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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/process/nofile-limit.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/process/nofile-limit.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/test/ui/process/nofile-limit.rs b/src/test/ui/process/nofile-limit.rs new file mode 100644 index 000000000..3ddf8d6ef --- /dev/null +++ b/src/test/ui/process/nofile-limit.rs @@ -0,0 +1,46 @@ +// Check that statically linked binary executes successfully +// with RLIMIT_NOFILE resource lowered to zero. Regression +// test for issue #96621. +// +// run-pass +// dont-check-compiler-stderr +// only-linux +// no-prefer-dynamic +// compile-flags: -Ctarget-feature=+crt-static -Crpath=no -Crelocation-model=static +#![feature(exit_status_error)] +#![feature(rustc_private)] +extern crate libc; + +use std::os::unix::process::CommandExt; +use std::process::Command; + +fn main() { + let mut args = std::env::args(); + let this = args.next().unwrap(); + match args.next().as_deref() { + None => { + let mut cmd = Command::new(this); + cmd.arg("Ok!"); + unsafe { + cmd.pre_exec(|| { + let rlim = libc::rlimit { + rlim_cur: 0, + rlim_max: 0, + }; + if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) == -1 { + Err(std::io::Error::last_os_error()) + } else { + Ok(()) + } + }) + }; + let output = cmd.output().unwrap(); + println!("{:?}", output); + output.status.exit_ok().unwrap(); + assert!(output.stdout.starts_with(b"Ok!")); + } + Some(word) => { + println!("{}", word); + } + } +} |