[project @ 2005-01-28 12:55:17 by simonmar]

[ghc-hetmet.git] / ghc / rts / Signals.c

diff --git a/ghc/rts/Signals.c b/ghc/rts/Signals.c
index 749a683..67fbf42 100644 (file)
--- a/ghc/rts/Signals.c
+++ b/ghc/rts/Signals.c
@@ -1,5 +1,4 @@
 /* -----------------------------------------------------------------------------
- * $Id: Signals.c,v 1.38 2003/09/21 13:22:03 igloo Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -16,10 +15,9 @@
 #include "Signals.h"
 #include "RtsUtils.h"
 #include "RtsFlags.h"
-#include "StablePriv.h"
 
-#ifdef alpha_TARGET_ARCH
-# if defined(linux_TARGET_OS)
+#ifdef alpha_HOST_ARCH
+# if defined(linux_HOST_OS)
 #  include <asm/fpu.h>
 # else
 #  include <machine/fpu.h>
@@ -56,22 +54,25 @@ static nat n_haskell_handlers = 0;
 StgPtr pending_handler_buf[N_PENDING_HANDLERS];
 StgPtr *next_pending_handler = pending_handler_buf;
 
+/* -----------------------------------------------------------------------------
+ * Signal handling
+ * -------------------------------------------------------------------------- */
+
 #ifdef RTS_SUPPORTS_THREADS
 pthread_t signalHandlingThread;
 #endif
 
-       // Handle all signals in the current thread.
-       // Called from Capability.c whenever the main capability is granted to a thread
-       // and in installDefaultHandlers
+// Handle all signals in the current thread.
+// Called from Capability.c whenever the main capability is granted to a thread
+// and in installDefaultHandlers
 void
-handleSignalsInThisThread()
+handleSignalsInThisThread(void)
 {
 #ifdef RTS_SUPPORTS_THREADS
     signalHandlingThread = pthread_self();
 #endif
 }
 
-
 /* -----------------------------------------------------------------------------
  * Allocate/resize the table of signal handlers.
  * -------------------------------------------------------------------------- */
@@ -169,7 +170,7 @@ generic_handler(int sig)
 
     // stack full?
     if (next_pending_handler == &pending_handler_buf[N_PENDING_HANDLERS]) {
-       prog_belch("too many pending signals");
+       errorBelch("too many pending signals");
        stg_exit(EXIT_FAILURE);
     }
     
@@ -295,7 +296,7 @@ stg_sig_install(int sig, int spi, StgStablePtr *handler, void *mask)
        }
        return STG_SIG_ERR;
     }
-    
+
     if (previous_spi == STG_SIG_DFL || previous_spi == STG_SIG_IGN
        || previous_spi == STG_SIG_ERR) {
        return previous_spi;
@@ -437,10 +438,10 @@ initDefaultHandlers()
     sigemptyset(&action.sa_mask);
     action.sa_flags = 0;
     if (sigaction(SIGINT, &action, &oact) != 0) {
-       prog_belch("warning: failed to install SIGINT handler");
+       errorBelch("warning: failed to install SIGINT handler");
     }
 
-#ifndef cygwin32_TARGET_OS
+#if defined(HAVE_SIGINTERRUPT)
     siginterrupt(SIGINT, 1);   // isn't this the default? --SDM
 #endif
 
@@ -449,7 +450,7 @@ initDefaultHandlers()
     sigemptyset(&action.sa_mask);
     action.sa_flags = 0;
     if (sigaction(SIGCONT, &action, &oact) != 0) {
-       prog_belch("warning: failed to install SIGCONT handler");
+       errorBelch("warning: failed to install SIGCONT handler");
     }
 
     // install the SIGFPE handler
@@ -467,11 +468,11 @@ initDefaultHandlers()
     sigemptyset(&action.sa_mask);
     action.sa_flags = 0;
     if (sigaction(SIGFPE, &action, &oact) != 0) {
-       prog_belch("warning: failed to install SIGFPE handler");
+       errorBelch("warning: failed to install SIGFPE handler");
     }
 #endif
 
-#ifdef alpha_TARGET_ARCH
+#ifdef alpha_HOST_ARCH
     ieee_set_fp_control(0);
 #endif
 }