X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FTask.c;h=4a630843b725cec6aa1afaff7e26417dac2a06ae;hb=8b08c15b8ace5a76e341939081fbb6ad2736ddd1;hp=dcfa5b5aee629919da4d0e7c8d4c133d3a7592ff;hpb=d54ca9c56b628c9676286af15a995bc3ce791456;p=ghc-hetmet.git diff --git a/rts/Task.c b/rts/Task.c index dcfa5b5..4a63084 100644 --- a/rts/Task.c +++ b/rts/Task.c @@ -15,6 +15,7 @@ #include "Capability.h" #include "Stats.h" #include "RtsFlags.h" +#include "Storage.h" #include "Schedule.h" #include "Hash.h" #include "Trace.h" @@ -67,17 +68,30 @@ initTaskManager (void) void stopTaskManager (void) { - Task *task, *next; - debugTrace(DEBUG_sched, "stopping task manager, %d tasks still running", tasksRunning); + /* nothing to do */ +} + + +void +freeTaskManager (void) +{ + Task *task, *next; + + debugTrace(DEBUG_sched, "freeing task manager"); ACQUIRE_LOCK(&sched_mutex); - for (task = task_free_list; task != NULL; task = next) { - next = task->next; + for (task = all_tasks; task != NULL; task = next) { +#if defined(THREADED_RTS) + closeCondition(&task->cond); + closeMutex(&task->lock); +#endif + next = task->all_link; stgFree(task); } + all_tasks = NULL; task_free_list = NULL; RELEASE_LOCK(&sched_mutex); } @@ -192,7 +206,7 @@ discardTask (Task *task) { ASSERT_LOCK_HELD(&sched_mutex); if (!task->stopped) { - debugTrace(DEBUG_sched, "discarding task %ld", TASK_ID(task)); + debugTrace(DEBUG_sched, "discarding task %ld", (long)TASK_ID(task)); task->cap = NULL; task->tso = NULL; task->stopped = rtsTrue; @@ -238,6 +252,11 @@ workerTaskStop (Task *task) taskTimeStamp(task); task->stopped = rtsTrue; tasksRunning--; + + ACQUIRE_LOCK(&sched_mutex); + task->next = task_free_list; + task_free_list = task; + RELEASE_LOCK(&sched_mutex); } void @@ -279,7 +298,8 @@ startWorkerTask (Capability *cap, r = createOSThread(&tid, (OSThreadProc *)taskStart, task); if (r != 0) { - barf("startTask: Can't create new task"); + sysErrorBelch("failed to create OS thread"); + stg_exit(EXIT_FAILURE); } debugTrace(DEBUG_sched, "new worker task (taskCount: %d)", taskCount); @@ -316,7 +336,7 @@ 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"); }