diff options
Diffstat (limited to 'pkg/sentry/fs/proc/proc.go')
| -rw-r--r-- | pkg/sentry/fs/proc/proc.go | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/pkg/sentry/fs/proc/proc.go b/pkg/sentry/fs/proc/proc.go index 196fa5128..0e15894b4 100644 --- a/pkg/sentry/fs/proc/proc.go +++ b/pkg/sentry/fs/proc/proc.go @@ -43,10 +43,15 @@ type proc struct { // pidns is the PID namespace of the task that mounted the proc filesystem // that this node represents. pidns *kernel.PIDNamespace + + // cgroupControllers is a map of controller name to directory in the + // cgroup hierarchy. These controllers are immutable and will be listed + // in /proc/pid/cgroup if not nil. + cgroupControllers map[string]string } // New returns the root node of a partial simple procfs. -func New(ctx context.Context, msrc *fs.MountSource) (*fs.Inode, error) { +func New(ctx context.Context, msrc *fs.MountSource, cgroupControllers map[string]string) (*fs.Inode, error) { k := kernel.KernelFromContext(ctx) if k == nil { return nil, fmt.Errorf("procfs requires a kernel") @@ -73,9 +78,10 @@ func New(ctx context.Context, msrc *fs.MountSource) (*fs.Inode, error) { // Construct the proc InodeOperations. p := &proc{ - Dir: *ramfs.NewDir(ctx, contents, fs.RootOwner, fs.FilePermsFromMode(0555)), - k: k, - pidns: pidns, + Dir: *ramfs.NewDir(ctx, contents, fs.RootOwner, fs.FilePermsFromMode(0555)), + k: k, + pidns: pidns, + cgroupControllers: cgroupControllers, } // Add more contents that need proc to be initialized. @@ -178,7 +184,7 @@ func (p *proc) Lookup(ctx context.Context, dir *fs.Inode, name string) (*fs.Dire } // Wrap it in a taskDir. - td := newTaskDir(otherTask, dir.MountSource, p.pidns, true) + td := p.newTaskDir(otherTask, dir.MountSource, true) return fs.NewDirent(td, name), nil } |