bus: Assign a serial number for messages from the driver
[platform/upstream/dbus.git] / dbus / dbus-threads-internal.h
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-threads-internal.h  D-Bus thread primitives
3  *
4  * Copyright (C) 2002, 2005 Red Hat Inc.
5  *
6  * Licensed under the Academic Free License version 2.1
7  * 
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  * 
18  * You should have received a copy of the GNU 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  02110-1301  USA
21  *
22  */
23 #ifndef DBUS_THREADS_INTERNAL_H
24 #define DBUS_THREADS_INTERNAL_H
25
26 #include <dbus/dbus-macros.h>
27 #include <dbus/dbus-types.h>
28 #include <dbus/dbus-threads.h>
29
30 /**
31  * @addtogroup DBusThreadsInternals
32  * @{
33  */
34
35 /**
36  * A mutex which is recursive if possible, else non-recursive.
37  * This is typically recursive, but that cannot be relied upon.
38  */
39 typedef struct DBusRMutex DBusRMutex;
40
41 /**
42  * A mutex suitable for use with condition variables.
43  * This is typically non-recursive.
44  */
45 typedef struct DBusCMutex DBusCMutex;
46
47 /** @} */
48
49 DBUS_BEGIN_DECLS
50
51 DBUS_PRIVATE_EXPORT
52 void         _dbus_rmutex_lock               (DBusRMutex       *mutex);
53 DBUS_PRIVATE_EXPORT
54 void         _dbus_rmutex_unlock             (DBusRMutex       *mutex);
55 void         _dbus_rmutex_new_at_location    (DBusRMutex      **location_p);
56 void         _dbus_rmutex_free_at_location   (DBusRMutex      **location_p);
57
58 void         _dbus_cmutex_lock               (DBusCMutex       *mutex);
59 void         _dbus_cmutex_unlock             (DBusCMutex       *mutex);
60 void         _dbus_cmutex_new_at_location    (DBusCMutex      **location_p);
61 void         _dbus_cmutex_free_at_location   (DBusCMutex      **location_p);
62
63 DBusCondVar* _dbus_condvar_new               (void);
64 void         _dbus_condvar_free              (DBusCondVar       *cond);
65 void         _dbus_condvar_wait              (DBusCondVar       *cond,
66                                               DBusCMutex        *mutex);
67 dbus_bool_t  _dbus_condvar_wait_timeout      (DBusCondVar       *cond,
68                                               DBusCMutex        *mutex,
69                                               int                timeout_milliseconds);
70 void         _dbus_condvar_wake_one          (DBusCondVar       *cond);
71 void         _dbus_condvar_new_at_location   (DBusCondVar      **location_p);
72 void         _dbus_condvar_free_at_location  (DBusCondVar      **location_p);
73
74 /* Private to threading implementations and dbus-threads.c */
75
76 DBusRMutex  *_dbus_platform_rmutex_new       (void);
77 void         _dbus_platform_rmutex_free      (DBusRMutex       *mutex);
78 void         _dbus_platform_rmutex_lock      (DBusRMutex       *mutex);
79 void         _dbus_platform_rmutex_unlock    (DBusRMutex       *mutex);
80
81 DBusCMutex  *_dbus_platform_cmutex_new       (void);
82 void         _dbus_platform_cmutex_free      (DBusCMutex       *mutex);
83 void         _dbus_platform_cmutex_lock      (DBusCMutex       *mutex);
84 void         _dbus_platform_cmutex_unlock    (DBusCMutex       *mutex);
85
86 DBusCondVar* _dbus_platform_condvar_new      (void);
87 void         _dbus_platform_condvar_free     (DBusCondVar       *cond);
88 void         _dbus_platform_condvar_wait     (DBusCondVar       *cond,
89                                               DBusCMutex        *mutex);
90 dbus_bool_t  _dbus_platform_condvar_wait_timeout (DBusCondVar   *cond,
91                                               DBusCMutex        *mutex,
92                                               int                timeout_milliseconds);
93 void         _dbus_platform_condvar_wake_one (DBusCondVar       *cond);
94
95 DBUS_END_DECLS
96
97 #endif /* DBUS_THREADS_INTERNAL_H */