KeepAlive(new)
	KeepAlive(old)
}
func sigaction_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func sigprocmask(how uint32, new *sigset, old *sigset) {
	// sigprocmask is called from sigsave, which is called from needm.
	// As such, we have to be able to run with no g here.
	asmcgocall_no_g(unsafe.Pointer(abi.FuncPCABI0(sigprocmask_trampoline)), unsafe.Pointer(&how))

				sigdelset(&sigBlocked, i)
			}
		}
		sigprocmask(_SIG_SETMASK, &sigBlocked, nil)
		for {
			select {
			case sig := <-enableSigChan:
				if sig > 0 {
					sigdelset(&sigBlocked, int(sig))
				}
			case sig := <-disableSigChan:
				if sig > 0 && blockableSig(sig) {
					sigaddset(&sigBlocked, int(sig))
				}
			}
			sigprocmask(_SIG_SETMASK, &sigBlocked, nil)

}

// On multi-thread program, sigprocmask must not be called.
// It's replaced by sigthreadmask.
func sigprocmask1(how, new, old uintptr)

//go:nosplit
func sigprocmask(how int32, new, old *sigset) {
	gp := getg()

	// Check the validity of m because it might be called during a cgo

	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
	MOV	new+8(FP), A1
	MOV	old+16(FP), A2
	MOV	$SYS_sigprocmask, T0
	ECALL
	BNE	T0, ZERO, fail
	RET

	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
	MOVD	new+8(FP), R1
	MOVD	old+16(FP), R2
	MOVD	$SYS_sigprocmask, R8
	SVC
	BCS	fail
	RET
fail:

	SYS_KLDSYM                   = 337 // { int kldsym(int fileid, int cmd, \
	SYS_JAIL                     = 338 // { int jail(struct jail *jail); }
	SYS_SIGPROCMASK              = 340 // { int sigprocmask(int how, \
	SYS_SIGSUSPEND               = 341 // { int sigsuspend(const sigset_t *sigmask); }
	SYS_SIGPENDING               = 343 // { int sigpending(sigset_t *set); }

	SYS_KLDSYM                   = 337 // { int kldsym(int fileid, int cmd, \
	SYS_JAIL                     = 338 // { int jail(struct jail *jail); }
	SYS_SIGPROCMASK              = 340 // { int sigprocmask(int how, \
	SYS_SIGSUSPEND               = 341 // { int sigsuspend(const sigset_t *sigmask); }
	SYS_SIGPENDING               = 343 // { int sigpending(sigset_t *set); }

	SYS_KLDSYM                   = 337 // { int kldsym(int fileid, int cmd, \
	SYS_JAIL                     = 338 // { int jail(struct jail *jail); }
	SYS_SIGPROCMASK              = 340 // { int sigprocmask(int how, \
	SYS_SIGSUSPEND               = 341 // { int sigsuspend(const sigset_t *sigmask); }
	SYS_SIGPENDING               = 343 // { int sigpending(sigset_t *set); }

	SYS_KLDSYM                 = 337 // { int kldsym(int fileid, int cmd, void *data); }
	SYS_JAIL                   = 338 // { int jail(struct jail *jail); }
	SYS_SIGPROCMASK            = 340 // { int sigprocmask(int how, const sigset_t *set, \
	SYS_SIGSUSPEND             = 341 // { int sigsuspend(const sigset_t *sigmask); }
	SYS_SIGACTION              = 342 // { int sigaction(int sig, const struct sigaction *act, \

	libcCall(unsafe.Pointer(abi.FuncPCABI0(sigaction_trampoline)), unsafe.Pointer(&sig))
	KeepAlive(new)
	KeepAlive(old)
}
func sigaction_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func sigprocmask(how uint32, new *sigset, old *sigset) {
	libcCall(unsafe.Pointer(abi.FuncPCABI0(sigprocmask_trampoline)), unsafe.Pointer(&how))
	KeepAlive(new)
	KeepAlive(old)
}
func sigprocmask_trampoline()

//go:nosplit