1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
|
/* ldap_int_thread.h - ldap internal thread wrappers header file */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2018 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
LDAP_BEGIN_DECL
/* Can be done twice in libldap_r. See libldap_r/ldap_thr_debug.h. */
LDAP_F(int) ldap_int_thread_initialize LDAP_P(( void ));
LDAP_F(int) ldap_int_thread_destroy LDAP_P(( void ));
LDAP_END_DECL
#ifndef _LDAP_INT_THREAD_H
#define _LDAP_INT_THREAD_H
#if defined( HAVE_PTHREADS )
/**********************************
* *
* definitions for POSIX Threads *
* *
**********************************/
#include <pthread.h>
#ifdef HAVE_SCHED_H
#include <sched.h>
#endif
LDAP_BEGIN_DECL
typedef pthread_t ldap_int_thread_t;
typedef pthread_mutex_t ldap_int_thread_mutex_t;
typedef pthread_cond_t ldap_int_thread_cond_t;
typedef pthread_key_t ldap_int_thread_key_t;
#define ldap_int_thread_equal(a, b) pthread_equal((a), (b))
#if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
defined( _POSIX_THREADSAFE_FUNCTIONS )
#define HAVE_REENTRANT_FUNCTIONS 1
#endif
#if defined( HAVE_PTHREAD_GETCONCURRENCY ) || \
defined( HAVE_THR_GETCONCURRENCY )
#define LDAP_THREAD_HAVE_GETCONCURRENCY 1
#endif
#if defined( HAVE_PTHREAD_SETCONCURRENCY ) || \
defined( HAVE_THR_SETCONCURRENCY )
#define LDAP_THREAD_HAVE_SETCONCURRENCY 1
#endif
#if defined( HAVE_PTHREAD_RWLOCK_DESTROY )
#define LDAP_THREAD_HAVE_RDWR 1
typedef pthread_rwlock_t ldap_int_thread_rdwr_t;
#endif
#ifndef LDAP_INT_MUTEX_NULL
#define LDAP_INT_MUTEX_NULL PTHREAD_MUTEX_INITIALIZER
#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
LDAP_END_DECL
#elif defined ( HAVE_MACH_CTHREADS )
/**********************************
* *
* definitions for Mach CThreads *
* *
**********************************/
#if defined( HAVE_MACH_CTHREADS_H )
# include <mach/cthreads.h>
#elif defined( HAVE_CTHREADS_H )
# include <cthreads.h>
#endif
LDAP_BEGIN_DECL
typedef cthread_t ldap_int_thread_t;
typedef struct mutex ldap_int_thread_mutex_t;
typedef struct condition ldap_int_thread_cond_t;
typedef cthread_key_t ldap_int_thread_key_t;
#ifndef LDAP_INT_MUTEX_NULL
#define LDAP_INT_MUTEX_NULL MUTEX_INITIALIZER
#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
LDAP_END_DECL
#elif defined( HAVE_GNU_PTH )
/***********************************
* *
* thread definitions for GNU Pth *
* *
***********************************/
#define PTH_SYSCALL_SOFT 1
#include <pth.h>
LDAP_BEGIN_DECL
typedef pth_t ldap_int_thread_t;
typedef pth_mutex_t ldap_int_thread_mutex_t;
typedef pth_cond_t ldap_int_thread_cond_t;
typedef pth_key_t ldap_int_thread_key_t;
#if 0
#define LDAP_THREAD_HAVE_RDWR 1
typedef pth_rwlock_t ldap_int_thread_rdwr_t;
#endif
#ifndef LDAP_INT_MUTEX_NULL
#define LDAP_INT_MUTEX_NULL PTH_MUTEX_INIT
#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
LDAP_END_DECL
#elif defined( HAVE_THR )
/********************************************
* *
* thread definitions for Solaris LWP (THR) *
* *
********************************************/
#include <thread.h>
#include <synch.h>
LDAP_BEGIN_DECL
typedef thread_t ldap_int_thread_t;
typedef mutex_t ldap_int_thread_mutex_t;
typedef cond_t ldap_int_thread_cond_t;
typedef thread_key_t ldap_int_thread_key_t;
#define HAVE_REENTRANT_FUNCTIONS 1
#ifdef HAVE_THR_GETCONCURRENCY
#define LDAP_THREAD_HAVE_GETCONCURRENCY 1
#endif
#ifdef HAVE_THR_SETCONCURRENCY
#define LDAP_THREAD_HAVE_SETCONCURRENCY 1
#endif
#ifndef LDAP_INT_MUTEX_NULL
#define LDAP_INT_MUTEX_NULL DEFAULTMUTEX
#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
#elif defined(HAVE_NT_THREADS)
/*************************************
* *
* thread definitions for NT threads *
* *
*************************************/
#include <process.h>
#include <windows.h>
LDAP_BEGIN_DECL
typedef unsigned long ldap_int_thread_t;
typedef HANDLE ldap_int_thread_mutex_t;
typedef HANDLE ldap_int_thread_cond_t;
typedef DWORD ldap_int_thread_key_t;
#ifndef LDAP_INT_MUTEX_NULL
#define LDAP_INT_MUTEX_NULL ((HANDLE)0)
#define LDAP_INT_MUTEX_FIRSTCREATE(m) \
((void) ((m) || ldap_pvt_thread_mutex_init(&(m))))
#endif
LDAP_END_DECL
#else
/***********************************
* *
* thread definitions for no *
* underlying library support *
* *
***********************************/
#ifndef NO_THREADS
#define NO_THREADS 1
#endif
LDAP_BEGIN_DECL
typedef int ldap_int_thread_t;
typedef int ldap_int_thread_mutex_t;
typedef int ldap_int_thread_cond_t;
typedef int ldap_int_thread_key_t;
#define LDAP_THREAD_HAVE_TPOOL 1
typedef int ldap_int_thread_pool_t;
#ifndef LDAP_INT_MUTEX_NULL
#define LDAP_INT_MUTEX_NULL 0
#define LDAP_INT_MUTEX_FIRSTCREATE(m) ((void) 0)
#endif
LDAP_END_DECL
#endif /* no threads support */
LDAP_BEGIN_DECL
#ifndef ldap_int_thread_equal
#define ldap_int_thread_equal(a, b) ((a) == (b))
#endif
#ifndef LDAP_THREAD_HAVE_RDWR
typedef struct ldap_int_thread_rdwr_s * ldap_int_thread_rdwr_t;
#endif
LDAP_F(int) ldap_int_thread_pool_startup ( void );
LDAP_F(int) ldap_int_thread_pool_shutdown ( void );
#ifndef LDAP_THREAD_HAVE_TPOOL
typedef struct ldap_int_thread_pool_s * ldap_int_thread_pool_t;
#endif
typedef struct ldap_int_thread_rmutex_s * ldap_int_thread_rmutex_t;
LDAP_END_DECL
#if defined(LDAP_THREAD_DEBUG) && !((LDAP_THREAD_DEBUG +0) & 2U)
#define LDAP_THREAD_DEBUG_WRAP 1
#endif
#ifdef LDAP_THREAD_DEBUG_WRAP
/**************************************
* *
* definitions for type-wrapped debug *
* *
**************************************/
LDAP_BEGIN_DECL
#ifndef LDAP_UINTPTR_T /* May be configured in CPPFLAGS */
#define LDAP_UINTPTR_T unsigned long
#endif
typedef enum {
ldap_debug_magic = -(int) (((unsigned)-1)/19)
} ldap_debug_magic_t;
typedef enum {
/* Could fill in "locked" etc here later */
ldap_debug_state_inited = (int) (((unsigned)-1)/11),
ldap_debug_state_destroyed
} ldap_debug_state_t;
typedef struct {
/* Enclosed in magic numbers in the hope of catching overwrites */
ldap_debug_magic_t magic; /* bit pattern to recognize usages */
LDAP_UINTPTR_T self; /* ~(LDAP_UINTPTR_T)&(this struct) */
union ldap_debug_mem_u { /* Dummy memory reference */
unsigned char *ptr;
LDAP_UINTPTR_T num;
} mem;
ldap_debug_state_t state; /* doubles as another magic number */
} ldap_debug_usage_info_t;
typedef struct {
ldap_int_thread_mutex_t wrapped;
ldap_debug_usage_info_t usage;
ldap_int_thread_t owner;
} ldap_debug_thread_mutex_t;
#define LDAP_DEBUG_MUTEX_NULL {LDAP_INT_MUTEX_NULL, {0,0,{0},0} /*,owner*/}
#define LDAP_DEBUG_MUTEX_FIRSTCREATE(m) \
((void) ((m).usage.state || ldap_pvt_thread_mutex_init(&(m))))
typedef struct {
ldap_int_thread_cond_t wrapped;
ldap_debug_usage_info_t usage;
} ldap_debug_thread_cond_t;
typedef struct {
ldap_int_thread_rdwr_t wrapped;
ldap_debug_usage_info_t usage;
} ldap_debug_thread_rdwr_t;
#ifndef NDEBUG
#define LDAP_INT_THREAD_ASSERT_MUTEX_OWNER(mutex) \
ldap_debug_thread_assert_mutex_owner( \
__FILE__, __LINE__, "owns(" #mutex ")", mutex )
LDAP_F(void) ldap_debug_thread_assert_mutex_owner LDAP_P((
LDAP_CONST char *file,
int line,
LDAP_CONST char *msg,
ldap_debug_thread_mutex_t *mutex ));
#endif /* NDEBUG */
LDAP_END_DECL
#endif /* LDAP_THREAD_DEBUG_WRAP */
#endif /* _LDAP_INT_THREAD_H */
|
