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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 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under    
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// version.                                                                 
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
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// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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   
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// General Public License v2.                                               
//
// This exception does not invalidate any other reasons why a work based    
// on this file might be covered by the GNU General Public 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 */