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/*
* COPYRIGHT (c) 1989-2009.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <sched.h>
#include <semaphore.h>
#include <errno.h>
#include <fcntl.h>
#include <time.h>
#include <tmacros.h>
#include <pmacros.h>
#include "test_support.h"
#define MAX_SEMS 10
void *POSIX_Init(
void *argument
)
{
int status;
int value;
int i;
sem_t sems[MAX_SEMS];
sem_t sem2;
sem_t *n_sem1;
sem_t *n_sem2;
struct timespec waittime;
char failure_msg[80];
puts( "\n\n*** POSIX SEMAPHORE MANAGER TEST 1 ***" );
puts( "Init: sem_init - UNSUCCESSFUL (EINVAL)" );
status = sem_init(NULL, 0, 1);
fatal_posix_service_status( status, -1, "sem_init error return status");
fatal_posix_service_status( errno, EINVAL, "sem_init errorno EINVAL" );
puts( "Init: sem_init - SUCCESSFUL" );
for (i = 0; i < MAX_SEMS; i++) {
status = sem_init(&sems[i], 0, i);
sprintf(failure_msg, "sem_init %d", i );
fatal_posix_service_status( status, 0, failure_msg);
}
puts( "Init: sem_init - UNSUCCESSFUL (ENOSPC)" );
status = sem_init(&sem2, 0, 1);
fatal_posix_service_status( status, -1, "sem_init error return status");
fatal_posix_service_status( errno, ENOSPC, "sem_init errorno ENOSPC" );
puts( "Init: sem_init - UNSUCCESSFUL (ENOSYS -- pshared not supported)" );
status = sem_init(&sem2, 1, 1);
fatal_posix_service_status( status, -1, "sem_init error return status");
fatal_posix_service_status( errno, ENOSYS, "sem_init errno set to ENOSYS");
puts( "Init: sem_getvalue - SUCCESSFUL ");
for (i = 0; i < MAX_SEMS; i++) {
status = sem_getvalue(&sems[i], &value);
sprintf( failure_msg, "sem_getvalue %d", i );
fatal_posix_service_status( status, 0, failure_msg );
fatal_posix_service_status( value, i, "sem_getvalue correct value" );
}
puts( "Init: sem_getvalue - UNSUCCESSFUL ");
status = sem_getvalue(&sem2, &value);
fatal_posix_service_status( status, -1, "sem_getvalue error return status");
fatal_posix_service_status( errno, EINVAL, "sem_getvalue errno EINVAL");
puts( "Init: sem_destroy - SUCCESSFUL" );
status = sem_destroy(&sems[0]);
fatal_posix_service_status( status, 0, "sem_destroy semaphore 0");
puts( "Init: sem_destroy - UNSUCCESSFUL (EINVAL)" );
status = sem_destroy(&sem2);
fatal_posix_service_status( status, -1, "sem_destroy error return status");
fatal_posix_service_status( errno, EINVAL, "sem_destroy errno EINVAL");
puts( "Init: sem_wait - SUCCESSFUL" );
status = sem_wait(&sems[1]);
fatal_posix_service_status( status, 0, "sem_wait semaphore 1");
/* sem[1].count = 0 */
puts( "Init: sem_wait - UNSUCCESSFUL (EINVAL)" );
status = sem_wait(&sem2);
fatal_posix_service_status( status, -1, "sem_wait error return status");
fatal_posix_service_status( errno, EINVAL, "sem_wait errno EINVAL");
puts( "Init: sem_post - SUCCESSFUL" );
status = sem_post(&sems[1]);
fatal_posix_service_status( status, 0, "sem_post semaphore 1");
/* sem[1].count = 1 */
puts( "Init: sem_wait - SUCCESSFUL (after a sem_post)" );
status = sem_wait(&sems[1]);
fatal_posix_service_status( status, 0, "sem_wait semaphore 1");
/* sem[1].count = 0 */
puts( "Init: sem_trywait - SUCCESSFUL" );
status = sem_trywait(&sems[2]);
fatal_posix_service_status( status, 0, "sem_trywait semaphore 2");
/* sem[2].count = 1 */
puts( "Init: sem_trywait - UNSUCCESSFUL (EAGAIN)" );
status = sem_trywait(&sems[1]);
fatal_posix_service_status( status, -1, "sem_trywait error return status");
fatal_posix_service_status( errno, EAGAIN, "sem_trywait errno EAGAIN");
/* sem[1].count = 0 */
puts( "Init: sem_trywait - UNSUCCESSFUL (EINVAL)" );
status = sem_trywait(&sem2);
fatal_posix_service_status( status, -1, "sem_trywait error return status");
fatal_posix_service_status( errno, EINVAL, "sem_trywait errno EINVAL");
#if 0
status = sem_post(&sems[2]);
fatal_posix_service_status( status, 0, "sem_post semaphore 2");
/* sem[2].count = 2 */
#else
/* sem[2].count = 1 */
#endif
puts( "Init: sem_timedwait - SUCCESSFUL" );
waittime.tv_sec = time(NULL) + 1;
waittime.tv_nsec = 100;
status = sem_timedwait(&sems[2], &waittime);
fatal_posix_service_status( status, 0, "sem_timedwait semaphore 2");
/* sem[2].count = 0 */
puts( "Init: sem_timedwait - UNSUCCESSFUL (ETIMEDOUT)" );
status = sem_timedwait(&sems[2], &waittime);
fatal_posix_service_status( status, -1, "sem_timedwait error return status");
fatal_posix_service_status(
errno, ETIMEDOUT, "sem_timedwait errno ETIMEDOUT");
/*
* To do this case, we must be blocking when we want the semaphore.
* POSIX doesn't want you to check the error if you can get the resource.
*/
#if 1
puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL) -- skipping" );
#else
puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL)" );
waittime.tv_sec = 0;
waittime.tv_nsec = 0x7FFFFFFF;
status = sem_timedwait(&sems[2], &waittime);
fatal_posix_service_status( status, -1, "sem_timedwait error return status");
fatal_posix_service_status( errno, EINVAL, "sem_init errno EINVAL");
#endif
puts( "Init: sem_post - UNSUCCESSFUL (EINVAL)" );
status = sem_post(&sem2);
fatal_posix_service_status( status, -1, "sem_post error return status");
fatal_posix_service_status( errno, EINVAL, "sem_post errno EINVAL");
puts( "Init: sem_destroy - SUCCESSFUL" );
for (i = 1; i < MAX_SEMS; i++) {
status = sem_destroy(&sems[i]);
sprintf( failure_msg, "sem_destroy %d", i );
fatal_posix_service_status( status, 0, failure_msg );
}
/* Modes are currently unsupported */
/*
* Validate all sem_open return paths.
*/
puts( "Init: sem_open - UNSUCCESSFUL (ENAMETOOLONG)" );
n_sem1 = sem_open(Get_Too_Long_Name(), O_CREAT, 0777, 1 );
fatal_posix_service_status(
(int) n_sem1, (int) SEM_FAILED, "sem_open error return status");
fatal_posix_service_status(
errno, ENAMETOOLONG, "sem_open errorno ENAMETOOLONG" );
puts( "Init: sem_open - sem1 SUCCESSFUL" );
n_sem1 = sem_open( "sem1",O_CREAT, 0777, 1 );
assert( n_sem1 != SEM_FAILED );
puts( "Init: sem_destroy - named sem1 - EINVAL" );
status = sem_destroy(n_sem1);
fatal_posix_service_status( status, -1, "sem_destroy named semaphore");
fatal_posix_service_status( errno, EINVAL, "sem_destroy named semaphore");
puts( "Init: sem_open - Create an Existing sem (EEXIST)" );
n_sem2 = sem_open("sem1", O_CREAT | O_EXCL, 0777, 1);
fatal_posix_service_status(
(int) n_sem2, (int) SEM_FAILED, "sem_open error return status" );
fatal_posix_service_status( errno, EEXIST, "sem_open errno EEXIST");
puts( "Init: sem_open - Open new sem without create flag (ENOENT)" );
n_sem2 = sem_open("sem3", O_EXCL, 0777, 1);
fatal_posix_service_status(
(int) n_sem2, (int) SEM_FAILED, "sem_open error return status" );
fatal_posix_service_status( errno, ENOENT, "sem_open errno EEXIST");
/*
* XXX - Could not hit the following errors:
* E_POSIX_Semaphore_Create_support only fails if
* ENOSYS - When semaphore is shared between processes.
* ENOSPC - When out of memory.
*/
/*
* Validate we can wait on a semaphore opened with sem_open.
*/
puts( "Init: sem_wait on sem1" );
status = sem_wait(n_sem1);
fatal_posix_service_status( status, 0, "sem_wait opened semaphore");
/*
* Validate a second open returns the same semaphore.
*/
puts( "Init: sem_open - Open an existing sem ( same id )" );
n_sem2 = sem_open("sem1", 0 );
fatal_posix_service_status(
(int) n_sem2, (int) n_sem1, "sem_open error return status" );
/*
* Unlink the semaphore, then verify an open of the same name produces a
* different semaphore.
*/
puts( "Init: sem_unlink - sem1 SUCCESSFUL" );
status = sem_unlink( "sem1" );
fatal_posix_service_status( status, 0, "sem_unlink locked semaphore");
puts( "Init: sem_open - Reopen sem1 SUCCESSFUL with a different id" );
n_sem2 = sem_open( "sem1", O_CREAT | O_EXCL, 0777, 1);
assert( n_sem2 != SEM_FAILED );
assert( n_sem2 != n_sem1 );
/*
* Validate we can call close on a semaphore opened with sem_open.
*/
puts( "Init: sem_close (1) - SUCCESSFUL" );
status = sem_close( n_sem1 );
fatal_posix_service_status( status, 0, "sem_close semaphore");
/*
* Validate it n_sem2 (the last open for sem1 name can be
* correctly closed and unlinked.
*/
puts( "Init: sem_close (2) - SUCCESSFUL" );
status = sem_close( n_sem2 );
fatal_posix_service_status( status, 0, "sem_close semaphore");
puts( "Init: sem_unlink - sem1 (2) SUCCESSFUL" );
status = sem_unlink( "sem1" );
fatal_posix_service_status( status, 0, "sem_unlink locked semaphore");
puts( "Init: sem_close - UNSUCCESSFUL (EINVAL)" );
status = sem_close(n_sem2);
fatal_posix_service_status( status, -1, "sem_close error return status");
fatal_posix_service_status( errno, EINVAL, "sem_close errno EINVAL");
puts( "Init: sem_unlink - UNSUCCESSFUL (ENOENT)" );
status = sem_unlink("sem1");
fatal_posix_service_status( status, -1, "sem_unlink error return status");
fatal_posix_service_status( errno, ENOENT, "sem_close errno EINVAL");
/*
* Validate we can unlink (2)
*/
puts( "Init: sem_unlink (NULL) - EINVAL" );
status = sem_unlink( NULL );
fatal_posix_service_status( status, -1, "sem_unlink error return status");
fatal_posix_service_status( errno, EINVAL, "sem_unlink errno value");
puts( "Init: sem_unlink (\"\") - EINVAL" );
status = sem_unlink( "" );
fatal_posix_service_status( status, -1, "sem_unlink error return status");
fatal_posix_service_status( errno, EINVAL, "sem_unlink errno value");
/*
* XXX - Cant' create location OBJECTS_ERROR or OBJECTS_REMOTE.
* sem_close and sem_unlink.
*/
puts( "Init: sem_unlink - UNSUCCESSFUL (ENOENT)" );
status = sem_unlink("sem2");
fatal_posix_service_status( status, -1, "sem_unlink error return status");
fatal_posix_service_status( errno, ENOENT, "sem_unlink errno ENOENT");
assert( (status == -1) && (errno == ENOENT) );
/* Try adding in unlinking before closing... (can we still open?) */
puts( "*** END OF POSIX SEMAPHORE MANAGER TEST 1 ***" );
rtems_test_exit(0);
return NULL; /* just so the compiler thinks we returned something */
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_MAXIMUM_POSIX_THREADS 1
#define CONFIGURE_MAXIMUM_POSIX_SEMAPHORES MAX_SEMS
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_POSIX_INIT_THREAD_STACK_SIZE \
(RTEMS_MINIMUM_STACK_SIZE * 4)
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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