fecfc0e6cc
Make `std:🧵:available_concurrency` support process-limited number of CPUs
Use `libc::sched_getaffinity` and count the number of CPUs in the returned mask. This handles cases where the process doesn't have access to all CPUs, such as when limited via `taskset` or similar.
This also covers cgroup cpusets.
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| benches | ||
| primitive_docs | ||
| src | ||
| tests | ||
| build.rs | ||
| Cargo.toml | ||