From c1bfa897da72bb555650e021e90b1b929a66d69c Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 1 Apr 2010 18:33:37 +0000 Subject: [PATCH] 2010-04-01 Joel Sherrill * libc/include/sched.h: Include prototypes for sched_* methods. * libc/include/sys/sched.h: Update to POSIX 1003.1b-2008. Rework constants to allow sharing between RTEMS and Cygwin. --- newlib/ChangeLog | 8 ++++ newlib/libc/include/sched.h | 85 ++++++++++++++++++++++++++++++++- newlib/libc/include/sys/sched.h | 40 ++++++++-------- 3 files changed, 113 insertions(+), 20 deletions(-) diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 4d6016200..aa661b963 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,11 @@ +2010-04-01 Joel Sherrill + + * libc/include/sched.h: Include prototypes for + sched_* methods. + * libc/include/sys/sched.h: Update to POSIX + 1003.1b-2008. Rework constants to allow sharing + between RTEMS and Cygwin. + 2010-03-27 Corinna Vinschen * libc/locale/locale.c (loadlocale): Optimize "EUC" charset check. diff --git a/newlib/libc/include/sched.h b/newlib/libc/include/sched.h index a59a0f4ba..504ad5274 100644 --- a/newlib/libc/include/sched.h +++ b/newlib/libc/include/sched.h @@ -1,11 +1,94 @@ +/* + * Written by Joel Sherrill . + * + * COPYRIGHT (c) 1989-2010. + * On-Line Applications Research Corporation (OAR). + * + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION + * OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS + * SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + * + * $Id$ + */ + #ifndef _SCHED_H_ #define _SCHED_H_ +#include +#include + #ifdef __cplusplus extern "C" { #endif -#include +#if defined(_POSIX_PRIORITY_SCHEDULING) +/* + * XBD 13 - Set Scheduling Parameters, P1003.1b-2008, p. 1803 + */ +int sched_setparam( + pid_t __pid, + const struct sched_param *__param +); + +/* + * XBD 13 - Set Scheduling Parameters, P1003.1b-2008, p. 1800 + */ +int sched_getparam( + pid_t __pid, + struct sched_param *__param +); + +/* + * XBD 13 - Set Scheduling Policy and Scheduling Parameters, + * P1003.1b-2008, p. 1805 + */ +int sched_setscheduler( + pid_t __pid, + int __policy, + const struct sched_param *__param +); + +/* + * XBD 13 - Get Scheduling Policy, P1003.1b-2008, p. 1801 + */ +int sched_getscheduler( + pid_t __pid +); + +/* + * XBD 13 - Get Scheduling Parameter Limits, P1003.1b-2008, p. 1799 + */ +int sched_get_priority_max( + int __policy +); + +int sched_get_priority_min( + int __policy +); + +/* + * XBD 13 - Get Scheduling Parameter Limits, P1003.1b-2008, p. 1802 + */ +int sched_rr_get_interval( + pid_t __pid, + struct timespec *__interval +); +#endif /* _POSIX_PRIORITY_SCHEDULING */ + +#if defined(_POSIX_THREADS) || defined(_POSIX_PRIORITY_SCHEDULING) + +/* + * XBD 13 - Yield Processor, P1003.1b-2008, p. 1807 + */ +int sched_yield( void ); + +#endif /* _POSIX_THREADS or _POSIX_PRIORITY_SCHEDULING */ #ifdef __cplusplus } diff --git a/newlib/libc/include/sys/sched.h b/newlib/libc/include/sys/sched.h index 540552199..58f99d682 100644 --- a/newlib/libc/include/sys/sched.h +++ b/newlib/libc/include/sys/sched.h @@ -1,7 +1,7 @@ /* * Written by Joel Sherrill . * - * COPYRIGHT (c) 1989-2000. + * COPYRIGHT (c) 1989-2010. * On-Line Applications Research Corporation (OAR). * * Permission to use, copy, modify, and distribute this software for any @@ -18,47 +18,49 @@ */ -#ifndef __POSIX_SYS_SCHEDULING_h -#define __POSIX_SYS_SCHEDULING_h +#ifndef _SYS_SCHED_H_ +#define _SYS_SCHED_H_ #ifdef __cplusplus extern "C" { #endif -#include - -#include -#include - -/* Scheduling Policies, P1003.1b-1993, p. 250 - NOTE: SCHED_SPORADIC added by P1003.4b/D8, p. 34. */ - +/* Scheduling Policies */ +/* Open Group Specifications Issue 6 */ +#if defined(__CYGWIN__) +#define SCHED_OTHER 3 +#else #define SCHED_OTHER 0 +#endif + #define SCHED_FIFO 1 #define SCHED_RR 2 #if defined(_POSIX_SPORADIC_SERVER) -#define SCHED_SPORADIC 3 +#define SCHED_SPORADIC 4 #endif -/* Scheduling Parameters, P1003.1b-1993, p. 249 - NOTE: Fields whose name begins with "ss_" added by P1003.4b/D8, p. 33. */ +/* Scheduling Parameters */ +/* Open Group Specifications Issue 6 */ struct sched_param { int sched_priority; /* Process execution scheduling priority */ -#if defined(_POSIX_SPORADIC_SERVER) - int ss_low_priority; /* Low scheduling priority for sporadic */ +#if defined(_POSIX_SPORADIC_SERVER) || defined(_POSIX_THREAD_SPORADIC_SERVER) + int sched_ss_low_priority; /* Low scheduling priority for sporadic */ /* server */ - struct timespec ss_replenish_period; + struct timespec sched_ss_repl_period; /* Replenishment period for sporadic server */ - struct timespec ss_initial_budget; /* Initial budget for sporadic server */ + struct timespec sched_ss_init_budget; + /* Initial budget for sporadic server */ + int sched_ss_max_repl; /* Maximum pending replenishments for */ + /* sporadic server */ #endif }; #ifdef __cplusplus } -#endif +#endif #endif /* end of include file */