From: Jens Axboe <axboe@suse.de>
Date: Thu, 20 Oct 2005 07:52:32 +0000 (-0700)
Subject: git-daemon poll() spinning out of control
X-Git-Tag: v0.99.9~78
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=7872e0556746c70e49c5558d271d35b1fbfb1680;p=git.git

git-daemon poll() spinning out of control

With the '0' timeout given to poll, it returns instantly without any
events on my system, causing git-daemon to consume all the CPU time. Use
-1 as the timeout so poll() only returns in case of EINTR or actually
events being available.

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
---

diff --git a/daemon.c b/daemon.c
index c3381b34..b3bcd7a6 100644
--- a/daemon.c
+++ b/daemon.c
@@ -533,7 +533,7 @@ static int service_loop(int socknum, int *socklist)
 	for (;;) {
 		int i;
 
-		if (poll(pfd, socknum, 0) < 0) {
+		if (poll(pfd, socknum, -1) < 0) {
 			if (errno != EINTR) {
 				error("poll failed, resuming: %s",
 				      strerror(errno));