// None of the Go runtime is initialized.
//
//go:nosplit
//go:nowritebarrierrec
func libpreinit() {
	initsig(true)
}

// Ms related functions
func mpreinit(mp *m) {
	mp.gsignal = malg(32 * 1024) // AIX wants >= 8K
	mp.gsignal.m = mp
}

// errno address must be retrieved by calling _Errno libc function.
// This will return a pointer to errno.
func miniterrno() {
	mp := getg().m

	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).
// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
func mpreinit(mp *m) {
	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
}

// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, cannot allocate memory.
func minit() {
	getg().m.procid = uint64(lwp_gettid())

			ret = callCgoSigaction(uintptr(sig), new, old)
		default:
			// We're running on g's stack, so either we're not in a signal handler or
			// the signal handler has set the correct g.  If we're on gsignal or g0,
			// systemstack will make the call directly; otherwise, it will switch to
			// g0 to ensure we have enough room to call a libc function.
			//
			// The function literal that we pass to systemstack is not nosplit, but

	}
	if cgoIsGoPointer(unsafe.Pointer(dst)) {
		return
	}

	// If we are running on the system stack then dst might be an
	// address on the stack, which is OK.
	gp := getg()
	if gp == gp.m.g0 || gp == gp.m.gsignal {
		return
	}

	// Allocating memory can write to various mfixalloc structs
	// that look like they are non-Go memory.
	if gp.m.mallocing != 0 {
		return
	}