Make futexes cancellable by pthreads

This commit is contained in:
Justine Tunney 2022-11-04 18:19:05 -07:00
parent 2278327eba
commit 022536cab6
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
101 changed files with 627 additions and 391 deletions

View file

@ -29,6 +29,7 @@
#include "libc/log/log.h"
#include "libc/runtime/internal.h"
#include "libc/runtime/runtime.h"
#include "libc/thread/thread.h"
#if SupportsMetal()
STATIC_YOINK("_idt");
@ -45,6 +46,7 @@ relegated wontreturn void __die(void) {
static atomic_int once;
owner = 0;
me = sys_gettid();
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, 0);
if (__vforked ||
atomic_compare_exchange_strong_explicit(
&once, &owner, me, memory_order_relaxed, memory_order_relaxed)) {