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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use deno_core::ErrBox;
#[cfg(not(unix))]
const SIGINT: i32 = 2;
#[cfg(not(unix))]
const SIGKILL: i32 = 9;
#[cfg(not(unix))]
const SIGTERM: i32 = 15;
#[cfg(not(unix))]
use winapi::{
shared::minwindef::DWORD,
um::{
handleapi::CloseHandle,
processthreadsapi::{OpenProcess, TerminateProcess},
winnt::PROCESS_TERMINATE,
},
};
#[cfg(unix)]
pub fn kill(pid: i32, signo: i32) -> Result<(), ErrBox> {
use nix::sys::signal::{kill as unix_kill, Signal};
use nix::unistd::Pid;
use std::convert::TryFrom;
let sig = Signal::try_from(signo)?;
unix_kill(Pid::from_raw(pid), Option::Some(sig)).map_err(ErrBox::from)
}
#[cfg(not(unix))]
pub fn kill(pid: i32, signal: i32) -> Result<(), ErrBox> {
match signal {
SIGINT | SIGKILL | SIGTERM => {
if pid <= 0 {
return Err(ErrBox::type_error("unsupported pid"));
}
unsafe {
let handle = OpenProcess(PROCESS_TERMINATE, 0, pid as DWORD);
if handle.is_null() {
return Err(ErrBox::last_os_error());
}
if TerminateProcess(handle, 1) == 0 {
CloseHandle(handle);
return Err(ErrBox::last_os_error());
}
if CloseHandle(handle) == 0 {
return Err(ErrBox::last_os_error());
}
}
}
_ => {
return Err(ErrBox::type_error("unsupported signal"));
}
}
Ok(())
}
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