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-rw-r--r--connect.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/connect.c b/connect.c
index 2a0a040..c8d0ea5 100644
--- 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");