From 75e2f3fddb560b88552a93ca37d8049278665b2c Mon Sep 17 00:00:00 2001
From: Jon Steinhart <jon@fourwinds.com>
Date: Wed, 20 Nov 2002 19:57:19 +0000
Subject: [PATCH] Fixed a bug in the waitpid version where it would return
 incorrectly if a child process was interrupted.

---
 sbr/pidwait.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sbr/pidwait.c b/sbr/pidwait.c
index a1555bb..1572bfe 100644
--- a/sbr/pidwait.c
+++ b/sbr/pidwait.c
@@ -11,6 +11,7 @@
 
 #include <h/mh.h>
 #include <h/signals.h>
+#include <errno.h>
 #include <signal.h>
 
 #ifdef HAVE_SYS_WAIT_H
@@ -36,7 +37,8 @@ pidwait (pid_t id, int sigsok)
     }
 
 #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;
-- 
1.7.10.4