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51 lines
994 B
51 lines
994 B
use nix::{ |
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unistd::{ |
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getppid, |
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setsid, |
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fork, |
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ForkResult, |
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close as fdclose, |
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chdir |
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}, |
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sys::signal::{ |
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signal, |
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Signal, |
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SigHandler |
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} |
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}; |
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use std::process::exit; |
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pub fn daemonize() { |
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if getppid().as_raw() != 1 { |
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setsig(Signal::SIGTTOU, SigHandler::SigIgn); |
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setsig(Signal::SIGTTIN, SigHandler::SigIgn); |
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setsig(Signal::SIGTSTP, SigHandler::SigIgn); |
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} |
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for fd in 0..=2 { |
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match fdclose(fd) { _ => () } |
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} |
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match chdir("/") { _ => () }; |
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match fork() { |
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Ok(ForkResult::Parent {..}) => { |
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exit(0); |
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}, |
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Ok(ForkResult::Child) => { |
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match setsid() { _ => () } |
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} |
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Err(_) => { |
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exit(255) |
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} |
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} |
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} |
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pub fn setsig(sig: Signal, hnd: SigHandler) { |
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unsafe { |
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signal(sig, hnd).unwrap(); |
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} |
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} |
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pub fn vec_to_string(v: &Vec<u8>) -> String { |
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String::from_utf8_lossy(v).to_string() |
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} |