X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fpidwait.c;h=1572bfe4c3f632b234081c752b000c98805247bd;hp=4bd02e3e576669007d3963ac6e827870c12479e9;hb=389877bae1fe1a9f7259b8979f6a930744d90fab;hpb=1691e80890e5d8ba258c51c214a3e91880e1db2b

diff --git a/sbr/pidwait.c b/sbr/pidwait.c
index 4bd02e3..1572bfe 100644
--- a/sbr/pidwait.c
+++ b/sbr/pidwait.c
@@ -3,10 +3,15 @@
  * pidwait.c -- wait for child to exit
  *
  * $Id$
+ *
+ * This code is Copyright (c) 2002, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
  */
 
 #include <h/mh.h>
 #include <h/signals.h>
+#include <errno.h>
 #include <signal.h>
 
 #ifdef HAVE_SYS_WAIT_H
@@ -17,7 +22,7 @@ int
 pidwait (pid_t id, int sigsok)
 {
     pid_t pid;
-    sigset_t set, oset;
+    SIGNAL_HANDLER istat, qstat;
 
 #ifdef WAITINT
     int status;
@@ -26,23 +31,23 @@ pidwait (pid_t id, int sigsok)
 #endif
 
     if (sigsok == -1) {
-	/* block a couple of signals */
-	sigemptyset (&set);
-	sigaddset (&set, SIGINT);
-	sigaddset (&set, SIGQUIT);
-	SIGPROCMASK (SIG_BLOCK, &set, &oset);
+	/* ignore a couple of signals */
+	istat = SIGNAL (SIGINT, SIG_IGN);
+	qstat = SIGNAL (SIGQUIT, SIG_IGN);
     }
 
 #ifdef HAVE_WAITPID
-    pid = waitpid(id, &status, 0);
+    while ((pid = waitpid(id, &status, 0)) == -1 && errno == EINTR)
+	;
 #else
     while ((pid = wait(&status)) != -1 && pid != id)
 	continue;
 #endif
 
     if (sigsok == -1) {
-	/* reset the signal mask */
-	SIGPROCMASK (SIG_SETMASK, &oset, &set);
+	/* reset the signal handlers */
+	SIGNAL (SIGINT, istat);
+	SIGNAL (SIGQUIT, qstat);
     }
 
 #ifdef WAITINT