X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FSchedule.c;h=3d87003756ff7f72fbb9f0ba696e627f2ab9bbd7;hb=85174045bbcc05adb28447d423794d1f087da59e;hp=e328b5b8cf3444c44e2ebef1ffbf167f85fe7c3e;hpb=f70052e9dd0492e2e73e96b54ae97c5ee6bf24a3;p=ghc-hetmet.git

diff --git a/rts/Schedule.c b/rts/Schedule.c
index e328b5b..3d87003 100644
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -862,7 +862,8 @@ schedulePushWork(Capability *cap USED_IF_THREADS,
 static void
 scheduleStartSignalHandlers(Capability *cap)
 {
-    if (signals_pending()) { // safe outside the lock
+    if (RtsFlags.MiscFlags.install_signal_handlers && signals_pending()) {
+        // safe outside the lock
 	startSignalHandlers(cap);
     }
 }
@@ -985,7 +986,7 @@ scheduleDetectDeadlock (Capability *cap, Task *task)
 	 * for signals to arrive rather then bombing out with a
 	 * deadlock.
 	 */
-	if ( anyUserHandlers() ) {
+	if ( RtsFlags.MiscFlags.install_signal_handlers && anyUserHandlers() ) {
 	    debugTrace(DEBUG_sched,
 		       "still deadlocked, waiting for signals...");
 
@@ -2110,7 +2111,7 @@ scheduleDoGC (Capability *cap, Task *task USED_IF_THREADS, rtsBool force_major)
  * Singleton fork(). Do not copy any running threads.
  * ------------------------------------------------------------------------- */
 
-StgInt
+pid_t
 forkProcess(HsStablePtr *entry
 #ifndef FORKPROCESS_PRIMOP_SUPPORTED
 	    STG_UNUSED
@@ -2708,7 +2709,9 @@ GetRoots( evac_fn evac )
     
 #if defined(RTS_USER_SIGNALS)
     // mark the signal handlers (signals should be already blocked)
-    markSignalHandlers(evac);
+    if (RtsFlags.MiscFlags.install_signal_handlers) {
+        markSignalHandlers(evac);
+    }
 #endif
 }