//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package lock

import (
	"os"
	"syscall"
)

// Internal function implements support for both
// blocking and non blocking lock type.
func lockedOpenFile(path string, flag int, perm os.FileMode, lockType int) (*LockedFile, error) {
	switch flag {
	case syscall.O_RDONLY:

	// https://issuetracker.google.com/issues/73230216.
	lockPath := filepath.Join(os.TempDir(), "go_android_exec-adb-lock")
	lock, err := os.OpenFile(lockPath, os.O_CREATE|os.O_RDWR, 0666)
	if err != nil {
		return 0, err
	}
	defer lock.Close()
	if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_EX); err != nil {
		return 0, err
	}

	// In case we're booting a device or emulator alongside all.bash, wait for

var tmpdir string

var (
	devID    string
	appID    string
	teamID   string
	bundleID string
	deviceID string
)

// lock is a file lock to serialize iOS runs. It is global to avoid the
// garbage collector finalizing it, closing the file and releasing the
// lock prematurely.
var lock *os.File

func main() {
	log.SetFlags(0)
	log.SetPrefix("go_ios_exec: ")
	if debug {
		log.Println(strings.Join(os.Args, " "))
	}

pkg container/list, method (*List) MoveAfter(*Element, *Element)
pkg container/list, method (*List) MoveBefore(*Element, *Element)
pkg crypto, type PublicKey interface {}
pkg crypto/cipher, func NewGCM(Block) (AEAD, error)
pkg crypto/cipher, type AEAD interface { NonceSize, Open, Overhead, Seal }
pkg crypto/cipher, type AEAD interface, NonceSize() int

pkg encoding/pem, func Decode([]uint8) (*Block, []uint8)
pkg encoding/pem, func Encode(io.Writer, *Block) error
pkg encoding/pem, func EncodeToMemory(*Block) []uint8
pkg encoding/pem, type Block struct
pkg encoding/pem, type Block struct, Bytes []uint8
pkg encoding/pem, type Block struct, Headers map[string]string
pkg encoding/pem, type Block struct, Type string
pkg encoding/xml, const Header ideal-string

beating.  Now, if you only kept on good terms with him, he'd do
almost anything you liked with the clock.  For instance, suppose
it were nine o'clock in the morning, just time to begin lessons:
you'd only have to whisper a hint to Time, and round goes the
clock in a twinkling!  Half-past one, time for dinner!'

  (`I only wish it was,' the March Hare said to itself in a
whisper.)

	return LockContext{ctx: newCtx, cancel: cancel}, nil
}

// Unlock - block until write lock is released.
func (di *distLockInstance) Unlock(lc LockContext) {
	if lc.cancel != nil {
		lc.cancel()
	}
	di.rwMutex.Unlock(context.Background())
}

// RLock - block until read lock is taken or timeout has occurred.

pkg syscall (netbsd-arm64-cgo), func Fchown(int, int, int) error
pkg syscall (netbsd-arm64-cgo), func FcntlFlock(uintptr, int, *Flock_t) error
pkg syscall (netbsd-arm64-cgo), func Flock(int, int) error
pkg syscall (netbsd-arm64-cgo), func FlushBpf(int) error
pkg syscall (netbsd-arm64-cgo), func ForkExec(string, []string, *ProcAttr) (int, error)

beating.  Now, if you only kept on good terms with him, he'd do
almost anything you liked with the clock.  For instance, suppose
it were nine o'clock in the morning, just time to begin lessons:
you'd only have to whisper a hint to Time, and round goes the
clock in a twinkling!  Half-past one, time for dinner!'

  (`I only wish it was,' the March Hare said to itself in a
whisper.)

	defer m.tlock.RUnlock()
	return m.bucketsThrottle[opts]
}

// SetBandwidthLimit sets the bandwidth limit for a bucket
func (m *Monitor) SetBandwidthLimit(bucket, arn string, limit int64) {
	m.tlock.Lock()
	defer m.tlock.Unlock()
	limitBytes := limit / int64(m.NodeCount)
	throttle, ok := m.bucketsThrottle[BucketOptions{Name: bucket, ReplicationARN: arn}]
	if !ok {
		throttle = &bucketThrottle{}
	}