forked from Imagelibrary/rtems
c090db7405
For semaphore object pointer and object validation see POSIX_SEMAPHORE_VALIDATE_OBJECT(). Destruction or close of a busy semaphore returns an error status. The object is not flushed. POSIX semaphores are now available in all configurations and no longer depend on --enable-posix. Update #2514. Update #3116.
637 lines
17 KiB
C
637 lines
17 KiB
C
/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sched.h>
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#include <semaphore.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <time.h>
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#include <tmacros.h>
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#include <pmacros.h>
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#include "test_support.h"
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const char rtems_test_name[] = "PSXSEM 1";
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/* forward declarations to avoid warnings */
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void *POSIX_Init(void *argument);
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#define MAX_SEMS 10
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static void *sem_wait_task(void *arg)
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{
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sem_t *sem;
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int rv;
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sem = arg;
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rv = sem_wait( sem );
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rtems_test_assert( rv == 0 );
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rv = sem_wait( sem );
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rtems_test_assert( rv == 0 );
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return NULL;
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}
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static void test_sem_wait_during_delete(void)
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{
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sem_t sem;
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int rv;
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pthread_t th;
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int eno;
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int val;
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rv = sem_init( &sem, 0, 1 );
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rtems_test_assert( rv == 0 );
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eno = pthread_create( &th, NULL, sem_wait_task, &sem );
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rtems_test_assert( eno == 0 );
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == 1 );
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sched_yield();
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == 0 );
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errno = 0;
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rv = sem_destroy( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EBUSY );
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rv = sem_post( &sem );
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rtems_test_assert( rv == 0 );
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eno = pthread_join( th, NULL );
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rtems_test_assert( eno == 0 );
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rv = sem_destroy( &sem );
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rtems_test_assert( rv == 0 );
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}
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static void test_named_sem_wait_during_delete(void)
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{
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sem_t *sem;
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sem_t *sem2;
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int rv;
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pthread_t th;
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int eno;
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int val;
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sem = sem_open( "sem", O_CREAT | O_EXCL, 0777, 1 );
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rtems_test_assert( sem != SEM_FAILED );
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sem2 = sem_open( "sem", 0 );
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rtems_test_assert( sem2 != SEM_FAILED );
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rtems_test_assert( sem == sem2 );
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eno = pthread_create( &th, NULL, sem_wait_task, sem );
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rtems_test_assert( eno == 0 );
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rv = sem_getvalue( sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == 1 );
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sched_yield();
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rv = sem_getvalue( sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == 0 );
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rv = sem_close( sem2 );
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rtems_test_assert( rv == 0 );
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errno = 0;
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rv = sem_close( sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EBUSY );
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rv = sem_post( sem );
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rtems_test_assert( rv == 0 );
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eno = pthread_join( th, NULL );
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rtems_test_assert( eno == 0 );
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rv = sem_close( sem );
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rtems_test_assert( rv == 0 );
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rv = sem_unlink( "sem" );
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rtems_test_assert( rv == 0 );
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}
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static void test_sem_post_overflow(void)
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{
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sem_t sem;
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int rv;
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int val;
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rv = sem_init( &sem, 0, SEM_VALUE_MAX );
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rtems_test_assert( rv == 0 );
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == (int) SEM_VALUE_MAX );
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errno = 0;
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rv = sem_post( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EOVERFLOW );
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == (int) SEM_VALUE_MAX );
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rv = sem_wait( &sem );
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rtems_test_assert( rv == 0 );
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rv = sem_post( &sem );
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rtems_test_assert( rv == 0 );
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rv = sem_destroy( &sem );
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rtems_test_assert( rv == 0 );
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}
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static void test_sem_init_too_large_inital_value(void)
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{
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sem_t sem;
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sem_t *sem2;
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int rv;
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errno = 0;
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rv = sem_init( &sem, 0, (unsigned int) SEM_VALUE_MAX + 1 );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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sem2 = sem_open(
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"sem",
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O_CREAT | O_EXCL,
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0777,
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(unsigned int) SEM_VALUE_MAX + 1
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);
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rtems_test_assert( sem2 == SEM_FAILED );
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rtems_test_assert( errno == EINVAL );
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}
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static void test_sem_null(void)
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{
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int rv;
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int val;
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struct timespec to;
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rtems_test_assert( NULL == SEM_FAILED );
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errno = 0;
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rv = sem_init( NULL, 0, 0 );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_wait( NULL );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_post( NULL );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_wait( NULL );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_trywait( NULL );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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to.tv_sec = 1;
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to.tv_nsec = 1;
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errno = 0;
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rv = sem_timedwait( NULL, &to );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_getvalue( NULL, &val );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_destroy( NULL );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_close( NULL );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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}
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static void test_sem_not_initialized(void)
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{
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sem_t sem;
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int rv;
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int val;
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struct timespec to;
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memset( &sem, 0xff, sizeof( sem ) );
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errno = 0;
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rv = sem_wait( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_post( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_wait( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_trywait( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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to.tv_sec = 1;
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to.tv_nsec = 1;
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errno = 0;
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rv = sem_timedwait( &sem, &to );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_destroy( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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errno = 0;
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rv = sem_close( &sem );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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}
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static void test_sem_invalid_copy(void)
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{
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sem_t sem;
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sem_t sem2;
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int rv;
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int val;
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rv = sem_init( &sem, 0, 0 );
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rtems_test_assert( rv == 0 );
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val = 1;
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( val == 0 );
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memcpy( &sem2, &sem, sizeof( sem2 ) );
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errno = 0;
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rv = sem_getvalue( &sem2, &val );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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rv = sem_destroy( &sem );
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rtems_test_assert( rv == 0 );
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errno = 0;
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rv = sem_getvalue( &sem, &val );
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rtems_test_assert( rv == -1 );
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rtems_test_assert( errno == EINVAL );
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}
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void *POSIX_Init(
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void *argument
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)
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{
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int status;
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int value;
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int i;
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sem_t sems[MAX_SEMS];
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sem_t sem2;
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sem_t *n_sem1;
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sem_t *n_sem2;
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struct timespec waittime;
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char failure_msg[80];
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TEST_BEGIN();
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puts( "Init: sem_init - SUCCESSFUL" );
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status = sem_init(&sem2, 1, 1);
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fatal_posix_service_status( status, 0, "sem_init with pshared != 0");
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puts( "Init: sem_destroy - SUCCESSFUL" );
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status = sem_destroy(&sem2);
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fatal_posix_service_status( status, 0, "sem_destroy");
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puts( "Init: sem_init - UNSUCCESSFUL (EINVAL)" );
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status = sem_init(NULL, 0, 1);
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fatal_posix_service_status( status, -1, "sem_init error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_init errorno EINVAL" );
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puts( "Init: sem_init - SUCCESSFUL" );
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for (i = 0; i < MAX_SEMS; i++) {
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status = sem_init(&sems[i], 0, i);
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sprintf(failure_msg, "sem_init %d", i );
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fatal_posix_service_status( status, 0, failure_msg);
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}
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puts( "Init: sem_init - SUCCESSFUL" );
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status = sem_init(&sem2, 0, 1);
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fatal_posix_service_status( status, 0, "sem_init");
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puts( "Init: sem_destroy - SUCCESSFUL" );
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status = sem_destroy(&sem2);
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fatal_posix_service_status( status, 0, "sem_destroy");
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puts( "Init: sem_getvalue - SUCCESSFUL ");
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for (i = 0; i < MAX_SEMS; i++) {
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status = sem_getvalue(&sems[i], &value);
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sprintf( failure_msg, "sem_getvalue %d", i );
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fatal_posix_service_status( status, 0, failure_msg );
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fatal_posix_service_status( value, i, "sem_getvalue correct value" );
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}
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puts( "Init: sem_getvalue - UNSUCCESSFUL ");
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status = sem_getvalue(SEM_FAILED, &value);
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fatal_posix_service_status( status, -1, "sem_getvalue error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_getvalue errno EINVAL");
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puts( "Init: sem_destroy - SUCCESSFUL" );
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status = sem_destroy(&sems[0]);
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fatal_posix_service_status( status, 0, "sem_destroy semaphore 0");
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puts( "Init: sem_destroy - UNSUCCESSFUL (EINVAL)" );
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status = sem_destroy(SEM_FAILED);
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fatal_posix_service_status( status, -1, "sem_destroy error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_destroy errno EINVAL");
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puts( "Init: sem_wait - SUCCESSFUL" );
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status = sem_wait(&sems[1]);
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fatal_posix_service_status( status, 0, "sem_wait semaphore 1");
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/* sem[1].count = 0 */
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puts( "Init: sem_wait - UNSUCCESSFUL (EINVAL)" );
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status = sem_wait(SEM_FAILED);
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fatal_posix_service_status( status, -1, "sem_wait error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_wait errno EINVAL");
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puts( "Init: sem_post - SUCCESSFUL" );
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status = sem_post(&sems[1]);
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fatal_posix_service_status( status, 0, "sem_post semaphore 1");
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/* sem[1].count = 1 */
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puts( "Init: sem_wait - SUCCESSFUL (after a sem_post)" );
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status = sem_wait(&sems[1]);
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fatal_posix_service_status( status, 0, "sem_wait semaphore 1");
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/* sem[1].count = 0 */
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puts( "Init: sem_trywait - SUCCESSFUL" );
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status = sem_trywait(&sems[2]);
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fatal_posix_service_status( status, 0, "sem_trywait semaphore 2");
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/* sem[2].count = 1 */
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puts( "Init: sem_trywait - UNSUCCESSFUL (EAGAIN)" );
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status = sem_trywait(&sems[1]);
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fatal_posix_service_status( status, -1, "sem_trywait error return status");
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fatal_posix_service_status( errno, EAGAIN, "sem_trywait errno EAGAIN");
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/* sem[1].count = 0 */
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puts( "Init: sem_trywait - UNSUCCESSFUL (EINVAL)" );
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status = sem_trywait(SEM_FAILED);
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fatal_posix_service_status( status, -1, "sem_trywait error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_trywait errno EINVAL");
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#if 0
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status = sem_post(&sems[2]);
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fatal_posix_service_status( status, 0, "sem_post semaphore 2");
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/* sem[2].count = 2 */
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#else
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/* sem[2].count = 1 */
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#endif
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puts( "Init: sem_timedwait - SUCCESSFUL" );
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waittime.tv_sec = time(NULL) + 1;
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waittime.tv_nsec = 100;
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status = sem_timedwait(&sems[2], &waittime);
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fatal_posix_service_status( status, 0, "sem_timedwait semaphore 2");
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/* sem[2].count = 0 */
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puts( "Init: sem_timedwait - UNSUCCESSFUL (ETIMEDOUT)" );
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status = sem_timedwait(&sems[2], &waittime);
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fatal_posix_service_status( status, -1, "sem_timedwait error return status");
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fatal_posix_service_status(
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errno, ETIMEDOUT, "sem_timedwait errno ETIMEDOUT");
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/*
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* To do this case, we must be blocking when we want the semaphore.
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* POSIX doesn't want you to check the error if you can get the resource.
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*/
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#if 1
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puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL) -- skipping" );
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#else
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puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL)" );
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waittime.tv_sec = 0;
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waittime.tv_nsec = 0x7FFFFFFF;
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status = sem_timedwait(&sems[2], &waittime);
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fatal_posix_service_status( status, -1, "sem_timedwait error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_init errno EINVAL");
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#endif
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puts( "Init: sem_post - UNSUCCESSFUL (EINVAL)" );
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status = sem_post(SEM_FAILED);
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fatal_posix_service_status( status, -1, "sem_post error return status");
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fatal_posix_service_status( errno, EINVAL, "sem_post errno EINVAL");
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puts( "Init: sem_destroy - SUCCESSFUL" );
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for (i = 1; i < MAX_SEMS; i++) {
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status = sem_destroy(&sems[i]);
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sprintf( failure_msg, "sem_destroy %d", i );
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fatal_posix_service_status( status, 0, failure_msg );
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}
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/* Modes are currently unsupported */
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/*
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* Validate all sem_open return paths.
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*/
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puts( "Init: sem_open - UNSUCCESSFUL (ENAMETOOLONG)" );
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n_sem1 = sem_open(Get_Too_Long_Name(), O_CREAT, 0777, 1 );
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fatal_posix_sem( n_sem1, "sem_open error return status" );
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fatal_posix_service_status(
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errno, ENAMETOOLONG, "sem_open errorno ENAMETOOLONG" );
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puts( "Init: sem_open - sem1 SUCCESSFUL" );
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n_sem1 = sem_open( "sem1",O_CREAT, 0777, 1 );
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rtems_test_assert( n_sem1 != SEM_FAILED );
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puts( "Init: sem_destroy - named sem1 - EINVAL" );
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status = sem_destroy(n_sem1);
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fatal_posix_service_status( status, -1, "sem_destroy named semaphore");
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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_sem( n_sem2, "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_sem( n_sem2, "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 );
|
|
rtems_test_assert( n_sem2 == n_sem1 );
|
|
|
|
/*
|
|
* 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);
|
|
rtems_test_assert( n_sem2 != SEM_FAILED );
|
|
rtems_test_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 (\"\") - ENOENT" );
|
|
status = sem_unlink( "" );
|
|
fatal_posix_service_status( status, -1, "sem_unlink error return status");
|
|
fatal_posix_service_status( errno, ENOENT, "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");
|
|
rtems_test_assert( (status == -1) && (errno == ENOENT) );
|
|
|
|
test_named_sem_wait_during_delete();
|
|
test_sem_wait_during_delete();
|
|
test_sem_post_overflow();
|
|
test_sem_init_too_large_inital_value();
|
|
test_sem_null();
|
|
test_sem_not_initialized();
|
|
test_sem_invalid_copy();
|
|
|
|
/* Try adding in unlinking before closing... (can we still open?) */
|
|
|
|
TEST_END();
|
|
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_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
|
|
|
|
#define CONFIGURE_MAXIMUM_POSIX_THREADS 2
|
|
#define CONFIGURE_MAXIMUM_POSIX_SEMAPHORES 2
|
|
|
|
#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>
|