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Wrap sched_getaffinity

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Fixes #385
This commit is contained in:
Justine Tunney 2022-05-12 07:22:57 -07:00
parent 335d158ab6
commit ec6e0fa5f4
8 changed files with 93 additions and 10 deletions
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5
libc/runtime/getcpucount.c
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@ -36,9 +36,8 @@
static unsigned GetCpuCountLinux(void) {
uint64_t s[16];
unsigned i, c, n;
if ((n = sched_getaffinity(0, sizeof(s), s)) > 0) {
assert(!(n & 7));
for (n >>= 3, c = i = 0; i < n; ++i) {
if (!sched_getaffinity(0, sizeof(s), s)) {
for (c = i = 0; i < ARRAYLEN(s); ++i) {
c += popcnt(s[i]);
}
return c;