[dovecot-cvs] dovecot/src/lib ioloop-notify-dn.c,1.15,1.15.2.1

[cras at dovecot.org]

Update of /var/lib/cvs/dovecot/src/lib
In directory talvi:/tmp/cvs-serv7755

Modified Files:
      Tag: branch_1_0
	ioloop-notify-dn.c 
Log Message:
Silently disable dnotify if kernel doesn't support RT signals, instead of
just dying.



Index: ioloop-notify-dn.c
===================================================================
RCS file: /var/lib/cvs/dovecot/src/lib/ioloop-notify-dn.c,v
retrieving revision 1.15
retrieving revision 1.15.2.1
diff -u -d -r1.15 -r1.15.2.1
--- ioloop-notify-dn.c	9 Apr 2006 19:37:29 -0000	1.15
+++ ioloop-notify-dn.c	10 Aug 2006 15:54:23 -0000	1.15.2.1
@@ -161,8 +161,15 @@
 		sigemptyset(&act.sa_mask);
 		act.sa_flags = SA_SIGINFO | SA_RESTART | SA_NODEFER;
 
-		if (sigaction(SIGRTMIN, &act, NULL) < 0)
-			i_fatal("sigaction(SIGRTMIN) failed: %m");
+		if (sigaction(SIGRTMIN, &act, NULL) < 0) {
+			if (errno == EINVAL) {
+				/* kernel is too old to understand even RT
+				   signals, so there's no way dnotify works */
+				ctx->disabled = TRUE;
+			} else {
+				i_fatal("sigaction(SIGRTMIN) failed: %m");
+			}
+		}
 	}
 }