sourceturner
52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
//! `sys/wait.h` implementation.
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//!
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//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_wait.h.html>.
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use crate::{
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error::ResultExt,
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out::Out,
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platform::{
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Pal, Sys,
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types::{c_int, pid_t},
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},
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};
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pub const WNOHANG: c_int = 1;
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pub const WUNTRACED: c_int = 2;
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pub const WSTOPPED: c_int = 2;
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pub const WEXITED: c_int = 4;
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pub const WCONTINUED: c_int = 8;
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pub const WNOWAIT: c_int = 0x0100_0000;
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pub const __WNOTHREAD: c_int = 0x2000_0000;
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pub const __WALL: c_int = 0x4000_0000;
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#[allow(overflowing_literals)]
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pub const __WCLONE: c_int = 0x8000_0000;
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/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/wait.html>.
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#[unsafe(no_mangle)]
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pub unsafe extern "C" fn wait(stat_loc: *mut c_int) -> pid_t {
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unsafe { waitpid(!0, stat_loc, 0) }
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}
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/*
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* TODO: implement idtype_t, id_t, and siginfo_t
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*
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* #[unsafe(no_mangle)]
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* pub unsafe extern "C" fn waitid(
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* idtype: idtype_t,
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* id: id_t,
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* infop: siginfo_t,
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* options: c_int
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* ) -> c_int {
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* unimplemented!();
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* }
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*/
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/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/waitpid.html>.
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#[unsafe(no_mangle)]
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pub unsafe extern "C" fn waitpid(pid: pid_t, stat_loc: *mut c_int, options: c_int) -> pid_t {
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Sys::waitpid(pid, unsafe { Out::nullable(stat_loc) }, options).or_minus_one_errno()
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}
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