Merge branch 'cn/maint-rev-list-doc' into maint-1.7.8

[git.git] / connect.c

diff --git a/connect.c b/connect.c
index 2a0a0401af6e070125f1ae6d97004f4036af35f6..c8d0ea5d75e89a6b15b62e7057e97947036e11ea 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -151,6 +151,15 @@ static void get_host_and_port(char **host, const char **port)
        }
 }
 
+static void enable_keepalive(int sockfd)
+{
+       int ka = 1;
+
+       if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &ka, sizeof(ka)) < 0)
+               fprintf(stderr, "unable to set SO_KEEPALIVE on socket: %s\n",
+                       strerror(errno));
+}
+
 #ifndef NO_IPV6
 
 static const char *ai_name(const struct addrinfo *ai)
@@ -215,6 +224,8 @@ static int git_tcp_connect_sock(char *host, int flags)
        if (sockfd < 0)
                die("unable to connect to %s:\n%s", host, error_message.buf);
 
+       enable_keepalive(sockfd);
+
        if (flags & CONNECT_VERBOSE)
                fprintf(stderr, "done.\n");
 
@@ -288,6 +299,8 @@ static int git_tcp_connect_sock(char *host, int flags)
        if (sockfd < 0)
                die("unable to connect to %s:\n%s", host, error_message.buf);
 
+       enable_keepalive(sockfd);
+
        if (flags & CONNECT_VERBOSE)
                fprintf(stderr, "done.\n");