1 use crate::process::Pid;
2 use crate::{backend, io};
3 
4 pub use crate::signal::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")]
kill_process(pid: Pid, sig: Signal) -> io::Result<()>16 pub 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 has
23 /// 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")]
kill_process_group(pid: Pid, sig: Signal) -> io::Result<()>34 pub 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")]
kill_current_process_group(sig: Signal) -> io::Result<()>49 pub fn kill_current_process_group(sig: Signal) -> io::Result<()> {
50     backend::process::syscalls::kill_current_process_group(sig)
51 }
52 
53 /// `kill(pid, 0)`—Check validity of pid and permissions to send signals to
54 /// the process, without actually sending any signals.
55 ///
56 /// # References
57 ///  - [POSIX]
58 ///  - [Linux]
59 ///
60 /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
61 /// [Linux]: https://man7.org/linux/man-pages/man2/kill.2.html
62 #[inline]
63 #[doc(alias = "kill")]
test_kill_process(pid: Pid) -> io::Result<()>64 pub fn test_kill_process(pid: Pid) -> io::Result<()> {
65     backend::process::syscalls::test_kill_process(pid)
66 }
67 
68 /// `kill(-pid, 0)`—Check validity of pid and permissions to send signals to
69 /// all processes in the process group, without actually sending any signals.
70 ///
71 /// # References
72 ///  - [POSIX]
73 ///  - [Linux]
74 ///
75 /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
76 /// [Linux]: https://man7.org/linux/man-pages/man2/kill.2.html
77 #[inline]
78 #[doc(alias = "kill")]
test_kill_process_group(pid: Pid) -> io::Result<()>79 pub fn test_kill_process_group(pid: Pid) -> io::Result<()> {
80     backend::process::syscalls::test_kill_process_group(pid)
81 }
82 
83 /// `kill(0, 0)`—Check validity of pid and permissions to send signals to the
84 /// all processes in the current process group, without actually sending any
85 /// signals.
86 ///
87 /// # References
88 ///  - [POSIX]
89 ///  - [Linux]
90 ///
91 /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/kill.html
92 /// [Linux]: https://man7.org/linux/man-pages/man2/kill.2.html
93 #[inline]
94 #[doc(alias = "kill")]
test_kill_current_process_group() -> io::Result<()>95 pub fn test_kill_current_process_group() -> io::Result<()> {
96     backend::process::syscalls::test_kill_current_process_group()
97 }
98