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Contents of /libspopc.c

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Revision 2 - (show annotations)
Thu Oct 8 15:37:49 2009 UTC (11 years, 3 months ago) by ben
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1 /* this is libspopc.c file, part of the libspopc library sources
2 * copyright © 2002- Benoit Rouits <brouits@free.fr>
3 * released under the terms of the GNU Lesser General Public Licence.
4 *
5 * libspopc offers simple API for a pop3 client.
6 * See RFC 1725 for pop3 specifications.
7 * more information on http://herewe.servebeer.com/libspopc/
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #ifdef _REENTRANT
25
26 #include "libspopc.h"
27 #include "mutex.h"
28
29 static int LIBSPOPC_UP = 0;
30
31 /* all mutexes are defined here */
32 mutex GETHOSTBYNAME;
33
34 /* ALL THESE FUNCTIONS MUST BE CALLED ONCE AT A TIME */
35
36 /* initialize libspopc, mainly for thread safety */
37 int libspopc_init(void)
38 {
39 if (!LIBSPOPC_UP)
40 {
41 /* initialize all mutexes */
42 mutex_init(&GETHOSTBYNAME);
43 }
44 LIBSPOPC_UP = 1;
45 return 0; /* FIXME */
46 }
47
48 /* clean libspopc, thus re-initable by libspopc_init() */
49 int libspopc_clean(void)
50 {
51 if(LIBSPOPC_UP)
52 {
53 /* clean all mutexes */
54 mutex_clean(&GETHOSTBYNAME);
55 }
56 LIBSPOPC_UP = 0;
57 return 0; /* FIXME */
58 }
59
60 #else /* non-reentrant */
61
62 int libspopc_init(void)
63 {
64 return 0;
65 }
66
67 int libspopc_clean(void)
68 {
69 return 0;
70 }
71
72 #endif

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