sscall

commit e5e61a193befc357b9bbb03aa9dcdf80300502b9
parent 63f8274ade6dc6a87039d1eb075c20562cff569e
Author: sin <sin@2f30.org>
Date:   Tue,  5 Jun 2012 15:42:47 +0100

sscall: Set SO_REUSEADDR to avoid issues with bind()


Diffstat:
M
sscall.c
 | 
9
+++++++++

1 file changed, 9 insertions(+), 0 deletions(-)
diff --git a/sscall.c b/sscall.c
@@ -236,6 +236,7 @@ main(int argc, char *argv[])
 	char *prog;
 	int c;
 	char host[NI_MAXHOST];
+	int optval;
 
 	prog = *argv;
 	while ((c = getopt(argc, argv, "hb:c:r:d:v")) != -1) {
@@ -338,6 +339,14 @@ main(int argc, char *argv[])
 				    p1->ai_protocol);
 		if (srv_sockfd < 0)
 			continue;
+		optval = 1;
+		ret = setsockopt(srv_sockfd, SOL_SOCKET,
+				 SO_REUSEADDR, &optval, sizeof(optval));
+		if (ret < 0) {
+			close(srv_sockfd);
+			warn("setsockopt");
+			continue;
+		}
 		if (bind(srv_sockfd, p1->ai_addr, p1->ai_addrlen) < 0) {
 			close(srv_sockfd);
 			warn("bind");