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Init.c: added priority ceiling task cases.

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This commit is contained in:
Mark Johannes
1996-08-08 19:19:09 +00:00
parent 77597ddd32
commit 9f1a034e75
2 changed files with 408 additions and 40 deletions
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224
testsuites/psxtests/psx05/init.c
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@@ -32,16 +32,16 @@ void Print_mutexattr(
printf( "%smutex protocol is (%d) -- ", msg, protocol );
switch ( protocol ) {
case PTHREAD_PRIO_NONE:
printf( "PTHREAD_PRIO_NONE\n" );
puts( "PTHREAD_PRIO_NONE" );
break;
case PTHREAD_PRIO_INHERIT:
printf( "PTHREAD_PRIO_INHERIT\n" );
puts( "PTHREAD_PRIO_INHERIT" );
break;
case PTHREAD_PRIO_PROTECT:
printf( "PTHREAD_PRIO_PROTECT\n" );
puts( "PTHREAD_PRIO_PROTECT" );
break;
default:
printf( "UNKNOWN\n" );
puts( "UNKNOWN" );
assert( 0 );
break;
}
@@ -59,13 +59,13 @@ void Print_mutexattr(
printf( "%smutex process shared is (%d) -- ", msg, pshared );
switch ( pshared ) {
case PTHREAD_PROCESS_PRIVATE:
printf( "PTHREAD_PROCESS_PRIVATE\n" );
puts( "PTHREAD_PROCESS_PRIVATE" );
break;
case PTHREAD_PROCESS_SHARED:
printf( "PTHREAD_PROCESS_SHARED\n" );
puts( "PTHREAD_PROCESS_SHARED" );
break;
default:
printf( "UNKNOWN\n" );
puts( "UNKNOWN" );
assert( 0 );
break;
}
@@ -78,6 +78,10 @@ void *POSIX_Init(
int status;
pthread_mutexattr_t attr;
struct timespec times;
struct sched_param param;
int policy;
int ceiling;
int old_ceiling;
puts( "\n\n*** POSIX TEST 5 ***" );
@@ -92,13 +96,13 @@ void *POSIX_Init(
/* basic checkout of mutex attributes */
printf( "Init: Initializing mutex attributes\n" );
puts( "Init: Initializing mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
Print_mutexattr( "Init: ", &attr );
printf( "Init: Changing mutex attributes\n" );
puts( "Init: Changing mutex attributes" );
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
assert( !status );
@@ -110,56 +114,56 @@ void *POSIX_Init(
Print_mutexattr( "Init: ", &attr );
printf( "Init: Resetting mutex attributes\n" );
puts( "Init: Resetting mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
/* create a thread */
status = pthread_create( &Task_id, NULL, Task_1_through_3, NULL );
status = pthread_create( &Task_id, NULL, Task_1, NULL );
assert( !status );
/* now try some basic mutex operations */
empty_line();
printf( "Init: Creating a mutex\n" );
puts( "Init: Creating a mutex" );
status = pthread_mutex_init( &Mutex_id, &attr );
if ( status )
printf( "status = %d\n", status );
assert( !status );
printf( "Init: pthread_mutex_trylock successfully\n" );
puts( "Init: pthread_mutex_trylock successfully" );
status = pthread_mutex_trylock( &Mutex_id );
if ( status )
printf( "status = %d\n", status );
assert( !status );
printf( "Init: pthread_mutex_trylock already locked\n" );
puts( "Init: pthread_mutex_trylock already locked" );
status = pthread_mutex_trylock( &Mutex_id );
if ( status != EDEADLK )
printf( "status = %d\n", status );
assert( status == EDEADLK );
printf( "Init: pthread_mutex_lock already locked\n" );
puts( "Init: pthread_mutex_lock already locked" );
status = pthread_mutex_lock( &Mutex_id );
if ( status != EDEADLK )
printf( "status = %d\n", status );
assert( status == EDEADLK );
printf( "Init: Sleep 1 second\n" );
puts( "Init: Sleep 1 second" );
sleep( 1 );
/* switch to task 1 */
printf( "Init: pthread_mutex_unlock successfully\n" );
puts( "Init: pthread_mutex_unlock successfully" );
status = pthread_mutex_unlock( &Mutex_id );
if ( status )
printf( "status = %d\n", status );
assert( !status );
printf( "Init: pthread_mutex_unlock not owner\n" );
puts( "Init: pthread_mutex_unlock not owner" );
status = pthread_mutex_unlock( &Mutex_id );
if ( status != EPERM )
printf( "status = %d\n", status );
@@ -167,7 +171,7 @@ void *POSIX_Init(
times.tv_sec = 0;
times.tv_nsec = 500000000;
printf( "Init: pthread_mutex_timedlock time out in 1/2 second\n" );
puts( "Init: pthread_mutex_timedlock time out in 1/2 second" );
status = pthread_mutex_timedlock( &Mutex_id, &times );
if ( status != EAGAIN )
printf( "status = %d\n", status );
@@ -175,7 +179,187 @@ void *POSIX_Init(
/* switch to idle */
printf( "Init: correctly timed out waiting for mutex\n" );
puts( "Init: correctly timed out waiting for mutex" );
/* destroy a mutex */
empty_line();
puts( "Init: Creating a mutex" );
status = pthread_mutex_init( &Mutex2_id, &attr );
if ( status )
printf( "status = %d\n", status );
assert( !status );
puts( "Init: pthread_mutexattr_destroy" );
status = pthread_mutexattr_destroy( &attr );
assert( !status );
puts( "Init: pthread_mutex_destroy" );
status = pthread_mutex_destroy( &Mutex2_id );
assert( !status );
/* destroy a busy mutex */
empty_line();
puts( "Init: Initializing mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts( "Init: Creating a mutex" );
status = pthread_mutex_init( &Mutex2_id, &attr );
assert( !status );
puts( "Init: pthread_mutex_trylock successfully" );
status = pthread_mutex_trylock( &Mutex2_id );
if ( status )
printf( "status = %d\n", status );
assert( !status );
status = pthread_mutex_destroy( &Mutex2_id );
if ( status != EBUSY )
printf( "status = %d\n", status );
assert( status == EBUSY );
puts( "Init: pthread_mutex_destroy - EBUSY" );
puts( "Init: pthread_mutex_unlock successfully" );
status = pthread_mutex_unlock( &Mutex2_id );
assert( !status );
puts( "Init: pthread_mutex_destroy" );
status = pthread_mutex_destroy( &Mutex2_id );
assert( !status );
/* priority inherit mutex */
empty_line();
puts( "Init: Initializing mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts( "Init: Setting PTHREAD_PRIO_INHERIT attribute" );
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
assert( !status );
puts( "Init: Creating a mutex" );
status = pthread_mutex_init( &Mutex2_id, &attr );
assert( !status );
puts( "Init: pthread_mutex_trylock successfully" );
status = pthread_mutex_trylock( &Mutex2_id );
assert( !status );
/* create a thread at a lower priority */
status = pthread_create( &Task2_id, NULL, Task_2, NULL );
assert( !status );
/* set priority of Task2 to highest priority */
param.sched_priority = 255;
puts( "Init: Setting Task2 priority to highest" );
status = pthread_setschedparam( Task2_id, SCHED_FIFO, &param );
assert( !status );
/* switching to Task2 */
status = pthread_getschedparam( pthread_self(), &policy, &param );
assert( !status );
printf( "Init: pthread_getschedparam priority = %d\n", param.sched_priority );
puts( "Init: pthread_mutex_unlock successfully" );
status = pthread_mutex_unlock( &Mutex2_id );
assert( !status );
puts( "Init: pthread_mutexattr_destroy" );
status = pthread_mutexattr_destroy( &attr );
assert( !status );
puts( "Init: pthread_mutex_destroy" );
status = pthread_mutex_destroy( &Mutex2_id );
assert( !status );
/* priority ceiling mutex */
empty_line();
puts( "Init: Initializing mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts( "Init: Setting PTHREAD_PRIO_PROTECT attribute" );
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_PROTECT );
assert( !status );
puts( "Init: Creating a mutex" );
status = pthread_mutex_init( &Mutex2_id, &attr );
assert( !status );
status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling );
assert( !status );
printf( "Init: priority ceiling = %d\n", ceiling );
status = pthread_mutex_setprioceiling( &Mutex2_id, 200, &old_ceiling );
assert( !status );
printf( "Init: Set ceiling = 200 old priority ceiling = %d\n",old_ceiling );
status = pthread_getschedparam( pthread_self(), &policy, &param );
assert( !status );
printf( "Init: pthread_getschedparam priority = %d\n", param.sched_priority );
puts( "Init: pthread_mutex_trylock successfully" );
status = pthread_mutex_trylock( &Mutex2_id );
assert( !status );
status = pthread_getschedparam( pthread_self(), &policy, &param );
assert( !status );
printf( "Init: pthread_getschedparam priority = %d\n", param.sched_priority );
/* create a thread at a higher priority */
status = pthread_create( &Task3_id, NULL, Task_3, NULL );
assert( !status );
/* set priority of Task3 to highest priority */
param.sched_priority = 199;
status = pthread_setschedparam( Task3_id, SCHED_FIFO, &param );
assert( !status );
puts( "Init: Set Task3 priority to highest" );
/* DOES NOT SWITCH to Task3 */
puts( "Init: Sleep 1 second" );
assert( !status );
sleep( 1 );
/* switch to task 3 */
puts( "Init: pthread_mutex_unlock successfully" );
status = pthread_mutex_unlock( &Mutex2_id );
assert( !status );
status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling );
assert( !status );
printf( "Init: priority ceiling = %d\n", ceiling );
/* set priority of Init to highest priority */
param.sched_priority = 255;
status = pthread_setschedparam( Init_id, SCHED_FIFO, &param );
assert( !status );
puts( "Init: Set Init priority to highest" );
status = pthread_mutex_lock( &Mutex2_id );
if ( status != EDEADLK )
printf( "status = %d\n", status );
assert( status == EINVAL );
puts( "Init: pthread_mutex_lock EINVAL (priority ceiling violation)" );
puts( "*** END OF POSIX TEST 5 ***" );
exit( 0 );