pid.rs
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pid.rs
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	use crate::helpers;
	use global_placeholders::global;
	use macros_rs::crashln;
	use std::fs;

	pub fn exists() -> bool { fs::metadata(global!("pmc.pid")).is_ok() }
	pub fn running(pid: i32) -> bool { unsafe { libc::kill(pid, 0) == 0 } }

	pub fn write(pid: u32) {
	if let Err(err) = fs::write(global!("pmc.pid"), pid.to_string()) {
	crashln!("{} Failed to write PID to file: {}", *helpers::FAIL, err);
	}
	}

	pub fn remove() {
	log::debug!("Stale PID file detected. Removing the PID file.");
	if let Err(err) = fs::remove_file(global!("pmc.pid")) {
	crashln!("{} Failed to remove PID file: {}", *helpers::FAIL, err);
	}
	}