*
*/
+#include <sys/types.h>
#include <errno.h>
#include <sys/socket.h>
#include <unistd.h>
CtdlThreadNode *CtdlThreadList = NULL;
CtdlThreadNode *CtdlThreadSchedList = NULL;
-/*
- * Condition variable and Mutex for thread garbage collection
- */
-/*static pthread_mutex_t thread_gc_mutex = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t thread_gc_cond = PTHREAD_COND_INITIALIZER;
-*/
-static pthread_t GC_thread;
+static citthread_t GC_thread;
static char *CtdlThreadStates[CTDL_THREAD_LAST_STATE];
double CtdlThreadLoadAvg = 0;
double CtdlThreadWorkerAvg = 0;
-pthread_key_t ThreadKey;
+citthread_key_t ThreadKey;
-pthread_mutex_t Critters[MAX_SEMAPHORES]; /* Things needing locking */
+citthread_mutex_t Critters[MAX_SEMAPHORES]; /* Things needing locking */
/* Set up a bunch of semaphores to be used for critical sections */
for (i=0; i<MAX_SEMAPHORES; ++i) {
- pthread_mutex_init(&Critters[i], NULL);
+ citthread_mutex_init(&Critters[i], NULL);
}
}
) {
cdb_check_handles();
}
- return (pthread_mutex_trylock(&Critters[which_one]));
+ return (citthread_mutex_trylock(&Critters[which_one]));
}
) {
cdb_check_handles();
}
- pthread_mutex_lock(&Critters[which_one]);
+ citthread_mutex_lock(&Critters[which_one]);
}
/*
*/
void end_critical_section(int which_one)
{
- pthread_mutex_unlock(&Critters[which_one]);
+ citthread_mutex_unlock(&Critters[which_one]);
}
{
int ret;
- if ((ret = pthread_key_create(&ThreadKey, ctdl_thread_internal_dest_tsd))) {
- lprintf(CTDL_EMERG, "pthread_key_create: %s\n",
- strerror(ret));
+ if ((ret = citthread_key_create(&ThreadKey, ctdl_thread_internal_dest_tsd))) {
+ lprintf(CTDL_EMERG, "citthread_key_create: %s\n", strerror(ret));
exit(CTDLEXIT_DB);
}
}
{
ThreadTSD *tsd;
- if (pthread_getspecific(ThreadKey) != NULL)
+ if (citthread_getspecific(ThreadKey) != NULL)
return;
tsd = malloc(sizeof(ThreadTSD));
memset(tsd->cursors, 0, sizeof tsd->cursors);
tsd->self = NULL;
- pthread_setspecific(ThreadKey, tsd);
+ citthread_setspecific(ThreadKey, tsd);
}
void ctdl_thread_internal_free_tsd(void)
{
- ctdl_thread_internal_dest_tsd(pthread_getspecific(ThreadKey));
- pthread_setspecific(ThreadKey, NULL);
+ ctdl_thread_internal_dest_tsd(citthread_getspecific(ThreadKey));
+ citthread_setspecific(ThreadKey, NULL);
}
{
that_thread = this_thread;
this_thread = this_thread->next;
- pthread_mutex_destroy(&that_thread->ThreadMutex);
- pthread_cond_destroy(&that_thread->ThreadCond);
- pthread_mutex_destroy(&that_thread->SleepMutex);
- pthread_cond_destroy(&that_thread->SleepCond);
- pthread_attr_destroy(&that_thread->attr);
+ citthread_mutex_destroy(&that_thread->ThreadMutex);
+ citthread_cond_destroy(&that_thread->ThreadCond);
+ citthread_mutex_destroy(&that_thread->SleepMutex);
+ citthread_cond_destroy(&that_thread->SleepCond);
+ citthread_attr_destroy(&that_thread->attr);
free(that_thread);
}
ctdl_thread_internal_free_tsd();
CtdlThreadNode *this_thread;
int ret = 0;
- GC_thread = pthread_self();
+ GC_thread = citthread_self();
CtdlThreadStates[CTDL_THREAD_INVALID] = strdup ("Invalid Thread");
CtdlThreadStates[CTDL_THREAD_VALID] = strdup("Valid Thread");
CtdlThreadStates[CTDL_THREAD_CREATE] = strdup("Thread being Created");
// Ensuring this is zero'd means we make sure the thread doesn't start doing its thing until we are ready.
memset (this_thread, 0, sizeof(CtdlThreadNode));
- pthread_mutex_init (&(this_thread->ThreadMutex), NULL);
- pthread_cond_init (&(this_thread->ThreadCond), NULL);
- pthread_mutex_init (&(this_thread->SleepMutex), NULL);
- pthread_cond_init (&(this_thread->SleepCond), NULL);
+ citthread_mutex_init (&(this_thread->ThreadMutex), NULL);
+ citthread_cond_init (&(this_thread->ThreadCond), NULL);
+ citthread_mutex_init (&(this_thread->SleepMutex), NULL);
+ citthread_cond_init (&(this_thread->SleepCond), NULL);
/* We are garbage collector so create us as running */
this_thread->state = CTDL_THREAD_RUNNING;
- if ((ret = pthread_attr_init(&this_thread->attr))) {
- CtdlLogPrintf(CTDL_EMERG, "Thread system, pthread_attr_init: %s\n", strerror(ret));
+ if ((ret = citthread_attr_init(&this_thread->attr))) {
+ CtdlLogPrintf(CTDL_EMERG, "Thread system, citthread_attr_init: %s\n", strerror(ret));
free(this_thread);
return;
}
gettimeofday(&now, NULL);
timersub(&now, &(this_thread->last_state_change), &result);
/* I don't think these mutex's are needed here */
- pthread_mutex_lock(&this_thread->ThreadMutex);
+ citthread_mutex_lock(&this_thread->ThreadMutex);
// result now has a timeval for the time we spent in the last state since we last updated
last_duration = (double)result.tv_sec + ((double)result.tv_usec / (double) 1000000);
if (this_thread->state == CTDL_THREAD_SLEEPING)
if (this_thread->state == CTDL_THREAD_BLOCKED)
this_thread->avg_blocked += last_duration;
memcpy (&this_thread->last_state_change, &now, sizeof (struct timeval));
- pthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_unlock(&this_thread->ThreadMutex);
}
/*
*/
ctdl_thread_internal_update_avgs(this_thread);
/* This mutex not needed here? */
- pthread_mutex_lock(&this_thread->ThreadMutex); /* To prevent race condition of a sleeping thread */
+ citthread_mutex_lock(&this_thread->ThreadMutex); /* To prevent race condition of a sleeping thread */
if ((new_state == CTDL_THREAD_STOP_REQ) && (this_thread->state > CTDL_THREAD_STOP_REQ))
this_thread->state = new_state;
if (((new_state == CTDL_THREAD_SLEEPING) || (new_state == CTDL_THREAD_BLOCKED)) && (this_thread->state == CTDL_THREAD_RUNNING))
this_thread->state = new_state;
if ((new_state == CTDL_THREAD_RUNNING) && ((this_thread->state == CTDL_THREAD_SLEEPING) || (this_thread->state == CTDL_THREAD_BLOCKED)))
this_thread->state = new_state;
- pthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_unlock(&this_thread->ThreadMutex);
}
while(this_thread)
{
#ifdef THREADS_USESIGNALS
- pthread_kill(this_thread->tid, SIGHUP);
+ citthread_killl(this_thread->tid, SIGHUP);
#endif
ctdl_thread_internal_change_state (this_thread, CTDL_THREAD_STOP_REQ);
- pthread_cond_signal(&this_thread->ThreadCond);
- pthread_cond_signal(&this_thread->SleepCond);
- CtdlLogPrintf(CTDL_DEBUG, "Thread system stopping thread \"%s\" (%ld).\n", this_thread->name, this_thread->tid);
+ citthread_cond_signal(&this_thread->ThreadCond);
+ citthread_cond_signal(&this_thread->SleepCond);
+ CtdlLogPrintf(CTDL_DEBUG, "Thread system stopping thread \"%s\" (0x%08lx).\n",
+ this_thread->name, this_thread->tid);
this_thread = this_thread->next;
}
end_critical_section(S_THREAD_LIST);
{
if (!this_thread->thread_func)
{
- pthread_cond_signal(&this_thread->ThreadCond);
- pthread_cond_signal(&this_thread->SleepCond);
+ citthread_cond_signal(&this_thread->ThreadCond);
+ citthread_cond_signal(&this_thread->SleepCond);
}
this_thread = this_thread->next;
}
}
ctdl_thread_internal_change_state (this_thread, CTDL_THREAD_CANCELLED);
- pthread_cancel(this_thread->tid);
+ citthread_cancel(this_thread->tid);
}
-
/*
* A function for a thread to check if it has been asked to stop
*/
if (!(this_thread->thread_func))
return; // Don't stop garbage collector
#ifdef THREADS_USESIGNALS
- pthread_kill(this_thread->tid, SIGHUP);
+ citthread_kill(this_thread->tid, SIGHUP);
#endif
ctdl_thread_internal_change_state (this_thread, CTDL_THREAD_STOP_REQ);
- pthread_cond_signal(&this_thread->ThreadCond);
- pthread_cond_signal(&this_thread->SleepCond);
+ citthread_cond_signal(&this_thread->ThreadCond);
+ citthread_cond_signal(&this_thread->SleepCond);
}
/*
ctdl_thread_internal_change_state (CT, CTDL_THREAD_SLEEPING);
- pthread_mutex_lock(&CT->ThreadMutex); /* Prevent something asking us to awaken before we've gone to sleep */
- pthread_cond_timedwait(&CT->SleepCond, &CT->ThreadMutex, &wake_time);
- pthread_mutex_unlock(&CT->ThreadMutex);
+ citthread_mutex_lock(&CT->ThreadMutex); /* Prevent something asking us to awaken before we've gone to sleep */
+ citthread_cond_timedwait(&CT->SleepCond, &CT->ThreadMutex, &wake_time);
+ citthread_mutex_unlock(&CT->ThreadMutex);
ctdl_thread_internal_change_state (CT, CTDL_THREAD_RUNNING);
}
* In here we were called by the current thread because it is exiting
* NB. WE ARE THE CURRENT THREAD
*/
- CtdlLogPrintf(CTDL_NOTICE, "Thread \"%s\" (%ld) exited.\n", CT->name, CT->tid);
+ CtdlLogPrintf(CTDL_NOTICE, "Thread \"%s\" (0x%08lx) exited.\n", CT->name, CT->tid);
#ifdef HAVE_BACKTRACE
eCrash_UnregisterThread();
#endif
- pthread_mutex_lock(&CT->ThreadMutex);
+ citthread_mutex_lock(&CT->ThreadMutex);
CT->state = CTDL_THREAD_EXITED; // needs to be last thing else house keeping will unlink us too early
- pthread_mutex_unlock(&CT->ThreadMutex);
+ citthread_mutex_unlock(&CT->ThreadMutex);
}
/*
{
/* Update load averages */
ctdl_thread_internal_update_avgs(that_thread);
- pthread_mutex_lock(&that_thread->ThreadMutex);
+ citthread_mutex_lock(&that_thread->ThreadMutex);
that_thread->load_avg = (that_thread->avg_sleeping + that_thread->avg_running) / (that_thread->avg_sleeping + that_thread->avg_running + that_thread->avg_blocked) * 100;
that_thread->avg_sleeping /= 2;
that_thread->avg_running /= 2;
that_thread->avg_blocked,
that_thread->load_avg);
#endif
- pthread_mutex_unlock(&that_thread->ThreadMutex);
+ citthread_mutex_unlock(&that_thread->ThreadMutex);
that_thread = that_thread->next;
}
CtdlThreadLoadAvg = load_avg/num_threads;
that_thread = this_thread;
this_thread = this_thread->next;
+ if ((that_thread->state == CTDL_THREAD_STOP_REQ || that_thread->state == CTDL_THREAD_STOPPING)
+ && (!citthread_equal(that_thread->tid, citthread_self())))
+ that_thread->stop_ticker++;
+
+ if (that_thread->stop_ticker == 5)
+ {
+ CtdlLogPrintf(CTDL_DEBUG, "Thread System: The thread \"%s\" (0x%08lx) failed to self terminate withing 5 ticks. It would be cancelled now.\n", that_thread->name, that_thread->tid);
+ if ((that_thread->flags & CTDLTHREAD_WORKER) == 0)
+ CtdlLogPrintf(CTDL_INFO, "Thread System: A non worker thread would have been canceled this may cause message loss.\n");
+// that_thread->state = CTDL_THREAD_CANCELLED;
+ that_thread->stop_ticker++;
+// citthread_cancel(that_thread->tid);
+// continue;
+ }
+
/* Do we need to clean up this thread? */
- if (that_thread->state != CTDL_THREAD_EXITED)
+ if ((that_thread->state != CTDL_THREAD_EXITED) && (that_thread->state != CTDL_THREAD_CANCELLED))
{
if(that_thread->flags & CTDLTHREAD_WORKER)
workers++; /* Sanity check on number of worker threads */
continue;
}
- if (pthread_equal(that_thread->tid, pthread_self()) && that_thread->thread_func)
+ if (citthread_equal(that_thread->tid, citthread_self()) && that_thread->thread_func)
{ /* Sanity check */
end_critical_section(S_THREAD_LIST);
CtdlLogPrintf(CTDL_EMERG, "Thread system PANIC, a thread is trying to clean up after itself.\n");
if(that_thread->next)
that_thread->next->prev = that_thread->prev;
- pthread_cond_signal(&that_thread->ThreadCond);
- pthread_cond_signal(&that_thread->SleepCond); // Make sure this thread is awake
- pthread_mutex_lock(&that_thread->ThreadMutex); // Make sure it has done what its doing
- pthread_mutex_unlock(&that_thread->ThreadMutex);
+ citthread_cond_signal(&that_thread->ThreadCond);
+ citthread_cond_signal(&that_thread->SleepCond); // Make sure this thread is awake
+ citthread_mutex_lock(&that_thread->ThreadMutex); // Make sure it has done what its doing
+ citthread_mutex_unlock(&that_thread->ThreadMutex);
/*
* Join on the thread to do clean up and prevent memory leaks
* Also makes sure the thread has cleaned up after itself before we remove it from the list
* We can join on the garbage collector thread the join should just return EDEADLCK
*/
- ret = pthread_join (that_thread->tid, NULL);
+ ret = citthread_join (that_thread->tid, NULL);
if (ret == EDEADLK)
CtdlLogPrintf(CTDL_DEBUG, "Garbage collection on own thread.\n");
else if (ret == EINVAL)
else if (ret == ESRCH)
CtdlLogPrintf(CTDL_DEBUG, "Garbage collection, no thread to join on.\n");
else if (ret != 0)
- CtdlLogPrintf(CTDL_DEBUG, "Garbage collection, pthread_join returned an unknown error.\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Garbage collection, citthread_join returned an unknown error(%d).\n", ret);
/*
* Now we own that thread entry
*/
- CtdlLogPrintf(CTDL_INFO, "Garbage Collection for thread \"%s\" (%ld).\n", that_thread->name, that_thread->tid);
- pthread_mutex_destroy(&that_thread->ThreadMutex);
- pthread_cond_destroy(&that_thread->ThreadCond);
- pthread_mutex_destroy(&that_thread->SleepMutex);
- pthread_cond_destroy(&that_thread->SleepCond);
- pthread_attr_destroy(&that_thread->attr);
+ CtdlLogPrintf(CTDL_INFO, "Garbage Collection for thread \"%s\" (0x%08lx).\n",
+ that_thread->name, that_thread->tid);
+ citthread_mutex_destroy(&that_thread->ThreadMutex);
+ citthread_cond_destroy(&that_thread->ThreadCond);
+ citthread_mutex_destroy(&that_thread->SleepMutex);
+ citthread_cond_destroy(&that_thread->SleepCond);
+ citthread_attr_destroy(&that_thread->attr);
free(that_thread);
}
sys_workers = num_workers;
begin_critical_section(S_THREAD_LIST);
this_thread = (CtdlThreadNode *) arg;
gettimeofday(&this_thread->start_time, NULL); /* Time this thread started */
- pthread_mutex_lock(&this_thread->ThreadMutex);
+// citthread_mutex_lock(&this_thread->ThreadMutex);
// Register the cleanup function to take care of when we exit.
- pthread_cleanup_push(ctdl_internal_thread_cleanup, NULL);
+ citthread_cleanup_push(ctdl_internal_thread_cleanup, NULL);
// Get our thread data structure
CtdlThreadAllocTSD();
CT = this_thread;
* Other wise there is a window to allow this threads creation to continue to full grown and
* therby prevent a shutdown of the server.
*/
- pthread_mutex_unlock(&this_thread->ThreadMutex);
+// citthread_mutex_unlock(&this_thread->ThreadMutex);
if (!CtdlThreadCheckStop())
{
- pthread_mutex_lock(&this_thread->ThreadMutex);
+ citthread_mutex_lock(&this_thread->ThreadMutex);
this_thread->state = CTDL_THREAD_RUNNING;
- pthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_unlock(&this_thread->ThreadMutex);
}
end_critical_section(S_THREAD_LIST);
#endif
// Tell the world we are here
- CtdlLogPrintf(CTDL_NOTICE, "Created a new thread \"%s\" (%ld). \n", this_thread->name, this_thread->tid);
-
-
+ CtdlLogPrintf(CTDL_NOTICE, "Created a new thread \"%s\" (0x%08lx).\n",
+ this_thread->name, this_thread->tid);
/*
* run the thread to do the work but only if we haven't been asked to stop
* Our thread is exiting either because it wanted to end or because the server is stopping
* We need to clean up
*/
- pthread_cleanup_pop(1); // Execute our cleanup routine and remove it
+ citthread_cleanup_pop(1); // Execute our cleanup routine and remove it
return(ret);
}
-
+
+
/*
- * Internal function to create a thread.
- * Must be called from within a S_THREAD_LIST critical section
- */
-CtdlThreadNode *ctdl_internal_create_thread(char *name, long flags, void *(*thread_func) (void *arg), void *args)
+ * Function to initialise an empty thread structure
+ */
+CtdlThreadNode *ctdl_internal_init_thread_struct(CtdlThreadNode *this_thread, long flags)
{
int ret = 0;
- CtdlThreadNode *this_thread;
-
- if (num_threads >= 32767)
- {
- CtdlLogPrintf(CTDL_EMERG, "Thread system. Thread list full.\n");
- return NULL;
- }
-
- this_thread = malloc(sizeof(CtdlThreadNode));
- if (this_thread == NULL) {
- CtdlLogPrintf(CTDL_EMERG, "Thread system, can't allocate CtdlThreadNode, exiting\n");
- return NULL;
- }
+
// Ensuring this is zero'd means we make sure the thread doesn't start doing its thing until we are ready.
memset (this_thread, 0, sizeof(CtdlThreadNode));
/* Create the mutex's early so we can use them */
- pthread_mutex_init (&(this_thread->ThreadMutex), NULL);
- pthread_cond_init (&(this_thread->ThreadCond), NULL);
- pthread_mutex_init (&(this_thread->SleepMutex), NULL);
- pthread_cond_init (&(this_thread->SleepCond), NULL);
-
- pthread_mutex_lock(&this_thread->ThreadMutex);
+ citthread_mutex_init (&(this_thread->ThreadMutex), NULL);
+ citthread_cond_init (&(this_thread->ThreadCond), NULL);
+ citthread_mutex_init (&(this_thread->SleepMutex), NULL);
+ citthread_cond_init (&(this_thread->SleepCond), NULL);
this_thread->state = CTDL_THREAD_CREATE;
- if ((ret = pthread_attr_init(&this_thread->attr))) {
- pthread_mutex_unlock(&this_thread->ThreadMutex);
- pthread_mutex_destroy(&(this_thread->ThreadMutex));
- pthread_cond_destroy(&(this_thread->ThreadCond));
- pthread_mutex_destroy(&(this_thread->SleepMutex));
- pthread_cond_destroy(&(this_thread->SleepCond));
- CtdlLogPrintf(CTDL_EMERG, "Thread system, pthread_attr_init: %s\n", strerror(ret));
+ if ((ret = citthread_attr_init(&this_thread->attr))) {
+ citthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_destroy(&(this_thread->ThreadMutex));
+ citthread_cond_destroy(&(this_thread->ThreadCond));
+ citthread_mutex_destroy(&(this_thread->SleepMutex));
+ citthread_cond_destroy(&(this_thread->SleepCond));
+ CtdlLogPrintf(CTDL_EMERG, "Thread system, citthread_attr_init: %s\n", strerror(ret));
free(this_thread);
return NULL;
}
#ifdef WITH_THREADLOG
CtdlLogPrintf(CTDL_INFO, "Thread system. Creating BIG STACK thread.\n");
#endif
- if ((ret = pthread_attr_setstacksize(&this_thread->attr, THREADSTACKSIZE))) {
- pthread_mutex_unlock(&this_thread->ThreadMutex);
- pthread_mutex_destroy(&(this_thread->ThreadMutex));
- pthread_cond_destroy(&(this_thread->ThreadCond));
- pthread_mutex_destroy(&(this_thread->SleepMutex));
- pthread_cond_destroy(&(this_thread->SleepCond));
- pthread_attr_destroy(&this_thread->attr);
- CtdlLogPrintf(CTDL_EMERG, "Thread system, pthread_attr_setstacksize: %s\n",
+ if ((ret = citthread_attr_setstacksize(&this_thread->attr, THREADSTACKSIZE))) {
+ citthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_destroy(&(this_thread->ThreadMutex));
+ citthread_cond_destroy(&(this_thread->ThreadCond));
+ citthread_mutex_destroy(&(this_thread->SleepMutex));
+ citthread_cond_destroy(&(this_thread->SleepCond));
+ citthread_attr_destroy(&this_thread->attr);
+ CtdlLogPrintf(CTDL_EMERG, "Thread system, citthread_attr_setstacksize: %s\n",
strerror(ret));
free(this_thread);
return NULL;
}
}
+ /* Set this new thread with an avg_blocked of 2. We do this so that its creation affects the
+ * load average for the system. If we don't do this then we create a mass of threads at the same time
+ * because the creation didn't affect the load average.
+ */
+ this_thread->avg_blocked = 2;
+
+ return (this_thread);
+}
+
+
+
+
+/*
+ * Internal function to create a thread.
+ */
+CtdlThreadNode *ctdl_internal_create_thread(char *name, long flags, void *(*thread_func) (void *arg), void *args)
+{
+ int ret = 0;
+ CtdlThreadNode *this_thread;
+
+ if (num_threads >= 32767)
+ {
+ CtdlLogPrintf(CTDL_EMERG, "Thread system. Thread list full.\n");
+ return NULL;
+ }
+
+ this_thread = malloc(sizeof(CtdlThreadNode));
+ if (this_thread == NULL) {
+ CtdlLogPrintf(CTDL_EMERG, "Thread system, can't allocate CtdlThreadNode, exiting\n");
+ return NULL;
+ }
+
+ /* Initialise the thread structure */
+ if (ctdl_internal_init_thread_struct(this_thread, flags) == NULL)
+ {
+ free(this_thread);
+ CtdlLogPrintf(CTDL_EMERG, "Thread system, can't initialise CtdlThreadNode, exiting\n");
+ return NULL;
+ }
/*
* If we got here we are going to create the thread so we must initilise the structure
* first because most implimentations of threading can't create it in a stopped state
this_thread->flags = flags;
this_thread->thread_func = thread_func;
this_thread->user_args = args;
- /* Set this new thread with an avg_blocked of 2. We do this so that its creation affects the
- * load average for the system. If we don't do this then we create a mass of threads at the same time
- * because the creation didn't affect the load average.
- */
- this_thread->avg_blocked = 2;
+// citthread_mutex_lock(&this_thread->ThreadMutex);
+
+ begin_critical_section(S_THREAD_LIST);
/*
* We pass this_thread into the thread as its args so that it can find out information
* about itself and it has a bit of storage space for itself, not to mention that the REAL
* thread function needs to finish off the setup of the structure
*/
- if ((ret = pthread_create(&this_thread->tid, &this_thread->attr, ctdl_internal_thread_func, this_thread) != 0))
+ if ((ret = citthread_create(&this_thread->tid, &this_thread->attr, ctdl_internal_thread_func, this_thread) != 0))
{
-
+ end_critical_section(S_THREAD_LIST);
CtdlLogPrintf(CTDL_ALERT, "Thread system, Can't create thread: %s\n",
strerror(ret));
- pthread_mutex_unlock(&this_thread->ThreadMutex);
- pthread_mutex_destroy(&(this_thread->ThreadMutex));
- pthread_cond_destroy(&(this_thread->ThreadCond));
- pthread_mutex_destroy(&(this_thread->SleepMutex));
- pthread_cond_destroy(&(this_thread->SleepCond));
- pthread_attr_destroy(&this_thread->attr);
+ citthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_destroy(&(this_thread->ThreadMutex));
+ citthread_cond_destroy(&(this_thread->ThreadCond));
+ citthread_mutex_destroy(&(this_thread->SleepMutex));
+ citthread_cond_destroy(&(this_thread->SleepCond));
+ citthread_attr_destroy(&this_thread->attr);
free(this_thread);
return NULL;
}
CtdlThreadList = this_thread;
if (this_thread->next)
this_thread->next->prev = this_thread;
+ ctdl_thread_internal_calc_loadavg();
- pthread_mutex_unlock(&this_thread->ThreadMutex);
+// citthread_mutex_unlock(&this_thread->ThreadMutex);
+ end_critical_section(S_THREAD_LIST);
- ctdl_thread_internal_calc_loadavg();
return this_thread;
}
{
CtdlThreadNode *ret = NULL;
- begin_critical_section(S_THREAD_LIST);
ret = ctdl_internal_create_thread(name, flags, thread_func, args);
- end_critical_section(S_THREAD_LIST);
return ret;
}
*/
CtdlThreadNode *CtdlThreadSchedule(char *name, long flags, void *(*thread_func) (void *arg), void *args, time_t when)
{
- int ret = 0;
CtdlThreadNode *this_thread;
if (num_threads >= 32767)
CtdlLogPrintf(CTDL_EMERG, "Thread system, can't allocate CtdlThreadNode, exiting\n");
return NULL;
}
- // Ensuring this is zero'd means we make sure the thread doesn't start doing its thing until we are ready.
- memset (this_thread, 0, sizeof(CtdlThreadNode));
-
- /* Create the mutex's early so we can use them */
- pthread_mutex_init (&(this_thread->ThreadMutex), NULL);
- pthread_cond_init (&(this_thread->ThreadCond), NULL);
- pthread_mutex_init (&(this_thread->SleepMutex), NULL);
- pthread_cond_init (&(this_thread->SleepCond), NULL);
-
- this_thread->state = CTDL_THREAD_CREATE;
-
- if ((ret = pthread_attr_init(&this_thread->attr))) {
- pthread_mutex_destroy(&(this_thread->ThreadMutex));
- pthread_cond_destroy(&(this_thread->ThreadCond));
- pthread_mutex_destroy(&(this_thread->SleepMutex));
- pthread_cond_destroy(&(this_thread->SleepCond));
- CtdlLogPrintf(CTDL_EMERG, "Thread system, pthread_attr_init: %s\n", strerror(ret));
+ /* Initialise the thread structure */
+ if (ctdl_internal_init_thread_struct(this_thread, flags) == NULL)
+ {
free(this_thread);
+ CtdlLogPrintf(CTDL_EMERG, "Thread system, can't initialise CtdlThreadNode, exiting\n");
return NULL;
}
- /* Our per-thread stacks need to be bigger than the default size,
- * otherwise the MIME parser crashes on FreeBSD, and the IMAP service
- * crashes on 64-bit Linux.
- */
- if (flags & CTDLTHREAD_BIGSTACK)
- {
- CtdlLogPrintf(CTDL_INFO, "Thread system. Creating BIG STACK thread.\n");
- if ((ret = pthread_attr_setstacksize(&this_thread->attr, THREADSTACKSIZE))) {
- pthread_mutex_destroy(&(this_thread->ThreadMutex));
- pthread_cond_destroy(&(this_thread->ThreadCond));
- pthread_mutex_destroy(&(this_thread->SleepMutex));
- pthread_cond_destroy(&(this_thread->SleepCond));
- pthread_attr_destroy(&this_thread->attr);
- CtdlLogPrintf(CTDL_EMERG, "Thread system, pthread_attr_setstacksize: %s\n",
- strerror(ret));
- free(this_thread);
- return NULL;
- }
- }
-
/*
* If we got here we are going to create the thread so we must initilise the structure
* first because most implimentations of threading can't create it in a stopped state
this_thread->flags = flags;
this_thread->thread_func = thread_func;
this_thread->user_args = args;
- /* Set this new thread with an avg_blocked of 2. We do this so that its creation affects the
- * load average for the system. If we don't do this then we create a mass of threads at the same time
- * because the creation didn't affect the load average.
- */
- this_thread->avg_blocked = 2;
/*
* When to start this thread
{
int ret = 0;
+// citthread_mutex_lock(&that_thread->ThreadMutex);
+ begin_critical_section(S_THREAD_LIST);
/*
* We pass this_thread into the thread as its args so that it can find out information
* about itself and it has a bit of storage space for itself, not to mention that the REAL
* thread function needs to finish off the setup of the structure
*/
- if ((ret = pthread_create(&this_thread->tid, &this_thread->attr, ctdl_internal_thread_func, this_thread) != 0))
+ if ((ret = citthread_create(&this_thread->tid, &this_thread->attr, ctdl_internal_thread_func, this_thread) != 0))
{
-
- CtdlLogPrintf(CTDL_ALERT, "Thread system, Can't create thread: %s\n",
- strerror(ret));
+ end_critical_section(S_THREAD_LIST);
+ CtdlLogPrintf(CTDL_DEBUG, "Failed to start scheduled thread \"%s\": %s\n", this_thread->name, strerror(ret));
+// citthread_mutex_unlock(&this_thread->ThreadMutex);
+ citthread_mutex_destroy(&(this_thread->ThreadMutex));
+ citthread_cond_destroy(&(this_thread->ThreadCond));
+ citthread_mutex_destroy(&(this_thread->SleepMutex));
+ citthread_cond_destroy(&(this_thread->SleepCond));
+ citthread_attr_destroy(&this_thread->attr);
+ free(this_thread);
return NULL;
}
CtdlThreadList = this_thread;
if (this_thread->next)
this_thread->next->prev = this_thread;
+// citthread_mutex_unlock(&that_thread->ThreadMutex);
+
+ ctdl_thread_internal_calc_loadavg();
+ end_critical_section(S_THREAD_LIST);
+
return this_thread;
}
#ifdef WITH_THREADLOG
CtdlLogPrintf(CTDL_DEBUG, "About to start scheduled thread \"%s\".\n", that_thread->name);
#endif
- begin_critical_section(S_THREAD_LIST);
if (CT->state > CTDL_THREAD_STOP_REQ)
{ /* Only start it if the system is not stopping */
- pthread_mutex_lock(&that_thread->ThreadMutex);
- if (ctdl_thread_internal_start_scheduled (that_thread) == NULL)
+ if (ctdl_thread_internal_start_scheduled (that_thread))
{
#ifdef WITH_THREADLOG
- CtdlLogPrintf(CTDL_DEBUG, "Failed to start scheduled thread \"%s\".\n", that_thread->name);
-#endif
- pthread_mutex_unlock(&that_thread->ThreadMutex);
- pthread_mutex_destroy(&(that_thread->ThreadMutex));
- pthread_cond_destroy(&(that_thread->ThreadCond));
- pthread_mutex_destroy(&(that_thread->SleepMutex));
- pthread_cond_destroy(&(that_thread->SleepCond));
- pthread_attr_destroy(&that_thread->attr);
- free(that_thread);
- }
- else
- {
- CtdlLogPrintf(CTDL_INFO, "Thread system, Started a scheduled thread \"%s\" (%ld).\n",
+ CtdlLogPrintf(CTDL_INFO, "Thread system, Started a scheduled thread \"%s\" (%ud).\n",
that_thread->name, that_thread->tid);
- pthread_mutex_unlock(&that_thread->ThreadMutex);
- ctdl_thread_internal_calc_loadavg();
+#endif
}
}
- end_critical_section(S_THREAD_LIST);
}
+#ifdef WITH_THREADLOG
else
{
-#ifdef WITH_THREADLOG
- CtdlLogPrintf(CTDL_DEBUG, "Thread \"%s\" will start in %ld seconds.\n", that_thread->name, that_thread->when - time(NULL));
-#endif
+ CtdlLogPrintf(CTDL_DEBUG, "Thread \"%s\" will start in %ld seconds.\n",
+ that_thread->name, that_thread->when - time(NULL));
}
+#endif
}
end_critical_section(S_SCHEDULE_LIST);
}
/*
* This thread is now used for garbage collection of other threads in the thread list
*/
- CtdlLogPrintf(CTDL_INFO, "Startup thread %d becoming garbage collector,\n", pthread_self());
+ CtdlLogPrintf(CTDL_INFO, "Startup thread %d becoming garbage collector,\n", citthread_self());
/*
* We do a lot of locking and unlocking of the thread list in here.
last_worker = CtdlThreadList;
while (last_worker)
{
- pthread_mutex_lock(&last_worker->ThreadMutex);
+ citthread_mutex_lock(&last_worker->ThreadMutex);
if (last_worker->flags & CTDLTHREAD_WORKER && (last_worker->state > CTDL_THREAD_STOPPING) && (last_worker->Context == NULL))
{
- pthread_mutex_unlock(&last_worker->ThreadMutex);
+ citthread_mutex_unlock(&last_worker->ThreadMutex);
break;
}
- pthread_mutex_unlock(&last_worker->ThreadMutex);
+ citthread_mutex_unlock(&last_worker->ThreadMutex);
last_worker = last_worker->next;
}
end_critical_section(S_THREAD_LIST);
if (last_worker)
{
#ifdef WITH_THREADLOG
- CtdlLogPrintf(CTDL_DEBUG, "Thread system, stopping excess worker thread \"%s\" (%ld).\n",
+ CtdlLogPrintf(CTDL_DEBUG, "Thread system, stopping excess worker thread \"%s\" (0x%08lx).\n",
last_worker->name,
last_worker->tid
);
for (i=0; i<5 ; i++)
{
#ifdef NEW_WORKER
- CtdlThreadCreate("Worker Thread",
+ CtdlThreadCreate("Worker Thread (new)",
CTDLTHREAD_BIGSTACK + CTDLTHREAD_WORKER,
new_worker_thread,
NULL
projects / citadel.git / blobdiff