#pragma once

/* Kernel and user header (via symlink) */

#ifdef __KERNEL__
#include "types.h"
#else

#include "sys/types.h"

#endif

/* Trap number for syscalls */
#define INTR_SYSCALL 0x2e

/* Keep all lists IN ORDER! */

#define SYS_syscall 0
#define SYS_exit 1
#define SYS_fork 2
#define SYS_read 3
#define SYS_write 4
#define SYS_open 5
#define SYS_close 6
#define SYS_waitpid 7
#define SYS_link 8
#define SYS_unlink 9
#define SYS_execve 10
#define SYS_chdir 11
#define SYS_sleep 12 /* NYI */
#define SYS_lseek 14
#define SYS_sync 15
#define SYS_nuke 16 /* NYI */
#define SYS_dup 17
#define SYS_pipe 18
#define SYS_ioctl 19 /* NYI */
#define SYS_rmdir 21
#define SYS_mkdir 22
#define SYS_getdents 23
#define SYS_mmap 24
#define SYS_mprotect 25 /* NYI */
#define SYS_munmap 26
#define SYS_rename 27 /* NYI */
#define SYS_uname 28
#define SYS_thr_create 29 /* NYI */
#define SYS_thr_cancel 30
#define SYS_thr_exit 31
#define SYS_sched_yield 32
#define SYS_thr_join 33 /* NYI */
#define SYS_gettid 34   /* NYI */
#define SYS_getpid 35
#define SYS_errno 39
#define SYS_halt 40
#define SYS_get_free_mem 41 /* NYI */
#define SYS_set_errno 42
#define SYS_dup2 43
#define SYS_brk 44
#define SYS_mount 45
#define SYS_umount 46
#define SYS_stat 47
#define SYS_time 48
#define SYS_usleep 49

/*
 * ... what does the scouter say about his syscall?
 * IT'S OVER 9000!
 * WHAT?! 9000?!
 */
#define SYS_debug 9001
#define SYS_kshell 9002

struct regs;
struct stat;

typedef struct argstr
{
    const char *as_str;
    size_t as_len; /* Not including null character */
} argstr_t;

typedef struct argvec
{
    argstr_t *av_vec;
    size_t av_len; /* Not including null entry */
} argvec_t;

typedef struct waitpid_args
{
    pid_t wpa_pid;
    int *wpa_status;
    int wpa_options;
} waitpid_args_t;

typedef struct mmap_args
{
    void *mma_addr;
    size_t mma_len;
    int mma_prot;
    int mma_flags;
    int mma_fd;
    off_t mma_off;
} mmap_args_t;

typedef struct munmap_args
{
    void *addr;
    size_t len;
} munmap_args_t;

typedef struct open_args
{
    argstr_t filename;
    int flags;
    int mode;
} open_args_t;

typedef struct read_args
{
    int fd;
    void *buf;
    size_t nbytes;
} read_args_t;

typedef struct write_args
{
    int fd;
    void *buf;
    size_t nbytes;
} write_args_t;

typedef struct mkdir_args
{
    argstr_t path;
    int mode;
} mkdir_args_t;

typedef struct link_args
{
    argstr_t to;
    argstr_t from;
} link_args_t;

typedef struct execve_args
{
    argstr_t filename;
    argvec_t argv;
    argvec_t envp;
} execve_args_t;

typedef struct rename_args
{
    argstr_t oldpath;
    argstr_t newpath;
} rename_args_t;

typedef struct getdents_args
{
    int fd;
    struct dirent *dirp;
    size_t count;
} getdents_args_t;

typedef struct lseek_args
{
    int fd;
    off_t offset;
    int whence;
} lseek_args_t;

typedef struct dup2_args
{
    int ofd;
    int nfd;
} dup2_args_t;

#ifdef __MOUNTING__
typedef struct mount_args
{
    argstr_t spec;
    argstr_t dir;
    argstr_t fstype;
} mount_args_t;
#endif

typedef struct stat_args
{
    argstr_t path;
    struct stat *buf;
} stat_args_t;

typedef struct usleep_args
{
    useconds_t usec;
} usleep_args_t;

struct utsname;