dovecot: waitpid() fix

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot/rev/5cf1c1ae7dd8
changeset: 6230:5cf1c1ae7dd8
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Aug 07 15:09:26 2007 +0300
description:
waitpid() fix

diffstat:

1 file changed, 3 insertions(+), 3 deletions(-)
src/auth/mech-winbind.c |    6 +++---

diffs (20 lines):

diff -r ad1b948c5fa2 -r 5cf1c1ae7dd8 src/auth/mech-winbind.c
--- a/src/auth/mech-winbind.c	Tue Aug 07 14:54:55 2007 +0300
+++ b/src/auth/mech-winbind.c	Tue Aug 07 15:09:26 2007 +0300
@@ -62,13 +62,13 @@ static void winbind_helper_disconnect(st
 
 static void winbind_wait_pid(struct winbind_helper *winbind)
 {
-	int status;
+	int status, ret;
 
 	if (winbind->pid == -1)
 		return;
 
-	if (waitpid(winbind->pid, &status, WNOHANG) == -1) {
-		if (errno != ECHILD && errno != EINTR)
+	if ((ret = waitpid(winbind->pid, &status, WNOHANG)) <= 0) {
+		if (ret < 0 && errno != ECHILD && errno != EINTR)
 			i_error("waitpid() failed: %m");
 		return;
 	}