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Make posix_spawn faster on Windows

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This commit is contained in:
Justine Tunney 2023-08-20 02:13:02 -07:00
parent d6f72aa4a6
commit ec957491ea
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GPG key ID: BE714B4575D6E328
15 changed files with 514 additions and 123 deletions
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20
libc/thread/pthread_create.c
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@ -71,6 +71,26 @@ void _pthread_free(struct PosixThread *pt) {
free(pt);
}
void pthread_kill_siblings_np(void) {
struct Dll *e, *e2;
struct PosixThread *pt, *self;
enum PosixThreadStatus status;
self = (struct PosixThread *)__get_tls()->tib_pthread;
pthread_spin_lock(&_pthread_lock);
for (e = dll_first(_pthread_list); e; e = e2) {
e2 = dll_next(_pthread_list, e);
pt = POSIXTHREAD_CONTAINER(e);
if (pt != self) {
status = atomic_load_explicit(&pt->status, memory_order_acquire);
pthread_kill((pthread_t)pt, SIGKILL);
dll_remove(&_pthread_list, e);
pthread_spin_unlock(&_pthread_lock);
_pthread_free(pt);
}
}
pthread_spin_unlock(&_pthread_lock);
}
static int PosixThread(void *arg, int tid) {
void *rc;
struct sigaltstack ss;