//sys	Munlockall() (err error)

// prlimit changes a resource limit. We use a single definition so that
// we can tell StartProcess to not restore the original NOFILE limit.
//
// golang.org/x/sys linknames prlimit.
// Do not remove or change the type signature.
//
//go:linkname prlimit
func prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) {
	err = prlimit1(pid, resource, newlimit, old)

// which Go of course has no choice but to respect.
func init() {
	var lim Rlimit
	if err := Getrlimit(RLIMIT_NOFILE, &lim); err == nil && lim.Cur != lim.Max {
		origRlimitNofile.Store(&lim)
		nlim := lim
		nlim.Cur = nlim.Max
		adjustFileLimit(&nlim)
		setrlimit(RLIMIT_NOFILE, &nlim)
	}
}

func Setrlimit(resource int, rlim *Rlimit) error {
	if resource == RLIMIT_NOFILE {

		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 {

Harshavardhana <******@****.***> 1717070292 -0700

// 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)

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

//go:build unix

package syscall

import "sync/atomic"

func OrigRlimitNofile() *Rlimit {
	return origRlimitNofile.Load()
}

func GetInternalOrigRlimitNofile() *atomic.Pointer[Rlimit] {
	return &origRlimitNofile

              echo "Envoy isn't running yet, trying again..."
              pgrep -u istio-proxy envoy
              sleep .1
            done
            pid="$(pgrep -u istio-proxy envoy)"
            sudo prlimit -p "${pid}" --core=unlimited
          }
          # To support image builders which cannot do RUN, do the run commands at startup.
          # This exploits the fact the images remove the installer once its installed.

func enter_Prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) {
	funcref := get_PrlimitAddr()
	if funcptrtest(GetZosLibVec()+SYS_PRLIMIT<<4, "") == 0 {
		*funcref = impl_Prlimit
	} else {
		*funcref = error_Prlimit
	}
	return (*funcref)(pid, resource, newlimit, old)
}

func error_Prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) {
	err = ENOSYS
	return
}

//sysnb	Getpgid(pid int) (pgid int, err error)
//sysnb	Getpgrp() (pgrp int)
//sysnb	Getpid() (pid int)
//sysnb	Getppid() (ppid int)
//sys	Getpriority(which int, who int) (prio int, err error)
//sysnb	Getrlimit(which int, lim *Rlimit) (err error)
//sysnb	Getrusage(who int, rusage *Rusage) (err error)
//sysnb	Getsid(pid int) (sid int, err error)
//sysnb	Getuid() (uid int)
//sysnb	Issetugid() (tainted bool)
//sys	Kqueue() (fd int, err error)

	MOVD $·Prctl(SB), R8
	MOVD R8, ret+0(FP)
	RET

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

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

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

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