master
1#ifndef _PTHREAD_H
2#define _PTHREAD_H
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#define __NEED_time_t
10#define __NEED_clockid_t
11#define __NEED_struct_timespec
12#define __NEED_sigset_t
13#define __NEED_pthread_t
14#define __NEED_pthread_attr_t
15#define __NEED_pthread_mutexattr_t
16#define __NEED_pthread_condattr_t
17#define __NEED_pthread_rwlockattr_t
18#define __NEED_pthread_barrierattr_t
19#define __NEED_pthread_mutex_t
20#define __NEED_pthread_cond_t
21#define __NEED_pthread_rwlock_t
22#define __NEED_pthread_barrier_t
23#define __NEED_pthread_spinlock_t
24#define __NEED_pthread_key_t
25#define __NEED_pthread_once_t
26#define __NEED_size_t
27
28#include <bits/alltypes.h>
29
30#include <sched.h>
31#include <time.h>
32
33#define PTHREAD_CREATE_JOINABLE 0
34#define PTHREAD_CREATE_DETACHED 1
35
36#define PTHREAD_MUTEX_NORMAL 0
37#define PTHREAD_MUTEX_DEFAULT 0
38#define PTHREAD_MUTEX_RECURSIVE 1
39#define PTHREAD_MUTEX_ERRORCHECK 2
40
41#define PTHREAD_MUTEX_STALLED 0
42#define PTHREAD_MUTEX_ROBUST 1
43
44#define PTHREAD_PRIO_NONE 0
45#define PTHREAD_PRIO_INHERIT 1
46#define PTHREAD_PRIO_PROTECT 2
47
48#define PTHREAD_INHERIT_SCHED 0
49#define PTHREAD_EXPLICIT_SCHED 1
50
51#define PTHREAD_SCOPE_SYSTEM 0
52#define PTHREAD_SCOPE_PROCESS 1
53
54#define PTHREAD_PROCESS_PRIVATE 0
55#define PTHREAD_PROCESS_SHARED 1
56
57
58#define PTHREAD_MUTEX_INITIALIZER {{{0}}}
59#define PTHREAD_RWLOCK_INITIALIZER {{{0}}}
60#define PTHREAD_COND_INITIALIZER {{{0}}}
61#define PTHREAD_ONCE_INIT 0
62
63
64#define PTHREAD_CANCEL_ENABLE 0
65#define PTHREAD_CANCEL_DISABLE 1
66#define PTHREAD_CANCEL_MASKED 2
67
68#define PTHREAD_CANCEL_DEFERRED 0
69#define PTHREAD_CANCEL_ASYNCHRONOUS 1
70
71#define PTHREAD_CANCELED ((void *)-1)
72
73
74#define PTHREAD_BARRIER_SERIAL_THREAD (-1)
75
76
77#define PTHREAD_NULL ((pthread_t)0)
78
79
80#ifdef __wasilibc_unmodified_upstream
81int pthread_create(pthread_t *__restrict, const pthread_attr_t *__restrict, void *(*)(void *), void *__restrict);
82int pthread_detach(pthread_t);
83_Noreturn void pthread_exit(void *);
84int pthread_join(pthread_t, void **);
85#else
86#if defined(_REENTRANT) || !defined(_WASI_STRICT_PTHREAD)
87int pthread_create(pthread_t *__restrict, const pthread_attr_t *__restrict, void *(*)(void *), void *__restrict);
88int pthread_detach(pthread_t);
89int pthread_join(pthread_t, void **);
90#else
91#define pthread_create(...) ({ _Static_assert(0, "This function is not available on a single-threaded target; switch to a multi-threaded target with -pthread or enable a stub implementation by undefining _WASI_STRICT_PTHREAD"); 0;})
92#define pthread_detach(...) ({ _Static_assert(0, "This function is not available on a single-threaded target; switch to a multi-threaded target with -pthread or enable a stub implementation by undefining _WASI_STRICT_PTHREAD"); 0;})
93#define pthread_join(...) ({ _Static_assert(0, "This function is not available on a single-threaded target; switch to a multi-threaded target with -pthread or enable a stub implementation by undefining _WASI_STRICT_PTHREAD"); 0;})
94#endif
95#endif
96
97#ifdef __GNUC__
98__attribute__((const))
99#endif
100pthread_t pthread_self(void);
101
102int pthread_equal(pthread_t, pthread_t);
103#ifndef __cplusplus
104#define pthread_equal(x,y) ((x)==(y))
105#endif
106
107int pthread_setcancelstate(int, int *);
108int pthread_setcanceltype(int, int *);
109void pthread_testcancel(void);
110#ifdef __wasilibc_unmodified_upstream /* WASI has no cancellation support. */
111int pthread_cancel(pthread_t);
112#endif
113
114#ifdef __wasilibc_unmodified_upstream /* WASI has no CPU scheduling support. */
115int pthread_getschedparam(pthread_t, int *__restrict, struct sched_param *__restrict);
116int pthread_setschedparam(pthread_t, int, const struct sched_param *);
117#endif
118int pthread_setschedprio(pthread_t, int);
119
120int pthread_once(pthread_once_t *, void (*)(void));
121
122int pthread_mutex_init(pthread_mutex_t *__restrict, const pthread_mutexattr_t *__restrict);
123int pthread_mutex_lock(pthread_mutex_t *);
124int pthread_mutex_unlock(pthread_mutex_t *);
125int pthread_mutex_trylock(pthread_mutex_t *);
126int pthread_mutex_timedlock(pthread_mutex_t *__restrict, const struct timespec *__restrict);
127int pthread_mutex_destroy(pthread_mutex_t *);
128int pthread_mutex_consistent(pthread_mutex_t *);
129
130int pthread_mutex_getprioceiling(const pthread_mutex_t *__restrict, int *__restrict);
131int pthread_mutex_setprioceiling(pthread_mutex_t *__restrict, int, int *__restrict);
132
133int pthread_cond_init(pthread_cond_t *__restrict, const pthread_condattr_t *__restrict);
134int pthread_cond_destroy(pthread_cond_t *);
135int pthread_cond_wait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict);
136int pthread_cond_timedwait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, const struct timespec *__restrict);
137int pthread_cond_broadcast(pthread_cond_t *);
138int pthread_cond_signal(pthread_cond_t *);
139
140int pthread_rwlock_init(pthread_rwlock_t *__restrict, const pthread_rwlockattr_t *__restrict);
141int pthread_rwlock_destroy(pthread_rwlock_t *);
142int pthread_rwlock_rdlock(pthread_rwlock_t *);
143int pthread_rwlock_tryrdlock(pthread_rwlock_t *);
144int pthread_rwlock_timedrdlock(pthread_rwlock_t *__restrict, const struct timespec *__restrict);
145int pthread_rwlock_wrlock(pthread_rwlock_t *);
146int pthread_rwlock_trywrlock(pthread_rwlock_t *);
147int pthread_rwlock_timedwrlock(pthread_rwlock_t *__restrict, const struct timespec *__restrict);
148int pthread_rwlock_unlock(pthread_rwlock_t *);
149
150int pthread_spin_init(pthread_spinlock_t *, int);
151int pthread_spin_destroy(pthread_spinlock_t *);
152int pthread_spin_lock(pthread_spinlock_t *);
153int pthread_spin_trylock(pthread_spinlock_t *);
154int pthread_spin_unlock(pthread_spinlock_t *);
155
156int pthread_barrier_init(pthread_barrier_t *__restrict, const pthread_barrierattr_t *__restrict, unsigned);
157int pthread_barrier_destroy(pthread_barrier_t *);
158int pthread_barrier_wait(pthread_barrier_t *);
159
160int pthread_key_create(pthread_key_t *, void (*)(void *));
161int pthread_key_delete(pthread_key_t);
162void *pthread_getspecific(pthread_key_t);
163int pthread_setspecific(pthread_key_t, const void *);
164
165int pthread_attr_init(pthread_attr_t *);
166int pthread_attr_destroy(pthread_attr_t *);
167
168int pthread_attr_getguardsize(const pthread_attr_t *__restrict, size_t *__restrict);
169int pthread_attr_setguardsize(pthread_attr_t *, size_t);
170int pthread_attr_getstacksize(const pthread_attr_t *__restrict, size_t *__restrict);
171int pthread_attr_setstacksize(pthread_attr_t *, size_t);
172int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
173int pthread_attr_setdetachstate(pthread_attr_t *, int);
174int pthread_attr_getstack(const pthread_attr_t *__restrict, void **__restrict, size_t *__restrict);
175int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
176int pthread_attr_getscope(const pthread_attr_t *__restrict, int *__restrict);
177int pthread_attr_setscope(pthread_attr_t *, int);
178int pthread_attr_getschedpolicy(const pthread_attr_t *__restrict, int *__restrict);
179int pthread_attr_setschedpolicy(pthread_attr_t *, int);
180#ifdef __wasilibc_unmodified_upstream /* WASI has no CPU scheduling support. */
181int pthread_attr_getschedparam(const pthread_attr_t *__restrict, struct sched_param *__restrict);
182int pthread_attr_setschedparam(pthread_attr_t *__restrict, const struct sched_param *__restrict);
183#endif
184int pthread_attr_getinheritsched(const pthread_attr_t *__restrict, int *__restrict);
185int pthread_attr_setinheritsched(pthread_attr_t *, int);
186
187int pthread_mutexattr_destroy(pthread_mutexattr_t *);
188int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *__restrict, int *__restrict);
189int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *__restrict, int *__restrict);
190int pthread_mutexattr_getpshared(const pthread_mutexattr_t *__restrict, int *__restrict);
191int pthread_mutexattr_getrobust(const pthread_mutexattr_t *__restrict, int *__restrict);
192int pthread_mutexattr_gettype(const pthread_mutexattr_t *__restrict, int *__restrict);
193int pthread_mutexattr_init(pthread_mutexattr_t *);
194int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
195int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
196int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
197int pthread_mutexattr_setrobust(pthread_mutexattr_t *, int);
198int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
199
200int pthread_condattr_init(pthread_condattr_t *);
201int pthread_condattr_destroy(pthread_condattr_t *);
202int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
203int pthread_condattr_setpshared(pthread_condattr_t *, int);
204int pthread_condattr_getclock(const pthread_condattr_t *__restrict, clockid_t *__restrict);
205int pthread_condattr_getpshared(const pthread_condattr_t *__restrict, int *__restrict);
206
207int pthread_rwlockattr_init(pthread_rwlockattr_t *);
208int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
209int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
210int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *__restrict, int *__restrict);
211
212int pthread_barrierattr_destroy(pthread_barrierattr_t *);
213int pthread_barrierattr_getpshared(const pthread_barrierattr_t *__restrict, int *__restrict);
214int pthread_barrierattr_init(pthread_barrierattr_t *);
215int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
216
217int pthread_atfork(void (*)(void), void (*)(void), void (*)(void));
218
219int pthread_getconcurrency(void);
220int pthread_setconcurrency(int);
221
222int pthread_getcpuclockid(pthread_t, clockid_t *);
223
224struct __ptcb {
225 void (*__f)(void *);
226 void *__x;
227 struct __ptcb *__next;
228};
229
230void _pthread_cleanup_push(struct __ptcb *, void (*)(void *), void *);
231void _pthread_cleanup_pop(struct __ptcb *, int);
232
233#define pthread_cleanup_push(f, x) do { struct __ptcb __cb; _pthread_cleanup_push(&__cb, f, x);
234#define pthread_cleanup_pop(r) _pthread_cleanup_pop(&__cb, (r)); } while(0)
235
236#ifdef _GNU_SOURCE
237struct cpu_set_t;
238int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
239int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
240int pthread_getattr_np(pthread_t, pthread_attr_t *);
241int pthread_setname_np(pthread_t, const char *);
242int pthread_getname_np(pthread_t, char *, size_t);
243int pthread_getattr_default_np(pthread_attr_t *);
244int pthread_setattr_default_np(const pthread_attr_t *);
245#if defined(__wasilibc_unmodified_upstream) || defined(_REENTRANT) || !defined(_WASI_STRICT_PTHREAD)
246int pthread_tryjoin_np(pthread_t, void **);
247int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
248#else
249#define pthread_tryjoin_np(...) ({ _Static_assert(0, "This function is not available on a single-threaded target; switch to a multi-threaded target with -pthread or enable a stub implementation by undefining _WASI_STRICT_PTHREAD"); 0;})
250#define pthread_timedjoin_np(...) ({ _Static_assert(0, "This function is not available on a single-threaded target; switch to a multi-threaded target with -pthread or enable a stub implementation by undefining _WASI_STRICT_PTHREAD"); 0;})
251#endif
252#endif
253
254#if _REDIR_TIME64
255__REDIR(pthread_mutex_timedlock, __pthread_mutex_timedlock_time64);
256__REDIR(pthread_cond_timedwait, __pthread_cond_timedwait_time64);
257__REDIR(pthread_rwlock_timedrdlock, __pthread_rwlock_timedrdlock_time64);
258__REDIR(pthread_rwlock_timedwrlock, __pthread_rwlock_timedwrlock_time64);
259#ifdef _GNU_SOURCE
260__REDIR(pthread_timedjoin_np, __pthread_timedjoin_np_time64);
261#endif
262#endif
263
264#ifdef __cplusplus
265}
266#endif
267#endif