diff options
Diffstat (limited to 'c/src/exec/posix/src/pthreadsetschedparam.c')
-rw-r--r-- | c/src/exec/posix/src/pthreadsetschedparam.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/c/src/exec/posix/src/pthreadsetschedparam.c b/c/src/exec/posix/src/pthreadsetschedparam.c deleted file mode 100644 index 44c5e2ec36..0000000000 --- a/c/src/exec/posix/src/pthreadsetschedparam.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * 13.5.2 Dynamic Thread Scheduling Parameters Access, - * P1003.1c/Draft 10, p. 124 - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include <pthread.h> -#include <errno.h> - -#include <rtems/system.h> -#include <rtems/posix/pthread.h> -#include <rtems/posix/priority.h> -#include <rtems/posix/time.h> - -int pthread_setschedparam( - pthread_t thread, - int policy, - struct sched_param *param -) -{ - register Thread_Control *the_thread; - POSIX_API_Control *api; - Thread_CPU_budget_algorithms budget_algorithm; - Thread_CPU_budget_algorithm_callout budget_callout; - Objects_Locations location; - - /* - * Check all the parameters - */ - - if ( !param ) - return EINVAL; - - if ( !_POSIX_Priority_Is_valid( param->sched_priority ) ) - return EINVAL; - - budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_NONE; - budget_callout = NULL; - - switch ( policy ) { - case SCHED_OTHER: - budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_RESET_TIMESLICE; - break; - - case SCHED_FIFO: - budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_NONE; - break; - - case SCHED_RR: - budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_EXHAUST_TIMESLICE; - break; - - case SCHED_SPORADIC: - budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_CALLOUT; - budget_callout = _POSIX_Threads_Sporadic_budget_callout; - - if ( _POSIX_Timespec_to_interval( ¶m->ss_replenish_period ) < - _POSIX_Timespec_to_interval( ¶m->ss_initial_budget ) ) - return EINVAL; - - if ( !_POSIX_Priority_Is_valid( param->ss_low_priority ) ) - return EINVAL; - - break; - - default: - return EINVAL; - } - - /* - * Actually change the scheduling policy and parameters - */ - - the_thread = _POSIX_Threads_Get( thread, &location ); - switch ( location ) { - case OBJECTS_ERROR: - case OBJECTS_REMOTE: - return ESRCH; - case OBJECTS_LOCAL: - api = the_thread->API_Extensions[ THREAD_API_POSIX ]; - - if ( api->schedpolicy == SCHED_SPORADIC ) - (void) _Watchdog_Remove( &api->Sporadic_timer ); - - api->schedpolicy = policy; - api->schedparam = *param; - the_thread->budget_algorithm = budget_algorithm; - the_thread->budget_callout = budget_callout; - - switch ( api->schedpolicy ) { - case SCHED_OTHER: - case SCHED_FIFO: - case SCHED_RR: - the_thread->cpu_time_budget = _Thread_Ticks_per_timeslice; - - the_thread->real_priority = - _POSIX_Priority_To_core( api->schedparam.sched_priority ); - - _Thread_Change_priority( - the_thread, - the_thread->real_priority, - TRUE - ); - break; - - case SCHED_SPORADIC: - api->ss_high_priority = api->schedparam.sched_priority; - _Watchdog_Remove( &api->Sporadic_timer ); - _POSIX_Threads_Sporadic_budget_TSR( 0, the_thread ); - break; - } - - _Thread_Enable_dispatch(); - return 0; - } - return POSIX_BOTTOM_REACHED(); -} |