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std: treat ENFILE as transient in the pidfd support probe #158486

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std: treat ENFILE as transient in the pidfd support probe #158486

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22c9087
std: treat ENFILE as transient in the pidfd support probe
valentynkit Jun 27, 2026
77e396d
std: treat ENOMEM as transient in the pidfd support probe
valentynkit Jun 28, 2026
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4 changes: 2 additions & 2 deletions library/std/src/sys/process/unix/unix.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -510,8 +510,8 @@ impl Command {
support = SPAWN;
}
}
Err(e) if e.raw_os_error() == Some(libc::EMFILE) => {
// We're temporarily(?) out of file descriptors. In this case pidfd_spawnp would also fail
Err(e) if matches!(e.raw_os_error(), Some(libc::EMFILE | libc::ENFILE | libc::ENOMEM)) => {
// We're temporarily(?) out of file descriptors or memory. In this case pidfd_spawnp would also fail
// Don't update the support flag so we can probe again later.
return Err(e)
}
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