2 * Support the max connections option.
4 * Copyright (C) 1998 Andrew Tridgell
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
22 /****************************************************************************
23 simple routine to do connection counting
24 ****************************************************************************/
25 int claim_connection(char *fname,int max_connections)
29 if (max_connections <= 0)
32 fd = open(fname,O_RDWR|O_CREAT, 0600);
38 /* find a free spot */
39 for (i=0;i<max_connections;i++) {
40 if (lock_range(fd, i*4, 4)) return 1;
43 /* only interested in open failures */