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

//go:build darwin

package syscall

// adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.
func adjustFileLimit(lim *Rlimit) {
	// On older macOS, setrlimit(RLIMIT_NOFILE, lim) with lim.Cur = infinity fails.
	// Set to the value of kern.maxfilesperproc instead.
	n, err := SysctlUint32("kern.maxfilesperproc")

	obj1, err := lw.List(metav1.ListOptions{Limit: 2})
	if err != nil {
		t.Fatalf("List failed: %v", err)
	}
	limit1, ok := obj1.(*example.PodList)
	if !ok {
		t.Fatalf("Expected PodList but got %v", limit1)
	}
	if len(limit1.Items) != 2 {
		t.Errorf("Expected PodList of length 2 but got %d", len(limit1.Items))
	}
	if limit1.Continue == "" {
		t.Errorf("Expected list to have Continue but got none")
	}

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

//go:build unix && !darwin

package syscall

// adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.

See the License for the specific language governing permissions and
limitations under the License.
*/

package rlimit

import (
	"golang.org/x/sys/unix"
)

// SetNumFiles sets the linux rlimit for the maximum open files.
func SetNumFiles(maxOpenFiles uint64) error {
	return unix.Setrlimit(unix.RLIMIT_NOFILE, &unix.Rlimit{Max: maxOpenFiles, Cur: maxOpenFiles})

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package rlimit

import (
	"errors"
)

// SetNumFiles sets the rlimit for the maximum open files.
func SetNumFiles(maxOpenFiles uint64) error {
	return errors.New("SetRLimit unsupported in this platform")

	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 {

	debug.SetTraceback("crash")

	var lim syscall.Rlimit
	err := syscall.Getrlimit(syscall.RLIMIT_CORE, &lim)
	if err != nil {
		panic(fmt.Sprintf("error getting rlimit: %v", err))
	}
	lim.Cur = lim.Max
	fmt.Fprintf(os.Stderr, "Setting RLIMIT_CORE = %+#v\n", lim)
	err = syscall.Setrlimit(syscall.RLIMIT_CORE, &lim)
	if err != nil {
		panic(fmt.Sprintf("error setting rlimit: %v", err))
	}
}

func main() {
	flag.Parse()

// 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

	// Check that we can open 1200 files, which proves
	// that the rlimit is being raised appropriately on those systems.
	fileCount := 1200

	// OpenBSD has a default soft limit of 512 and hard limit of 1024.
	if runtime.GOOS == "openbsd" {
		fileCount = 768
	}

	var files []*os.File
	for i := 0; i < fileCount; i++ {
		f, err := os.Open("rlimit.go")
		if err != nil {
			t.Error(err)
			break
		}

	} else {
		podStats, err = sp.provider.ListPodStats(ctx)
	}
	if err != nil {
		return nil, fmt.Errorf("failed to list pod stats: %v", err)
	}

	rlimit, err := sp.provider.RlimitStats()
	if err != nil {
		return nil, fmt.Errorf("failed to get rlimit stats: %v", err)
	}

	nodeStats := statsapi.NodeStats{
		NodeName:         node.Name,
		CPU:              rootStats.CPU,
		Memory:           rootStats.Memory,