diff options
Diffstat (limited to 'library/std/src/thread/mod.rs')
| -rw-r--r-- | library/std/src/thread/mod.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index dff981c900c..8d3ab82ace1 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -2018,6 +2018,9 @@ fn _assert_sync_and_send() { /// which may take time on systems with large numbers of mountpoints. /// (This does not apply to cgroup v2, or to processes not in a /// cgroup.) +/// - It does not attempt to take `ulimit` into account. If there is a limit set on the number of +/// threads, `available_parallelism` cannot know how much of that limit a Rust program should +/// take, or know in a reliable and race-free way how much of that limit is already taken. /// /// On all targets: /// - It may overcount the amount of parallelism available when running in a VM |