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Diffstat (limited to 'rts/Task.c')
-rw-r--r--rts/Task.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/rts/Task.c b/rts/Task.c
index 7120436bb4..9397789105 100644
--- a/rts/Task.c
+++ b/rts/Task.c
@@ -64,25 +64,16 @@ initTaskManager (void)
}
}
-
-void
-stopTaskManager (void)
-{
- debugTrace(DEBUG_sched,
- "stopping task manager, %d tasks still running",
- tasksRunning);
- /* nothing to do */
-}
-
-
-void
+nat
freeTaskManager (void)
{
Task *task, *next;
- debugTrace(DEBUG_sched, "freeing task manager");
+ ASSERT_LOCK_HELD(&sched_mutex);
+
+ debugTrace(DEBUG_sched, "freeing task manager, %d tasks still running",
+ tasksRunning);
- ACQUIRE_LOCK(&sched_mutex);
for (task = all_tasks; task != NULL; task = next) {
next = task->all_link;
if (task->stopped) {
@@ -102,7 +93,8 @@ freeTaskManager (void)
#if defined(THREADED_RTS)
freeThreadLocalKey(&currentTaskKey);
#endif
- RELEASE_LOCK(&sched_mutex);
+
+ return tasksRunning;
}
@@ -149,7 +141,6 @@ newTask (void)
all_tasks = task;
taskCount++;
- workerCount++;
return task;
}
@@ -185,6 +176,7 @@ newBoundTask (void)
void
boundTaskExiting (Task *task)
{
+ task->tso = NULL;
task->stopped = rtsTrue;
task->cap = NULL;
@@ -218,7 +210,11 @@ discardTask (Task *task)
if (!task->stopped) {
debugTrace(DEBUG_sched, "discarding task %ld", (long)TASK_ID(task));
task->cap = NULL;
- task->tso = NULL;
+ if (task->tso == NULL) {
+ workerCount--;
+ } else {
+ task->tso = NULL;
+ }
task->stopped = rtsTrue;
tasksRunning--;
task->next = task_free_list;
@@ -263,6 +259,7 @@ workerTaskStop (Task *task)
taskTimeStamp(task);
task->stopped = rtsTrue;
tasksRunning--;
+ workerCount--;
ACQUIRE_LOCK(&sched_mutex);
task->next = task_free_list;