
#define PTW32_TIMESPEC
struct timespec {
long tv_sec;
long tv_nsec;
};
#endif /* HAVE_STRUCT_TIMESPEC */
/* 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 */
int sched_yield (void);
int sched_get_priority_min (int policy);
int sched_get_priority_max (int policy);
int sched_setscheduler (pid_t pid, int policy);
int sched_getscheduler (pid_t pid);
int sched_rr_get_interval(pid_t pid, struct timespec * interval);
#ifdef __cplusplus
} /* End of extern "C" */
#endif /* __cplusplus */
#endif /* !_SCHED_H */
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