1 /* thr_stub.c - stubs for the threads */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 *
5 * Copyright 1998-2021 The OpenLDAP Foundation.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
10 * Public License.
11 *
12 * A copy of this license is available in file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
15 */
16
17 #include "portable.h"
18
19 #if defined( NO_THREADS )
20
21 #include "ldap_pvt_thread.h" /* Get the thread interface */
22 #define LDAP_THREAD_IMPLEMENTATION
23 #define LDAP_THREAD_POOL_IMPLEMENTATION
24 #include "ldap_thr_debug.h" /* May rename the symbols defined below */
25
26 /***********************************************************************
27 * *
28 * no threads package defined for this system - fake ok returns from *
29 * all threads routines (making it single-threaded). *
30 * *
31 ***********************************************************************/
32
33 int
ldap_int_thread_initialize(void)34 ldap_int_thread_initialize( void )
35 {
36 return 0;
37 }
38
39 int
ldap_int_thread_destroy(void)40 ldap_int_thread_destroy( void )
41 {
42 return 0;
43 }
44
45 static void* ldap_int_status = NULL;
46
47 int
ldap_pvt_thread_create(ldap_pvt_thread_t * thread,int detach,void * (* start_routine)(void *),void * arg)48 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
49 int detach,
50 void *(*start_routine)(void *),
51 void *arg)
52 {
53 if( ! detach ) ldap_int_status = NULL;
54 start_routine( arg );
55 return 0;
56 }
57
58 void
ldap_pvt_thread_exit(void * retval)59 ldap_pvt_thread_exit( void *retval )
60 {
61 if( retval != NULL ) {
62 ldap_int_status = retval;
63 }
64 return;
65 }
66
67 int
ldap_pvt_thread_join(ldap_pvt_thread_t thread,void ** status)68 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **status )
69 {
70 if(status != NULL) *status = ldap_int_status;
71 return 0;
72 }
73
74 int
ldap_pvt_thread_kill(ldap_pvt_thread_t thread,int signo)75 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
76 {
77 return 0;
78 }
79
80 int
ldap_pvt_thread_yield(void)81 ldap_pvt_thread_yield( void )
82 {
83 return 0;
84 }
85
86 int
ldap_pvt_thread_cond_init(ldap_pvt_thread_cond_t * cond)87 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
88 {
89 return 0;
90 }
91
92 int
ldap_pvt_thread_cond_destroy(ldap_pvt_thread_cond_t * cond)93 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
94 {
95 return 0;
96 }
97
98 int
ldap_pvt_thread_cond_signal(ldap_pvt_thread_cond_t * cond)99 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
100 {
101 return 0;
102 }
103
104 int
ldap_pvt_thread_cond_broadcast(ldap_pvt_thread_cond_t * cond)105 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
106 {
107 return 0;
108 }
109
110 int
ldap_pvt_thread_cond_wait(ldap_pvt_thread_cond_t * cond,ldap_pvt_thread_mutex_t * mutex)111 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
112 ldap_pvt_thread_mutex_t *mutex )
113 {
114 return 0;
115 }
116
117 int
ldap_pvt_thread_mutex_init(ldap_pvt_thread_mutex_t * mutex)118 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
119 {
120 return 0;
121 }
122
123 int
ldap_pvt_thread_mutex_destroy(ldap_pvt_thread_mutex_t * mutex)124 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
125 {
126 return 0;
127 }
128
129 int
ldap_pvt_thread_mutex_lock(ldap_pvt_thread_mutex_t * mutex)130 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
131 {
132 return 0;
133 }
134
135 int
ldap_pvt_thread_mutex_trylock(ldap_pvt_thread_mutex_t * mutex)136 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
137 {
138 return 0;
139 }
140
141 int
ldap_pvt_thread_mutex_unlock(ldap_pvt_thread_mutex_t * mutex)142 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
143 {
144 return 0;
145 }
146
147 /*
148 * NO_THREADS requires a separate tpool implementation since
149 * generic ldap_pvt_thread_pool_wrapper loops forever.
150 */
151 int
ldap_pvt_thread_pool_init(ldap_pvt_thread_pool_t * pool_out,int max_concurrency,int max_pending)152 ldap_pvt_thread_pool_init (
153 ldap_pvt_thread_pool_t *pool_out,
154 int max_concurrency, int max_pending )
155 {
156 *pool_out = (ldap_pvt_thread_pool_t) 0;
157 return(0);
158 }
159
160 int
ldap_pvt_thread_pool_submit(ldap_pvt_thread_pool_t * pool,ldap_pvt_thread_start_t * start_routine,void * arg)161 ldap_pvt_thread_pool_submit (
162 ldap_pvt_thread_pool_t *pool,
163 ldap_pvt_thread_start_t *start_routine, void *arg )
164 {
165 (start_routine)(NULL, arg);
166 return(0);
167 }
168
169 int
ldap_pvt_thread_pool_retract(ldap_pvt_thread_pool_t * pool,ldap_pvt_thread_start_t * start_routine,void * arg)170 ldap_pvt_thread_pool_retract (
171 ldap_pvt_thread_pool_t *pool,
172 ldap_pvt_thread_start_t *start_routine, void *arg )
173 {
174 return(0);
175 }
176
177 int
ldap_pvt_thread_pool_maxthreads(ldap_pvt_thread_pool_t * tpool,int max_threads)178 ldap_pvt_thread_pool_maxthreads ( ldap_pvt_thread_pool_t *tpool, int max_threads )
179 {
180 return(0);
181 }
182
183 int
ldap_pvt_thread_pool_query(ldap_pvt_thread_pool_t * tpool,ldap_pvt_thread_pool_param_t param,void * value)184 ldap_pvt_thread_pool_query( ldap_pvt_thread_pool_t *tpool,
185 ldap_pvt_thread_pool_param_t param, void *value )
186 {
187 *(int *)value = -1;
188 return(-1);
189 }
190
191 int
ldap_pvt_thread_pool_backload(ldap_pvt_thread_pool_t * pool)192 ldap_pvt_thread_pool_backload (
193 ldap_pvt_thread_pool_t *pool )
194 {
195 return(0);
196 }
197
198 int
ldap_pvt_thread_pool_destroy(ldap_pvt_thread_pool_t * pool,int run_pending)199 ldap_pvt_thread_pool_destroy (
200 ldap_pvt_thread_pool_t *pool, int run_pending )
201 {
202 return(0);
203 }
204
205 void
ldap_pvt_thread_pool_idle(ldap_pvt_thread_pool_t * pool)206 ldap_pvt_thread_pool_idle ( ldap_pvt_thread_pool_t *pool )
207 {
208 return;
209 }
210
211 void
ldap_pvt_thread_pool_unidle(ldap_pvt_thread_pool_t * pool)212 ldap_pvt_thread_pool_unidle ( ldap_pvt_thread_pool_t *pool )
213 {
214 return;
215 }
216
ldap_pvt_thread_pool_getkey(void * ctx,void * key,void ** data,ldap_pvt_thread_pool_keyfree_t ** kfree)217 int ldap_pvt_thread_pool_getkey (
218 void *ctx, void *key, void **data, ldap_pvt_thread_pool_keyfree_t **kfree )
219 {
220 return(0);
221 }
222
ldap_pvt_thread_pool_setkey(void * ctx,void * key,void * data,ldap_pvt_thread_pool_keyfree_t * kfree,void ** olddatap,ldap_pvt_thread_pool_keyfree_t ** oldkfreep)223 int ldap_pvt_thread_pool_setkey (
224 void *ctx, void *key,
225 void *data, ldap_pvt_thread_pool_keyfree_t *kfree,
226 void **olddatap, ldap_pvt_thread_pool_keyfree_t **oldkfreep )
227 {
228 if ( olddatap ) *olddatap = NULL;
229 if ( oldkfreep ) *oldkfreep = 0;
230 return(0);
231 }
232
ldap_pvt_thread_pool_purgekey(void * key)233 void ldap_pvt_thread_pool_purgekey( void *key )
234 {
235 }
236
ldap_pvt_thread_pool_pause(ldap_pvt_thread_pool_t * tpool)237 int ldap_pvt_thread_pool_pause (
238 ldap_pvt_thread_pool_t *tpool )
239 {
240 return(0);
241 }
242
ldap_pvt_thread_pool_resume(ldap_pvt_thread_pool_t * tpool)243 int ldap_pvt_thread_pool_resume (
244 ldap_pvt_thread_pool_t *tpool )
245 {
246 return(0);
247 }
248
ldap_pvt_thread_pool_pausing(ldap_pvt_thread_pool_t * tpool)249 int ldap_pvt_thread_pool_pausing( ldap_pvt_thread_pool_t *tpool )
250 {
251 return(0);
252 }
253
ldap_pvt_thread_pool_pausecheck(ldap_pvt_thread_pool_t * tpool)254 ldap_pvt_thread_pool_pausecheck( ldap_pvt_thread_pool_t *tpool )
255 {
256 return(0);
257 }
258
ldap_pvt_thread_pool_context()259 void *ldap_pvt_thread_pool_context( )
260 {
261 return(NULL);
262 }
263
ldap_pvt_thread_pool_context_reset(void * vctx)264 void ldap_pvt_thread_pool_context_reset( void *vctx )
265 {
266 }
267
268 ldap_pvt_thread_t
ldap_pvt_thread_self(void)269 ldap_pvt_thread_self( void )
270 {
271 return(0);
272 }
273
274 int
ldap_pvt_thread_key_create(ldap_pvt_thread_key_t * key)275 ldap_pvt_thread_key_create( ldap_pvt_thread_key_t *key )
276 {
277 return(0);
278 }
279
280 int
ldap_pvt_thread_key_destroy(ldap_pvt_thread_key_t key)281 ldap_pvt_thread_key_destroy( ldap_pvt_thread_key_t key )
282 {
283 return(0);
284 }
285
286 int
ldap_pvt_thread_key_setdata(ldap_pvt_thread_key_t key,void * data)287 ldap_pvt_thread_key_setdata( ldap_pvt_thread_key_t key, void *data )
288 {
289 return(0);
290 }
291
292 int
ldap_pvt_thread_key_getdata(ldap_pvt_thread_key_t key,void ** data)293 ldap_pvt_thread_key_getdata( ldap_pvt_thread_key_t key, void **data )
294 {
295 return(0);
296 }
297
298 ldap_pvt_thread_t
ldap_pvt_thread_pool_tid(void * vctx)299 ldap_pvt_thread_pool_tid( void *vctx )
300 {
301
302 return(0);
303 }
304
305 #endif /* NO_THREADS */
306