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51 lines
951 B

4 years ago
use nix::{
unistd::{
getppid,
setsid,
fork,
ForkResult,
close as fdclose,
chdir
},
sys::signal::{
signal,
Signal,
SigHandler
}
};
use std::process::exit;
pub fn daemonize() {
if getppid().as_raw() != 1 {
setsig(Signal::SIGTTOU, SigHandler::SigIgn);
setsig(Signal::SIGTTIN, SigHandler::SigIgn);
setsig(Signal::SIGTSTP, SigHandler::SigIgn);
}
for fd in 0..=2 {
match fdclose(fd) { _ => () }
}
match chdir("/") { _ => () };
match fork() {
Ok(ForkResult::Parent {..}) => {
exit(0);
},
Ok(ForkResult::Child) => {
match setsid() { _ => () }
}
Err(_) => {
exit(255)
}
}
}
pub fn setsig(sig: Signal, hnd: SigHandler) {
unsafe {
signal(sig, hnd).unwrap();
}
}
/*
pub fn generate_auth_token() -> String {
}*/