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| author | The 8472 <git@infinite-source.de> | 2022-03-03 00:36:23 +0100 |
|---|---|---|
| committer | The 8472 <git@infinite-source.de> | 2022-03-03 00:43:46 +0100 |
| commit | e18abbf2ac544ef744c5aa95df434b2c81c066a2 (patch) | |
| tree | 557551c03c51dd2b6fcf7936bc7b98732766ca0c /library/std/src | |
| parent | af6d2ed24557694ff7d32bf2a29a6cd5aaade859 (diff) | |
| download | rust-e18abbf2ac544ef744c5aa95df434b2c81c066a2.tar.gz rust-e18abbf2ac544ef744c5aa95df434b2c81c066a2.zip | |
update available_parallelism docs since cgroups and sched_getaffinity are now taken into account
Diffstat (limited to 'library/std/src')
| -rw-r--r-- | library/std/src/thread/mod.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index beb60609934..09d1e714ab6 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -1524,7 +1524,10 @@ fn _assert_sync_and_send() { /// /// On Linux: /// - It may overcount the amount of parallelism available when limited by a -/// process-wide affinity mask, or when affected by cgroup limits. +/// process-wide affinity mask or cgroup quotas and cgroup2 fs or `sched_getaffinity()` can't be +/// queried, e.g. due to sandboxing. +/// - It may undercount the amount of parallelism if the current thread's affinity mask +/// does not reflect the process' cpuset, e.g. due to pinned threads. /// /// On all targets: /// - It may overcount the amount of parallelism available when running in a VM |