diff to backoff a little running out of fds

[Loganaden Velvindron]

Based on similar work done by OpenBSD for sshd,

I came up with this:
The idea is to prevent spinning when out of file descriptors by
backing off for a while.

Suggestions ?


diff -r 63f8d6c469cf svr-main.c
--- a/svr-main.c	Thu May 17 00:26:12 2012 +0800
+++ b/svr-main.c	Sat Dec 08 03:48:40 2012 +0400
@@ -226,9 +226,10 @@
 			remoteaddrlen = sizeof(remoteaddr);
 			childsock = accept(listensocks[i],
 					(struct sockaddr*)&remoteaddr, &remoteaddrlen);
-
 			if (childsock < 0) {
 				/* accept failed */
+				if(errno == EMFILE || errno == ENFILE)
+					usleep(100*1000);
 				continue;
 			}

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