From 8a2bfd38285c8fe3333b7fbbfe520879d5d720cf Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <millert@cvs.openbsd.org>
Date: Mon, 9 Jun 2003 20:09:11 +0000
Subject: Also exit waitpid() loop when pid == 0.  Fixes a problem where the
 sudo process would spin eating up CPU until sendmail finished when it has to
 send mail.

---
 usr.bin/sudo/logging.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'usr.bin/sudo')

diff --git a/usr.bin/sudo/logging.c b/usr.bin/sudo/logging.c
index 28068fb6e8d..9fd2e1fc6a4 100644
--- a/usr.bin/sudo/logging.c
+++ b/usr.bin/sudo/logging.c
@@ -592,10 +592,12 @@ reapchild(sig)
     int sig;
 {
     int status, serrno = errno;
-
 #ifdef sudo_waitpid
-    while (sudo_waitpid(-1, &status, WNOHANG) != -1 || errno == EINTR)
-	;
+    pid_t pid;
+
+    do {
+	pid = sudo_waitpid(-1, &status, WNOHANG);
+    } while (pid != 0 && (pid != -1 || errno == EINTR));
 #else
     (void) wait(&status);
 #endif
-- 
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