2 * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
3 * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Chris Provenzano.
17 * 4. The name of Chris Provenzano may not be used to endorse or promote
18 * products derived from this software without specific prior written
21 * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 #include <sys/cdefs.h>
42 #include <sys/_pthreadtypes.h>
43 #include <machine/_limits.h>
44 #include <machine/_types.h>
45 #include <sys/_sigset.h>
50 * Run-time invariant values:
52 #define PTHREAD_DESTRUCTOR_ITERATIONS 4
53 #define PTHREAD_KEYS_MAX 256
54 #define PTHREAD_STACK_MIN __MINSIGSTKSZ
55 #define PTHREAD_THREADS_MAX __ULONG_MAX
56 #define PTHREAD_BARRIER_SERIAL_THREAD -1
59 * Flags for threads and thread attributes.
61 #define PTHREAD_DETACHED 0x1
62 #define PTHREAD_SCOPE_SYSTEM 0x2
63 #define PTHREAD_INHERIT_SCHED 0x4
64 #define PTHREAD_NOFLOAT 0x8
66 #define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED
67 #define PTHREAD_CREATE_JOINABLE 0
68 #define PTHREAD_SCOPE_PROCESS 0
69 #define PTHREAD_EXPLICIT_SCHED 0
72 * Flags for read/write lock attributes
74 #define PTHREAD_PROCESS_PRIVATE 0
75 #define PTHREAD_PROCESS_SHARED 1
78 * Flags for cancelling threads
80 #define PTHREAD_CANCEL_ENABLE 0
81 #define PTHREAD_CANCEL_DISABLE 1
82 #define PTHREAD_CANCEL_DEFERRED 0
83 #define PTHREAD_CANCEL_ASYNCHRONOUS 2
84 #define PTHREAD_CANCELED ((void *) 1)
87 * Flags for once initialization.
89 #define PTHREAD_NEEDS_INIT 0
90 #define PTHREAD_DONE_INIT 1
93 * Static once initialization values.
95 #define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL }
98 * Static initialization values.
100 #define PTHREAD_MUTEX_INITIALIZER NULL
101 #define PTHREAD_COND_INITIALIZER NULL
102 #define PTHREAD_RWLOCK_INITIALIZER NULL
105 * Default attribute arguments (draft 4, deprecated).
107 #ifndef PTHREAD_KERNEL
108 #define pthread_condattr_default NULL
109 #define pthread_mutexattr_default NULL
110 #define pthread_attr_default NULL
113 #define PTHREAD_PRIO_NONE 0
114 #define PTHREAD_PRIO_INHERIT 1
115 #define PTHREAD_PRIO_PROTECT 2
118 * Mutex types (Single UNIX Specification, Version 2, 1997).
120 * Note that a mutex attribute with one of the following types:
122 * PTHREAD_MUTEX_NORMAL
123 * PTHREAD_MUTEX_RECURSIVE
125 * will deviate from POSIX specified semantics.
127 enum pthread_mutextype {
128 PTHREAD_MUTEX_ERRORCHECK = 1, /* Default POSIX mutex */
129 PTHREAD_MUTEX_RECURSIVE = 2, /* Recursive mutex */
130 PTHREAD_MUTEX_NORMAL = 3, /* No error checking */
131 PTHREAD_MUTEX_TYPE_MAX
134 #define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_ERRORCHECK
137 * Thread function prototype definitions:
140 int pthread_atfork(void (*)(void), void (*)(void), void (*)(void));
141 int pthread_attr_destroy(pthread_attr_t *);
142 int pthread_attr_getstack(const pthread_attr_t * __restrict,
143 void ** __restrict, size_t * __restrict);
144 int pthread_attr_getstacksize(const pthread_attr_t *, size_t *);
145 int pthread_attr_getguardsize(const pthread_attr_t *, size_t *);
146 int pthread_attr_getstackaddr(const pthread_attr_t *, void **);
147 int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
148 int pthread_attr_init(pthread_attr_t *);
149 int pthread_attr_setstacksize(pthread_attr_t *, size_t);
150 int pthread_attr_setguardsize(pthread_attr_t *, size_t);
151 int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
152 int pthread_attr_setstackaddr(pthread_attr_t *, void *);
153 int pthread_attr_setdetachstate(pthread_attr_t *, int);
154 int pthread_barrier_destroy(pthread_barrier_t *);
155 int pthread_barrier_init(pthread_barrier_t *,
156 const pthread_barrierattr_t *, unsigned);
157 int pthread_barrier_wait(pthread_barrier_t *);
158 int pthread_barrierattr_destroy(pthread_barrierattr_t *);
159 int pthread_barrierattr_getpshared(const pthread_barrierattr_t *,
161 int pthread_barrierattr_init(pthread_barrierattr_t *);
162 int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
163 void pthread_cleanup_pop(int);
164 void pthread_cleanup_push(void (*) (void *), void *);
165 int pthread_condattr_destroy(pthread_condattr_t *);
166 int pthread_condattr_getclock(const pthread_condattr_t *,
168 int pthread_condattr_getpshared(const pthread_condattr_t *, int *);
169 int pthread_condattr_init(pthread_condattr_t *);
170 int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
171 int pthread_condattr_setpshared(pthread_condattr_t *, int);
172 int pthread_cond_broadcast(pthread_cond_t *);
173 int pthread_cond_destroy(pthread_cond_t *);
174 int pthread_cond_init(pthread_cond_t *,
175 const pthread_condattr_t *);
176 int pthread_cond_signal(pthread_cond_t *);
177 int pthread_cond_timedwait(pthread_cond_t *,
178 pthread_mutex_t *, const struct timespec *);
179 int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *);
180 int pthread_create(pthread_t *, const pthread_attr_t *,
181 void *(*) (void *), void *);
182 int pthread_detach(pthread_t);
183 int pthread_equal(pthread_t, pthread_t);
184 void pthread_exit(void *) __dead2;
185 void *pthread_getspecific(pthread_key_t);
186 int pthread_join(pthread_t, void **);
187 int pthread_key_create(pthread_key_t *,
189 int pthread_key_delete(pthread_key_t);
190 int pthread_kill(pthread_t, int);
191 int pthread_mutexattr_init(pthread_mutexattr_t *);
192 int pthread_mutexattr_destroy(pthread_mutexattr_t *);
193 int pthread_mutexattr_getpshared(const pthread_mutexattr_t *,
195 int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *);
196 int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
197 int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
198 int pthread_mutex_destroy(pthread_mutex_t *);
199 int pthread_mutex_init(pthread_mutex_t *,
200 const pthread_mutexattr_t *);
201 int pthread_mutex_lock(pthread_mutex_t *);
202 int pthread_mutex_trylock(pthread_mutex_t *);
203 int pthread_mutex_timedlock(pthread_mutex_t *,
204 const struct timespec *);
205 int pthread_mutex_unlock(pthread_mutex_t *);
206 int pthread_once(pthread_once_t *, void (*) (void));
207 int pthread_rwlock_destroy(pthread_rwlock_t *);
208 int pthread_rwlock_init(pthread_rwlock_t *,
209 const pthread_rwlockattr_t *);
210 int pthread_rwlock_rdlock(pthread_rwlock_t *);
211 int pthread_rwlock_timedrdlock(pthread_rwlock_t *,
212 const struct timespec *);
213 int pthread_rwlock_timedwrlock(pthread_rwlock_t *,
214 const struct timespec *);
215 int pthread_rwlock_tryrdlock(pthread_rwlock_t *);
216 int pthread_rwlock_trywrlock(pthread_rwlock_t *);
217 int pthread_rwlock_unlock(pthread_rwlock_t *);
218 int pthread_rwlock_wrlock(pthread_rwlock_t *);
219 int pthread_rwlockattr_init(pthread_rwlockattr_t *);
220 int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *,
222 int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
223 int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
224 pthread_t pthread_self(void);
225 int pthread_setspecific(pthread_key_t, const void *);
226 int pthread_sigmask(int, const __sigset_t *, __sigset_t *);
228 int pthread_spin_init(pthread_spinlock_t *, int);
229 int pthread_spin_destroy(pthread_spinlock_t *);
230 int pthread_spin_lock(pthread_spinlock_t *);
231 int pthread_spin_trylock(pthread_spinlock_t *);
232 int pthread_spin_unlock(pthread_spinlock_t *);
233 int pthread_cancel(pthread_t);
234 int pthread_setcancelstate(int, int *);
235 int pthread_setcanceltype(int, int *);
236 void pthread_testcancel(void);
238 int pthread_getprio(pthread_t);
239 int pthread_setprio(pthread_t, int);
240 void pthread_yield(void);
242 int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *,
244 int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *,
246 int pthread_mutex_getprioceiling(pthread_mutex_t *, int *);
247 int pthread_mutex_setprioceiling(pthread_mutex_t *, int, int *);
249 int pthread_mutexattr_getprotocol(pthread_mutexattr_t *, int *);
250 int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
252 int pthread_attr_getinheritsched(const pthread_attr_t *, int *);
253 int pthread_attr_getschedparam(const pthread_attr_t *,
254 struct sched_param *);
255 int pthread_attr_getschedpolicy(const pthread_attr_t *, int *);
256 int pthread_attr_getscope(const pthread_attr_t *, int *);
257 int pthread_attr_setinheritsched(pthread_attr_t *, int);
258 int pthread_attr_setschedparam(pthread_attr_t *,
259 const struct sched_param *);
260 int pthread_attr_setschedpolicy(pthread_attr_t *, int);
261 int pthread_attr_setscope(pthread_attr_t *, int);
262 int pthread_getschedparam(pthread_t pthread, int *,
263 struct sched_param *);
264 int pthread_setschedparam(pthread_t, int,
265 const struct sched_param *);
266 int pthread_getconcurrency(void);
267 int pthread_setconcurrency(int);