Files
RedBear-OS/src/header/fcntl/mod.rs
T
2024-01-11 13:08:06 +00:00

76 lines
1.8 KiB
Rust

//! fcntl implementation for Redox, following http://pubs.opengroup.org/onlinepubs/7908799/xsh/fcntl.h.html
use crate::{
c_str::CStr,
platform::{types::*, Pal, Sys},
};
pub use self::sys::*;
#[cfg(target_os = "linux")]
#[path = "linux.rs"]
pub mod sys;
#[cfg(target_os = "redox")]
#[path = "redox.rs"]
pub mod sys;
pub const F_DUPFD: c_int = 0;
pub const F_GETFD: c_int = 1;
pub const F_SETFD: c_int = 2;
pub const F_GETFL: c_int = 3;
pub const F_SETFL: c_int = 4;
pub const F_GETLK: c_int = 5;
pub const F_SETLK: c_int = 6;
pub const F_SETLKW: c_int = 7;
pub const F_RDLCK: c_int = 0;
pub const F_WRLCK: c_int = 1;
pub const F_UNLCK: c_int = 2;
pub const F_ULOCK: c_int = 0;
pub const F_LOCK: c_int = 1;
pub const F_TLOCK: c_int = 2;
pub const F_TEST: c_int = 3;
#[no_mangle]
pub unsafe extern "C" fn creat(path: *const c_char, mode: mode_t) -> c_int {
open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)
}
#[repr(C)]
#[derive(Clone, Copy, Default)]
pub struct flock {
pub l_type: c_short,
pub l_whence: c_short,
pub l_start: off_t,
pub l_len: off_t,
pub l_pid: pid_t,
}
#[no_mangle]
pub unsafe extern "C" fn fcntl(fildes: c_int, cmd: c_int, mut __valist: ...) -> c_int {
// c_ulonglong
let arg = match cmd {
F_DUPFD | F_SETFD | F_SETFL | F_SETLK | F_SETLKW | F_GETLK => __valist.arg::<c_ulonglong>(),
_ => 0,
};
Sys::fcntl(fildes, cmd, arg)
}
#[no_mangle]
pub unsafe extern "C" fn open(path: *const c_char, oflag: c_int, mut __valist: ...) -> c_int {
let mode = if oflag & O_CREAT == O_CREAT
/* || oflag & O_TMPFILE == O_TMPFILE */
{
__valist.arg::<mode_t>()
} else {
0
};
let path = CStr::from_ptr(path);
Sys::open(path, oflag, mode)
}
#[no_mangle]
pub unsafe extern "C" fn cbindgen_stupid_struct_user_for_fcntl(a: flock) {}