4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include <semaphore.h>
27 #include "bctrace.inc"
29 class Sema : public trace_info
32 Sema(int init_value = 1, const char *title = 0);
35 void lock(const char *location = 0);
54 #include <sys/types.h>
57 int val; /* used for SETVAL only */
58 struct semid_ds *buf; /* for IPC_STAT and IPC_SET */
59 ushort *array; /* used for GETALL and SETALL */
65 Sema(int id = -1, int number = 1);
68 int lock(int number = 0);
69 int unlock(int number = 0);
70 int get_value(int number = 0);