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Commit 29b7f809 29b7f809ef65fabed523a89e8df57840362523ce by Alain Magloire
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simple thread-safe implementation of refcount.

1 parent aee5de3e
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Showing 2 changed files with 45 additions and 0 deletions
1 /* GNU mailutils - a suite of utilities for electronic mail
2 Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with this library; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17
18 #ifndef _MAILUTILS_REFCOUNT_H
19 #define _MAILUTILS_REFCOUNT_H
20
21 #include <mailutils/types.h>
22
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26
27 /* FIXME: Declaration should be hidden in mailutils/sys/refcount.h */
28 struct _mu_refcount
29 {
30 unsigned int ref;
31 monitor_t lock;
32 };
33
34 extern int mu_refcount_create __P ((mu_refcount_t *));
35 extern void mu_refcount_destroy __P ((mu_refcount_t *));
36 extern int mu_refcount_inc __P ((mu_refcount_t));
37 extern int mu_refcount_dec __P ((mu_refcount_t));
38
39 #ifdef __cplusplus
40 }
41 #endif
42
43 #endif /* _MAILUTILS_REFCOUNT_H */
...@@ -59,6 +59,7 @@ struct _message; ...@@ -59,6 +59,7 @@ struct _message;
59 struct _mime; 59 struct _mime;
60 struct _mu_mailcap; 60 struct _mu_mailcap;
61 struct _mu_mailcap_entry; 61 struct _mu_mailcap_entry;
62 struct _mu_refcount;
62 struct _observable; 63 struct _observable;
63 struct _observer; 64 struct _observer;
64 struct _property; 65 struct _property;
...@@ -87,6 +88,7 @@ typedef struct _message *message_t; ...@@ -87,6 +88,7 @@ typedef struct _message *message_t;
87 typedef struct _mime *mime_t; 88 typedef struct _mime *mime_t;
88 typedef struct _mu_mailcap *mu_mailcap_t; 89 typedef struct _mu_mailcap *mu_mailcap_t;
89 typedef struct _mu_mailcap_entry *mu_mailcap_entry_t; 90 typedef struct _mu_mailcap_entry *mu_mailcap_entry_t;
91 typedef struct _mu_refcount *mu_refcount_t;
90 typedef struct _observable *observable_t; 92 typedef struct _observable *observable_t;
91 typedef struct _observer *observer_t; 93 typedef struct _observer *observer_t;
92 typedef struct _property *property_t; 94 typedef struct _property *property_t;
......