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 {
		// Store nil in origRlimitNofile to tell StartProcess
		// to not adjust the rlimit in the child process.
		origRlimitNofile.Store(nil)
	}
	return setrlimit(resource, rlim)

// 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

	}

	rlimLater := origRlimitNofile.Load()
	if rlimLater != nil {
		t.Fatalf("origRlimitNofile got=%v, want=nil", rlimLater)
	}
}

func TestPrlimitOtherProcess(t *testing.T) {
	origLimit := syscall.OrigRlimitNofile()
	origRlimitNofile := syscall.GetInternalOrigRlimitNofile()

	if origLimit == nil {
		defer origRlimitNofile.Store(origLimit)
		origRlimitNofile.Store(&syscall.Rlimit{

}

// Test that rlimit values are restored by exec.
func TestRlimitRestored(t *testing.T) {
	if os.Getenv("GO_WANT_HELPER_PROCESS") != "" {
		fmt.Println(syscall.OrigRlimitNofile().Cur)
		os.Exit(0)
	}

	orig := syscall.OrigRlimitNofile()
	if orig == nil {
		t.Skip("skipping test because rlimit not adjusted at startup")
	}

	executable, err := os.Executable()
	if err != nil {

	var (
		r1              uintptr
		err1            Errno
		nextfd          int
		i               int
		pgrp            _C_int
		cred            *Credential
		ngroups, groups uintptr
	)

	rlim := origRlimitNofile.Load()

	// guard against side effects of shuffling fds below.
	// Make sure that nextfd is beyond any currently open files so
	// that we can't run the risk of overwriting any of them.

		err1            Errno
		nextfd          int
		i               int
		pgrp            _C_int
		cred            *Credential
		ngroups, groups uintptr
		upid            uintptr
	)

	rlim := origRlimitNofile.Load()

	// Record parent PID so child can test if it has died.
	ppid, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)

	// guard against side effects of shuffling fds below.

	var (
		r1              uintptr
		nextfd          int
		i               int
		err             error
		pgrp            _C_int
		cred            *Credential
		ngroups, groups uintptr
	)

	rlim := origRlimitNofile.Load()

	// guard against side effects of shuffling fds below.
	// Make sure that nextfd is beyond any currently open files so
	// that we can't run the risk of overwriting any of them.

	}
	argvp, err := SlicePtrFromStrings(argv)
	if err != nil {
		return err
	}
	envvp, err := SlicePtrFromStrings(envv)
	if err != nil {
		return err
	}
	runtime_BeforeExec()

	rlim := origRlimitNofile.Load()
	if rlim != nil {
		Setrlimit(RLIMIT_NOFILE, rlim)
	}

	var err1 error
	if runtime.GOOS == "solaris" || runtime.GOOS == "illumos" || runtime.GOOS == "aix" {

	var (
		r1              uintptr
		err1            Errno
		nextfd          int
		i               int
		pgrp            _Pid_t
		cred            *Credential
		ngroups, groups uintptr
	)

	rlim := origRlimitNofile.Load()

	// guard against side effects of shuffling fds below.
	// Make sure that nextfd is beyond any currently open files so
	// that we can't run the risk of overwriting any of them.

		dirfd                     int
		cred                      *Credential
		ngroups, groups           uintptr
		c                         uintptr
	)
	pidfd = -1

	rlim := origRlimitNofile.Load()

	if sys.UidMappings != nil {
		puid = []byte("/proc/self/uid_map\000")
		uidmap = formatIDMappings(sys.UidMappings)
	}

	if sys.GidMappings != nil {