podman/libpod/lock/shm_lock_manager_unsupported.go
Matthew Heon 7fdd20ae5a Add initial version of renumber backend
Renumber is a way of renumbering container locks after the number
of locks available has changed.

For now, renumber only works with containers.

Signed-off-by: Matthew Heon <matthew.heon@pm.me>
2019-02-21 10:51:42 -05:00

35 lines
966 B
Go

// +build !linux
package lock
import "fmt"
// SHMLockManager is a shared memory lock manager.
// It is not supported on non-Unix platforms.
type SHMLockManager struct{}
// NewSHMLockManager is not supported on this platform
func NewSHMLockManager(path string, numLocks uint32) (Manager, error) {
return nil, fmt.Errorf("not supported")
}
// OpenSHMLockManager is not supported on this platform
func OpenSHMLockManager(path string, numLocks uint32) (Manager, error) {
return nil, fmt.Errorf("not supported")
}
// AllocateLock is not supported on this platform
func (m *SHMLockManager) AllocateLock() (Locker, error) {
return nil, fmt.Errorf("not supported")
}
// RetrieveLock is not supported on this platform
func (m *SHMLockManager) RetrieveLock(id string) (Locker, error) {
return nil, fmt.Errorf("not supported")
}
// FreeAllLocks is not supported on this platform
func (m *SHMLockManager) FreeAllLocks() error {
return fmt.Errorf("not supported")
}