if (x_cgo_inittls) {
		x_cgo_inittls(tlsg, tlsbase);
	}
}

void
_cgo_sys_thread_start(ThreadStart *ts)
{
	pthread_attr_t attr;
	sigset_t ign, oset;
	pthread_t p;
	size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;

	// Finally, create the thread. It starts at mstart_stub, which does some low-level
	// setup and then calls mstart.
	var oset sigset
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	err := retryOnEAGAIN(func() int32 {
		return pthread_create(&attr, abi.FuncPCABI0(mstart_stub), unsafe.Pointer(mp))
	})
	sigprocmask(_SIG_SETMASK, &oset, nil)
	if err != 0 {
		writeErrStr(failthreadcreate)
		exit(1)
	}

	pthread_attr_destroy(&attr)

		tf_stack: uintptr(stk) - goarch.PtrSize,
	}

	var oset sigset
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	ret := retryOnEAGAIN(func() int32 {
		errno := tfork(&param, unsafe.Sizeof(param), mp, mp.g0, abi.FuncPCABI0(mstart))
		// tfork returns negative errno
		return -errno
	})
	sigprocmask(_SIG_SETMASK, &oset, nil)

	if ret != 0 {

{
	setg_gcc = setg;
	_cgo_set_stacklo(g, NULL);
}


void
_cgo_sys_thread_start(ThreadStart *ts)
{
	pthread_attr_t attr;
	sigset_t ign, oset;
	pthread_t p;
	size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;

			continue
		}

		if negative {
			absent = append(absent, l)
		} else {
			present = append(present, l)
		}
	}

	pSet := NewSet(present...)
	aSet := NewSet(absent...)

	if pSet.containsAny(aSet) || aSet.containsAny(pSet) {
		return Selector{}, fmt.Errorf("conflicting selector specification: %q", s)
	}

	return NewSelector(present, absent), nil
}

	}
}

void
_cgo_sys_thread_start(ThreadStart *ts)
{
	pthread_attr_t attr;
	sigset_t ign, oset;
	pthread_t p;
	void *base;
	size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);

	if (pthread_attr_getstack(&attr, &base, &size) != 0)
		perror("runtime/cgo: pthread_attr_getstack failed");

	values [2000]Value
	blocks [200]Block
	locs   [2000]Location

	// Reusable stackAllocState.
	// See stackalloc.go's {new,put}StackAllocState.
	stackAllocState *stackAllocState

	scrPoset []*poset // scratch poset to be reused

	// Reusable regalloc state.
	regallocValues []valState

	ValueToProgAfter []*obj.Prog
	debugState       debugState

	Liveness interface{} // *gc.livenessFuncCache

static void (*setg_gcc)(void*);

void
_cgo_sys_thread_start(ThreadStart *ts)
{
	pthread_attr_t attr;
	sigset_t ign, oset;
	pthread_t p;
	size_t size;
	int err;

	//fprintf(stderr, "runtime/cgo: _cgo_sys_thread_start: fn=%p, g=%p\n", ts->fn, ts->g); // debug
	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	size = pthread_get_stacksize_np(pthread_self());
	pthread_attr_init(&attr);

	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	var ret int32
	for tries := 0; tries < 20; tries++ {
		// pthread_create can fail with EAGAIN for no reasons
		// but it will be ok if it retries.
		ret = pthread_create(&tid, &attr, fn, nil)
		if ret != _EAGAIN {
			break
		}
		usleep(uint32(tries+1) * 1000) // Milliseconds.
	}
	sigprocmask(_SIG_SETMASK, &oset, nil)
	if ret != 0 {

	// Finally, create the thread. It starts at mstart_stub, which does some low-level
	// setup and then calls mstart.
	var oset sigset
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	err = retryOnEAGAIN(func() int32 {
		return pthread_create(&attr, abi.FuncPCABI0(mstart_stub), unsafe.Pointer(mp))
	})
	sigprocmask(_SIG_SETMASK, &oset, nil)
	if err != 0 {
		writeErrStr(failthreadcreate)
		exit(1)
	}
}