- ctdl_thread_internal_change_state (this_thread, CTDL_THREAD_STOP_REQ);
- citthread_cond_signal(&this_thread->ThreadCond);
- citthread_cond_signal(&this_thread->SleepCond);
- this_thread->stop_ticker = time(NULL);
-}
-
-/*
- * So we now have a sleep command that works with threads but it is in seconds
- */
-void CtdlThreadSleep(int secs)
-{
- struct timespec wake_time;
- struct timeval time_now;
-
-
- if (!CT)
- {
- syslog(LOG_WARNING, "CtdlThreadSleep() called by something that is not a thread. Should we die?\n");
- return;
- }
-
- memset (&wake_time, 0, sizeof(struct timespec));
- gettimeofday(&time_now, NULL);
- wake_time.tv_sec = time_now.tv_sec + secs;
- wake_time.tv_nsec = time_now.tv_usec * 10;
-
- ctdl_thread_internal_change_state (CT, CTDL_THREAD_SLEEPING);
-
- 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);
-}
-
-
-/*
- * Routine to clean up our thread function on exit
- */
-static void ctdl_internal_thread_cleanup(void *arg)
-{
- /*
- * In here we were called by the current thread because it is exiting
- * NB. WE ARE THE CURRENT THREAD
- */
- if (CT)
- {
- const char *name = CT->name;
- const pid_t tid = CT->tid;
-
- syslog(LOG_NOTICE, "Thread \"%s\" (0x%08lx) exited.\n", name, (unsigned long) tid);
- }
- else
- {
- syslog(LOG_NOTICE, "some ((unknown ? ? ?) Thread exited.\n");
- }
-
- #ifdef HAVE_BACKTRACE
-/// eCrash_UnregisterThread();
- #endif
-
- citthread_mutex_lock(&CT->ThreadMutex);
- CT->state = CTDL_THREAD_EXITED; // needs to be last thing else house keeping will unlink us too early
- citthread_mutex_unlock(&CT->ThreadMutex);
-}
-
-/*
- * Garbage collection routine.
- * Gets called by main() in a loop to clean up the thread list periodically.
- */
-void CtdlThreadGC (void)
-{
-
-
- return;
- /* FIXME this is a big deal, but I think it's causing corruption */
-
-
- CtdlThreadNode *this_thread, *that_thread;
- int workers = 0, sys_workers;
- int ret=0;
-
- begin_critical_section(S_THREAD_LIST);
-
- /* Handle exiting of garbage collector thread */
- if(num_threads == 1)
- CtdlThreadList->state = CTDL_THREAD_EXITED;
-
-#ifdef WITH_THREADLOG
- syslog(LOG_DEBUG, "Thread system running garbage collection.\n");
-#endif
- /*
- * Woke up to do garbage collection
- */
- this_thread = CtdlThreadList;
- while(this_thread)
- {
- 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())))
- {
- syslog(LOG_DEBUG, "Waiting for thread %s (0x%08lx) to exit.\n", that_thread->name, that_thread->tid);
- terminate_stuck_sessions();
- }
- else
- {
- /**
- * Catch the situation where a worker was asked to stop but couldn't and we are not
- * shutting down.
- */
- that_thread->stop_ticker = 0;
- }
-
- if (that_thread->stop_ticker + 5 == time(NULL))
- {
- syslog(LOG_DEBUG, "Thread System: The thread \"%s\" (0x%08lx) failed to self terminate within 5 ticks. It would be cancelled now.\n", that_thread->name, that_thread->tid);
- if ((that_thread->flags & CTDLTHREAD_WORKER) == 0)
- syslog(LOG_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) && (that_thread->state != CTDL_THREAD_CANCELLED))
- {
- if(that_thread->flags & CTDLTHREAD_WORKER)
- workers++; /* Sanity check on number of worker threads */
- continue;
- }
-
- if (citthread_equal(that_thread->tid, citthread_self()) && that_thread->thread_func)
- { /* Sanity check */
- end_critical_section(S_THREAD_LIST);
- syslog(LOG_EMERG, "Thread system PANIC, a thread is trying to clean up after itself.\n");
- abort();
- return;
- }
-
- if (num_threads <= 0)
- { /* Sanity check */
- end_critical_section(S_THREAD_LIST);
- syslog(LOG_EMERG, "Thread system PANIC, num_threads <= 0 and trying to do Garbage Collection.\n");
- abort();
- return;
- }
-
- if(that_thread->flags & CTDLTHREAD_WORKER)
- num_workers--; /* This is a wroker thread so reduce the count. */
- num_threads--;
- /* If we are unlinking the list head then the next becomes the list head */
- if(that_thread->prev)
- that_thread->prev->next = that_thread->next;
- else
- CtdlThreadList = that_thread->next;
- if(that_thread->next)
- that_thread->next->prev = that_thread->prev;
-
- 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 = citthread_join (that_thread->tid, NULL);
- if (ret == EDEADLK)
- syslog(LOG_DEBUG, "Garbage collection on own thread.\n");
- else if (ret == EINVAL)
- syslog(LOG_DEBUG, "Garbage collection, that thread already joined on.\n");
- else if (ret == ESRCH)
- syslog(LOG_DEBUG, "Garbage collection, no thread to join on.\n");
- else if (ret != 0)
- syslog(LOG_DEBUG, "Garbage collection, citthread_join returned an unknown error(%d).\n", ret);
- /*
- * Now we own that thread entry
- */
- syslog(LOG_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;
- end_critical_section(S_THREAD_LIST);
-
- /* Sanity check number of worker threads */
- if (workers != sys_workers)
- {
- syslog(LOG_EMERG,
- "Thread system PANIC, discrepancy in number of worker threads. Counted %d, should be %d.\n",
- workers, sys_workers
- );
- abort();
- }