bjoernager/rust
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Support #[unix_sigpipe = "inherit|sig_dfl|sig_ign"] on fn main()

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This makes it possible to instruct libstd to never touch the signal
handler for `SIGPIPE`, which makes programs pipeable by default (e.g.
with `./your-program | head -n 1`) without `ErrorKind::BrokenPipe`
errors.
This commit is contained in:
Martin Nordholts 2022-07-05 19:56:22 +02:00
parent ee285eab69
commit ddee45e1d7
46 changed files with 449 additions and 43 deletions
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2
compiler/rustc_typeck/src/lib.rs
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@ -443,7 +443,7 @@ fn check_start_fn_ty(tcx: TyCtxt<'_>, start_def_id: DefId) {
fn check_for_entry_fn(tcx: TyCtxt<'_>) {
match tcx.entry_fn(()) {
Some((def_id, EntryFnType::Main)) => check_main_fn_ty(tcx, def_id),
Some((def_id, EntryFnType::Main { .. })) => check_main_fn_ty(tcx, def_id),
Some((def_id, EntryFnType::Start)) => check_start_fn_ty(tcx, def_id),
_ => {}
}