//
const std = @import("../std.zig");
const builtin = std.builtin;

usingnamespace std.c;

extern "c" fn _errnop() *c_int;

pub const _errno = _errnop;

pub extern "c" fn find_directory(which: c_int, volume: i32, createIt: bool, path_ptr: [*]u8, length: i32) u64;

pub extern "c" fn find_thread(thread_name: ?*c_void) i32;

pub extern "c" fn get_system_info(system_info: *system_info) usize;

// TODO revisit if abi changes or better option becomes apparent
pub extern "c" fn _get_next_image_info(team: c_int, cookie: *i32, image_info: *image_info) usize;

pub extern "c" fn _kern_read_dir(fd: c_int, buf_ptr: [*]u8, nbytes: usize, maxcount: u32) usize;

pub extern "c" fn _kern_read_stat(fd: c_int, path_ptr: [*]u8, traverse_link: bool, libc_stat: *libc_stat, stat_size: i32) usize;

pub extern "c" fn _kern_get_current_team() i32;

pub const sem_t = extern struct {
    _magic: u32,
    _kern: extern struct {
        _count: u32,
        _flags: u32,
    },
    _padding: u32,
};

pub const pthread_attr_t = extern struct {
    __detach_state: i32,
    __sched_priority: i32,
    __stack_size: i32,
    __guard_size: i32,
    __stack_address: ?*c_void,
};

pub const pthread_mutex_t = extern struct {
    flags: u32 = 0,
    lock: i32 = 0,
    unused: i32 = -42,
    owner: i32 = -1,
    owner_count: i32 = 0,
};
pub const pthread_cond_t = extern struct {
    flags: u32 = 0,
    unused: i32 = -42,
    mutex: ?*c_void = null,
    waiter_count: i32 = 0,
    lock: i32 = 0,
};
pub const pthread_rwlock_t = extern struct {
    flags: u32 = 0,
    owner: i32 = -1,
    lock_sem: i32 = 0,
    lock_count: i32 = 0,
    reader_count: i32 = 0,
    writer_count: i32 = 0,
    waiters: [2]?*c_void = [_]?*c_void{ null, null },
};

pub const EAI = enum(c_int) {
    /// address family for hostname not supported
    ADDRFAMILY = 1,

    /// name could not be resolved at this time
    AGAIN = 2,

    /// flags parameter had an invalid value
    BADFLAGS = 3,

    /// non-recoverable failure in name resolution
    FAIL = 4,

    /// address family not recognized
    FAMILY = 5,

    /// memory allocation failure
    MEMORY = 6,

    /// no address associated with hostname
    NODATA = 7,

    /// name does not resolve
    NONAME = 8,

    /// service not recognized for socket type
    SERVICE = 9,

    /// intended socket type was not recognized
    SOCKTYPE = 10,

    /// system error returned in errno
    SYSTEM = 11,

    /// invalid value for hints
    BADHINTS = 12,

    /// resolved protocol is unknown
    PROTOCOL = 13,

    /// argument buffer overflow
    OVERFLOW = 14,

    _,
};

pub const EAI_MAX = 15;