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
|
/* thr_pth.c - wrappers around GNU Pth */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2021 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>.
*/
#include "portable.h"
#if defined( HAVE_GNU_PTH )
#include "ldap_pvt_thread.h" /* Get the thread interface */
#define LDAP_THREAD_IMPLEMENTATION
#define LDAP_THREAD_RDWR_IMPLEMENTATION
#include "ldap_thr_debug.h" /* May rename the symbols defined below */
#include <errno.h>
/*******************
* *
* GNU Pth Threads *
* *
*******************/
static pth_attr_t detach_attr;
static pth_attr_t joined_attr;
int
ldap_int_thread_initialize( void )
{
if( !pth_init() ) {
return -1;
}
detach_attr = pth_attr_new();
joined_attr = pth_attr_new();
#ifdef LDAP_PVT_THREAD_SET_STACK_SIZE
pth_attr_set( joined_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE );
pth_attr_set( detach_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE );
#endif
return pth_attr_set( detach_attr, PTH_ATTR_JOINABLE, FALSE );
}
int
ldap_int_thread_destroy( void )
{
pth_attr_destroy(detach_attr);
pth_kill();
return 0;
}
int
ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
int detach,
void *(*start_routine)( void *),
void *arg)
{
*thread = pth_spawn( detach ? detach_attr : joined_attr,
start_routine, arg );
return *thread == NULL ? errno : 0;
}
void
ldap_pvt_thread_exit( void *retval )
{
pth_exit( retval );
}
int ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
{
return pth_join( thread, thread_return ) ? 0 : errno;
}
int
ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
{
return pth_raise( thread, signo ) ? 0 : errno;
}
int
ldap_pvt_thread_yield( void )
{
return pth_yield(NULL) ? 0 : errno;
}
int
ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
{
return( pth_cond_init( cond ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
{
return( pth_cond_notify( cond, 0 ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
{
return( pth_cond_notify( cond, 1 ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
ldap_pvt_thread_mutex_t *mutex )
{
return( pth_cond_await( cond, mutex, NULL ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cv )
{
return 0;
}
int
ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_init( mutex ) ? 0 : errno );
}
int
ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
{
return 0;
}
int
ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_acquire( mutex, 0, NULL ) ? 0 : errno );
}
int
ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_release( mutex ) ? 0 : errno );
}
int
ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_acquire( mutex, 1, NULL ) ? 0 : errno );
}
ldap_pvt_thread_t
ldap_pvt_thread_self( void )
{
return pth_self();
}
int
ldap_pvt_thread_key_create( ldap_pvt_thread_key_t *key )
{
return pth_key_create( key, NULL );
}
int
ldap_pvt_thread_key_destroy( ldap_pvt_thread_key_t key )
{
return pth_key_delete( key );
}
int
ldap_pvt_thread_key_setdata( ldap_pvt_thread_key_t key, void *data )
{
return pth_key_setdata( key, data );
}
int
ldap_pvt_thread_key_getdata( ldap_pvt_thread_key_t key, void **data )
{
*data = pth_key_getdata( key );
return 0;
}
#ifdef LDAP_THREAD_HAVE_RDWR
int
ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_init( rw ) ? 0 : errno;
}
int
ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
{
return 0;
}
int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 0, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 1, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_release( rw ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 0, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 1, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_release( rw ) ? 0 : errno;
}
#endif /* LDAP_THREAD_HAVE_RDWR */
#endif /* HAVE_GNU_PTH */
|
