From: Alan T. DeKok <aland@freeradius.org>
Date: Mon, 26 Sep 2016 12:08:04 +0000 (-0400)
Subject: added F_CLOSEM, which might work, too
X-Git-Tag: release_3_0_12~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dd16100963712388039998a85bc66957112f2b2;p=thirdparty%2Ffreeradius-server.git

added F_CLOSEM, which might work, too
---

diff --git a/src/lib/misc.c b/src/lib/misc.c
index be630668d36..de2b50fa971 100644
--- a/src/lib/misc.c
+++ b/src/lib/misc.c
@@ -1360,6 +1360,12 @@ int closefrom(int fd)
 	int i;
 	int maxfd = 256;
 
+#ifdef F_CLOSEM
+	if (fcntl(fd, F_CLOSEM) == 0) {
+		return 0;
+	}
+#endif
+
 #ifdef _SC_OPEN_MAX
 	maxfd = sysconf(_SC_OPEN_MAX);
 	if (maxfd < 0) {
@@ -1371,8 +1377,6 @@ int closefrom(int fd)
 
 	/*
 	 *	FIXME: return EINTR?
-	 *
-	 *	Use F_CLOSEM?
 	 */
 	for (i = fd; i < maxfd; i++) {
 		close(i);