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#ifndef KIT_THREADS_H
#define KIT_THREADS_H
#ifndef KIT_DISABLE_SYSTEM_THREADS
# include "time.h"
# include <stddef.h>
# include <stdint.h>
# if !defined(_WIN32) || defined(__CYGWIN__)
# include <pthread.h>
# endif
# if defined(__cplusplus)
# define _Noreturn [[noreturn]]
# elif defined(_MSC_VER)
# define _Noreturn __declspec(noreturn)
# endif
# ifndef _Thread_local
# if defined(__cplusplus)
// C++11 doesn't need `_Thread_local` keyword or macro
# elif !defined(__STDC_NO_THREADS__)
// threads are optional in C11, _Thread_local present in this
// condition
# elif defined(_MSC_VER)
# define _Thread_local __declspec(thread)
# elif defined(__GNUC__)
# define _Thread_local __thread
# else
// Leave _Thread_local undefined so that use of _Thread_local would
// not promote to a non-thread-local global variable
# endif
# endif
# if !defined(__cplusplus)
// C11 thread_local() macro C++11 and above already have thread_local
// keyword
# ifndef thread_local
# if _MSC_VER
# define thread_local __declspec(thread)
# else
# define thread_local _Thread_local
# endif
# endif
# endif
# ifdef __cplusplus
extern "C" {
# endif
enum {
mtx_plain,
mtx_recursive,
mtx_timed,
};
enum {
thrd_success,
thrd_timedout,
thrd_error,
thrd_busy,
thrd_nomem,
thrd_wrong_stack_size
};
# if defined(_WIN32) && !defined(__CYGWIN__)
typedef struct {
void *DebugInfo;
long LockCount;
long RecursionCount;
void *OwningThread;
void *LockSemaphore;
uintptr_t SpinCount;
} mtx_t;
typedef struct {
void *Ptr;
} cnd_t;
typedef struct {
volatile uintptr_t status;
} once_flag;
typedef struct {
void *handle;
} thrd_t;
# else
typedef pthread_mutex_t mtx_t;
typedef pthread_cond_t cnd_t;
typedef pthread_once_t once_flag;
typedef pthread_t thrd_t;
# endif
typedef int (*thrd_start_t)(void *);
void mtx_destroy(mtx_t *mtx_);
int mtx_init(mtx_t *mtx_, int);
int mtx_lock(mtx_t *mtx_);
int mtx_timedlock(mtx_t *__restrict mtx_,
struct timespec const *__restrict);
int mtx_trylock(mtx_t *mtx_);
int mtx_unlock(mtx_t *mtx_);
void call_once(once_flag *, void (*)(void));
int cnd_broadcast(cnd_t *);
void cnd_destroy(cnd_t *);
int cnd_init(cnd_t *);
int cnd_signal(cnd_t *);
int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict mtx_,
struct timespec const *__restrict);
int cnd_wait(cnd_t *, mtx_t *mtx_);
int thrd_create(thrd_t *, thrd_start_t, void *);
int thrd_create_with_stack(thrd_t *, thrd_start_t, void *,
ptrdiff_t stack_size);
thrd_t thrd_current(void);
int thrd_detach(thrd_t);
int thrd_equal(thrd_t, thrd_t);
_Noreturn void thrd_exit(int);
int thrd_join(thrd_t, int *);
int thrd_sleep(struct timespec const *, struct timespec *);
void thrd_yield(void);
# ifdef __cplusplus
}
# endif
#endif
#endif
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