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2009-08-01 Joel Sherrill <joel.sherrill@oarcorp.com>

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* posix/src/psxtransschedparam.c, posix/src/pthread.c: Add error checks
	for 0 time on sporadic scheduler replenish period and initial budget.
	This avoids having to correct for it in the TSR, so we can eliminate
	the check for ticks == 0 there.
This commit is contained in:
Joel Sherrill
2009-08-01 21:49:40 +00:00
parent 1d4005dbba
commit 770db692bc
3 changed files with 17 additions and 6 deletions
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7
cpukit/ChangeLog
View File

@@ -1,3 +1,10 @@
2009-08-01 Joel Sherrill <joel.sherrill@oarcorp.com>
* posix/src/psxtransschedparam.c, posix/src/pthread.c: Add error checks
for 0 time on sporadic scheduler replenish period and initial budget.
This avoids having to correct for it in the TSR, so we can eliminate
the check for ticks == 0 there.
2009-08-01 Joel Sherrill <joel.sherrill@OARcorp.com>
* score/inline/rtems/score/heap.inl, score/src/heapresizeblock.c:

8
cpukit/posix/src/psxtransschedparam.c
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@@ -49,6 +49,14 @@ int _POSIX_Thread_Translate_sched_param(
}
if ( policy == SCHED_SPORADIC ) {
if ( (param->ss_replenish_period.tv_sec == 0) &&
(param->ss_replenish_period.tv_nsec == 0) )
return EINVAL;
if ( (param->ss_initial_budget.tv_sec == 0) &&
(param->ss_initial_budget.tv_nsec == 0) )
return EINVAL;
if ( _Timespec_To_ticks( &param->ss_replenish_period ) <
_Timespec_To_ticks( &param->ss_initial_budget ) )
return EINVAL;

8
cpukit/posix/src/pthread.c
View File

@@ -78,11 +78,9 @@ void _POSIX_Threads_Sporadic_budget_TSR(
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
/* ticks is guaranteed to be at least one */
ticks = _Timespec_To_ticks( &api->schedparam.ss_initial_budget );
if ( !ticks )
ticks = 1;
the_thread->cpu_time_budget = ticks;
new_priority = _POSIX_Priority_To_core( api->ss_high_priority );
@@ -92,11 +90,9 @@ void _POSIX_Threads_Sporadic_budget_TSR(
the_thread->current_priority > new_priority )
_Thread_Change_priority( the_thread, new_priority, true );
/* ticks is guaranteed to be at least one */
ticks = _Timespec_To_ticks( &api->schedparam.ss_replenish_period );
if ( !ticks )
ticks = 1;
_Watchdog_Insert_ticks( &api->Sporadic_timer, ticks );
}