/*
* pj_mutex_trylock()
*/
PJ_DEF(pj_status_t) pj_mutex_trylock(pj_mutex_t *mutex)
{
pj_status_t status;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
LOG_MUTEX((mutex->obj_name, "Mutex: thread %s is trying",
pj_thread_this()->obj_name));
#if PJ_WIN32_WINNT >= 0x0400
status=TryEnterCriticalSection(&mutex->crit) ? PJ_SUCCESS : PJ_EUNKNOWN;
#else
status = WaitForSingleObject(mutex->hMutex, 0)==WAIT_OBJECT_0 ?
PJ_SUCCESS : PJ_ETIMEDOUT;
#endif
if (status==PJ_SUCCESS) {
LOG_MUTEX((mutex->obj_name, "Mutex acquired by thread %s",
pj_thread_this()->obj_name));
#if PJ_DEBUG
mutex->owner = pj_thread_this();
++mutex->nesting_level;
#endif
} else {
LOG_MUTEX((mutex->obj_name, "Mutex: thread %s's trylock() failed",
pj_thread_this()->obj_name));
}
return status;
}
/*
* pj_thread_join()
*/
PJ_DEF(pj_status_t) pj_thread_join(pj_thread_t *p)
{
#if PJ_HAS_THREADS
pj_thread_t *rec = (pj_thread_t *)p;
void *ret;
int result;
PJ_CHECK_STACK();
if(pj_thread_this()->thread == rec->thread){
return PJ_SUCCESS;
}
PJ_LOG(6, (pj_thread_this()->obj_name, "Joining thread %s", p->obj_name));
result = pthread_join( rec->thread, &ret);
if (result == 0)
return PJ_SUCCESS;
else {
/* Calling pthread_join() on a thread that no longer exists and
* getting back ESRCH isn't an error (in this context).
* Thanks Phil Torre <*****@*****.**>.
*/
return result==ESRCH ? PJ_SUCCESS : PJ_RETURN_OS_ERROR(result);
}
#else
PJ_CHECK_STACK();
pj_assert(!"No multithreading support!");
return PJ_EINVALIDOP;
#endif
}
/*
* pj_sem_wait()
*/
PJ_DEF(pj_status_t) pj_sem_wait(pj_sem_t *sem)
{
#if PJ_HAS_THREADS
int result;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(sem, PJ_EINVAL);
PJ_LOG(6, (sem->obj_name, "Semaphore: thread %s is waiting",
pj_thread_this()->obj_name));
result = sem_wait( sem->sem );
if (result == 0) {
PJ_LOG(6, (sem->obj_name, "Semaphore acquired by thread %s",
pj_thread_this()->obj_name));
} else {
PJ_LOG(6, (sem->obj_name, "Semaphore: thread %s FAILED to acquire",
pj_thread_this()->obj_name));
}
if (result == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
#else
pj_assert( sem == (pj_sem_t*) 1 );
return PJ_SUCCESS;
#endif
}
static pj_status_t pj_sem_wait_for(pj_sem_t *sem, unsigned timeout)
{
DWORD result;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(sem, PJ_EINVAL);
LOG_MUTEX((sem->obj_name, "Semaphore: thread %s is waiting",
pj_thread_this()->obj_name));
result = WaitForSingleObject(sem->hSemaphore, timeout);
if (result == WAIT_OBJECT_0) {
LOG_MUTEX((sem->obj_name, "Semaphore acquired by thread %s",
pj_thread_this()->obj_name));
} else {
LOG_MUTEX((sem->obj_name, "Semaphore: thread %s FAILED to acquire",
pj_thread_this()->obj_name));
}
if (result==WAIT_OBJECT_0)
return PJ_SUCCESS;
else if (result==WAIT_TIMEOUT)
return PJ_ETIMEDOUT;
else
return PJ_RETURN_OS_ERROR(GetLastError());
}
/*
* pj_sem_wait()
*/
PJ_DEF(pj_status_t) pj_sem_wait(pj_sem_t *sem)
{
#if PJ_HAS_THREADS
int result;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(sem, PJ_EINVAL);
PJ_LOG(6, (sem->obj_name, "Semaphore: thread %s is waiting",
pj_thread_this(sem->inst_id)->obj_name));
#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
result = dispatch_semaphore_wait(sem->sem, DISPATCH_TIME_FOREVER );
#else
result = sem_wait( sem->sem);
#endif
if (result == 0) {
PJ_LOG(6, (sem->obj_name, "Semaphore acquired by thread %s",
pj_thread_this(sem->inst_id)->obj_name));
} else {
PJ_LOG(6, (sem->obj_name, "Semaphore: thread %s FAILED to acquire",
pj_thread_this(sem->inst_id)->obj_name));
}
if (result == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
#else
pj_assert( sem == (pj_sem_t*) 1 );
return PJ_SUCCESS;
#endif
}
static pj_status_t pj_event_wait_for(pj_event_t *event, unsigned timeout)
{
DWORD result;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(event, PJ_EINVAL);
PJ_LOG(6, (event->obj_name, "Event: thread %s is waiting",
pj_thread_this()->obj_name));
result = WaitForSingleObject(event->hEvent, timeout);
if (result == WAIT_OBJECT_0) {
PJ_LOG(6, (event->obj_name, "Event: thread %s is released",
pj_thread_this()->obj_name));
} else {
PJ_LOG(6, (event->obj_name, "Event: thread %s FAILED to acquire",
pj_thread_this()->obj_name));
}
if (result==WAIT_OBJECT_0)
return PJ_SUCCESS;
else if (result==WAIT_TIMEOUT)
return PJ_ETIMEDOUT;
else
return PJ_RETURN_OS_ERROR(GetLastError());
}
/*
* pj_mutex_unlock()
*/
PJ_DEF(pj_status_t) pj_mutex_unlock(pj_mutex_t *mutex)
{
#if PJ_HAS_THREADS
pj_status_t status;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
#if PJ_DEBUG
pj_assert(mutex->owner == pj_thread_this());
if (--mutex->nesting_level == 0) {
mutex->owner = NULL;
mutex->owner_name[0] = '\0';
}
PJ_LOG(6,(mutex->obj_name, "Mutex released by thread %s (level=%d)",
pj_thread_this()->obj_name,
mutex->nesting_level));
#else
PJ_LOG(6,(mutex->obj_name, "Mutex released by thread %s",
pj_thread_this()->obj_name));
#endif
status = pthread_mutex_unlock( &mutex->mutex );
if (status == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(status);
#else /* PJ_HAS_THREADS */
pj_assert( mutex == (pj_mutex_t*)1 );
return PJ_SUCCESS;
#endif
}
/*
* pj_mutex_lock()
*/
PJ_DEF(pj_status_t) pj_mutex_lock(pj_mutex_t *mutex)
{
pj_status_t status;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
LOG_MUTEX((mutex->obj_name, "Mutex: thread %s is waiting",
pj_thread_this()->obj_name));
#if PJ_WIN32_WINNT >= 0x0400
EnterCriticalSection(&mutex->crit);
status=PJ_SUCCESS;
#else
if (WaitForSingleObject(mutex->hMutex, INFINITE)==WAIT_OBJECT_0)
status = PJ_SUCCESS;
else
status = PJ_STATUS_FROM_OS(GetLastError());
#endif
LOG_MUTEX((mutex->obj_name,
(status==PJ_SUCCESS ? "Mutex acquired by thread %s" : "FAILED by %s"),
pj_thread_this()->obj_name));
#if PJ_DEBUG
if (status == PJ_SUCCESS) {
mutex->owner = pj_thread_this();
++mutex->nesting_level;
}
#endif
return status;
}
/*
* pj_mutex_unlock()
*/
PJ_DEF(pj_status_t) pj_mutex_unlock(pj_mutex_t *mutex)
{
pj_status_t status;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
#if PJ_DEBUG
pj_assert(mutex->owner == pj_thread_this());
if (--mutex->nesting_level == 0) {
mutex->owner = NULL;
}
#endif
LOG_MUTEX((mutex->obj_name, "Mutex released by thread %s",
pj_thread_this()->obj_name));
#if PJ_WIN32_WINNT >= 0x0400
LeaveCriticalSection(&mutex->crit);
status=PJ_SUCCESS;
#else
status = ReleaseMutex(mutex->hMutex) ? PJ_SUCCESS :
PJ_STATUS_FROM_OS(GetLastError());
#endif
return status;
}
/*
* pj_thread_join()
*/
PJ_DEF(pj_status_t) pj_thread_join(pj_thread_t *p)
{
pj_thread_t *rec = (pj_thread_t *)p;
DWORD rc;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(p, PJ_EINVAL);
if (p == pj_thread_this())
return PJ_ECANCELLED;
PJ_LOG(6, (pj_thread_this()->obj_name, "Joining thread %s", p->obj_name));
#if defined(PJ_WIN32_WINPHONE8) && PJ_WIN32_WINPHONE8
rc = WaitForSingleObjectEx(rec->hthread, INFINITE, FALSE);
#else
rc = WaitForSingleObject(rec->hthread, INFINITE);
#endif
if (rc==WAIT_OBJECT_0)
return PJ_SUCCESS;
else if (rc==WAIT_TIMEOUT)
return PJ_ETIMEDOUT;
else
return PJ_RETURN_OS_ERROR(GetLastError());
}
/*
* Clock thread
*/
static int clock_thread(void *arg)
{
pj_timestamp now;
pjmedia_clock *clock = (pjmedia_clock*) arg;
/* Set thread priority to maximum unless not wanted. */
if ((clock->options & PJMEDIA_CLOCK_NO_HIGHEST_PRIO) == 0) {
int max = pj_thread_get_prio_max(pj_thread_this());
if (max > 0)
pj_thread_set_prio(pj_thread_this(), max);
}
//printf("%s:------------11--------------\n", THIS_FILE);
/* Get the first tick */
pj_get_timestamp(&clock->next_tick);
clock->next_tick.u64 += clock->interval.u64;
while (!clock->quitting) {
pj_get_timestamp(&now);
/* Wait for the next tick to happen */
if (now.u64 < clock->next_tick.u64) {
unsigned msec;
msec = pj_elapsed_msec(&now, &clock->next_tick);
pj_thread_sleep(msec);
}
//printf("%s:------------12--------------, 0x%02x, %d\n", THIS_FILE, clock, (int)(clock->quitting));
/* Skip if not running */
if (!clock->running) {
/* Calculate next tick */
clock_calc_next_tick(clock, &now);
continue;
}
pj_lock_acquire(clock->lock);
//printf("%s:------------13--------------, 0x%02x, %d\n", THIS_FILE, clock, (int)(clock->quitting));
/* Call callback, if any */
if (clock->cb)
(*clock->cb)(&clock->timestamp, clock->user_data);
/* Best effort way to detect if we've been destroyed in the callback */
if (clock->quitting)
break;
/* Increment timestamp */
clock->timestamp.u64 += clock->timestamp_inc;
//printf("%s:------------14--------------, 0x%02x, %d\n", THIS_FILE, clock, (int)(clock->quitting));
/* Calculate next tick */
clock_calc_next_tick(clock, &now);
//printf("%s:------------15--------------\n", THIS_FILE);
pj_lock_release(clock->lock);
}
return 0;
}
/*
* pj_mutex_lock()
*/
PJ_DEF(pj_status_t) pj_mutex_lock(pj_mutex_t *mutex)
{
#if PJ_HAS_THREADS
pj_status_t status;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
#if PJ_DEBUG
PJ_LOG(6,(mutex->obj_name, "Mutex: thread %s is waiting (mutex owner=%s)",
pj_thread_this()->obj_name,
mutex->owner_name));
#else
PJ_LOG(6,(mutex->obj_name, "Mutex: thread %s is waiting",
pj_thread_this()->obj_name));
#endif
status = pthread_mutex_lock( &mutex->mutex );
#if PJ_DEBUG
if (status == PJ_SUCCESS) {
mutex->owner = pj_thread_this();
pj_ansi_strcpy(mutex->owner_name, mutex->owner->obj_name);
++mutex->nesting_level;
}
PJ_LOG(6,(mutex->obj_name,
(status==0 ?
"Mutex acquired by thread %s (level=%d)" :
"Mutex acquisition FAILED by %s (level=%d)"),
pj_thread_this()->obj_name,
mutex->nesting_level));
#else
PJ_LOG(6,(mutex->obj_name,
(status==0 ? "Mutex acquired by thread %s" : "FAILED by %s"),
pj_thread_this()->obj_name));
#endif
if (status == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(status);
#else /* PJ_HAS_THREADS */
pj_assert( mutex == (pj_mutex_t*)1 );
return PJ_SUCCESS;
#endif
}
/*
* pj_mutex_destroy()
*/
PJ_DEF(pj_status_t) pj_mutex_destroy(pj_mutex_t *mutex)
{
enum { RETRY = 4 };
int status = 0;
unsigned retry;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
#if PJ_HAS_THREADS
PJ_LOG(6,(mutex->obj_name, "Mutex destroyed by thread %s",
pj_thread_this()->obj_name));
for (retry=0; retry<RETRY; ++retry) {
status = pthread_mutex_destroy( &mutex->mutex );
if (status == PJ_SUCCESS)
break;
else if (retry<RETRY-1 && status == EBUSY)
pthread_mutex_unlock(&mutex->mutex);
}
if (status == 0)
return PJ_SUCCESS;
else {
return PJ_RETURN_OS_ERROR(status);
}
#else
pj_assert( mutex == (pj_mutex_t*)1 );
status = PJ_SUCCESS;
return status;
#endif
}
pj_status_t alsa_set_max_relative_thread_priority(int relative)
{
pj_status_t result;
struct sched_param param;
pthread_t* thid;
thid = (pthread_t*) pj_thread_get_os_handle (pj_thread_this());
#if PJ_LINUX==1
param.__sched_priority = sched_get_priority_max (SCHED_RR)+relative;
PJ_LOG (3,(THIS_FILE, "thread(%u): Set thread priority "
"to %d.",
(unsigned)syscall (SYS_gettid),(int)param.__sched_priority));
#elif PJ_DARWINOS==1
param.sched_priority = sched_get_priority_max (SCHED_RR)+relative;
PJ_LOG (3,(THIS_FILE, "thread(%u): Set thread priority "
"to %d.",
(unsigned)syscall (SYS_gettid),(int)param.sched_priority));
#endif
result = pthread_setschedparam (*thid, SCHED_RR, ¶m);
if (result) {
if (result == EPERM)
PJ_LOG (3,(THIS_FILE, "Unable to increase thread priority, "
"root access needed."));
else
PJ_LOG (3,(THIS_FILE, "Unable to increase thread priority, "
"error: %d",
result));
}
return result;
}
PJ_DEF(pj_bool_t) pj_mutex_is_locked(pj_mutex_t *mutex)
{
if (mutex->recursive)
return mutex->owner == pj_thread_this();
else
return 1;
}
PJ_DEF(pj_status_t) pj_mutex_trylock(pj_mutex_t *mutex)
{
long rc;
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
if (mutex->recursive) {
pj_thread_t *this_thread = pj_thread_this();
if (mutex->owner == this_thread) {
++mutex->own_count;
} else {
rc = down_interruptible(&mutex->sem);
if (rc != 0)
return PJ_RETURN_OS_ERROR(-rc);
pj_assert(mutex->own_count == 0);
mutex->owner = this_thread;
mutex->own_count = 1;
}
} else {
int rc = down_trylock(&mutex->sem);
if (rc != 0)
return PJ_RETURN_OS_ERROR(-rc);
}
return PJ_SUCCESS;
}
/*
* pj_sem_destroy()
*/
PJ_DEF(pj_status_t) pj_sem_destroy(pj_sem_t *sem)
{
#if PJ_HAS_THREADS
int result;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(sem, PJ_EINVAL);
PJ_LOG(6, (sem->obj_name, "Semaphore destroyed by thread %s",
pj_thread_this()->obj_name));
#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
result = sem_close( sem->sem );
#else
result = sem_destroy( sem->sem );
#endif
if (result == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
#else
pj_assert( sem == (pj_sem_t*) 1 );
return PJ_SUCCESS;
#endif
}
PJ_DEF(pj_bool_t) pj_mutex_is_locked(pj_mutex_t *mutex)
{
#if PJ_HAS_THREADS
return mutex->owner == pj_thread_this();
#else
return 1;
#endif
}
/*
* pj_mutex_trylock()
*/
PJ_DEF(pj_status_t) pj_mutex_trylock(pj_mutex_t *mutex)
{
#if PJ_HAS_THREADS
int status;
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
PJ_LOG(6,(mutex->obj_name, "Mutex: thread %s is trying",
pj_thread_this()->obj_name));
status = pthread_mutex_trylock( &mutex->mutex );
if (status==0)
{
#if PJ_DEBUG
mutex->owner = pj_thread_this();
pj_ansi_strcpy(mutex->owner_name, mutex->owner->obj_name);
++mutex->nesting_level;
PJ_LOG(6,(mutex->obj_name, "Mutex acquired by thread %s (level=%d)",
pj_thread_this()->obj_name,
mutex->nesting_level));
#else
PJ_LOG(6,(mutex->obj_name, "Mutex acquired by thread %s",
pj_thread_this()->obj_name));
#endif
}
else
{
PJ_LOG(6,(mutex->obj_name, "Mutex: thread %s's trylock() failed",
pj_thread_this()->obj_name));
}
if (status==0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(status);
#else /* PJ_HAS_THREADS */
pj_assert( mutex == (pj_mutex_t*)1);
return PJ_SUCCESS;
#endif
}
/*
* pj_mutex_is_locked()
*/
PJ_DEF(pj_bool_t) pj_mutex_is_locked(pj_mutex_t *mutex)
{
#if PJ_DEBUG
return mutex->owner == pj_thread_this();
#else
PJ_UNUSED_ARG(mutex);
pj_assert(!"PJ_DEBUG is not set!");
return 1;
#endif
}
bool SIPPresence::tryLock()
{
pj_status_t status;
status = pj_mutex_trylock(mutex_);
if (status == PJ_SUCCESS) {
mutex_owner_ = pj_thread_this();
++mutex_nesting_level_;
}
return status==PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pj_thread_join(pj_thread_t *p)
{
#if PJ_HAS_THREADS
pj_thread_t *rec = (pj_thread_t *)p;
void *ret;
PJ_LOG(6, (pj_thread_this()->obj_name, "Joining thread %s", p->obj_name));
return pthread_join( rec->thread, &ret);
#else
PJ_LOG(2, (THIS_FILE, "pj_thread_join() unsupported: thread is not enabled!"));
return 0;
#endif
}
/*
* pj_sem_destroy()
*/
PJ_DEF(pj_status_t) pj_sem_destroy(pj_sem_t *sem)
{
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(sem, PJ_EINVAL);
LOG_MUTEX((sem->obj_name, "Semaphore destroyed by thread %s",
pj_thread_this()->obj_name));
if (CloseHandle(sem->hSemaphore))
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(GetLastError());
}
/*
* pj_sem_post()
*/
PJ_DEF(pj_status_t) pj_sem_post(pj_sem_t *sem)
{
PJ_CHECK_STACK();
PJ_ASSERT_RETURN(sem, PJ_EINVAL);
LOG_MUTEX((sem->obj_name, "Semaphore released by thread %s",
pj_thread_this()->obj_name));
if (ReleaseSemaphore(sem->hSemaphore, 1, NULL))
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(GetLastError());
}
/*
* pj_sem_post()
*/
PJ_DEF(pj_status_t) pj_sem_post(pj_sem_t *sem)
{
#if PJ_HAS_THREADS
int result;
PJ_LOG(6, (sem->obj_name, "Semaphore released by thread %s",
pj_thread_this()->obj_name));
result = sem_post( sem->sem );
if (result == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
#else
pj_assert( sem == (pj_sem_t*) 1);
return PJ_SUCCESS;
#endif
}
PJ_DEF(pj_status_t) pj_mutex_lock(pj_mutex_t *mutex)
{
PJ_ASSERT_RETURN(mutex, PJ_EINVAL);
if (mutex->recursive) {
pj_thread_t *this_thread = pj_thread_this();
if (mutex->owner == this_thread) {
++mutex->own_count;
} else {
down(&mutex->sem);
pj_assert(mutex->own_count == 0);
mutex->owner = this_thread;
mutex->own_count = 1;
}
} else {
down(&mutex->sem);
}
return PJ_SUCCESS;
}
/*
* The thread's entry point.
*
* Each of the thread mainly will just execute the loop which
* increments a variable.
*/
static void* thread_proc(pj_uint32_t *pcounter)
{
/* Test that pj_thread_register() works. */
pj_thread_desc desc;
pj_thread_t *this_thread;
unsigned id;
pj_status_t rc;
id = *pcounter;
PJ_UNUSED_ARG(id); /* Warning about unused var if TRACE__ is disabled */
TRACE__((THIS_FILE, " thread %d running..", id));
pj_bzero(desc, sizeof(desc));
rc = pj_thread_register("thread", desc, &this_thread);
if (rc != PJ_SUCCESS) {
app_perror("...error in pj_thread_register", rc);
return NULL;
}
/* Test that pj_thread_this() works */
this_thread = pj_thread_this();
if (this_thread == NULL) {
PJ_LOG(3,(THIS_FILE, "...error: pj_thread_this() returns NULL!"));
return NULL;
}
/* Test that pj_thread_get_name() works */
if (pj_thread_get_name(this_thread) == NULL) {
PJ_LOG(3,(THIS_FILE, "...error: pj_thread_get_name() returns NULL!"));
return NULL;
}
/* Main loop */
for (;!quit_flag;) {
(*pcounter)++;
//Must sleep if platform doesn't do time-slicing.
//pj_thread_sleep(0);
}
TRACE__((THIS_FILE, " thread %d quitting..", id));
return NULL;
}
/*
* pj_sem_post()
*/
PJ_DEF(pj_status_t) pj_sem_post(pj_sem_t *sem)
{
#if PJ_HAS_THREADS
int result;
PJ_LOG(6, (sem->obj_name, "Semaphore released by thread %s",
pj_thread_this(sem->inst_id)->obj_name));
#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
result = dispatch_semaphore_signal(sem->sem);
#else
result = sem_post( sem->sem );
#endif
if (result == 0)
return PJ_SUCCESS;
else
return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
#else
pj_assert( sem == (pj_sem_t*) 1);
return PJ_SUCCESS;
#endif
}
/*
* pj_thread_check_stack()
* Implementation for PJ_CHECK_STACK()
*/
PJ_DEF(void) pj_thread_check_stack(const char *file, int line)
{
char stk_ptr;
pj_uint32_t usage;
pj_thread_t *thread = pj_thread_this();
/* Calculate current usage. */
usage = (&stk_ptr > thread->stk_start) ? &stk_ptr - thread->stk_start :
thread->stk_start - &stk_ptr;
/* Assert if stack usage is dangerously high. */
pj_assert("STACK OVERFLOW!! " && (usage <= thread->stk_size - 128));
/* Keep statistic. */
if (usage > thread->stk_max_usage) {
thread->stk_max_usage = usage;
thread->caller_file = file;
thread->caller_line = line;
}
}
PJ_DEF(pj_status_t) pj_thread_sleep(unsigned msec)
{
pj_highprec_t ticks;
pj_thread_t *thread = pj_thread_this();
PJ_ASSERT_RETURN(thread != NULL, PJ_EBUG);
/* Use high precision calculation to make sure we don't
* crop values:
*
* ticks = HZ * msec / 1000
*/
ticks = HZ;
pj_highprec_mul(ticks, msec);
pj_highprec_div(ticks, 1000);
TRACE_((THIS_FILE, "this thread will sleep for %u ticks", ticks));
interruptible_sleep_on_timeout( &thread->queue, ticks);
return PJ_SUCCESS;
}
