return;
}
+void
+resetTaskManagerAfterFork ()
+{
+ barf("resetTaskManagerAfterFork not implemented for SMP");
+}
+
#else
/************ THREADS version *****************/
taskCount = 0;
}
-void
+rtsBool
startTask ( void (*taskStart)(void) )
{
int r;
OSThreadId tid;
/* If more than one worker thread is known to be blocked waiting
- on thread_ready_cond, signal it rather than creating a new one.
+ on thread_ready_cond, don't create a new one.
*/
if ( rts_n_waiting_tasks > 0) {
IF_DEBUG(scheduler,fprintf(stderr,
"scheduler: startTask: %d tasks waiting, not creating new one.\n",
rts_n_waiting_tasks););
- signalCondition(&thread_ready_cond);
- /* Not needed, but gives more 'interesting' thread schedules when testing */
- yieldThread();
- return;
+ // the task will run as soon as a capability is available,
+ // so there's no need to wake it.
+ return rtsFalse;
}
/* If the task limit has been reached, just return. */
if (maxTasks > 0 && taskCount == maxTasks) {
IF_DEBUG(scheduler,fprintf(stderr,"scheduler: startTask: task limit (%d) reached, not creating new one.\n",maxTasks));
- return;
+ return rtsFalse;
}
taskCount++;
IF_DEBUG(scheduler,fprintf(stderr,"scheduler: startTask: new task %ld (total_count: %d; waiting: %d)\n", tid, taskCount, rts_n_waiting_tasks););
- return;
+ return rtsTrue;
}
{
}
+
+void
+resetTaskManagerAfterFork ( void )
+{
+ rts_n_waiting_tasks = 0;
+ taskCount = 0;
+}
#endif