private static void init()
{
registerInit("LockOSThreadMain", () =>
{
// init is guaranteed to run on the main thread.
mainThread = C.pthread_self();
});
register("LockOSThreadMain", LockOSThreadMain);
registerInit("LockOSThreadAlt", () =>
{
// Lock the OS thread now so main runs on the main thread.
runtime.LockOSThread();
});
register("LockOSThreadAlt", LockOSThreadAlt);
}
public static void LockOSThreadAlt()
{
// This is running locked to the main OS thread.
C.pthread_t subThread = default;
var ready = make_channel <bool>(1L);
C.threadExited = 0L;
go_(() => () =>
{
// This goroutine must be running on a new thread.
runtime.LockOSThread();
subThread = C.pthread_self();
// Register a pthread destructor so we can tell this
// thread has exited.
ref C.pthread_key_t key = ref heap(out ptr <C.pthread_key_t> _addr_key);
C.pthread_key_create(_addr_key, new ptr <ptr <array <byte> > >(@unsafe.Pointer(C.setExited)));
C.pthread_setspecific(key, @unsafe.Pointer(@new <int>()));
ready.Send(true);
// Exit with the thread locked.
} ());
