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