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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [isoinfra/] [v2_0/] [include/] [sched.h] - Rev 530
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#ifndef CYGONCE_ISO_SCHED_H #define CYGONCE_ISO_SCHED_H /*======================================================================== // // sched.h // // POSIX scheduler functions // //======================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos 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. // // eCos 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 eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //======================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jlarmour // Contributors: // Date: 2000-04-14 // Purpose: This file provides the scheduler macros, types and functions // required by POSIX 1003.1. // Description: The real contents of this file get set from the // configuration (set by the implementation) // Usage: #include <sched.h> // //####DESCRIPTIONEND#### // //====================================================================== */ /* CONFIGURATION */ #include <pkgconf/isoinfra.h> /* Configuration header */ /* INCLUDES */ #include <time.h> #if CYGINT_ISO_SCHED_IMPL # ifdef CYGBLD_ISO_SCHED_IMPL_HEADER # include CYGBLD_ISO_SCHED_IMPL_HEADER # else //----------------------------------------------------------------------------- // Scheduling Policys #define SCHED_OTHER 1 #define SCHED_FIFO 2 #define SCHED_RR 3 //----------------------------------------------------------------------------- //Process scheduling functions. #ifdef __cplusplus extern "C" { #endif // Set scheduling parameters for given process. extern int sched_setparam (pid_t pid, const struct sched_param *param); // Get scheduling parameters for given process. extern int sched_getparam (pid_t pid, struct sched_param *param); // Set scheduling policy and/or parameters for given process. extern int sched_setscheduler (pid_t pid, int policy, const struct sched_param *param); // Get scheduling policy for given process. extern int sched_getscheduler (pid_t pid); // Force current thread to relinquish the processor. extern int sched_yield (void); //----------------------------------------------------------------------------- // Scheduler parameter limits. // Get maximum priority value for a policy. extern int sched_get_priority_max (int policy); // Get minimum priority value for a policy. extern int sched_get_priority_min (int policy); // Get the SCHED_RR interval for the given process. extern int sched_rr_get_interval (pid_t pid, struct timespec *t); #ifdef __cplusplus } /* extern "C" */ #endif #endif #endif /* if CYGINT_ISO_SCHED_IMPL */ #endif /* CYGONCE_ISO_SCHED_H multiple inclusion protection */ /* EOF sched.h */
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