case _Grunning:
		if getg().m != h.mp {
			println("trap on wrong M", getg().m, h.mp)
			return false
		}
		// Save the signal context
		h.saveSigContext(ctxt)
		// Set PC to debugCallV2.
		ctxt.setsigpc(uint64(abi.FuncPCABIInternal(debugCallV2)))
		// Call injected. Switch to the debugCall protocol.
		testSigtrap = h.handleF
	case _Grunnable:
		// Ask InjectDebugCall to pause for a bit and then try

func mdestroy(mp *m) {
}

func sigtramp()

type sigactiont struct {
	sa_sigaction uintptr
	sa_mask      uint32
	sa_flags     int32
}

//go:nosplit
//go:nowritebarrierrec
func setsig(i uint32, fn uintptr) {
	var sa sigactiont
	sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
	sa.sa_mask = uint32(sigset_all)

}

/* SIGNAL */

const (
	_NSIG = 256
)

// sigtramp is a function descriptor to _sigtramp defined in assembly
var sigtramp funcDescriptor

//go:nosplit
//go:nowritebarrierrec
func setsig(i uint32, fn uintptr) {
	var sa sigactiont
	sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
	sa.sa_mask = sigset_all