X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=cbits%2FrunProcess.c;h=83586056f6ccf2ffc18942f842a7b7f87b02438a;hb=9fcd4e60afbfe43c62372cd75fd940c2c4294265;hp=320f3bf87e6438c7fbbdf8d31b05c9814486f6a6;hpb=65178305522d964c9835acf82b4879836094d2a2;p=ghc-base.git

diff --git a/cbits/runProcess.c b/cbits/runProcess.c
index 320f3bf..8358605 100644
--- a/cbits/runProcess.c
+++ b/cbits/runProcess.c
@@ -6,7 +6,7 @@
 
 #include "HsBase.h"
 
-#if defined(mingw32_TARGET_OS)
+#if defined(mingw32_HOST_OS)
 #include <windows.h>
 #include <stdlib.h>
 #endif
@@ -23,14 +23,16 @@
 #include <signal.h>
 #endif
 
-#if !defined(mingw32_TARGET_OS) && !defined(__MINGW32__)
+#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)
 /* ----------------------------------------------------------------------------
    UNIX versions
    ------------------------------------------------------------------------- */
 
 ProcHandle
 runProcess (char *const args[], char *workingDirectory, char **environment, 
-	    int fdStdInput, int fdStdOutput, int fdStdError)
+	    int fdStdInput, int fdStdOutput, int fdStdError,
+	    int set_inthandler, long inthandler, 
+	    int set_quithandler, long quithandler)
 {
     int pid;
     struct sigaction dfl;
@@ -48,27 +50,18 @@ runProcess (char *const args[], char *workingDirectory, char **environment,
 	    chdir (workingDirectory);
 	}
 	
-	/*
-	 * Restore SIGINT and SIGQUIT to default actions
-	 *
-	 * Glyn Clemments writes:
-	 * For your purposes, runProcess + waitForProcess is probably
-	 * the way to go. Except that runProcess appears to be missing
-	 * the usual signal handling. system() ignores SIGINT and
-	 * SIGQUIT in the parent, and resets them to their defaults in
-	 * the child; it also blocks SIGCHLD in the parent. runProcess
-	 * may need to do something similar; it should probably at
-	 * least reset SIGINT and SIGQUIT in the child, in case they
-	 * are ignored in the parent. The parent can set up its own
-	 * signal handling, but the only place it can control the
-	 * child's signal handling is between the fork() and the
-	 * exec(), so if runProcess doesn't do it, it won't get done.
+	/* Set the SIGINT/SIGQUIT signal handlers in the child, if requested 
 	 */
-        dfl.sa_handler = SIG_DFL;
         (void)sigemptyset(&dfl.sa_mask);
         dfl.sa_flags = 0;
-	(void)sigaction(SIGINT, &dfl, NULL);
-	(void)sigaction(SIGQUIT,  &dfl, NULL);
+	if (set_inthandler) {
+	    dfl.sa_handler = (void *)inthandler;
+	    (void)sigaction(SIGINT, &dfl, NULL);
+	}
+	if (set_quithandler) {
+	    dfl.sa_handler = (void *)quithandler;
+	    (void)sigaction(SIGQUIT,  &dfl, NULL);
+	}
 
 	dup2 (fdStdInput,  STDIN_FILENO);
 	dup2 (fdStdOutput, STDOUT_FILENO);