}

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) {

			// Unlocked. Try to lock.
			if atomic.Casuintptr(&l.key, v, v|locked) {
				timer.end()
				return
			}
			i = 0
		}
		if i < spin {
			procyield(active_spin_cnt)
		} else if i < spin+passive_spin {
			osyield()
		} else {
			// Someone else has it.
			// l->waitm points to a linked list of M's waiting
			// for this lock, chained through m->nextwaitm.
			// Queue this M.
			for {
				gp.m.nextwaitm = muintptr(v &^ locked)

	case wire.StructT != nil:
		deb.printCommonType(indent, "struct", &wire.StructT.CommonType)
		for i, field := range wire.StructT.Field {
			fmt.Fprintf(os.Stderr, "%sfield %d:\t%s\tid=%d\n", indent+1, i, field.Name, field.Id)
		}
	case wire.GobEncoderT != nil:
		deb.printCommonType(indent, "GobEncoder", &wire.GobEncoderT.CommonType)
	}
	indent--

// 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
)

[![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/tensorflow-py.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:tensorflow-py)
[![OSSRank](https://shields.io/endpoint?url=https://ossrank.com/shield/44)](https://ossrank.com/p/44)
[![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-v1.4%20adopted-ff69b4.svg)](CODE_OF_CONDUCT.md)

TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0
	MOV	new+0(FP), A0
	MOV	old+8(FP), A1
	MOV	$SYS_sigaltstack, T0
	ECALL
	BNE	T0, ZERO, fail
	RET
fail:
	WORD	$0	// crash

// func osyield()
TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0
	MOV	$SYS_sched_yield, T0
	ECALL
	RET

// func sigprocmask(how int32, new, old *sigset)
TEXT runtime·sigprocmask(SB),NOSPLIT|NOFRAME,$0-24
	MOVW	how+0(FP), A0

TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0
	MOVD	new+0(FP), R0
	MOVD	old+8(FP), R1
	MOVD	$SYS_sigaltstack, R8
	SVC
	BCS	fail
	RET
fail:
	MOVD	$0, R0
	MOVD	R0, (R0)	// crash

// func osyield()
TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0
	MOVD	$SYS_sched_yield, R8
	SVC
	RET

// func sigprocmask(how int32, new, old *sigset)
TEXT runtime·sigprocmask(SB),NOSPLIT|NOFRAME,$0-24
	MOVW	how+0(FP), R0

	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

func sysargs(argc int32, argv **byte) {
	n := argc + 1

		// 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