Meg's Mirrors

zig

1	#ifndef _THREADS_H
2	#define _THREADS_H
3
4	#include <features.h>
5	#include <time.h>
6
7	#ifdef __cplusplus
8	extern "C" {
9	typedef unsigned long thrd_t;
10	#else
11	typedef struct __pthread *thrd_t;
12	#define thread_local _Thread_local
13	#endif
14
15	typedef int once_flag;
16	typedef unsigned tss_t;
17	typedef int (*thrd_start_t)(void *);
18	typedef void (*tss_dtor_t)(void *);
19
20	#define __NEED_cnd_t
21	#define __NEED_mtx_t
22
23	#include <bits/alltypes.h>
24
25	#define TSS_DTOR_ITERATIONS 4
26
27	enum {
28	thrd_success = 0,
29	thrd_busy = 1,
30	thrd_error = 2,
31	thrd_nomem = 3,
32	thrd_timedout = 4,
33	};
34
35	enum {
36	mtx_plain = 0,
37	mtx_recursive = 1,
38	mtx_timed = 2,
39	};
40
41	#define ONCE_FLAG_INIT 0
42
43	int thrd_create(thrd_t *, thrd_start_t, void *);
44	_Noreturn void thrd_exit(int);
45
46	int thrd_detach(thrd_t);
47	int thrd_join(thrd_t, int *);
48
49	int thrd_sleep(const struct timespec *, struct timespec *);
50	void thrd_yield(void);
51
52	thrd_t thrd_current(void);
53	int thrd_equal(thrd_t, thrd_t);
54	#ifndef __cplusplus
55	#define thrd_equal(A, B) ((A) == (B))
56	#endif
57
58	void call_once(once_flag *, void (*)(void));
59
60	int mtx_init(mtx_t *, int);
61	void mtx_destroy(mtx_t *);
62
63	int mtx_lock(mtx_t *);
64	int mtx_timedlock(mtx_t *__restrict, const struct timespec *__restrict);
65	int mtx_trylock(mtx_t *);
66	int mtx_unlock(mtx_t *);
67
68	int cnd_init(cnd_t *);
69	void cnd_destroy(cnd_t *);
70
71	int cnd_broadcast(cnd_t *);
72	int cnd_signal(cnd_t *);
73
74	int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict, const struct timespec *__restrict);
75	int cnd_wait(cnd_t *, mtx_t *);
76
77	int tss_create(tss_t *, tss_dtor_t);
78	void tss_delete(tss_t);
79
80	int tss_set(tss_t, void *);
81	void *tss_get(tss_t);
82
83	#if _REDIR_TIME64
84	__REDIR(thrd_sleep, __thrd_sleep_time64);
85	__REDIR(mtx_timedlock, __mtx_timedlock_time64);
86	__REDIR(cnd_timedwait, __cnd_timedwait_time64);
87	#endif
88
89	#ifdef __cplusplus
90	}
91	#endif
92
93	#endif