2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * This file handles locking and seaching resources
31 * Kern Sibbald, January MM
32 * Split from parse_conf.c April MMV
38 /* Each daemon has a slightly different set of
39 * resources, so it will define the following
42 extern int32_t r_first;
43 extern int32_t r_last;
44 extern RES_TABLE resources[];
45 extern RES **res_head;
47 brwlock_t res_lock; /* resource lock */
48 static int res_locked = 0; /* resource chain lock count -- for debug */
51 /* #define TRACE_RES */
53 void b_LockRes(const char *file, int line)
57 Pmsg4(000, "LockRes locked=%d w_active=%d at %s:%d\n",
58 res_locked, res_lock.w_active, file, line);
60 Pmsg2(000, "LockRes writerid=%d myid=%d\n", res_lock.writer_id,
64 if ((errstat=rwl_writelock(&res_lock)) != 0) {
65 Emsg3(M_ABORT, 0, _("rwl_writelock failure at %s:%d: ERR=%s\n"),
66 file, line, strerror(errstat));
71 void b_UnlockRes(const char *file, int line)
74 if ((errstat=rwl_writeunlock(&res_lock)) != 0) {
75 Emsg3(M_ABORT, 0, _("rwl_writeunlock failure at %s:%d:. ERR=%s\n"),
76 file, line, strerror(errstat));
80 Pmsg4(000, "UnLockRes locked=%d wactive=%d at %s:%d\n",
81 res_locked, res_lock.w_active, file, line);
86 * Return resource of type rcode that matches name
89 GetResWithName(int rcode, const char *name)
92 int rindex = rcode - r_first;
95 res = res_head[rindex];
97 if (strcmp(res->name, name) == 0) {
108 * Return next resource of type rcode. On first
109 * call second arg (res) is NULL, on subsequent
110 * calls, it is called with previous value.
113 GetNextRes(int rcode, RES *res)
116 int rindex = rcode - r_first;
119 nres = res_head[rindex];