X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/31593dd6106cfef78fc88cbe9c831a51f00a4aa6..4abe379c053f78a4f16ab80afa75a0f9be3b319b:/connection.c

diff --git a/connection.c b/connection.c
index 1025c8fc..2bb0ae2e 100644
--- a/connection.c
+++ b/connection.c
@@ -1,24 +1,23 @@
-/* 
-   Copyright (C) Andrew Tridgell 1998
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* support the max connections option */
-#include "rsync.h"
+/*
+ * Support the max connections option.
+ *
+ * Copyright (C) 1998 Andrew Tridgell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
+ */
 
+#include "rsync.h"
 
 /****************************************************************************
 simple routine to do connection counting
@@ -29,7 +28,7 @@ int claim_connection(char *fname,int max_connections)
 
 	if (max_connections <= 0)
 		return 1;
-	
+
 	fd = open(fname,O_RDWR|O_CREAT, 0600);
 
 	if (fd == -1) {
@@ -39,7 +38,10 @@ int claim_connection(char *fname,int max_connections)
 	/* find a free spot */
 	for (i=0;i<max_connections;i++) {
 		if (lock_range(fd, i*4, 4)) return 1;
-	}		
+	}
+
+	/* only interested in open failures */
+	errno = 0;
 
 	close(fd);
 	return 0;