r1, err := sysvicall3Err(&libc_fcntl, uintptr(fd), uintptr(cmd), uintptr(arg))
	return int32(r1), int32(err)
}

func osyield1()

//go:nosplit
func osyield_no_g() {
	osyield1()
}

//go:nosplit
func osyield() {
	sysvicall0(&libc_sched_yield)
}

//go:linkname executablePath os.executablePath
var executablePath string

	}

	syscall2(&libc_kill, pid, uintptr(sig))
}

func osyield1()

//go:nosplit
func osyield_no_g() {
	osyield1()
}

//go:nosplit
func osyield() {
	r, err := syscall0(&libc_sched_yield)
	if int32(r) == -1 {
		println("syscall osyield failed: ", hex(err))
		throw("syscall osyield")
	}
}

//go:nosplit
func sysconf(name int32) uintptr {

//go:noescape
func lwp_unpark(lwp int32, hint unsafe.Pointer) int32

func lwp_self() int32

func osyield()

//go:nosplit
func osyield_no_g() {
	osyield()
}

func kqueue() int32

//go:noescape
func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32

func pipe2(flags int32) (r, w int32, errno int32)

	return 0
}

func initsig(preinit bool) {
	if !preinit {
		notify(unsafe.Pointer(abi.FuncPCABI0(sigtramp)))
	}
}

//go:nosplit
func osyield() {
	sleep(0)
}

//go:nosplit
func osyield_no_g() {
	osyield()
}

//go:nosplit
func usleep(µs uint32) {
	ms := int32(µs / 1000)
	if ms == 0 {
		ms = 1
	}
	sleep(ms)
}

//go:nosplit

func thr_self() thread
func thr_kill(tid thread, sig int)

//go:noescape
func sys_umtx_op(addr *uint32, mode int32, val uint32, uaddr1 uintptr, ut *umtx_time) int32

func osyield()

//go:nosplit
func osyield_no_g() {
	osyield()
}

func kqueue() int32

//go:noescape
func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32

func pipe2(flags int32) (r, w int32, errno int32)

	// have been delivered. Give other threads a chance to run and
	// pick up the signal.
	osyield()
	osyield()
	osyield()

	// If that didn't work, try _SIG_DFL.
	setsig(sig, _SIG_DFL)
	raise(sig)

	osyield()
	osyield()
	osyield()

	// If we are still somehow running, just exit with the wrong status.
	exit(2)
}

}

func raise(sig uint32)
func raiseproc(sig uint32)

//go:noescape
func sched_getaffinity(pid, len uintptr, buf *byte) int32
func osyield()

//go:nosplit
func osyield_no_g() {
	osyield()
}

func pipe2(flags int32) (r, w int32, errno int32)

//go:nosplit
func fcntl(fd, cmd, arg int32) (ret int32, errno int32) {

// resources in minit, semacreate, or elsewhere. Do not take locks after calling this.
func mdestroy(mp *m) {
}

//go:nosplit
func osyield_no_g() {
	usleep_no_g(1)
}

//go:nosplit
func osyield() {
	usleep(1)
}

const (
	_NSIG        = 32
	_SI_USER     = 0 /* empirically true, but not what headers say */
	_SIG_BLOCK   = 1
	_SIG_UNBLOCK = 2
	_SIG_SETMASK = 3
	_SS_DISABLE  = 4
)

		// that the goroutine is suspended.
		if i == 0 {
			nextYield = nanotime() + yieldDelay
		}
		if nanotime() < nextYield {
			procyield(10)
		} else {
			osyield()
			nextYield = nanotime() + yieldDelay/2
		}
	}
}

// resumeG undoes the effects of suspendG, allowing the suspended
// goroutine to continue from its current safe-point.

TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0
	MOV	new+0(FP), A0
	MOV	old+8(FP), A1
	MOV	$SYS_sigaltstack, A7
	ECALL
	MOV	$-4096, T0
	BLTU	A0, T0, 2(PC)
	WORD	$0	// crash
	RET

// func osyield()
TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0
	MOV	$SYS_sched_yield, A7
	ECALL
	RET

// func sched_getaffinity(pid, len uintptr, buf *uintptr) int32
TEXT runtime·sched_getaffinity(SB),NOSPLIT|NOFRAME,$0