diff options
| -rw-r--r-- | library/std/src/os/fd/owned.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/library/std/src/os/fd/owned.rs b/library/std/src/os/fd/owned.rs index 8c7fc4cb2e4..a1f83029d27 100644 --- a/library/std/src/os/fd/owned.rs +++ b/library/std/src/os/fd/owned.rs @@ -175,6 +175,11 @@ impl Drop for OwnedFd { // the file descriptor was closed or not, and if we retried (for // something like EINTR), we might close another valid file descriptor // opened after we closed ours. + // However, this is usually justified, as some of the major Unices + // do make sure to always close the FD, even when `close()` is interrupted, + // and the scenario is rare to begin with. + // Helpful link to an epic discussion by POSIX workgroup: + // http://austingroupbugs.net/view.php?id=529 #[cfg(not(target_os = "hermit"))] { #[cfg(unix)] |