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reaper: setup deathsig in compositor

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This commit is contained in:
Julian Orth 2025-05-10 20:03:34 +02:00
parent f97cb46315
commit b3334449a6
1 changed files with 8 additions and 0 deletions
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8
src/utils/clone3.rs
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@ -135,6 +135,7 @@ pub fn ensure_reaper() -> c::pid_t {
if let Ok(id) = env::var(REAPER_VAR) { if let Ok(id) = env::var(REAPER_VAR) {
if let Ok(id) = c::pid_t::from_str(&id) { if let Ok(id) = c::pid_t::from_str(&id) {
if uapi::getppid() == id { if uapi::getppid() == id {
set_deathsig();
return id; return id;
} }
} }
@ -157,6 +158,7 @@ pub fn ensure_reaper() -> c::pid_t {
unsafe { unsafe {
env::set_var(REAPER_VAR, reaper_pid.to_string()); env::set_var(REAPER_VAR, reaper_pid.to_string());
} }
set_deathsig();
return reaper_pid; return reaper_pid;
}; };
set_process_name("jay reaper"); set_process_name("jay reaper");
@ -167,3 +169,9 @@ pub fn ensure_reaper() -> c::pid_t {
} }
process::exit(1); process::exit(1);
} }
fn set_deathsig() {
unsafe {
c::prctl(c::PR_SET_PDEATHSIG, c::SIGKILL as c::c_ulong);
}
}