1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2  * Copyright by The HDF Group.                                               *
3  * Copyright by the Board of Trustees of the University of Illinois.         *
4  * All rights reserved.                                                      *
5  *                                                                           *
6  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
7  * terms governing use, modification, and redistribution, is contained in    *
8  * the COPYING file, which can be found at the root of the source code       *
9  * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
10  * If you do not have access to either file, you may request a copy from     *
11  * help@hdfgroup.org.                                                        *
12  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
13 
14 /*-------------------------------------------------------------------------
15  *
16  * Created:		H5TSprivate.h
17  *			May 2 2000
18  *			Chee Wai LEE
19  *
20  * Purpose:		Private non-prototype header.
21  *
22  * Modifications:
23  *
24  *-------------------------------------------------------------------------
25  */
26 #ifndef H5TSprivate_H_
27 #define H5TSprivate_H_
28 
29 /* Public headers needed by this file */
30 #ifdef LATER
31 #include "H5TSpublic.h"		/*Public API prototypes */
32 #endif /* LATER */
33 
34 #ifdef H5_HAVE_WIN_THREADS
35 
36 /* Library level data structures */
37 
38 /* Mutexes, Threads, and Attributes */
39 typedef struct H5TS_mutex_struct {
40 	CRITICAL_SECTION CriticalSection;
41 } H5TS_mutex_t;
42 typedef CRITICAL_SECTION H5TS_mutex_simple_t;
43 typedef HANDLE H5TS_thread_t;
44 typedef HANDLE H5TS_attr_t;
45 typedef DWORD H5TS_key_t;
46 typedef INIT_ONCE H5TS_once_t;
47 
48 /* Defines */
49 /* not used on windows side, but need to be defined to something */
50 #define H5TS_SCOPE_SYSTEM 0
51 #define H5TS_SCOPE_PROCESS 0
52 #define H5TS_CALL_CONV WINAPI
53 
54 /* Functions */
55 #define H5TS_get_thread_local_value(key)	TlsGetValue( key )
56 #define H5TS_set_thread_local_value(key, value)	TlsSetValue( key, value )
57 #define H5TS_attr_init(attr_ptr) 0
58 #define H5TS_attr_setscope(attr_ptr, scope) 0
59 #define H5TS_attr_destroy(attr_ptr) 0
60 #define H5TS_wait_for_thread(thread) WaitForSingleObject(thread, INFINITE)
61 #define H5TS_mutex_init(mutex) InitializeCriticalSection(mutex)
62 #define H5TS_mutex_lock_simple(mutex) EnterCriticalSection(mutex)
63 #define H5TS_mutex_unlock_simple(mutex) LeaveCriticalSection(mutex)
64 
65 /* Functions called from DllMain */
66 H5_DLL BOOL CALLBACK H5TS_win32_process_enter(PINIT_ONCE InitOnce, PVOID Parameter, PVOID *lpContex);
67 H5_DLL void H5TS_win32_process_exit(void);
68 H5_DLL herr_t H5TS_win32_thread_enter(void);
69 H5_DLL herr_t H5TS_win32_thread_exit(void);
70 
71 
72 
73 #else /* H5_HAVE_WIN_THREADS */
74 
75 /* Library level data structures */
76 
77 /* Mutexes, Threads, and Attributes */
78 typedef struct H5TS_mutex_struct {
79     pthread_t owner_thread;		/* current lock owner */
80     pthread_mutex_t atomic_lock;	/* lock for atomicity of new mechanism */
81     pthread_cond_t cond_var;		/* condition variable */
82     unsigned int lock_count;
83 } H5TS_mutex_t;
84 typedef pthread_t      H5TS_thread_t;
85 typedef pthread_attr_t H5TS_attr_t;
86 typedef pthread_mutex_t H5TS_mutex_simple_t;
87 typedef pthread_key_t  H5TS_key_t;
88 typedef pthread_once_t H5TS_once_t;
89 
90 /* Scope Definitions */
91 #define H5TS_SCOPE_SYSTEM PTHREAD_SCOPE_SYSTEM
92 #define H5TS_SCOPE_PROCESS PTHREAD_SCOPE_PROCESS
93 #define H5TS_CALL_CONV /* unused - Windows only */
94 
95 /* Functions */
96 #define H5TS_get_thread_local_value(key)	pthread_getspecific( key )
97 #define H5TS_set_thread_local_value(key, value)	pthread_setspecific( key, value )
98 #define H5TS_attr_init(attr_ptr) pthread_attr_init((attr_ptr))
99 #define H5TS_attr_setscope(attr_ptr, scope) pthread_attr_setscope(attr_ptr, scope)
100 #define H5TS_attr_destroy(attr_ptr) pthread_attr_destroy(attr_ptr)
101 #define H5TS_wait_for_thread(thread) pthread_join(thread, NULL)
102 #define H5TS_mutex_init(mutex) pthread_mutex_init(mutex, NULL)
103 #define H5TS_mutex_lock_simple(mutex) pthread_mutex_lock(mutex)
104 #define H5TS_mutex_unlock_simple(mutex) pthread_mutex_unlock(mutex)
105 
106 #endif /* H5_HAVE_WIN_THREADS */
107 
108 /* External global variables */
109 extern H5TS_once_t H5TS_first_init_g;
110 extern H5TS_key_t H5TS_errstk_key_g;
111 extern H5TS_key_t H5TS_funcstk_key_g;
112 
113 #if defined c_plusplus || defined __cplusplus
114 extern      "C"
115 {
116 #endif	/* c_plusplus || __cplusplus */
117 
118 H5_DLL void   H5TS_pthread_first_thread_init(void);
119 H5_DLL herr_t H5TS_mutex_lock(H5TS_mutex_t *mutex);
120 H5_DLL herr_t H5TS_mutex_unlock(H5TS_mutex_t *mutex);
121 H5_DLL herr_t H5TS_cancel_count_inc(void);
122 H5_DLL herr_t H5TS_cancel_count_dec(void);
123 H5_DLL H5TS_thread_t H5TS_create_thread(void *(*func)(void *), H5TS_attr_t * attr, void *udata);
124 
125 #if defined c_plusplus || defined __cplusplus
126 }
127 #endif	/* c_plusplus || __cplusplus */
128 
129 #endif	/* H5TSprivate_H_ */
130