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Make fixes and improvements

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- clock_nanosleep() is now much faster on OpenBSD and NetBSD
- Thread joining is now much faster on NetBSD
- FreeBSD timestamps are now more accurate
- Thread spawning now goes faster on XNU
- Clean up the clone() code
This commit is contained in:
Justine Tunney 2022-11-08 10:09:47 -08:00
parent aee50b1327
commit b407327972
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GPG key ID: BE714B4575D6E328
47 changed files with 645 additions and 306 deletions
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22
libc/thread/pthread_getunique_np.c
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@ -16,12 +16,26 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/intrin/atomic.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
/**
* Returns thread id of POSIX thread.
* Returns system thread id of POSIX thread.
*
* @return 0 on success, or errno on error
*/
int64_t pthread_getunique_np(pthread_t thread) {
struct PosixThread *pt = (struct PosixThread *)thread;
return pt->tid;
errno_t pthread_getunique_np(pthread_t thread, pthread_id_np_t *out_tid) {
int tid;
struct PosixThread *pt;
for (pt = (struct PosixThread *)thread;;) {
tid = atomic_load_explicit(&pt->ptid, memory_order_acquire);
if (!tid) {
pthread_yield();
} else {
*out_tid = tid;
return 0;
}
}
}