TEST(pthread, pthread_cond_broadcast__preserves_condattr_flags) {
#if defined(__BIONIC__) // This tests a bionic implementation detail.
pthread_condattr_t attr;
pthread_condattr_init(&attr);
ASSERT_EQ(0, pthread_condattr_setclock(&attr, CLOCK_MONOTONIC));
ASSERT_EQ(0, pthread_condattr_setpshared(&attr, PTHREAD_PROCESS_SHARED));
pthread_cond_t cond_var;
ASSERT_EQ(0, pthread_cond_init(&cond_var, &attr));
ASSERT_EQ(0, pthread_cond_signal(&cond_var));
ASSERT_EQ(0, pthread_cond_broadcast(&cond_var));
attr = static_cast<pthread_condattr_t>(cond_var.value);
clockid_t clock;
ASSERT_EQ(0, pthread_condattr_getclock(&attr, &clock));
ASSERT_EQ(CLOCK_MONOTONIC, clock);
int pshared;
ASSERT_EQ(0, pthread_condattr_getpshared(&attr, &pshared));
ASSERT_EQ(PTHREAD_PROCESS_SHARED, pshared);
#else // __BIONIC__
GTEST_LOG_(INFO) << "This test does nothing.\n";
#endif // __BIONIC__
}
int main()
{
/* Make sure there is process-shared capability. */
#ifndef PTHREAD_PROCESS_SHARED
fprintf(stderr,"process-shared attribute is not available for testing\n");
return PTS_UNRESOLVED;
#endif
pthread_condattr_t attr;
int pshared;
/* Initialize a mutex attributes object */
if (pthread_condattr_init(&attr) != 0)
{
perror("Error at pthread_condattr_init()\n");
return PTS_UNRESOLVED;
}
/* The default 'pshared' attribute should be PTHREAD_PROCESS_PRIVATE */
if (pthread_condattr_getpshared(&attr, &pshared) != 0)
{
fprintf(stderr,"Error obtaining the attribute process-shared\n");
return PTS_UNRESOLVED;
}
if (pshared != PTHREAD_PROCESS_PRIVATE)
{
printf("Test FAILED: Incorrect default pshared value: %d\n", pshared);
return PTS_FAIL;
}
printf("Test PASSED\n");
return PTS_PASS;
}
static int my_pthread_cond_init(pthread_cond_t *cond,
const pthread_condattr_t *attr)
{
pthread_cond_t *realcond = NULL;
int pshared = 0;
if (attr)
pthread_condattr_getpshared(attr, &pshared);
if (!pshared) {
/* non shared, standard cond: use malloc */
realcond = malloc(sizeof(pthread_cond_t));
*((unsigned int *) cond) = (unsigned int) realcond;
}
else {
/* process-shared condition: use the shared memory segment */
hybris_shm_pointer_t handle = hybris_shm_alloc(sizeof(pthread_cond_t));
*((unsigned int *)cond) = (unsigned int) handle;
if (handle)
realcond = (pthread_cond_t *)hybris_get_shmpointer(handle);
}
return pthread_cond_init(realcond, attr);
}
static int
check (pthread_condattr_t *condattr, int pshared, clockid_t cl)
{
clockid_t cl2;
if (pthread_condattr_getclock (condattr, &cl2) != 0)
{
puts ("condattr_getclock failed");
return 1;
}
if (cl != cl2)
{
printf ("condattr_getclock returned wrong value: %d, expected %d\n",
(int) cl2, (int) cl);
return 1;
}
int p;
if (pthread_condattr_getpshared (condattr, &p) != 0)
{
puts ("condattr_getpshared failed");
return 1;
}
else if (p != pshared)
{
printf ("condattr_getpshared returned wrong value: %d, expected %d\n",
p, pshared);
return 1;
}
return 0;
}
void test( void )
{
pthread_condattr_t attribute;
int pshared;
int result;
result = pthread_condattr_getpshared( &attribute, &pshared );
}
int main()
{
/* Make sure there is process-shared capability. */
#ifndef PTHREAD_PROCESS_SHARED
fprintf(stderr,
"process-shared attribute is not available for testing\n");
return PTS_UNRESOLVED;
#endif
pthread_condattr_t attr[NUM_OF_CONDATTR];
int ret, i, pshared;
for (i = 0; i < NUM_OF_CONDATTR; i++) {
/* Initialize a cond attributes object */
if (pthread_condattr_init(&attr[i]) != 0) {
perror("Error at pthread_condattr_init()\n");
return PTS_UNRESOLVED;
}
/* Set 'pshared' to PTHREAD_PROCESS_PRIVATE. */
ret =
pthread_condattr_setpshared(&attr[i],
PTHREAD_PROCESS_PRIVATE);
if (ret != 0) {
printf
("Test FAILED: Could not set pshared to PTHREAD_PROCESS_PRIVATE, error: %d\n",
ret);
return PTS_FAIL;
}
/* Get 'pshared'. It should be PTHREAD_PROCESS_PRIVATE. */
if (pthread_condattr_getpshared(&attr[i], &pshared) != 0) {
printf
("Test FAILED: obtaining the wrong process-shared attribute, expected PTHREAD_PROCESS_PRIVATE, but got: %d\n",
pshared);
return PTS_FAIL;
}
if (pshared != PTHREAD_PROCESS_PRIVATE) {
printf("Test FAILED: Incorrect pshared value: %d\n",
pshared);
return PTS_FAIL;
}
/* Destory the cond attributes object */
if (pthread_condattr_destroy(&attr[i]) != 0) {
perror("Error at pthread_condattr_destroy()\n");
return PTS_UNRESOLVED;
}
}
printf("Test PASSED\n");
return PTS_PASS;
}
TEST(pthread, pthread_condattr_init) {
pthread_condattr_t attr;
pthread_condattr_init(&attr);
clockid_t clock;
ASSERT_EQ(0, pthread_condattr_getclock(&attr, &clock));
ASSERT_EQ(CLOCK_REALTIME, clock);
int pshared;
ASSERT_EQ(0, pthread_condattr_getpshared(&attr, &pshared));
ASSERT_EQ(PTHREAD_PROCESS_PRIVATE, pshared);
}
static void print_shared(pthread_condattr_t *attr)
{
int rc;
int shared;
char *s;
rc = pthread_condattr_getpshared( attr, &shared );
assert( rc == 0 );
switch ( shared ) {
case PTHREAD_PROCESS_PRIVATE: s = "PTHREAD_PROCESS_PRIVATE"; break;
case PTHREAD_PROCESS_SHARED: s = "PTHREAD_PROCESS_SHARED"; break;
default: s = "UNKNOWN"; break;
}
printf( "Process shared: %s\n", s );
}
static int print_condattr(const pthread_condattr_t *cond_attr)
{
if (cond_attr == NULL)
{
return THREAD_ATTR_FAILED;
}
int ret = 0;
int pshare = 0;
ret = pthread_condattr_getpshared(cond_attr, &pshare);
if (pshare == PTHREAD_PROCESS_PRIVATE)
{
printf("cond shared: PRIVATE\n");
}
else if (pshare == PTHREAD_PROCESS_SHARED)
{
printf("cond shared: SHARED\n");
}
return THREAD_ATTR_OK;
}
void *POSIX_Init(
void *argument
)
{
int status;
pthread_condattr_t attr;
pthread_condattr_t attr_error;
int pshared;
pthread_cond_t cond;
struct timespec timeout;
puts( "\n\n*** POSIX TEST 10 ***" );
puts( "Init: pthread_condattr_init" );
status = pthread_condattr_init( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_condattr_init - EINVAL (attribute invalid)" );
status = pthread_condattr_init( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_condattr_destroy" );
status = pthread_condattr_destroy( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_condattr_destroy - EINVAL (attribute invalid)" );
status = pthread_condattr_destroy( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_condattr_init" );
status = pthread_condattr_init( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_condattr_setpshared - PTHREAD_PROCESS_SHARED" );
status = pthread_condattr_setpshared( &attr, PTHREAD_PROCESS_SHARED );
rtems_test_assert( !status );
puts( "Init: pthread_condattr_setpshared - PTHREAD_PROCESS_PRIVATE" );
status = pthread_condattr_setpshared( &attr, PTHREAD_PROCESS_PRIVATE );
rtems_test_assert( !status );
status = pthread_condattr_setpshared( NULL, PTHREAD_PROCESS_PRIVATE );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_condattr_setpshared - EINVAL (attribute invalid)" );
status = pthread_condattr_setpshared( &attr, 0x7FFF );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_condattr_setpshared - EINVAL (pshared invalid)" );
status = pthread_condattr_getpshared( &attr, &pshared );
rtems_test_assert( !status );
printf( "Init: pthread_condattr_getpshared - %d\n", pshared );
status = pthread_condattr_getpshared( NULL, &pshared );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_condattr_getpshared - EINVAL (attribute invalid)" );
puts( "Init: pthread_cond_init - NULL attr" );
status = pthread_cond_init( &cond, NULL );
rtems_test_assert( !status );
/* error for attribute not initialized */
attr_error.is_initialized = FALSE;
status = pthread_cond_init( &cond, &attr_error );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_init - EINVAL (attr not initialized)" );
status = pthread_cond_init( &cond, NULL );
if ( status != ENOMEM )
printf( "status = %d\n", status );
rtems_test_assert( status == ENOMEM );
puts( "Init: pthread_cond_init - ENOMEM (too many conds)" );
puts( "Init: pthread_cond_destroy" );
status = pthread_cond_destroy( &cond );
rtems_test_assert( !status );
/* error for bad condition variable passed */
status = pthread_cond_destroy( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_destroy - EINVAL (cond invalid)" );
/* initiailize the attribute for the rest of the test */
puts( "Init: pthread_cond_init - attr" );
status = pthread_cond_init( &Cond1_id, &attr );
rtems_test_assert( !status );
/* signal task1 with a condition variable */
empty_line();
status = pthread_create( &Task_id, NULL, Task_1, NULL );
rtems_test_assert( !status );
/* switch to task1 to allow it to wait for a condition variable */
puts( "Init: sleep to switch to Task_1" );
sleep( 1 );
status = pthread_cond_destroy( &Cond1_id );
if ( status != EBUSY )
printf( "status = %d\n", status );
rtems_test_assert( status == EBUSY );
puts( "Init: pthread_cond_destroy - EBUSY (task1 waiting)" );
puts( "Init: pthread_cond_signal" );
status = pthread_cond_signal( &Cond1_id );
rtems_test_assert( !status );
empty_line();
status = pthread_create( &Task2_id, NULL, Task_2, NULL );
rtems_test_assert( !status );
/* switch to task1 and task2 to allow them to wait for broadcast signal */
puts( "Init: sleep - switch to Task_1 and Task_2" );
sleep( 1 );
/* broadcast a condition variable to task1 and task2 */
puts( "Init: pthread_cond_broadcast" );
status = pthread_cond_broadcast( &Cond1_id );
rtems_test_assert( !status );
puts( "Init: sleep - switch to Task_1" );
sleep( 0 );
/* timedwait case - timeout */
status = pthread_mutex_lock( &Mutex_id );
rtems_test_assert( !status );
/* set timeout to 3 seconds */
status = clock_gettime( CLOCK_REALTIME, &timeout );
rtems_test_assert( !status );
timeout.tv_sec += 3;
timeout.tv_nsec = 0;
puts( "Init: pthread_cond_timedwait for 3 seconds" );
status = pthread_cond_timedwait( &Cond1_id, &Mutex_id, &timeout );
if ( status != ETIMEDOUT )
printf( "status = %d\n", status );
rtems_test_assert( status == ETIMEDOUT );
puts( "Init: pthread_cond_timedwait - ETIMEDOUT - (mutex not acquired)" );
status = pthread_mutex_unlock( &Mutex_id );
rtems_test_assert( !status );
/* remaining error messages */
empty_line();
/* errors for bad variable passed */
status = pthread_cond_signal( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_signal - EINVAL (cond invalid)" );
status = pthread_cond_broadcast( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_broadcast - EINVAL (cond invalid)" );
/* acquire mutex so errors will occur */
status = pthread_mutex_lock( &Mutex_id );
rtems_test_assert( !status );
status = pthread_cond_wait( NULL, &Mutex_id );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_wait - EINVAL (cond invalid)" );
status = pthread_cond_timedwait( NULL, &Mutex_id, &timeout );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_timedwait - EINVAL (cond invalid)" );
status = pthread_cond_wait( &Cond1_id, NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_wait - EINVAL (mutex invalid)" );
status = pthread_cond_timedwait( &Cond1_id, NULL, &timeout );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_timedwait - EINVAL (mutex invalid)" );
status = pthread_cond_timedwait( &Cond1_id, &Mutex_id, NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_cond_timedwait - EINVAL (abstime NULL)" );
status = clock_gettime( CLOCK_REALTIME, &timeout );
rtems_test_assert( !status );
timeout.tv_sec -= 1;
status = pthread_cond_timedwait( &Cond1_id, &Mutex_id, &timeout );
if ( status != ETIMEDOUT )
printf( "status = %d\n", status );
rtems_test_assert( status == ETIMEDOUT );
puts( "Init: pthread_cond_timedwait - ETIMEDOUT (abstime->tv_sec < current time)" );
status = pthread_mutex_unlock( &Mutex_id );
rtems_test_assert( !status );
status = pthread_mutex_lock( &Mutex_id );
rtems_test_assert( !status );
/* ensure we do not catch a 0 nanosecond boundary */
do {
status = clock_gettime( CLOCK_REALTIME, &timeout );
rtems_test_assert( !status );
timeout.tv_nsec -= 1;
} while ( timeout.tv_nsec < 0);
status = pthread_cond_timedwait( &Cond1_id, &Mutex_id, &timeout );
if ( status != ETIMEDOUT )
printf( "status = %d\n", status );
rtems_test_assert( status == ETIMEDOUT );
puts( "Init: pthread_cond_timedwait - ETIMEDOUT (abstime->tv_nsec < current time)" );
status = pthread_mutex_unlock( &Mutex_id );
rtems_test_assert( !status );
/* wait and timedwait without mutex */
/* XXX - this case is commented out in the code pending review
*
* status = pthread_cond_wait( &Cond1_id, &Mutex_id );
* if ( status != EINVAL )
* printf( "status = %d\n", status );
* rtems_test_assert( status == EINVAL );
*/
puts( "Init: pthread_cond_wait - EINVAL (mutex not locked before call)" );
/* XXX - this case is commented out in the code pending review
*
* status = clock_gettime( CLOCK_REALTIME, &timeout );
* rtems_test_assert( !status );
* timeout.tv_sec += 1;
* status = pthread_cond_timedwait( &Cond1_id, &Mutex_id, &timeout );
* if ( status != EINVAL )
* printf( "status = %d\n", status );
* rtems_test_assert( status == EINVAL );
*/
puts( "Init: pthread_cond_timedwait - EINVAL (mutex not locked before call)");
empty_line();
status = pthread_create( &Task3_id, NULL, Task_3, NULL );
rtems_test_assert( !status );
/* switch to task3 to allow it to wait for broadcast signal */
puts( "Init: sleep - switch to Task_3" );
sleep( 1 );
/* destroy the mutex so Task3 can not acguire at the end of Wait_support */
status = pthread_mutex_destroy( &Mutex_id );
rtems_test_assert( !status );
/* signal a condition variable to task3 */
puts( "Init: pthread_cond_signal" );
status = pthread_cond_signal( &Cond1_id );
puts( "Init: sleep - switch to Task_3" );
sleep( 1 );
puts( "*** END OF POSIX TEST 10 ***" );
rtems_test_exit( 0 );
return NULL; /* just so the compiler thinks we returned something */
}