X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FSelect.c;h=677fdd2c8198103a9e0c095efc532593c405b113;hb=3aa14dd83b4fdb99e68f428616c2a9207286b275;hp=da0e12469fbbb9b0e7c21c060a34048e025c515a;hpb=47e6674f14f0b414bbb3f37ffff8749302e0f4b2;p=ghc-hetmet.git

diff --git a/ghc/rts/Select.c b/ghc/rts/Select.c
index da0e124..677fdd2 100644
--- a/ghc/rts/Select.c
+++ b/ghc/rts/Select.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Select.c,v 1.27 2003/03/29 00:00:41 sof Exp $
+ * $Id: Select.c,v 1.29 2003/06/26 12:22:59 stolz Exp $
  *
  * (c) The GHC Team 1995-2002
  *
@@ -31,6 +31,10 @@
 #include <errno.h>
 #include <string.h>
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 /* last timestamp */
 nat timestamp = 0;
 
@@ -232,12 +236,14 @@ awaitEvent(rtsBool wait)
 	   * we could block for a long time before the signal is
 	   * serviced.
 	   */
+#if defined(RTS_USER_SIGNALS)
 	  if (signals_pending()) {
 	      RELEASE_LOCK(&sched_mutex); /* ToDo: kill */
 	      startSignalHandlers();
 	      ACQUIRE_LOCK(&sched_mutex);
 	      return; /* still hold the lock */
 	  }
+#endif
 
 	  /* we were interrupted, return to the scheduler immediately.
 	   */