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Make more improvements to threading support

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- fix rare thread exit race condition on openbsd
- pthread_getattr_np() now supplies detached status
- child threads may now pthread_join() the main thread
- introduce sigandset(), sigorset(), and sigisemptyset()
- introduce pthread_cleanup_push() and pthread_cleanup_pop()
This commit is contained in:
Justine Tunney 2022-10-08 23:54:05 -07:00
parent 38df0a4186
commit 4a6fd3d910
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GPG key ID: BE714B4575D6E328
52 changed files with 586 additions and 241 deletions
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8
libc/thread/pthread_attr_setstack.c
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@ -65,15 +65,15 @@
errno_t pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr,
size_t stacksize) {
if (!stackaddr) {
attr->stackaddr = 0;
attr->stacksize = 0;
attr->__stackaddr = 0;
attr->__stacksize = 0;
return 0;
}
if (stacksize < PTHREAD_STACK_MIN ||
(IsAsan() && !__asan_is_valid(stackaddr, stacksize))) {
return EINVAL;
}
attr->stackaddr = stackaddr;
attr->stacksize = stacksize;
attr->__stackaddr = stackaddr;
attr->__stacksize = stacksize;
return 0;
}