/*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* $Id$
*/
#define CONFIGURE_INIT
#include "system.h"
#include <errno.h>
#define MUTEX_BAD_ID 0xfffffffe
void Print_mutexattr(
char *msg,
pthread_mutexattr_t *attr
)
{
int status;
int protocol;
int prioceiling;
int pshared;
/* protocol */
status = pthread_mutexattr_getprotocol( attr, &protocol );
assert( !status );
printf( "%smutex protocol is (%d) -- ", msg, protocol );
switch ( protocol ) {
case PTHREAD_PRIO_NONE:
puts( "PTHREAD_PRIO_NONE" );
break;
case PTHREAD_PRIO_INHERIT:
puts( "PTHREAD_PRIO_INHERIT" );
break;
case PTHREAD_PRIO_PROTECT:
puts( "PTHREAD_PRIO_PROTECT" );
break;
default:
puts( "UNKNOWN" );
assert( 0 );
break;
}
/* priority ceiling */
status = pthread_mutexattr_getprioceiling( attr, &prioceiling );
assert( !status );
printf( "%smutex priority ceiling is %d\n", msg, prioceiling );
/* process shared */
status = pthread_mutexattr_getpshared( attr, &pshared );
assert( !status );
printf( "%smutex process shared is (%d) -- ", msg, pshared );
switch ( pshared ) {
case PTHREAD_PROCESS_PRIVATE:
puts( "PTHREAD_PROCESS_PRIVATE" );
break;
case PTHREAD_PROCESS_SHARED:
puts( "PTHREAD_PROCESS_SHARED" );
break;
default:
puts( "UNKNOWN" );
assert( 0 );
break;
}
}
void *POSIX_Init(
void *argument
)
{
int status;
pthread_mutexattr_t attr;
pthread_mutexattr_t destroyed_attr;
struct timespec times;
struct sched_param param;
int pshared;
int policy;
int protocol;
int ceiling;
int old_ceiling;
assert( MUTEX_BAD_ID != PTHREAD_MUTEX_INITIALIZER );
Mutex_bad_id = MUTEX_BAD_ID;
puts( "\n\n*** POSIX TEST 5 ***" );
/* set the time of day, and print our buffer in multiple ways */
set_time( TM_FRIDAY, TM_MAY, 24, 96, 11, 5, 0 );
/* get id of this thread */
Init_id = pthread_self();
printf( "Init's ID is 0x%08x\n", Init_id );
/* tes pthread_mutex_attr_init */
puts( "Init: pthread_mutexattr_init - EINVAL (NULL attr)" );
status = pthread_mutexattr_init( NULL );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
assert( !status );
Print_mutexattr( "Init: ", &attr );
/* create an "uninitialized" attribute structure */
status = pthread_mutexattr_init( &destroyed_attr );
assert( !status );
puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" );
status = pthread_mutexattr_destroy( &destroyed_attr );
assert( !status );
puts( "Init: pthread_mutexattr_destroy - EINVAL (NULL attr)" );
status = pthread_mutexattr_destroy( NULL );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_destroy - EINVAL (not initialized)" );
status = pthread_mutexattr_destroy( &destroyed_attr );
assert( status == EINVAL );
/* error cases for set and get pshared attribute */
empty_line();
puts( "Init: pthread_mutexattr_getpshared - EINVAL (NULL attr)" );
status = pthread_mutexattr_getpshared( NULL, &pshared );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getpshared - EINVAL (NULL pshared)" );
status = pthread_mutexattr_getpshared( &attr, NULL );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getpshared - EINVAL (not initialized)" );
status = pthread_mutexattr_getpshared( &destroyed_attr, &pshared );
assert( status == EINVAL );
pshared = PTHREAD_PROCESS_PRIVATE;
puts( "Init: pthread_mutexattr_setpshared - EINVAL (NULL attr)" );
status = pthread_mutexattr_setpshared( NULL, pshared );
assert( status == EINVAL );
pshared = PTHREAD_PROCESS_PRIVATE;
puts( "Init: pthread_mutexattr_setpshared - EINVAL (not initialized)" );
status = pthread_mutexattr_setpshared( &destroyed_attr, pshared );
assert( status == EINVAL );
/* error cases for set and get protocol attribute */
empty_line();
puts( "Init: pthread_mutexattr_getprotocol - EINVAL (NULL attr)" );
status = pthread_mutexattr_getprotocol( NULL, &protocol );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprotocol - EINVAL (NULL protocol)" );
status = pthread_mutexattr_getprotocol( &attr, NULL );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprotocol - EINVAL (not initialized)" );
status = pthread_mutexattr_getprotocol( &destroyed_attr, &protocol );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprotocol - EINVAL (NULL attr)" );
status = pthread_mutexattr_setprotocol( NULL, PTHREAD_PRIO_NONE );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprotocol - EINVAL (invalid protocol)" );
status = pthread_mutexattr_setprotocol( &attr, -1 );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprotocol - EINVAL (not initialized)" );
status = pthread_mutexattr_setprotocol( &destroyed_attr, -1 );
assert( status == EINVAL );
/* error cases for set and get prioceiling attribute */
empty_line();
puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (NULL attr)" );
status = pthread_mutexattr_getprioceiling( NULL, &ceiling );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (NULL prioceiling)" );
status = pthread_mutexattr_getprioceiling( &attr, NULL );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (not initialized)" );
status = pthread_mutexattr_getprioceiling( &destroyed_attr, &ceiling );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (NULL attr)" );
status = pthread_mutexattr_setprioceiling( NULL, 128 );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (invalid priority)" );
status = pthread_mutexattr_setprioceiling( &attr, 512 );
if ( status != EINVAL )
printf( "status = %d\n", status );
assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (not initialized)" );
status = pthread_mutexattr_setprioceiling( &destroyed_attr, -1 );
assert( status == EINVAL );
/* create a thread */
status = pthread_create( &Task_id, NULL, Task_1, NULL );
assert( !status );
/* now try some basic mutex operations */
empty_line();
puts( "Init: pthread_mutex_init - EINVAL (NULL mutex_id)" );
status = pthread_mutex_init( NULL, &attr );
assert( status == EINVAL );
puts( "Init: pthread_mutex_init - EINVAL (not initialized attr)" );
status = pthread_mutex_init( &Mutex_id, &destroyed_attr );
assert( status == EINVAL );
/* must get around error checks in attribute set routines */
attr.protocol = -1;
puts( "Init: pthread_mutex_init - EINVAL (bad protocol)" );
status = pthread_mutex_init( &Mutex_id, &attr );
assert( status == EINVAL );
/* must get around error checks in attribute set routines */
attr.protocol = PTHREAD_PRIO_INHERIT;
attr.prio_ceiling = -1;
puts( "Init: pthread_mutex_init - EINVAL (bad priority ceiling)" );
status = pthread_mutex_init( &Mutex_id, &attr );
assert( status == EINVAL );
/* now set up for a success pthread_mutex_init */
puts( "Init: Resetting mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts( "Init: Changing mutex attributes" );
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
assert( !status );
status = pthread_mutexattr_setprioceiling( &attr, 128 );
assert( !status );
status = pthread_mutexattr_setpshared( &attr, PTHREAD_PROCESS_SHARED );
assert( !status );
Print_mutexattr( "Init: ", &attr );
puts( "Init: Resetting mutex attributes" );
status = pthread_mutexattr_init( &attr );
assert( !status );
/*
* Set the protocol to priority ceiling so the owner check happens
* and the EPERM test (later) will work.
*/
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex_id, &attr );
if ( status )
printf( "status = %d\n", status );
assert( !status );
puts( "Init: pthread_mutex_init - EBUSY (attempt to initialize an existing mutex)" );
status = pthread_mutex_init( &Mutex_id, &attr );
if ( !status )
printf( "status = %d\n", status );
assert( status == EBUSY );
puts( "Init: pthread_mutex_trylock - EINVAL (illegal ID)" );
status = pthread_mutex_trylock( &Mutex_bad_id );
if ( status != EINVAL )
printf( "status = %d\n", status );
assert( status == EINVAL );
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex_id );
if ( status )
printf( "status = %d\n", status );
assert( !status );
puts( "Init: pthread_mutex_trylock - EDEADLK (already locked)" );
status = pthread_mutex_trylock( &Mutex_id );
if ( status != EDEADLK )
printf( "status = %d\n", status );
assert( status == EDEADLK );
puts( "Init: pthread_mutex_lock - EDEADLK (already locked)" );
status = pthread_mutex_lock( &Mutex_id );
if ( status != EDEADLK )
printf( "status = %d\n", status );
assert( status == EDEADLK );
puts( "Init: Sleep 1 second" );
sleep( 1 );
/* switch to task 1 */
puts( "Init: pthread_mutex_unlock - EINVAL (invalid id)" );
status = pthread_mutex_unlock( &Mutex_bad_id );
if ( status != EINVAL )
printf( "status = %d\n", status );
assert( status == EINVAL );
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex_id );
if ( status )
printf( "status = %d\n", status );
assert( !status );
puts( "Init: pthread_mutex_unlock - EPERM (not owner)" );
status = pthread_mutex_unlock( &Mutex_id );
if ( status != EPERM )
printf( "status = %d\n", status );
assert( status == EPERM );
times.tv_sec = 0;
times.tv_nsec = 500000000;
puts( "Init: pthread_mutex_timedlock - time out in 1/2 second" );
status = pthread_mutex_timedlock( &Mutex_id, × );
if ( status != EAGAIN )
printf( "status = %d\n", status );
assert( status == EAGAIN );
/* switch to idle */
puts( "Init: pthread_mutex_timedlock - EAGAIN (timeout)" );
/* destroy a mutex */
empty_line();
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
if ( status )
printf( "status = %d\n", status );
assert( !status );
puts( "Init: pthread_mutex_init - EAGAIN (too many)" );
status = pthread_mutex_init( &Mutex3_id, &attr );
assert( status == EAGAIN );
puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" );
status = pthread_mutexattr_destroy( &attr );
assert( !status );
puts( "Init: pthread_mutex_destroy - SUCCESSFUL" );
status = pthread_mutex_destroy( &Mutex2_id );
assert( !status );
puts( "Init: pthread_mutex_destroy - EINVAL (invalid id)" );
status = pthread_mutex_destroy( &Mutex_bad_id );
assert( status == EINVAL );
/* destroy a busy mutex */
empty_line();
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
assert( !status );
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex2_id );
if ( status )
printf( "status = %d\n", status );
assert( !status );
puts( "Init: pthread_mutex_destroy - EBUSY (already locked)" );
status = pthread_mutex_destroy( &Mutex2_id );
if ( status != EBUSY )
printf( "status = %d\n", status );
assert( status == EBUSY );
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex2_id );
assert( !status );
puts( "Init: pthread_mutex_destroy - SUCCESSFUL" );
status = pthread_mutex_destroy( &Mutex2_id );
assert( !status );
/* priority inherit mutex */
empty_line();
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts(
"Init: pthread_mutexattr_setprotocol - SUCCESSFUL (PTHREAD_PRIO_INHERIT)"
);
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
assert( !status );
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
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 = 254;
puts( "Init: pthread_setschedparam - Setting Task2 priority to highest" );
status = pthread_setschedparam( Task2_id, SCHED_FIFO, ¶m );
assert( !status );
/* switching to Task2 */
status = pthread_getschedparam( pthread_self(), &policy, ¶m );
assert( !status );
printf( "Init: pthread_getschedparam - priority = %d\n", param.sched_priority);
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex2_id );
assert( !status );
puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" );
status = pthread_mutexattr_destroy( &attr );
assert( !status );
puts( "Init: pthread_mutex_destroy - SUCCESSFUL" );
status = pthread_mutex_destroy( &Mutex2_id );
assert( !status );
/* priority ceiling mutex */
empty_line();
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
assert( !status );
puts(
"Init: pthread_mutexattr_setprotocol - SUCCESSFUL (PTHREAD_PRIO_PROTECT)"
);
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_PROTECT );
assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
assert( !status );
puts( "Init: pthread_mutex_getprioceiling - EINVAL (invalid id)" );
status = pthread_mutex_getprioceiling( &Mutex_bad_id, &ceiling );
assert( status == EINVAL );
puts( "Init: pthread_mutex_getprioceiling - EINVAL (NULL ceiling)" );
status = pthread_mutex_getprioceiling( &Mutex2_id, NULL );
assert( status == EINVAL );
status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling );
assert( !status );
printf( "Init: pthread_mutex_getprioceiling - %d\n", ceiling );
puts( "Init: pthread_mutex_setprioceiling - EINVAL (invalid id)" );
status = pthread_mutex_setprioceiling( &Mutex_bad_id, 200, &old_ceiling );
assert( status == EINVAL );
puts( "Init: pthread_mutex_setprioceiling - EINVAL (illegal priority)" );
status = pthread_mutex_setprioceiling( &Mutex2_id, 512, &old_ceiling );
assert( status == EINVAL );
puts( "Init: pthread_mutex_setprioceiling - EINVAL (NULL ceiling)" );
status = pthread_mutex_setprioceiling( &Mutex2_id, 128, NULL );
assert( status == EINVAL );
/* normal cases of set priority ceiling */
puts( "Init: pthread_mutex_setprioceiling - new ceiling = 200" );
status = pthread_mutex_setprioceiling( &Mutex2_id, 200, &old_ceiling );
assert( !status );
printf(
"Init: pthread_mutex_setprioceiling - old ceiling = %d\n",old_ceiling
);
status = pthread_getschedparam( pthread_self(), &policy, ¶m );
assert( !status );
printf(
"Init: pthread_getschedparam - priority = %d\n", param.sched_priority
);
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex2_id );
assert( !status );
status = pthread_getschedparam( pthread_self(), &policy, ¶m );
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, ¶m );
assert( !status );
puts( "Init: pthread_setschedparam - 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 - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex2_id );
assert( !status );
status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling );
assert( !status );
printf( "Init: pthread_mutex_getprioceiling- ceiling = %d\n", ceiling );
/* set priority of Init to highest priority */
param.sched_priority = 254;
status = pthread_setschedparam( Init_id, SCHED_FIFO, ¶m );
assert( !status );
puts( "Init: pthread_setschedparam - set Init priority to highest" );
puts( "Init: pthread_mutex_lock - EINVAL (priority ceiling violation)" );
status = pthread_mutex_lock( &Mutex2_id );
if ( status != EINVAL )
printf( "status = %d\n", status );
assert( status == EINVAL );
puts( "*** END OF POSIX TEST 5 ***" );
exit( 0 );
return NULL; /* just so the compiler thinks we returned something */
}