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HW_AVAILCPU is unavailable under openbsd 

define `num_cpus()` function for openbsd that use `HW_NCPU` for grabbing
the current number of cpus that could be used.
This commit is contained in:
Sébastien Marie 2015-12-23 11:28:24 +01:00
parent cb3999cd83
commit 468959580a
1 changed files with 18 additions and 1 deletions
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19
src/libtest/lib.rs
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@ -919,7 +919,6 @@ fn get_concurrency() -> usize {
#[cfg(any(target_os = "freebsd",
target_os = "dragonfly",
target_os = "bitrig",
target_os = "openbsd",
target_os = "netbsd"))]
fn num_cpus() -> usize {
let mut cpus: libc::c_uint = 0;
@ -946,6 +945,24 @@ fn get_concurrency() -> usize {
}
cpus as usize
}
#[cfg(target_os = "openbsd")]
fn num_cpus() -> usize {
let mut cpus: libc::c_uint = 0;
let mut cpus_size = std::mem::size_of_val(&cpus);
let mut mib = [libc::CTL_HW, libc::HW_NCPU, 0, 0];
unsafe {
libc::sysctl(mib.as_mut_ptr(), 2,
&mut cpus as *mut _ as *mut _,
&mut cpus_size as *mut _ as *mut _,
0 as *mut _, 0);
}
if cpus < 1 {
cpus = 1;
}
cpus as usize
}
}
pub fn filter_tests(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> Vec<TestDescAndFn> {