}

func sysUnusedOS(v unsafe.Pointer, n uintptr) {
	// MADV_FREE_REUSABLE is like MADV_FREE except it also propagates
	// accounting information about the process to task_info.
	madvise(v, n, _MADV_FREE_REUSABLE)
}

func sysUsedOS(v unsafe.Pointer, n uintptr) {
	// MADV_FREE_REUSE is necessary to keep the kernel's accounting
	// accurate. If called on any memory region that hasn't been
	// MADV_FREE_REUSABLE'd, it's a no-op.

// that transition memory regions between these states. The helpers call into
// OS-specific implementations that handle errors, while the interface boundary
// implements cross-OS functionality, like updating runtime accounting.

// sysAlloc transitions an OS-chosen region of memory from None to Ready.
// More specifically, it obtains a large chunk of zeroed memory from the
// operating system, typically on the order of a hundred kilobytes

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 nfacct

// Counter represents a nfacct accounting object.
type Counter struct {
	Name    string
	Packets uint64
	Bytes   uint64
}

// Interface is an injectable interface for running nfacct commands.
type Interface interface {

    /**
     * Instantiates a generation plan.
     *
     * @param source The grammar file.
     * @param generationDirectory The directory into which generated lexers and parsers should be written, accounting for
     * declared package.
     */
    GenerationPlan(File source, File generationDirectory) {
        this.source = source;
        this.generationDirectory = generationDirectory;
    }

limitations under the License.
*/

package common

import (
	"regexp"
)

// QuotaType -- type of quota to be applied
type QuotaType int

const (
	// FSQuotaAccounting for quotas for accounting only
	FSQuotaAccounting QuotaType = 1 << iota
	// FSQuotaEnforcing for quotas for enforcement
	FSQuotaEnforcing QuotaType = 1 << iota
)

// FirstQuota is the quota ID we start with.

	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
	apirequest "k8s.io/apiserver/pkg/endpoints/request"
	"k8s.io/client-go/kubernetes/scheme"
)

// RequestWaitGroup helps with the accounting of request(s) that are in
// flight: the caller is expected to invoke Add(1) before executing the
// request handler and then invoke Done() when the handler finishes.
// NOTE: implementations must ensure that it is thread-safe

			if shortestSuffix == 0 || len(suffix) < shortestSuffix {
				shortestSuffix = len(suffix)
			}
		}

		// Test a name that will be maximally long when prefixing the shortest
		// suffix (accounting for the intervening dot).
		longName := longDomain[len(longDomain)-254+1+shortestSuffix:]
		if longName[0] == '.' || longName[1] == '.' {
			longName = "aa." + longName[3:]
		}

	// goroutines (proportional to the number of watchers) that are all
	// resumed at once, as a starting point we assume that each such goroutine
	// is taking 1/Nth of a seat for M milliseconds.
	// We allow the accounting of that work in P&F to be reshaped into another
	// rectangle of equal area for practical reasons.
	var finalSeats uint64
	var additionalLatency time.Duration

	if err != nil {
		return false, err
	}
	if qType == FSQuotaEnforcing {
		return strings.Contains(data, "Enforcement: ON"), nil
	}
	return strings.Contains(data, "Accounting: ON"), nil
}

func isFilesystemOfType(mountpoint string, backingDev string, typeMagic int64) bool {
	var buf syscall.Statfs_t
	err := syscall.Statfs(mountpoint, &buf)
	if err != nil {

// Semacquire(RW)Mutex(R) is like Semacquire, but for profiling contended
// Mutexes and RWMutexes.
// If lifo is true, queue waiter at the head of wait queue.
// skipframes is the number of frames to omit during tracing, counting from
// runtime_SemacquireMutex's caller.
// The different forms of this function just tell the runtime how to present
// the reason for waiting in a backtrace, and is used to compute some metrics.