mirror of https://github.com/flysand7/ciabatta.git
96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
#pragma once
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// 7.28.1 p.3: Macros
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#define ONCE_FLAG_INIT 1
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#define TSS_DTOR_ITERATIONS 32
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// TODO(bumbread): check the spec for whether thread_local needs to be declared
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// in threads.h
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#define thread_local _Thread_local
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// 7.28.1 p.4: Types
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#if !defined(_timespec_defined)
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#define _timespec_defined
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typedef unsigned long long time_t;
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struct timespec {
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time_t tv_sec;
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long tv_nsec;
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};
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#endif
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#if defined(_WIN32)
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#include "os_win/threads_types.h"
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#else
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#error "Not implemented"
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#endif
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typedef void(*tss_dtor_t) (void*);
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typedef int (*thrd_start_t)(void*);
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// TODO(bumbread): this probably should be a mutex or a semaphore
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// also probably can be implemented with interlocked increment
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typedef int once_flag;
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// 7.28.1 p.5: Enumeration constants
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enum {
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mtx_plain = 0,
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mtx_recursive = 1,
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mtx_timed = 2,
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};
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enum {
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thrd_success,
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thrd_timedout,
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thrd_busy,
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thrd_error,
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thrd_nomem
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};
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// Thread functions
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thrd_t thrd_current(void);
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int thrd_create (thrd_t *thr, thrd_start_t func, void *arg);
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int thrd_detach (thrd_t thr);
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int thrd_equal (thrd_t thr0, thrd_t thr1);
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int thrd_join (thrd_t thr, int *res);
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void thrd_yield (void);
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int thrd_sleep(
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const struct timespec *duration,
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struct timespec *remaining
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);
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_Noreturn void thrd_exit(int res);
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// Mutex functions
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void mtx_destroy (mtx_t *mtx);
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int mtx_init (mtx_t *mtx, int type);
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int mtx_unlock (mtx_t *mtx);
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int mtx_trylock (mtx_t *mtx);
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int mtx_lock (mtx_t *mtx);
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int mtx_timedlock(
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mtx_t *restrict mtx,
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const struct timespec *restrict ts
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);
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// Thread-local storage functions
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int tss_create(tss_t *key, tss_dtor_t dtor);
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void tss_delete(tss_t key);
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void *tss_get (tss_t key);
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int tss_set (tss_t key, void *val);
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// Condition functions
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int cnd_init (cnd_t *cond);
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int cnd_broadcast(cnd_t *cond);
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void cnd_destroy (cnd_t *cond);
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int cnd_signal (cnd_t *cond);
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int cnd_wait (cnd_t *cond, mtx_t *mtx);
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int cnd_timedwait(
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cnd_t *restrict cond,
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mtx_t *restrict mtx,
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const struct timespec *restrict ts
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);
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// Call once
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void call_once(once_flag *flag, void (*func)(void));
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