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-rw-r--r--sockutil.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/sockutil.c b/sockutil.c
index 073685e..a571d64 100644
--- a/sockutil.c
+++ b/sockutil.c
@@ -7,6 +7,7 @@
#include <syslog.h>
#include <stdlib.h>
#include <unistd.h>
+#include <fcntl.h>
#include "qarsh_packet.h"
@@ -73,6 +74,7 @@ connect_to_peer(struct sockaddr_in *peer, int port)
{
struct sockaddr_in in_peer;
int sd;
+ int fdflags;
in_peer.sin_family = AF_INET;
in_peer.sin_port = htons(port);
@@ -80,6 +82,17 @@ connect_to_peer(struct sockaddr_in *peer, int port)
sd = socket(PF_INET, SOCK_STREAM, 0);
if (sd == -1) return -1;
+
+ /* Set close-on-exec for these sds */
+ if ((fdflags = fcntl(sd, F_GETFD, 0)) < 0) {
+ return -1;
+ }
+
+ fdflags |= FD_CLOEXEC;
+ if (fcntl(sd, F_SETFD, fdflags) < 0) {
+ return -1;
+ }
+
if (connect(sd, (struct sockaddr *)&in_peer, sizeof in_peer) == -1) {
return -1;
}