diff options
Diffstat (limited to 'pkg/sentry/fs/file_operations.go')
| -rw-r--r-- | pkg/sentry/fs/file_operations.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/pkg/sentry/fs/file_operations.go b/pkg/sentry/fs/file_operations.go index 2c5bd1b19..d86f5bf45 100644 --- a/pkg/sentry/fs/file_operations.go +++ b/pkg/sentry/fs/file_operations.go @@ -155,5 +155,16 @@ type FileOperations interface { // refer. // // Preconditions: The AddressSpace (if any) that io refers to is activated. - Ioctl(ctx context.Context, io usermem.IO, args arch.SyscallArguments) (uintptr, error) + Ioctl(ctx context.Context, file *File, io usermem.IO, args arch.SyscallArguments) (uintptr, error) +} + +// FifoSizer is an interface for setting and getting the size of a pipe. +type FifoSizer interface { + // FifoSize returns the pipe capacity in bytes. + FifoSize(ctx context.Context, file *File) (int64, error) + + // SetFifoSize sets the new pipe capacity in bytes. + // + // The new size is returned (which may be capped). + SetFifoSize(size int64) (int64, error) } |