// license that can be found in the LICENSE file.

//go:build zos && s390x && gc

#include "textflag.h"

//  provide the address of function variable to be fixed up.

TEXT ·getPipe2Addr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·Pipe2(SB), R8
	MOVD R8, ret+0(FP)
	RET

TEXT ·get_FlockAddr(SB), NOSPLIT|NOFRAME, $0-8
	MOVD $·Flock(SB), R8
	MOVD R8, ret+0(FP)
	RET

// Pipe2 begin

//go:nosplit
func getPipe2Addr() *(func([]int, int) error)

var Pipe2 = pipe2Enter

func pipe2Enter(p []int, flags int) (err error) {
	if funcptrtest(GetZosLibVec()+SYS_PIPE2<<4, "") == 0 {
		*getPipe2Addr() = pipe2Impl
	} else {
		*getPipe2Addr() = pipe2Error
	}
	return (*getPipe2Addr())(p, flags)
}

func pipe2Impl(p []int, flags int) (err error) {