X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/6c42153ad9362cc676ea66563bf400d7511b3b68..debab7aa60964cf984342de9ab68e84308f50d2b:/sbr/pidwait.c?ds=inline

diff --git a/sbr/pidwait.c b/sbr/pidwait.c
index a1555bbe..a6dc27f9 100644
--- a/sbr/pidwait.c
+++ b/sbr/pidwait.c
@@ -2,8 +2,6 @@
 /*
  * 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.
@@ -11,23 +9,14 @@
 
 #include <h/mh.h>
 #include <h/signals.h>
-#include <signal.h>
-
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
 
 int
 pidwait (pid_t id, int sigsok)
 {
     pid_t pid;
-    SIGNAL_HANDLER istat, qstat;
+    SIGNAL_HANDLER istat = NULL, qstat = NULL;
 
-#ifdef WAITINT
     int status;
-#else
-    union wait status;
-#endif
 
     if (sigsok == -1) {
 	/* ignore a couple of signals */
@@ -35,12 +24,8 @@ pidwait (pid_t id, int sigsok)
 	qstat = SIGNAL (SIGQUIT, SIG_IGN);
     }
 
-#ifdef HAVE_WAITPID
-    pid = waitpid(id, &status, 0);
-#else
-    while ((pid = wait(&status)) != -1 && pid != id)
-	continue;
-#endif
+    while ((pid = waitpid(id, &status, 0)) == -1 && errno == EINTR)
+	;
 
     if (sigsok == -1) {
 	/* reset the signal handlers */
@@ -48,9 +33,5 @@ pidwait (pid_t id, int sigsok)
 	SIGNAL (SIGQUIT, qstat);
     }
 
-#ifdef WAITINT
     return (pid == -1 ? -1 : status);
-#else
-    return (pid == -1 ? -1 : status.w_status);
-#endif
 }