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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
library/std/src/sys/solid/mod.rs
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@ -56,7 +56,7 @@ pub mod locks {
// SAFETY: must be called only once during runtime initialization.
// NOTE: this is not guaranteed to run, for example when Rust code is called externally.
pub unsafe fn init(_argc: isize, _argv: *const *const u8) {}
pub unsafe fn init(_argc: isize, _argv: *const *const u8, _sigpipe: u8) {}
// SAFETY: must be called only once during runtime cleanup.
pub unsafe fn cleanup() {}