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

package syscall

import (
	"unsafe"
)

var (
	RawSyscallNoError = rawSyscallNoError
	ForceClone3       = &forceClone3
	Prlimit           = prlimit
)

const (
	Sys_GETEUID = sys_GETEUID
)

func Tcgetpgrp(fd int) (pgid int32, err error) {
	_, _, errno := Syscall6(SYS_IOCTL, uintptr(fd), uintptr(TIOCGPGRP), uintptr(unsafe.Pointer(&pgid)), 0, 0, 0)

		origRlimitNofile.Store(&syscall.Rlimit{
			Cur: 1024,
			Max: 65536,
		})
	}

	// Get current process's nofile limit
	var lim syscall.Rlimit
	if err := syscall.Prlimit(0, syscall.RLIMIT_NOFILE, nil, &lim); err != nil {
		t.Fatalf("Failed to get the current nofile limit: %v", err)
	}
	// Set current process's nofile limit through prlimit
	if err := syscall.Prlimit(0, syscall.RLIMIT_NOFILE, &lim, nil); err != nil {

}

// Getrlimit prefers the prlimit64 system call. See issue 38604.
func Getrlimit(resource int, rlim *Rlimit) error {
	err := prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}
	return getrlimit(resource, rlim)
}

// setrlimit prefers the prlimit64 system call. See issue 38604.
func setrlimit(resource int, rlim *Rlimit) error {
	err := prlimit(0, resource, rlim, nil)
	if err != ENOSYS {

}

// Getrlimit prefers the prlimit64 system call.
func Getrlimit(resource int, rlim *Rlimit) error {
	return prlimit(0, resource, nil, rlim)
}

// setrlimit prefers the prlimit64 system call.
func setrlimit(resource int, rlim *Rlimit) error {
	return prlimit(0, resource, rlim, nil)
}

//go:nosplit
func rawSetrlimit(resource int, rlim *Rlimit) Errno {

	Max uint32
}

//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT

const rlimInf32 = ^uint32(0)
const rlimInf64 = ^uint64(0)

func Getrlimit(resource int, rlim *Rlimit) (err error) {
	err = prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}

	rl := rlimit32{}
	err = getrlimit(resource, &rl)
	if err != nil {
		return
	}

	if rl.Cur == rlimInf32 {

type rlimit32 struct {
	Cur uint32
	Max uint32
}

//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT

func Getrlimit(resource int, rlim *Rlimit) (err error) {
	err = prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}

	rl := rlimit32{}
	err = getrlimit(resource, &rl)
	if err != nil {
		return
	}

	if rl.Cur == rlimInf32 {

	Max uint32
}

//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT

const rlimInf32 = ^uint32(0)
const rlimInf64 = ^uint64(0)

func Getrlimit(resource int, rlim *Rlimit) (err error) {
	err = prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}

	rl := rlimit32{}
	err = getrlimit(resource, &rl)
	if err != nil {
		return
	}

	if rl.Cur == rlimInf32 {

		NsecToTimespec(TimevalToNsec(tv[1])),
	}
	return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
}

// Getrlimit prefers the prlimit64 system call. See issue 38604.
func Getrlimit(resource int, rlim *Rlimit) error {
	err := Prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}
	return getrlimit(resource, rlim)
}

func (r *PtraceRegs) PC() uint64 { return r.Pc }

	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

func Getrlimit(resource int, rlim *Rlimit) (err error) {
	err = Prlimit(0, resource, nil, rlim)
	return
}

func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) {
	if tv == nil {
		return utimensat(dirfd, path, nil, 0)
	}

	ts := []Timespec{

type rlimit32 struct {
	Cur uint32
	Max uint32
}

//sysnb	getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT

func Getrlimit(resource int, rlim *Rlimit) (err error) {
	err = Prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}

	rl := rlimit32{}
	err = getrlimit(resource, &rl)
	if err != nil {
		return
	}

	if rl.Cur == rlimInf32 {