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/// This file is meant to house (OS specific) implementations on how to kill processes.
use crate::utils::error::BottomError;
use std::process::Command;
// Copied from SO: https://stackoverflow.com/a/55231715
#[cfg(target_os = "windows")]
use winapi::{
shared::{minwindef::DWORD, ntdef::HANDLE},
um::{
processthreadsapi::{OpenProcess, TerminateProcess},
winnt::{PROCESS_QUERY_INFORMATION, PROCESS_TERMINATE},
},
};
#[cfg(target_os = "windows")]
struct Process(HANDLE);
#[cfg(target_os = "windows")]
impl Process {
fn open(pid: DWORD) -> Result<Process, String> {
let pc = unsafe { OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_TERMINATE, 0, pid) };
if pc.is_null() {
return Err("!OpenProcess".to_string());
}
Ok(Process(pc))
}
fn kill(self) -> Result<(), String> {
unsafe { TerminateProcess(self.0, 1) };
Ok(())
}
}
/// Kills a process, given a PID.
pub fn kill_process_given_pid(pid: u32) -> crate::utils::error::Result<()> {
if cfg!(target_os = "linux") {
Command::new("kill").arg(pid.to_string()).output()?;
} else if cfg!(target_os = "windows") {
#[cfg(target_os = "windows")]
{
let process = Process::open(pid as DWORD)?;
process.kill()?;
}
} else if cfg!(target_os = "macos") {
// TODO: macOS
return Err(BottomError::GenericError {
message: "Sorry, macOS support is not implemented yet!".to_string(),
});
} else {
return Err(BottomError::GenericError {
message: "Sorry, support operating systems outside the main three are not implemented yet!".to_string(),
});
}
Ok(())
}
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