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more small highlighter tune ups

2>&1 style redirections now work properly
This commit is contained in:
pagedmov
2026-02-18 21:53:36 -05:00
parent 01684cf8e5
commit 3b698628c6
22 changed files with 511 additions and 188 deletions
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17
src/signal.rs
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@@ -29,38 +29,30 @@ pub fn signals_pending() -> bool {
pub fn check_signals() -> ShResult<()> {
if GOT_SIGINT.swap(false, Ordering::SeqCst) {
log::debug!("check_signals: processing SIGINT");
interrupt()?;
return Err(ShErr::simple(ShErrKind::ClearReadline, ""));
}
if GOT_SIGHUP.swap(false, Ordering::SeqCst) {
log::debug!("check_signals: processing SIGHUP");
hang_up(0);
}
if GOT_SIGTSTP.swap(false, Ordering::SeqCst) {
log::debug!("check_signals: processing SIGTSTP");
terminal_stop()?;
}
if REAPING_ENABLED.load(Ordering::SeqCst) && GOT_SIGCHLD.swap(false, Ordering::SeqCst) {
log::debug!("check_signals: processing SIGCHLD (reaping enabled)");
wait_child()?;
} else if GOT_SIGCHLD.load(Ordering::SeqCst) {
log::debug!("check_signals: SIGCHLD pending but reaping disabled");
}
if SHOULD_QUIT.load(Ordering::SeqCst) {
let code = QUIT_CODE.load(Ordering::SeqCst);
log::debug!("check_signals: SHOULD_QUIT set, exiting with code {}", code);
return Err(ShErr::simple(ShErrKind::CleanExit(code), "exit"));
}
Ok(())
}
pub fn disable_reaping() {
log::debug!("disable_reaping: turning off SIGCHLD processing");
REAPING_ENABLED.store(false, Ordering::SeqCst);
}
pub fn enable_reaping() {
log::debug!("enable_reaping: turning on SIGCHLD processing");
REAPING_ENABLED.store(true, Ordering::SeqCst);
}
@@ -166,13 +158,10 @@ extern "C" fn handle_sigint(_: libc::c_int) {
}
pub fn interrupt() -> ShResult<()> {
log::debug!("interrupt: checking for fg job to send SIGINT");
write_jobs(|j| {
if let Some(job) = j.get_fg_mut() {
log::debug!("interrupt: sending SIGINT to fg job pgid {}", job.pgid());
job.killpg(Signal::SIGINT)
} else {
log::debug!("interrupt: no fg job, clearing readline");
Ok(())
}
})
@@ -188,28 +177,22 @@ extern "C" fn handle_sigchld(_: libc::c_int) {
}
pub fn wait_child() -> ShResult<()> {
log::debug!("wait_child: starting reap loop");
let flags = WtFlag::WNOHANG | WtFlag::WSTOPPED;
while let Ok(status) = waitpid(None, Some(flags)) {
match status {
WtStat::Exited(pid, code) => {
log::debug!("wait_child: pid {} exited with code {}", pid, code);
child_exited(pid, status)?;
}
WtStat::Signaled(pid, signal, _) => {
log::debug!("wait_child: pid {} signaled with {:?}", pid, signal);
child_signaled(pid, signal)?;
}
WtStat::Stopped(pid, signal) => {
log::debug!("wait_child: pid {} stopped with {:?}", pid, signal);
child_stopped(pid, signal)?;
}
WtStat::Continued(pid) => {
log::debug!("wait_child: pid {} continued", pid);
child_continued(pid)?;
}
WtStat::StillAlive => {
log::debug!("wait_child: no more children to reap");
break;
}
_ => unimplemented!(),