X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2Fposix%2FSelect.c;h=ae9c717a9a88d32a5b7b5fd11c5c67d2f80a3a5c;hb=067ec969bb0bdc4c88582e53b040fa2925cbcc56;hp=bb65310c9e3c9b5228b0c8490ca759c638d45e26;hpb=ab0e778ccfde61aed4c22679b24d175fc6cc9bf3;p=ghc-hetmet.git

diff --git a/rts/posix/Select.c b/rts/posix/Select.c
index bb65310..ae9c717 100644
--- a/rts/posix/Select.c
+++ b/rts/posix/Select.c
@@ -61,11 +61,11 @@ wakeUpSleepingThreads(lnat ticks)
     rtsBool flag = rtsFalse;
 
     while (sleeping_queue != END_TSO_QUEUE &&
-	   (int)(ticks - sleeping_queue->block_info.target) > 0) {
+	   (int)(ticks - sleeping_queue->block_info.target) >= 0) {
 	tso = sleeping_queue;
-	sleeping_queue = tso->link;
+	sleeping_queue = tso->_link;
 	tso->why_blocked = NotBlocked;
-	tso->link = END_TSO_QUEUE;
+	tso->_link = END_TSO_QUEUE;
 	IF_DEBUG(scheduler,debugBelch("Waking up sleeping thread %lu\n", (unsigned long)tso->id));
 	// MainCapability: this code is !THREADED_RTS
 	pushOnRunQueue(&MainCapability,tso);
@@ -139,13 +139,17 @@ awaitEvent(rtsBool wait)
       FD_ZERO(&wfd);
 
       for(tso = blocked_queue_hd; tso != END_TSO_QUEUE; tso = next) {
-	next = tso->link;
+	next = tso->_link;
 
+      /* On FreeBSD FD_SETSIZE is unsigned. Cast it to signed int
+       * in order to switch off the 'comparison between signed and
+       * unsigned error message
+       */
 	switch (tso->why_blocked) {
 	case BlockedOnRead:
 	  { 
 	    int fd = tso->block_info.fd;
-	    if (fd >= FD_SETSIZE) {
+	    if (fd >= (int)FD_SETSIZE) {
 		barf("awaitEvent: descriptor out of range");
 	    }
 	    maxfd = (fd > maxfd) ? fd : maxfd;
@@ -156,7 +160,7 @@ awaitEvent(rtsBool wait)
 	case BlockedOnWrite:
 	  { 
 	    int fd = tso->block_info.fd;
-	    if (fd >= FD_SETSIZE) {
+	    if (fd >= (int)FD_SETSIZE) {
 		barf("awaitEvent: descriptor out of range");
 	    }
 	    maxfd = (fd > maxfd) ? fd : maxfd;
@@ -208,7 +212,7 @@ 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 */
 	  }
@@ -239,7 +243,7 @@ awaitEvent(rtsBool wait)
       prev = NULL;
       if (select_succeeded || unblock_all) {
 	  for(tso = blocked_queue_hd; tso != END_TSO_QUEUE; tso = next) {
-	      next = tso->link;
+	      next = tso->_link;
 	      switch (tso->why_blocked) {
 	      case BlockedOnRead:
 		  ready = unblock_all || FD_ISSET(tso->block_info.fd, &rfd);
@@ -254,13 +258,13 @@ awaitEvent(rtsBool wait)
 	      if (ready) {
 		IF_DEBUG(scheduler,debugBelch("Waking up blocked thread %lu\n", (unsigned long)tso->id));
 		  tso->why_blocked = NotBlocked;
-		  tso->link = END_TSO_QUEUE;
+		  tso->_link = END_TSO_QUEUE;
 		  pushOnRunQueue(&MainCapability,tso);
 	      } else {
 		  if (prev == NULL)
 		      blocked_queue_hd = tso;
 		  else
-		      prev->link = tso;
+		      setTSOLink(&MainCapability, prev, tso);
 		  prev = tso;
 	      }
 	  }
@@ -268,7 +272,7 @@ awaitEvent(rtsBool wait)
 	  if (prev == NULL)
 	      blocked_queue_hd = blocked_queue_tl = END_TSO_QUEUE;
 	  else {
-	      prev->link = END_TSO_QUEUE;
+	      prev->_link = END_TSO_QUEUE;
 	      blocked_queue_tl = prev;
 	  }
       }