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author | Yuki Okushi <huyuumi.dev@gmail.com> | 2020-04-16 09:52:55 +0900 |
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committer | GitHub <noreply@github.com> | 2020-04-16 09:52:55 +0900 |
commit | 1da0baa684e1454a00c3421528754a5f941de3e5 (patch) | |
tree | a638af38ac4d19c1972725abb401fbb7b19a4626 | |
parent | 59d3dabee6ec4be288019e9b1f94c37e7559d4a7 (diff) | |
parent | be0f98a78eccf23f615dba07ec7f8c4cc1ba6eb0 (diff) | |
download | rust-libc-1da0baa684e1454a00c3421528754a5f941de3e5.tar.gz |
Merge pull request #1741 from kubo39/patch-CPU_ALLOC_SIZE
Add CPU_ALLOC_SIZE
-rw-r--r-- | src/unix/linux_like/linux/mod.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs index 5e410a6697..27d5ab2219 100644 --- a/src/unix/linux_like/linux/mod.rs +++ b/src/unix/linux_like/linux/mod.rs @@ -2620,6 +2620,12 @@ f! { } } + pub fn CPU_ALLOC_SIZE(count: ::c_int) -> ::size_t { + let _dummy: cpu_set_t = ::mem::zeroed(); + let size_in_bits = 8 * ::mem::size_of_val(&_dummy.bits[0]); + ((count as ::size_t + size_in_bits - 1) / 8) as ::size_t + } + pub fn CPU_ZERO(cpuset: &mut cpu_set_t) -> () { for slot in cpuset.bits.iter_mut() { *slot = 0; |