1use crate::process::Pid;
2use crate::{backend, io};
3
4pub use backend::process::types::Signal;
5
6/// `kill(pid, sig)`—Sends a signal to a process.
7///
8/// # References
9///  - [POSIX]
10///  - [Linux]
11///
12/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
13/// [Linux]: https://man7.org/linux/man-pages/man2/kill.2.html
14#[inline]
15#[doc(alias = "kill")]
16pub fn kill_process(pid: Pid, sig: Signal) -> io::Result<()> {
17    backend::process::syscalls::kill_process(pid, sig)
18}
19
20/// `kill(-pid, sig)`—Sends a signal to all processes in a process group.
21///
22/// If `pid` is 1, this sends a signal to all processes the current process
23/// has permission to send signals to, except process `1`, possibly other
24/// system-specific processes, and on some systems, the current process.
25///
26/// # References
27///  - [POSIX]
28///  - [Linux]
29///
30/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
31/// [Linux]: https://man7.org/linux/man-pages/man2/kill.2.html
32#[inline]
33#[doc(alias = "kill")]
34pub fn kill_process_group(pid: Pid, sig: Signal) -> io::Result<()> {
35    backend::process::syscalls::kill_process_group(pid, sig)
36}
37
38/// `kill(0, sig)`—Sends a signal to all processes in the current process
39/// group.
40///
41/// # References
42///  - [POSIX]
43///  - [Linux]
44///
45/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
46/// [Linux]: https://man7.org/linux/man-pages/man2/kill.2.html
47#[inline]
48#[doc(alias = "kill")]
49pub fn kill_current_process_group(sig: Signal) -> io::Result<()> {
50    backend::process::syscalls::kill_current_process_group(sig)
51}
52