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_mutexattr_t mta;
int pshared;
/* Initialize a mutex attributes object */
if (pthread_mutexattr_init(&mta) != 0)
{
perror("Error at pthread_mutexattr_init()\n");
return PTS_UNRESOLVED;
}
/* The default 'pshared' attribute should be PTHREAD_PROCESS_PRIVATE */
if (pthread_mutexattr_getpshared(&mta, &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;
}
pshared_t MutexAttr::GetPShared()
{
int result;
if(pthread_mutexattr_getpshared(&m_MutexAttr,&result)!=0)
throw std::runtime_error("pthread_mutexattr_getpshared failed");
return pshared_t(result);
}
static int my_pthread_mutex_init(pthread_mutex_t *__mutex,
__const pthread_mutexattr_t *__mutexattr)
{
pthread_mutex_t *realmutex = NULL;
int pshared = 0;
if (__mutexattr)
pthread_mutexattr_getpshared(__mutexattr, &pshared);
if (!pshared) {
/* non shared, standard mutex: use malloc */
realmutex = malloc(sizeof(pthread_mutex_t));
*((unsigned int *)__mutex) = (unsigned int) realmutex;
}
else {
/* process-shared mutex: use the shared memory segment */
hybris_shm_pointer_t handle = hybris_shm_alloc(sizeof(pthread_mutex_t));
*((hybris_shm_pointer_t *)__mutex) = handle;
if (handle)
realmutex = (pthread_mutex_t *)hybris_get_shmpointer(handle);
}
return pthread_mutex_init(realmutex, __mutexattr);
}
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_mutexattr_t mta;
int ret;
int pshared;
/* Pass the uninitialized and invalid 'attr' object.*/
memset(&mta, 0, sizeof(mta));
/* The default 'pshared' attribute should be PTHREAD_PROCESS_PRIVATE */
ret=pthread_mutexattr_getpshared(&mta, &pshared);
if (ret != 0)
{
if (ret == EINVAL)
{
printf("Test PASSED\n");
return PTS_PASS;
}
printf("Test FAILED: Incorrect return code. Expected 0 or EINVAL, got: %d\n", ret);
return PTS_FAIL;
}
printf("Test PASSED: NOTE*: Returned 0 on error, though standard states 'may' fail.\n");
return PTS_PASS;
}
int
pthread_mutex_init (pthread_mutex_t *m, const pthread_mutexattr_t *a)
{
mutex_t *_m;
int r = mutex_ref_init (m);
if (r)
return r;
if (!(_m = (pthread_mutex_t)calloc(1,sizeof(*_m))))
{
pthread_spin_unlock (&mutex_global);
return ENOMEM;
}
_m->type = PTHREAD_MUTEX_DEFAULT;
_m->count = 0;
_m->busy = 0;
if (a)
{
int share = PTHREAD_PROCESS_PRIVATE;
r = pthread_mutexattr_gettype (a, &_m->type);
if (!r)
r = pthread_mutexattr_getpshared(a, &share);
if (!r && share == PTHREAD_PROCESS_SHARED)
r = ENOSYS;
}
if (!r)
{
if ((_m->h = CreateSemaphore(NULL, 1, 0x7fffffff, NULL)) == NULL)
{
switch (GetLastError()) {
case ERROR_ACCESS_DENIED:
r = EPERM;
break;
default: /* We assume this, to keep it simple: */
r = ENOMEM;
}
}
}
if (r)
{
_m->valid = DEAD_MUTEX;
free(_m);
*m = NULL;
pthread_spin_unlock (&mutex_global);
return r;
}
_m->valid = LIFE_MUTEX;
*m = _m;
pthread_spin_unlock (&mutex_global);
return 0;
}
/*!
Get the state of the shared flag
\return bool
\retval true - mutex can be used to synchronize processes.
\retval false - Mutex can only be used within the process.
*/
bool
CMutexAttr::isShareable()
{
int value;
int status = pthread_mutexattr_getpshared(&m_attributes, &value);
throwifbad(status, "CMutexAttr::isShareable");
return value == PTHREAD_PROCESS_SHARED;
}
void test( void )
{
pthread_mutexattr_t attribute;
int pshared;
int result;
result = pthread_mutexattr_getpshared( &attribute, &pshared );
}
void Print_mutexattr(
char *msg,
pthread_mutexattr_t *attr
)
{
int status;
int protocol;
int prioceiling;
int pshared;
/* protocol */
status = pthread_mutexattr_getprotocol( attr, &protocol );
rtems_test_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" );
rtems_test_assert( 0 );
break;
}
/* priority ceiling */
status = pthread_mutexattr_getprioceiling( attr, &prioceiling );
rtems_test_assert( !status );
printf( "%smutex priority ceiling is %d\n", msg, prioceiling );
/* process shared */
status = pthread_mutexattr_getpshared( attr, &pshared );
rtems_test_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" );
rtems_test_assert( 0 );
break;
}
}
Mutex::Mutex(bool isprocess_shared):
process_shared(isprocess_shared)
{
pthread_mutexattr_t arrr_t;
pthread_mutexattr_settype(&arrr_t,PTHREAD_MUTEX_NORMAL);
if( process_shared )
{
int shared;
pthread_mutexattr_getpshared(&arrr_t, &shared);
assert(shared == PTHREAD_PROCESS_PRIVATE);
pthread_mutexattr_setpshared(&arrr_t, PTHREAD_PROCESS_SHARED);
}
pthread_mutex_init(&m_mutex,&arrr_t);
}
int cobalt_mutexattr_getpshared(const pthread_mutexattr_t __user *u_attr,
int __user *u_pshared)
{
pthread_mutexattr_t attr;
int err, pshared;
if (__xn_safe_copy_from_user(&attr, u_attr, sizeof(attr)))
return -EFAULT;
err = pthread_mutexattr_getpshared(&attr, &pshared);
if (err)
return -err;
return __xn_safe_copy_to_user(u_pshared, &pshared, sizeof(*u_pshared));
}
static int print_mutexattr(const pthread_mutexattr_t *mutex_attr)
{
if (mutex_attr == NULL)
{
return THREAD_ATTR_FAILED;
}
int ret = 0;
int pshare = 0;
int type = 0;
ret = pthread_mutexattr_getpshared(mutex_attr, &pshare);
if (pshare == PTHREAD_PROCESS_PRIVATE)
{
printf("mutex shared: PRIVATE\n");
}
else if (pshare == PTHREAD_PROCESS_SHARED)
{
printf("mutex shared: SHARED\n");
}
ret = pthread_mutexattr_gettype(mutex_attr, &type);
if (type == PTHREAD_MUTEX_NORMAL)
{
printf("mutex NORMAL\n");
}
else if (type == PTHREAD_MUTEX_ERRORCHECK)
{
printf("mutex ERRORCHECK\n");
}
else if (type == PTHREAD_MUTEX_RECURSIVE)
{
printf("mutex RECURSIVE\n");
}
else if (type == PTHREAD_MUTEX_DEFAULT)
{
printf("mutex DEFAULT\n");
}
return THREAD_ATTR_OK;
}
int main()
{
pthread_mutexattr_t mta;
int rc;
#ifdef PTHREAD_PROCESS_SHARED
int pshared;
#endif
/* Initialize a mutex attributes object */
if((rc=pthread_mutexattr_init(&mta)) != 0)
{
fprintf(stderr,"Error at pthread_mutexattr_init(), rc=%d\n",rc);
printf("Test FAILED\n");
return PTS_FAIL;
}
#ifdef PTHREAD_PROCESS_SHARED
/* If the symbol {PTHREAD_PROCESS_SHARED} is defined, the attribute
* process-shared should be provided and its default value should be
* PTHREAD_PROCESS_PRIVATE */
if(pthread_mutexattr_getpshared(&mta, &pshared) != 0)
{
fprintf(stderr,"Error obtaining the attribute process-shared\n");
return PTS_UNRESOLVED;
}
if(pshared == PTHREAD_PROCESS_PRIVATE)
{
printf("Test PASSED\n");
return PTS_PASS;
}
else
{
printf("Test FAILED\n");
return PTS_FAIL;
}
#endif
fprintf(stderr,"process-shared attribute is not available for testing\n");
return PTS_UNRESOLVED;
}
int main()
{
int fd;
unsigned int val;
struct mydata *addr;
pthread_mutexattr_t pshared;
pthread_mutexattr_init(&pshared);
pthread_mutexattr_setpshared(&pshared, PTHREAD_PROCESS_SHARED);
pthread_mutexattr_getpshared(&pshared , &val);
printf(" %d\n", val);
fd = shm_open(DATA, O_CREAT | O_RDWR, 666);
if (fd == -1) {
perror("shm_open");
exit(1);
}
/* 4k is min shared memory */
if (ftruncate(fd, getpagesize()) == -1) {
perror("ftruncate");
exit(1);
}
addr =
(struct mydata *)mmap(NULL, sizeof(struct mydata),
PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (addr == MAP_FAILED) {
perror("mmap");
exit(1);
}
pthread_mutex_init(&addr->mtxlock, &pshared);
addr->a = 0;
addr->b = 0;
munmap(addr, sizeof(struct mydata));
return 0;
}
int pthread_mutex_init(pthread_mutex_t *m, const pthread_mutexattr_t *a)
{
mutex_t *_m;
int r = mutex_ref_init(m);
if(r) return r;
if (!(_m = (pthread_mutex_t)calloc(1,sizeof(*_m))))
return ENOMEM;
_m->type = PTHREAD_MUTEX_DEFAULT;
_m->count = 0;
if (a) {
int share = PTHREAD_PROCESS_SHARED;
r = pthread_mutexattr_gettype(a, &_m->type);
if (!r) r = pthread_mutexattr_getpshared(a, &share);
if (!r && share == PTHREAD_PROCESS_SHARED) r = ENOSYS;
}
if (!r) {
#if defined USE_MUTEX_Mutex
if ( (_m->h = CreateSemaphore(NULL, 1, 0x7fffffff, NULL)) != NULL) {
#else /* USE_MUTEX_CriticalSection */
if (InitializeCriticalSectionAndSpinCount(&_m->cs.cs, USE_MUTEX_CriticalSection_SpinCount)) {
#endif
} else {
#if defined USE_MUTEX_Mutex
switch (GetLastError()) {
case ERROR_ACCESS_DENIED:
r = EPERM;
break;
default: /* We assume this, to keep it simple: */
r = ENOMEM;
}
#else /* USE_MUTEX_CriticalSection */
r = ENOMEM;
#endif
}
}
if (r)
{
_m->valid = DEAD_MUTEX;
free(_m);
*m = NULL;
return r;
}
if (InterlockedExchange(&InitOnce, 0))
_mutex_init_once(_m);
_m->valid = LIFE_MUTEX;
*m = _m;
return 0;
}
int pthread_mutex_destroy(pthread_mutex_t *m)
{
pthread_mutex_t mDestroy;
int r = mutex_ref_destroy(m,&mDestroy);
if(r) return r;
if(!mDestroy) return 0; /* destroyed a (still) static initialized mutex */
/* now the mutex is invalid, and no one can touch it */
mutex_t *_m = (mutex_t *)mDestroy;
#if defined USE_MUTEX_Mutex
CloseHandle(_m->h);
#else /* USE_MUTEX_CriticalSection */
DeleteCriticalSection(&_m->cs.cs);
#endif
_m->valid = DEAD_MUTEX;
_m->type = 0;
_m->count = 0;
free(mDestroy);
return 0;
}
int pthread_mutexattr_test(){
pthread_mutexattr_t attr;
int tmp;
int i;
printf("Test pthread_mutexattr_init()...");
if ( pthread_mutexattr_init(&attr) < 0 ){
fflush(stdout);
perror("failed");
return -1;
}
printf("passed\n");
printf("Test pthread_mutexattr_set/getprioceiling()...");
for(i = sched_get_priority_min(SCHED_OTHER); i <= sched_get_priority_max(SCHED_OTHER); i++ ){
if ( pthread_mutexattr_setprioceiling(&attr, i) < 0 ){
fflush(stdout);
perror("failed");
return -1;
}
if ( pthread_mutexattr_getprioceiling(&attr, &tmp) < 0 ){
fflush(stdout);
perror("failed");
return -1;
}
if ( tmp != i ){
printf("failed to set/get (%d != %d)\n", tmp, i);
return -1;
}
}
printf("passed\n");
if ( set_get_test("pthread_mutexattr_set/getprotocol()",
(int (*)(void*,int))pthread_mutexattr_setprotocol,
(int (*)(void*,int*))pthread_mutexattr_getprotocol,
&attr,
protocols,
PROTOCOLS_TOTAL,
0) ){
return -1;
}
printf("Test pthread_mutexattr_set/getpshared()...");
tmp = 1;
if ( pthread_mutexattr_setpshared(&attr, tmp) < 0 ){
fflush(stdout);
perror("failed");
return -1;
}
if ( pthread_mutexattr_getpshared(&attr, &tmp) < 0 ){
fflush(stdout);
perror("failed");
return -1;
}
if ( tmp != 1 ){
fflush(stdout);
perror("failed");
return -1;
}
printf("passed\n");
if ( set_get_test("pthread_mutexattr_set/gettype()",
(int (*)(void*,int))pthread_mutexattr_settype,
(int (*)(void*,int*))pthread_mutexattr_gettype,
&attr,
types,
TYPES_TOTAL,
0) ){
return -1;
}
printf("Test pthread_mutexattr_destroy()...");
if ( pthread_mutexattr_destroy(&attr) < 0 ){
fflush(stdout);
perror("failed");
return -1;
}
printf("passed\n");
printf("Stress Test pthread_mutexattr_destroy()...");
if ( pthread_mutexattr_destroy(&attr) == 0 ){
printf("should have failed\n");
return -1;
}
errno = 0;
printf("passed\n");
return 0;
}
static int
do_test (void)
{
size_t ps = sysconf (_SC_PAGESIZE);
char tmpfname[] = "/tmp/tst-mutex4.XXXXXX";
char data[ps];
void *mem;
int fd;
pthread_mutex_t *m;
pthread_mutexattr_t a;
pid_t pid;
char *p;
int err;
int s;
fd = mkstemp (tmpfname);
if (fd == -1)
{
printf ("cannot open temporary file: %m\n");
return 1;
}
/* Make sure it is always removed. */
unlink (tmpfname);
/* Create one page of data. */
memset (data, '\0', ps);
/* Write the data to the file. */
if (write (fd, data, ps) != (ssize_t) ps)
{
puts ("short write");
return 1;
}
mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (mem == MAP_FAILED)
{
printf ("mmap failed: %m\n");
return 1;
}
m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t))
& ~(__alignof (pthread_mutex_t) - 1));
p = (char *) (m + 1);
if (pthread_mutexattr_init (&a) != 0)
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_getpshared (&a, &s) != 0)
{
puts ("1st mutexattr_getpshared failed");
return 1;
}
if (s != PTHREAD_PROCESS_PRIVATE)
{
puts ("default pshared value wrong");
return 1;
}
if (pthread_mutexattr_setpshared (&a, PTHREAD_PROCESS_SHARED) != 0)
{
puts ("mutexattr_setpshared failed");
return 1;
}
if (pthread_mutexattr_getpshared (&a, &s) != 0)
{
puts ("2nd mutexattr_getpshared failed");
return 1;
}
if (s != PTHREAD_PROCESS_SHARED)
{
puts ("pshared value after setpshared call wrong");
return 1;
}
if (pthread_mutex_init (m, &a) != 0)
{
puts ("mutex_init failed");
return 1;
}
if (pthread_mutex_lock (m) != 0)
{
puts ("mutex_lock failed");
return 1;
}
if (pthread_mutexattr_destroy (&a) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
err = pthread_mutex_trylock (m);
if (err == 0)
{
puts ("mutex_trylock succeeded");
return 1;
}
else if (err != EBUSY)
{
puts ("mutex_trylock didn't return EBUSY");
return 1;
}
*p = 0;
puts ("going to fork now");
pid = fork ();
if (pid == -1)
{
puts ("fork failed");
return 1;
}
else if (pid == 0)
{
/* Play some lock ping-pong. It's our turn to unlock first. */
if ((*p)++ != 0)
{
puts ("child: *p != 0");
return 1;
}
if (pthread_mutex_unlock (m) != 0)
{
puts ("child: 1st mutex_unlock failed");
return 1;
}
puts ("child done");
}
else
{
if (pthread_mutex_lock (m) != 0)
{
puts ("parent: 2nd mutex_lock failed");
return 1;
}
if (*p != 1)
{
puts ("*p != 1");
return 1;
}
puts ("parent done");
}
return 0;
}
static int
do_test (void)
{
size_t ps = sysconf (_SC_PAGESIZE);
char tmpfname[] = "/tmp/tst-mutex4.XXXXXX";
char data[ps];
void *mem;
int fd;
pthread_mutex_t *m;
pthread_mutexattr_t a;
pid_t pid;
char *p;
int err;
int s;
pthread_barrier_t *b;
pthread_barrierattr_t ba;
fd = mkstemp (tmpfname);
if (fd == -1)
{
printf ("cannot open temporary file: %m\n");
return 1;
}
/* Make sure it is always removed. */
unlink (tmpfname);
/* Create one page of data. */
memset (data, '\0', ps);
/* Write the data to the file. */
if (write (fd, data, ps) != (ssize_t) ps)
{
puts ("short write");
return 1;
}
mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (mem == MAP_FAILED)
{
printf ("mmap failed: %m\n");
return 1;
}
m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t) - 1)
& ~(__alignof (pthread_mutex_t) - 1));
b = (pthread_barrier_t *) (((uintptr_t) (m + 1)
+ __alignof (pthread_barrier_t) - 1)
& ~(__alignof (pthread_barrier_t) - 1));
p = (char *) (b + 1);
if (pthread_mutexattr_init (&a) != 0)
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_getpshared (&a, &s) != 0)
{
puts ("1st mutexattr_getpshared failed");
return 1;
}
if (s != PTHREAD_PROCESS_PRIVATE)
{
puts ("default pshared value wrong");
return 1;
}
if (pthread_mutexattr_setpshared (&a, PTHREAD_PROCESS_SHARED) != 0)
{
puts ("mutexattr_setpshared failed");
return 1;
}
if (pthread_mutexattr_getpshared (&a, &s) != 0)
{
puts ("2nd mutexattr_getpshared failed");
return 1;
}
if (s != PTHREAD_PROCESS_SHARED)
{
puts ("pshared value after setpshared call wrong");
return 1;
}
#ifdef ENABLE_PI
if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
{
puts ("pthread_mutexattr_setprotocol failed");
return 1;
}
#endif
if ((err = pthread_mutex_init (m, &a)) != 0)
{
#ifdef ENABLE_PI
if (err == ENOTSUP)
{
puts ("PI mutexes unsupported");
return 0;
}
#endif
puts ("mutex_init failed");
return 1;
}
if (pthread_mutex_lock (m) != 0)
{
puts ("mutex_lock failed");
return 1;
}
if (pthread_mutexattr_destroy (&a) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
if (pthread_barrierattr_init (&ba) != 0)
{
puts ("barrierattr_init failed");
return 1;
}
if (pthread_barrierattr_setpshared (&ba, PTHREAD_PROCESS_SHARED) != 0)
{
puts ("barrierattr_setpshared failed");
return 1;
}
if (pthread_barrier_init (b, &ba, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
if (pthread_barrierattr_destroy (&ba) != 0)
{
puts ("barrierattr_destroy failed");
return 1;
}
err = pthread_mutex_trylock (m);
if (err == 0)
{
puts ("mutex_trylock succeeded");
return 1;
}
else if (err != EBUSY)
{
puts ("mutex_trylock didn't return EBUSY");
return 1;
}
*p = 0;
if (pthread_mutex_unlock (m) != 0)
{
puts ("parent: 1st mutex_unlock failed");
return 1;
}
puts ("going to fork now");
pid = fork ();
if (pid == -1)
{
puts ("fork failed");
return 1;
}
else if (pid == 0)
{
if (pthread_mutex_lock (m) != 0)
{
puts ("child: mutex_lock failed");
return 1;
}
int e = pthread_barrier_wait (b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("child: barrier_wait failed");
return 1;
}
if ((*p)++ != 0)
{
puts ("child: *p != 0");
return 1;
}
if (pthread_mutex_unlock (m) != 0)
{
puts ("child: mutex_unlock failed");
return 1;
}
puts ("child done");
}
else
{
int e = pthread_barrier_wait (b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("parent: barrier_wait failed");
return 1;
}
if (pthread_mutex_lock (m) != 0)
{
puts ("parent: 2nd mutex_lock failed");
return 1;
}
if (*p != 1)
{
puts ("*p != 1");
return 1;
}
if (pthread_mutex_unlock (m) != 0)
{
puts ("parent: 2nd mutex_unlock failed");
return 1;
}
if (pthread_mutex_destroy (m) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
if (pthread_barrier_destroy (b) != 0)
{
puts ("barrier_destroy failed");
return 1;
}
puts ("parent done");
}
return 0;
}
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;
int priority;
rtems_test_assert( MUTEX_BAD_ID != PTHREAD_MUTEX_INITIALIZER );
Mutex_bad_id = MUTEX_BAD_ID;
TEST_BEGIN();
/* 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%08" PRIxpthread_t "\n", Init_id );
/* test pthread_mutex_attr_init */
puts( "Init: pthread_mutexattr_init - EINVAL (NULL attr)" );
status = pthread_mutexattr_init( NULL );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
Print_mutexattr( "Init: ", &attr );
/* create an "uninitialized" attribute structure */
status = pthread_mutexattr_init( &destroyed_attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" );
status = pthread_mutexattr_destroy( &destroyed_attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutexattr_destroy - EINVAL (NULL attr)" );
status = pthread_mutexattr_destroy( NULL );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_destroy - EINVAL (not initialized)" );
status = pthread_mutexattr_destroy( &destroyed_attr );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getpshared - EINVAL (NULL pshared)" );
status = pthread_mutexattr_getpshared( &attr, NULL );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getpshared - EINVAL (not initialized)" );
status = pthread_mutexattr_getpshared( &destroyed_attr, &pshared );
rtems_test_assert( status == EINVAL );
pshared = PTHREAD_PROCESS_PRIVATE;
puts( "Init: pthread_mutexattr_setpshared - EINVAL (NULL attr)" );
status = pthread_mutexattr_setpshared( NULL, pshared );
rtems_test_assert( status == EINVAL );
pshared = PTHREAD_PROCESS_PRIVATE;
puts( "Init: pthread_mutexattr_setpshared - EINVAL (not initialized)" );
status = pthread_mutexattr_setpshared( &destroyed_attr, pshared );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprotocol - EINVAL (NULL protocol)" );
status = pthread_mutexattr_getprotocol( &attr, NULL );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprotocol - EINVAL (not initialized)" );
status = pthread_mutexattr_getprotocol( &destroyed_attr, &protocol );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprotocol - EINVAL (NULL attr)" );
status = pthread_mutexattr_setprotocol( NULL, PTHREAD_PRIO_NONE );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprotocol - EINVAL (invalid protocol)" );
status = pthread_mutexattr_setprotocol( &attr, -1 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprotocol - EINVAL (not initialized)" );
status = pthread_mutexattr_setprotocol( &destroyed_attr, -1 );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (NULL prioceiling)" );
status = pthread_mutexattr_getprioceiling( &attr, NULL );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_getprioceiling - EINVAL (not initialized)" );
status = pthread_mutexattr_getprioceiling( &destroyed_attr, &ceiling );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (NULL attr)" );
status = pthread_mutexattr_setprioceiling( NULL, 128 );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutexattr_setprioceiling - EINVAL (not initialized)" );
status = pthread_mutexattr_setprioceiling( &destroyed_attr, -1 );
rtems_test_assert( status == EINVAL );
/* create a thread */
status = pthread_create( &Task_id, NULL, Task_1, NULL );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_init - EINVAL (not initialized attr)" );
status = pthread_mutex_init( &Mutex_id, &destroyed_attr );
rtems_test_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 );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
/* must get around various error checks before checking bad scope */
puts( "Init: Resetting mutex attributes" );
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - ENOSYS (process wide scope)" );
attr.process_shared = PTHREAD_PROCESS_SHARED;
status = pthread_mutex_init( &Mutex_id, &attr );
rtems_test_assert( status == ENOSYS );
puts( "Init: pthread_mutex_init - EINVAL (invalid scope)" );
attr.process_shared = -1;
status = pthread_mutex_init( &Mutex_id, &attr );
rtems_test_assert( status == EINVAL );
/* bad kind */
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - EINVAL (invalid type)" );
attr.type = -1;
status = pthread_mutex_init( &Mutex_id, &attr );
rtems_test_assert( status == EINVAL );
/* now set up for a success pthread_mutex_init */
puts( "Init: Resetting mutex attributes" );
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
puts( "Init: Changing mutex attributes" );
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
rtems_test_assert( !status );
status = pthread_mutexattr_setprioceiling(
&attr,
(sched_get_priority_max(SCHED_FIFO) / 2) + 1
);
rtems_test_assert( !status );
status = pthread_mutexattr_setpshared( &attr, PTHREAD_PROCESS_SHARED );
rtems_test_assert( !status );
Print_mutexattr( "Init: ", &attr );
puts( "Init: Resetting mutex attributes" );
status = pthread_mutexattr_init( &attr );
rtems_test_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 );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex_id, &attr );
if ( status )
printf( "status = %d\n", status );
rtems_test_assert( !status );
/*
* This is not required to be an error and when it is, there are
* behavioral conflicts with other implementations.
*/
puts( "Init: pthread_mutex_init - EBUSY (reinitialize an existing mutex) - skipped" );
#if 0
status = pthread_mutex_init( &Mutex_id, &attr );
if ( !status )
printf( "status = %d\n", status );
rtems_test_assert( status == EBUSY );
#endif
puts( "Init: pthread_mutex_trylock - EINVAL (illegal ID)" );
status = pthread_mutex_trylock( &Mutex_bad_id );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex_id );
if ( status )
printf( "status = %d\n", status );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_trylock - EDEADLK (already locked)" );
status = pthread_mutex_trylock( &Mutex_id );
if ( status != EBUSY )
printf( "status = %d\n", status );
rtems_test_assert( status == EBUSY );
puts( "Init: pthread_mutex_lock - EINVAL (NULL id)" );
status = pthread_mutex_lock( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_unlock - EINVAL (NULL id)" );
status = pthread_mutex_unlock( NULL );
if ( status != EINVAL )
printf( "status = %d\n", status );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_lock - EDEADLK (already locked)" );
status = pthread_mutex_lock( &Mutex_id );
if ( status != EDEADLK )
printf( "status = %d\n", status );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex_id );
if ( status )
printf( "status = %d\n", status );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_unlock - EPERM (not owner)" );
status = pthread_mutex_unlock( &Mutex_id );
if ( status != EPERM )
printf( "status = %d\n", status );
rtems_test_assert( status == EPERM );
puts( "Init: pthread_mutex_timedlock - time out in 1/2 second" );
calculate_abstimeout( ×, 0, (TOD_NANOSECONDS_PER_SECOND / 2) );
status = pthread_mutex_timedlock( &Mutex_id, × );
if ( status != ETIMEDOUT )
printf( "status = %d\n", status );
rtems_test_assert( status == ETIMEDOUT );
puts( "Init: pthread_mutex_timedlock - time out in the past" );
calculate_abstimeout( ×, -1, (TOD_NANOSECONDS_PER_SECOND / 2) );
status = pthread_mutex_timedlock( &Mutex_id, × );
if ( status != ETIMEDOUT )
printf( "status = %d\n", status );
rtems_test_assert( status == ETIMEDOUT );
/* 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 );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - EAGAIN (too many)" );
status = pthread_mutex_init( &Mutex3_id, &attr );
rtems_test_assert( status == EAGAIN );
puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" );
status = pthread_mutexattr_destroy( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_destroy - SUCCESSFUL" );
status = pthread_mutex_destroy( &Mutex2_id );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_destroy - EINVAL (invalid id)" );
status = pthread_mutex_destroy( &Mutex_bad_id );
rtems_test_assert( status == EINVAL );
/* destroy a busy mutex */
empty_line();
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex2_id );
if ( status )
printf( "status = %d\n", status );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_destroy - EBUSY (already locked)" );
status = pthread_mutex_destroy( &Mutex2_id );
if ( status != EBUSY )
printf( "status = %d\n", status );
rtems_test_assert( status == EBUSY );
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex2_id );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_destroy - SUCCESSFUL" );
status = pthread_mutex_destroy( &Mutex2_id );
rtems_test_assert( !status );
/* priority inherit mutex */
empty_line();
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
puts(
"Init: pthread_mutexattr_setprotocol - SUCCESSFUL (PTHREAD_PRIO_INHERIT)"
);
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_INHERIT );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex2_id );
rtems_test_assert( !status );
/* create a thread at a lower priority */
status = pthread_create( &Task2_id, NULL, Task_2, NULL );
rtems_test_assert( !status );
/* set priority of Task2 to highest priority */
param.sched_priority = sched_get_priority_max( SCHED_FIFO );
puts( "Init: pthread_setschedparam - Setting Task2 priority to highest" );
status = pthread_setschedparam( Task2_id, SCHED_FIFO, ¶m );
rtems_test_assert( !status );
/* switching to Task2 */
status = pthread_getschedparam( pthread_self(), &policy, ¶m );
rtems_test_assert( !status );
printf( "Init: pthread_getschedparam - priority = %d\n", param.sched_priority);
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex2_id );
rtems_test_assert( !status );
puts( "Init: pthread_mutexattr_destroy - SUCCESSFUL" );
status = pthread_mutexattr_destroy( &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_destroy - SUCCESSFUL" );
status = pthread_mutex_destroy( &Mutex2_id );
rtems_test_assert( !status );
/* priority ceiling mutex */
empty_line();
puts( "Init: pthread_mutexattr_init - SUCCESSFUL" );
status = pthread_mutexattr_init( &attr );
rtems_test_assert( !status );
puts(
"Init: pthread_mutexattr_setprotocol - SUCCESSFUL (PTHREAD_PRIO_PROTECT)"
);
status = pthread_mutexattr_setprotocol( &attr, PTHREAD_PRIO_PROTECT );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_init - SUCCESSFUL" );
status = pthread_mutex_init( &Mutex2_id, &attr );
rtems_test_assert( !status );
puts( "Init: pthread_mutex_getprioceiling - EINVAL (invalid id)" );
status = pthread_mutex_getprioceiling( &Mutex_bad_id, &ceiling );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_getprioceiling - EINVAL (NULL ceiling)" );
status = pthread_mutex_getprioceiling( &Mutex2_id, NULL );
rtems_test_assert( status == EINVAL );
status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_setprioceiling - EINVAL (illegal priority)" );
status = pthread_mutex_setprioceiling( &Mutex2_id, 512, &old_ceiling );
rtems_test_assert( status == EINVAL );
puts( "Init: pthread_mutex_setprioceiling - EINVAL (NULL ceiling)" );
status = pthread_mutex_setprioceiling( &Mutex2_id, 128, NULL );
rtems_test_assert( status == EINVAL );
/* normal cases of set priority ceiling */
priority = sched_get_priority_max( SCHED_FIFO );
priority = (priority == 254) ? 200 : 13;
printf( "Init: pthread_mutex_setprioceiling - new ceiling = %d\n", priority );
status = pthread_mutex_setprioceiling( &Mutex2_id, priority, &old_ceiling );
rtems_test_assert( !status );
printf(
"Init: pthread_mutex_setprioceiling - old ceiling = %d\n",old_ceiling
);
status = pthread_getschedparam( pthread_self(), &policy, ¶m );
rtems_test_assert( !status );
printf(
"Init: pthread_getschedparam - priority = %d\n", param.sched_priority
);
puts( "Init: pthread_mutex_trylock - SUCCESSFUL" );
status = pthread_mutex_trylock( &Mutex2_id );
rtems_test_assert( !status );
status = pthread_getschedparam( pthread_self(), &policy, ¶m );
rtems_test_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 );
rtems_test_assert( !status );
/* set priority of Task3 to highest priority */
param.sched_priority = --priority;
status = pthread_setschedparam( Task3_id, SCHED_FIFO, ¶m );
rtems_test_assert( !status );
puts( "Init: pthread_setschedparam - set Task3 priority to highest" );
/* DOES NOT SWITCH to Task3 */
puts( "Init: Sleep 1 second" );
rtems_test_assert( !status );
sleep( 1 );
/* switch to task 3 */
puts( "Init: pthread_mutex_unlock - SUCCESSFUL" );
status = pthread_mutex_unlock( &Mutex2_id );
rtems_test_assert( !status );
status = pthread_mutex_getprioceiling( &Mutex2_id, &ceiling );
rtems_test_assert( !status );
printf( "Init: pthread_mutex_getprioceiling- ceiling = %d\n", ceiling );
/* set priority of Init to highest priority */
param.sched_priority = sched_get_priority_max(SCHED_FIFO);
status = pthread_setschedparam( Init_id, SCHED_FIFO, ¶m );
rtems_test_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 );
rtems_test_assert( status == EINVAL );
/* mutexinit.c: Initialising recursive mutex */
puts( "Init: Recursive Mutex" );
status = pthread_mutex_destroy( &Mutex2_id );
if( status )
printf( "status mutex destroy:%d\n", status );
status = pthread_mutexattr_init( &attr );
if( status )
printf( "status mutexattr:%d\n", status );
attr.recursive=true;
status = pthread_mutex_init( &Mutex2_id, &attr );
if ( status )
printf( "status recursive mutex :%d\n", status );
rtems_test_assert( !status );
TEST_END();
rtems_test_exit( 0 );
return NULL; /* just so the compiler thinks we returned something */
}
