ciabatta/inc/threads.h

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#pragma once
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// Note(bumbread): some of the macros and types are platform-dependent
// and can be found in os_win/ subfolder.
#if defined(_WIN32)
#include "os_win/threads_types.h"
#else
#error "Not implemented"
#endif
// 7.28.1 p.3: Macros
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#define TSS_DTOR_ITERATIONS 32
// TODO(bumbread): check the spec for whether thread_local needs to be declared
// in threads.h
#define thread_local _Thread_local
// 7.28.1 p.4: Types
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#if !defined(_timespec_defined)
#define _timespec_defined
typedef unsigned long long time_t;
struct timespec {
time_t tv_sec;
long tv_nsec;
};
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#endif
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typedef void(*tss_dtor_t) (void*);
typedef int (*thrd_start_t)(void*);
// 7.28.1 p.5: Enumeration constants
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enum {
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mtx_plain = 0,
mtx_recursive = 1,
mtx_timed = 2,
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};
enum {
thrd_success,
thrd_timedout,
thrd_busy,
thrd_error,
thrd_nomem
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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);
int thrd_detach (thrd_t thr);
int thrd_equal (thrd_t thr0, thrd_t thr1);
int thrd_join (thrd_t thr, int *res);
void thrd_yield (void);
int thrd_sleep(
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const struct timespec *duration,
struct timespec *remaining
);
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_Noreturn void thrd_exit(int res);
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// Mutex functions
void mtx_destroy (mtx_t *mtx);
int mtx_init (mtx_t *mtx, int type);
int mtx_unlock (mtx_t *mtx);
int mtx_trylock (mtx_t *mtx);
int mtx_lock (mtx_t *mtx);
int mtx_timedlock(
mtx_t *restrict mtx,
const struct timespec *restrict ts
);
// Thread-local storage functions
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int tss_create(tss_t *key, tss_dtor_t dtor);
void tss_delete(tss_t key);
void *tss_get (tss_t key);
int tss_set (tss_t key, void *val);
// Condition functions
int cnd_init (cnd_t *cond);
int cnd_broadcast(cnd_t *cond);
void cnd_destroy (cnd_t *cond);
int cnd_signal (cnd_t *cond);
int cnd_wait (cnd_t *cond, mtx_t *mtx);
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int cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx, const struct timespec *restrict ts);
// Call once
void call_once(once_flag *flag, void (*func)(void));