From: Russell Bryant <russell@russellbryant.com>
Date: Thu, 18 Nov 2004 04:20:25 +0000 (+0000)
Subject: check to see if FD's are open before closing (bug #2858)
X-Git-Tag: 1.0.11.1~374
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4470352ff7bc10b6e2e6e1e7626cbdfe8539044;p=thirdparty%2Fasterisk.git

check to see if FD's are open before closing (bug #2858)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4289 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/res/res_musiconhold.c b/res/res_musiconhold.c
index 2dc39a5c65..e3808da624 100755
--- a/res/res_musiconhold.c
+++ b/res/res_musiconhold.c
@@ -224,8 +224,11 @@ static int spawn_mp3(struct mohclass *class)
 		/* Stdout goes to pipe */
 		dup2(fds[1], STDOUT_FILENO);
 		/* Close unused file descriptors */
-		for (x=3;x<8192;x++)
-			close(x);
+		for (x=3;x<8192;x++) {
+			if (-1 != fcntl(x, F_GETFL)) {
+				close(x);
+			}
+		}
 		/* Child */
 		chdir(class->dir);
 		if(class->custom) {