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https://github.com/openai/codex.git
synced 2026-10-20 17:38:45 +00:00
Eric Traut
8519cde1ba
## What changed For managed app-server daemons using Unix sockets, raise the soft `RLIMIT_NOFILE` limit to 4096 at startup, capped by the inherited hard limit. Preserve existing higher soft limits and log a warning if the adjustment fails. GitOrigin-RevId: 2ef27370e55cd86a7a62cbc3d47041933b89ac21
27 lines
855 B
Rust
27 lines
855 B
Rust
//! Unix process setup specific to a managed app-server daemon.
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use std::io;
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const NOFILE_LIMIT: libc::rlim_t = 4096;
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pub(crate) fn raise_nofile_limit() -> io::Result<()> {
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let mut limit = libc::rlimit {
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rlim_cur: 0,
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rlim_max: 0,
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};
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// SAFETY: getrlimit initializes the stack-owned resource-limit structure.
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if unsafe { libc::getrlimit(libc::RLIMIT_NOFILE, &raw mut limit) } == -1 {
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return Err(io::Error::last_os_error());
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}
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let target = limit.rlim_cur.max(limit.rlim_max.min(NOFILE_LIMIT));
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if target == limit.rlim_cur {
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return Ok(());
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}
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limit.rlim_cur = target;
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// SAFETY: the requested soft limit does not exceed the inherited hard limit.
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if unsafe { libc::setrlimit(libc::RLIMIT_NOFILE, &limit) } == -1 {
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return Err(io::Error::last_os_error());
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}
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Ok(())
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}
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