1 #ifndef CC_MUTEXP_H
2 #define CC_MUTEXP_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * Neither the name of the copyright holder nor the names of its
20  * contributors may be used to endorse or promote products derived from
21  * this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 \**************************************************************************/
35 
36 #ifndef COIN_INTERNAL
37 #error this is a private header file
38 #endif /* ! COIN_INTERNAL */
39 
40 #ifdef HAVE_CONFIG_H
41 #include <config.h>
42 #endif /* HAVE_CONFIG_H */
43 
44 #define NO_IMPLEMENTATION
45 #ifdef USE_PTHREAD
46 #include <pthread.h>
47 #undef NO_IMPLEMENTATION
48 #endif /* USE_PTHREAD */
49 
50 #ifdef USE_W32THREAD
51 #include <windows.h>
52 #undef NO_IMPLEMENTATION
53 #endif /* USE_W32THREAD */
54 
55 #ifdef __cplusplus
56 extern "C" {
57 #endif /* __cplusplus */
58 
59 /* ********************************************************************** */
60 
61 struct cc_mutex {
62 #ifdef USE_PTHREAD
63   struct cc_pthread_mutex_data {
64     pthread_mutex_t mutexid;
65   } pthread;
66 #endif /* USE_PTHREAD */
67 #ifdef USE_W32THREAD
68   union cc_w32thread_mutex_data {
69     HANDLE mutexhandle;
70     CRITICAL_SECTION critical_section;
71   } w32thread;
72 #endif /* USE_W32THREAD */
73 };
74 
75 #ifdef NO_IMPLEMENTATION
76 #error missing threads implementation support
77 #endif /* ! NO_IMPLEMENTATION */
78 
79 /* ********************************************************************** */
80 
81 void cc_mutex_init(void);
82 void cc_mutex_global_lock(void);
83 void cc_mutex_global_unlock(void);
84 void cc_mutex_struct_init(cc_mutex * mutex_struct);
85 void cc_mutex_struct_clean(cc_mutex * mutex_struct);
86 
87 /* ********************************************************************** */
88 
89 #ifdef __cplusplus
90 } /* extern "C" */
91 #endif /* __cplusplus */
92 
93 #endif /* ! CC_MUTEXP_H */
94