Add an --install-signal-handlers=<yes|no> RTS flag; fixes trac #804

[ghc-hetmet.git] / rts / posix / Select.c

diff --git a/rts/posix/Select.c b/rts/posix/Select.c
index e21ced0..57599bc 100644 (file)
--- a/rts/posix/Select.c
+++ b/rts/posix/Select.c
@@ -10,6 +10,7 @@
 /* #include "PosixSource.h" */
 
 #include "Rts.h"
+#include "Storage.h"
 #include "Schedule.h"
 #include "RtsUtils.h"
 #include "RtsFlags.h"
@@ -65,7 +66,7 @@ wakeUpSleepingThreads(lnat ticks)
        sleeping_queue = tso->link;
        tso->why_blocked = NotBlocked;
        tso->link = END_TSO_QUEUE;
-       IF_DEBUG(scheduler,debugBelch("Waking up sleeping thread %d\n", tso->id));
+       IF_DEBUG(scheduler,debugBelch("Waking up sleeping thread %lu\n", (unsigned long)tso->id));
        // MainCapability: this code is !THREADED_RTS
        pushOnRunQueue(&MainCapability,tso);
        flag = rtsTrue;
@@ -126,7 +127,7 @@ awaitEvent(rtsBool wait)
          min = 0;
       } else if (sleeping_queue != END_TSO_QUEUE) {
          min = (sleeping_queue->block_info.target - ticks) 
-             * TICK_MILLISECS * 1000;
+             * RtsFlags.MiscFlags.tickInterval * 1000;
       } else {
          min = 0x7ffffff;
       }
@@ -207,7 +208,7 @@ awaitEvent(rtsBool wait)
           * serviced.
           */
 #if defined(RTS_USER_SIGNALS)
-         if (signals_pending()) {
+         if (RtsFlags.MiscFlags.install_signal_handlers && signals_pending()) {
              startSignalHandlers(&MainCapability);
              return; /* still hold the lock */
          }
@@ -251,7 +252,7 @@ awaitEvent(rtsBool wait)
              }
       
              if (ready) {
-                 IF_DEBUG(scheduler,debugBelch("Waking up blocked thread %d\n", tso->id));
+               IF_DEBUG(scheduler,debugBelch("Waking up blocked thread %lu\n", (unsigned long)tso->id));
                  tso->why_blocked = NotBlocked;
                  tso->link = END_TSO_QUEUE;
                  pushOnRunQueue(&MainCapability,tso);