/* Copyright (C) 2021,2022 fef <owo@fef.moe>.  All rights reserved. */

#pragma once

#include <gay/_null.h>
#include <arch/_types.h>

#ifndef _BOOL_DECLARED
#	define _BOOL_DECLARED 1
#	ifndef __cplusplus
#		if __STDC_VERSION__ >= 199901L
			typedef _Bool		bool;
#		else
			typedef __uint8_t	bool;
#		endif
#		define true	((bool)1)
#		define false	((bool)0)
#	endif /* not __cplusplus */
#endif /* not _BOOL_DECLARED */

typedef unsigned char		u_char;
typedef unsigned short		u_short;
typedef unsigned int		u_int;
typedef unsigned long		u_long;

typedef __int8_t		i8;
typedef __uint8_t		u8;

typedef __int16_t		i16;
typedef __uint16_t		u16;

typedef __int32_t		i32;
typedef __uint32_t		u32;

typedef __int64_t		i64;
typedef __uint64_t		u64;

typedef __ssize_t		isize;
typedef __size_t		usize;

typedef __register_t		word_t;
typedef __u_register_t		uword_t;

typedef __vm_paddr_t		vm_paddr_t;
typedef __vm_offset_t		vm_offset_t;
typedef __vm_size_t		vm_size_t;

#ifndef _SIZE_T_DECLARED
#define _SIZE_T_DECLARED 1
typedef __size_t		size_t;
#endif /* not _SIZE_T_DECLARED */

#ifndef _PTRDIFF_T_DECLARED
#define _PTRDIFF_T_DECLARED 1
typedef __ptrdiff_t 		ptrdiff_t;
#endif /* not _PTRDIFF_T_DECLARED */

#ifndef _INTPTR_T_DECLARED
#define _INTPTR_T_DECLARED 1
typedef __intptr_t		intptr_t;
#endif /* not _INTPTR_T_DECLARED */

#ifndef _UINTPTR_T_DECLARED
#define _UINTPTR_T_DECLARED 1
typedef __uintptr_t		uintptr_t;
#endif /* not _UINTPTR_T_DECLARED */

#ifndef _SSIZE_T_DECLARED
#define _SSIZE_T_DECLARED 1
typedef __ssize_t		ssize_t;
#endif /* not _SSIZE_T_DECLARED */

#ifndef _INTMAX_T_DECLARED
#define _INTMAX_T_DECLARED 1
typedef __intmax_t		intmax_t;
#endif /* not _INTMAX_T_DECLARED */

#ifndef _UINTMAX_T_DECLARED
#define _UINTMAX_T_DECLARED 1
typedef __uintmax_t		uintmax_t;
#endif /* not _UINTMAX_T_DECLARED */

#ifndef _WCHAR_T_DECLARED
#define _WCHAR_T_DECLARED 1
typedef ___wchar_t 		wchar_t;
#endif /* not _WCHAR_T_DECLARED */

#ifndef _WINT_T_DECLARED
#define _WINT_T_DECLARED 1
typedef __WINT_TYPE__		wint_t;
#endif /* not _WINT_T_DECLARED */

#ifndef _REGISTER_T_DECLARED
#define _REGISTER_T_DECLARED 1
typedef __register_t		register_t;
#endif /* not _REGISTER_T_DECLARED */

#ifndef _U_REGISTER_T_DECLARED
#define _U_REGISTER_T_DECLARED 1
typedef __u_register_t		u_register_t;
#endif /* not _U_REGISTER_T_DECLARED */

/**
 * @brief The primitive atomic integral type.
 * For use with the APIs defined in `arch/atom.h`.
 */
typedef struct {
	volatile int _value;
} atom_t;

/** @brief Atom definition body for static initialization of higher level components. */
#define ATOM_DEFINE(val) { ._value = (val) }

/**
 * @brief A long, but atomic.
 * For use with the APIs defined in `arch/atom.h`.
 */
typedef struct {
	volatile long _value;
} latom_t;

#define LATOM_DEFINE(val) { ._value = (val) }

/**
 * @brief A pointer, but atomic.
 * For use with the APIs defined in `arch/atom.h`.
 */
typedef struct {
	void *volatile _ptr;
} patom_t;

#define PATOM_DEFINE(ptr) { ._ptr = (ptr) }

#ifndef _PID_T_DECLARED
#define _PID_T_DECLARED 1
typedef int			pid_t;
#endif /* not _PID_T_DECLARED */