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author | gVisor bot <gvisor-bot@google.com> | 2019-06-28 00:31:52 +0000 |
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committer | gVisor bot <gvisor-bot@google.com> | 2019-06-28 00:31:52 +0000 |
commit | e3abe5ebdf5e0c98429faee7d57d126d452f7293 (patch) | |
tree | 607552989592a141c1fb317008208015b95363f5 /pkg/sentry/kernel/pipe | |
parent | 91dcb2483b56eeb8083cdff90ed8e8f0a1665d13 (diff) | |
parent | b2907595e5e974d2b011ea011033aa06d796e090 (diff) |
Merge b2907595 (automated)
Diffstat (limited to 'pkg/sentry/kernel/pipe')
-rw-r--r-- | pkg/sentry/kernel/pipe/pipe.go | 23 | ||||
-rw-r--r-- | pkg/sentry/kernel/pipe/reader_writer.go | 2 |
2 files changed, 6 insertions, 19 deletions
diff --git a/pkg/sentry/kernel/pipe/pipe.go b/pkg/sentry/kernel/pipe/pipe.go index 8e49070a9..247e2928e 100644 --- a/pkg/sentry/kernel/pipe/pipe.go +++ b/pkg/sentry/kernel/pipe/pipe.go @@ -39,19 +39,6 @@ const ( MaximumPipeSize = 8 << 20 ) -// Sizer is an interface for setting and getting the size of a pipe. -// -// It is implemented by Pipe and, through embedding, all other types. -type Sizer interface { - // PipeSize returns the pipe capacity in bytes. - PipeSize() int64 - - // SetPipeSize sets the new pipe capacity in bytes. - // - // The new size is returned (which may be capped). - SetPipeSize(int64) (int64, error) -} - // Pipe is an encapsulation of a platform-independent pipe. // It manages a buffered byte queue shared between a reader/writer // pair. @@ -399,15 +386,15 @@ func (p *Pipe) queued() int64 { return p.size } -// PipeSize implements PipeSizer.PipeSize. -func (p *Pipe) PipeSize() int64 { +// FifoSize implements fs.FifoSizer.FifoSize. +func (p *Pipe) FifoSize(context.Context, *fs.File) (int64, error) { p.mu.Lock() defer p.mu.Unlock() - return p.max + return p.max, nil } -// SetPipeSize implements PipeSize.SetPipeSize. -func (p *Pipe) SetPipeSize(size int64) (int64, error) { +// SetFifoSize implements fs.FifoSizer.SetFifoSize. +func (p *Pipe) SetFifoSize(size int64) (int64, error) { if size < 0 { return 0, syserror.EINVAL } diff --git a/pkg/sentry/kernel/pipe/reader_writer.go b/pkg/sentry/kernel/pipe/reader_writer.go index fedfcd921..f69dbf27b 100644 --- a/pkg/sentry/kernel/pipe/reader_writer.go +++ b/pkg/sentry/kernel/pipe/reader_writer.go @@ -77,7 +77,7 @@ func (rw *ReaderWriter) Readiness(mask waiter.EventMask) waiter.EventMask { } // Ioctl implements fs.FileOperations.Ioctl. -func (rw *ReaderWriter) Ioctl(ctx context.Context, io usermem.IO, args arch.SyscallArguments) (uintptr, error) { +func (rw *ReaderWriter) Ioctl(ctx context.Context, _ *fs.File, io usermem.IO, args arch.SyscallArguments) (uintptr, error) { // Switch on ioctl request. switch int(args[1].Int()) { case linux.FIONREAD: |