X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FTask.c;h=3be5b283d7916db1d6b99b47c5e14e450a76968c;hb=1ca9b6f8f22b58898b42bcb5b1017a85f4ab06a7;hp=918dc559b83a3967060cb86b24e8a6c877ab1233;hpb=5a2769f0273dd389977e8283375e7920d183bdd4;p=ghc-hetmet.git diff --git a/rts/Task.c b/rts/Task.c index 918dc55..3be5b28 100644 --- a/rts/Task.c +++ b/rts/Task.c @@ -28,8 +28,6 @@ Task *all_tasks = NULL; static Task *task_free_list = NULL; // singly-linked static nat taskCount; -#define DEFAULT_MAX_WORKERS 64 -static nat maxWorkers; // we won't create more workers than this static nat tasksRunning; static nat workerCount; @@ -58,7 +56,6 @@ initTaskManager (void) taskCount = 0; workerCount = 0; tasksRunning = 0; - maxWorkers = DEFAULT_MAX_WORKERS; initialized = 1; #if defined(THREADED_RTS) newThreadLocalKey(¤tTaskKey); @@ -70,9 +67,19 @@ initTaskManager (void) void stopTaskManager (void) { + Task *task, *next; + debugTrace(DEBUG_sched, "stopping task manager, %d tasks still running", tasksRunning); + + ACQUIRE_LOCK(&sched_mutex); + for (task = task_free_list; task != NULL; task = next) { + next = task->next; + stgFree(task); + } + task_free_list = NULL; + RELEASE_LOCK(&sched_mutex); } @@ -185,7 +192,7 @@ discardTask (Task *task) { ASSERT_LOCK_HELD(&sched_mutex); if (!task->stopped) { - debugTrace(DEBUG_sched, "discarding task %p", TASK_ID(task)); + debugTrace(DEBUG_sched, "discarding task %ld", (long)TASK_ID(task)); task->cap = NULL; task->tso = NULL; task->stopped = rtsTrue; @@ -236,7 +243,7 @@ workerTaskStop (Task *task) void resetTaskManagerAfterFork (void) { -#warning TODO! + // TODO! taskCount = 0; } @@ -250,9 +257,6 @@ startWorkerTask (Capability *cap, OSThreadId tid; Task *task; - if (workerCount >= maxWorkers) { - barf("too many workers; runaway worker creation?"); - } workerCount++; // A worker always gets a fresh Task structure. @@ -312,7 +316,7 @@ printAllTasks(void) debugBelch("on capability %d, ", task->cap->no); } if (task->tso) { - debugBelch("bound to thread %d", task->tso->id); + debugBelch("bound to thread %lu", (unsigned long)task->tso->id); } else { debugBelch("worker"); }