# [PATCH] daemon: ignore ENOTSOCK from setsockopt

1 messages from 2016-07-18 to 2016-07-18. Participants: Eric Wong.
Thread: https://gitlist.dev/t/42869

## Eric Wong, 2016-07-18 04:59

Subject: [PATCH] daemon: ignore ENOTSOCK from setsockopt
Message-ID: <20160718045911.GA7227@starla>
URL: https://gitlist.dev/e/20160718045911.GA7227%40starla

```
In inetd mode, we are not guaranteed stdin or stdout is a
socket; callers could filter the data through a pipe
or be testing with regular files.

This prevents t5802 from polluting syslog.

Signed-off-by: Eric Wong <e@80x24.org>
---
 daemon.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/daemon.c b/daemon.c
index 46dddac..a844951 100644
--- a/daemon.c
+++ b/daemon.c
@@ -673,9 +673,11 @@ static void set_keep_alive(int sockfd)
 {
 	int ka = 1;
 
-	if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &ka, sizeof(ka)) < 0)
-		logerror("unable to set SO_KEEPALIVE on socket: %s",
-			strerror(errno));
+	if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &ka, sizeof(ka)) < 0) {
+		if (errno != ENOTSOCK)
+			logerror("unable to set SO_KEEPALIVE on socket: %s",
+				strerror(errno));
+	}
 }
 
 static int execute(void)
-- 
EW

```