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Diffstat (limited to 'pkg/sentry/fs/inotify.go')
-rw-r--r--pkg/sentry/fs/inotify.go19
1 files changed, 11 insertions, 8 deletions
diff --git a/pkg/sentry/fs/inotify.go b/pkg/sentry/fs/inotify.go
index ba3e0233d..c5c07d564 100644
--- a/pkg/sentry/fs/inotify.go
+++ b/pkg/sentry/fs/inotify.go
@@ -16,16 +16,16 @@ package fs
import (
"io"
- "sync"
"sync/atomic"
"gvisor.dev/gvisor/pkg/abi/linux"
+ "gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/sentry/arch"
- "gvisor.dev/gvisor/pkg/sentry/context"
"gvisor.dev/gvisor/pkg/sentry/memmap"
"gvisor.dev/gvisor/pkg/sentry/uniqueid"
- "gvisor.dev/gvisor/pkg/sentry/usermem"
+ "gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/syserror"
+ "gvisor.dev/gvisor/pkg/usermem"
"gvisor.dev/gvisor/pkg/waiter"
)
@@ -80,7 +80,7 @@ func NewInotify(ctx context.Context) *Inotify {
// Release implements FileOperations.Release. Release removes all watches and
// frees all resources for an inotify instance.
-func (i *Inotify) Release() {
+func (i *Inotify) Release(ctx context.Context) {
// We need to hold i.mu to avoid a race with concurrent calls to
// Inotify.targetDestroyed from Watches. There's no risk of Watches
// accessing this Inotify after the destructor ends, because we remove all
@@ -93,7 +93,7 @@ func (i *Inotify) Release() {
// the owner's destructor.
w.target.Watches.Remove(w.ID())
// Don't leak any references to the target, held by pins in the watch.
- w.destroy()
+ w.destroy(ctx)
}
}
@@ -143,7 +143,10 @@ func (i *Inotify) Read(ctx context.Context, _ *File, dst usermem.IOSequence, _ i
}
var writeLen int64
- for event := i.events.Front(); event != nil; event = event.Next() {
+ for it := i.events.Front(); it != nil; {
+ event := it
+ it = it.Next()
+
// Does the buffer have enough remaining space to hold the event we're
// about to write out?
if dst.NumBytes() < int64(event.sizeOf()) {
@@ -318,7 +321,7 @@ func (i *Inotify) AddWatch(target *Dirent, mask uint32) int32 {
//
// RmWatch looks up an inotify watch for the given 'wd' and configures the
// target dirent to stop sending events to this inotify instance.
-func (i *Inotify) RmWatch(wd int32) error {
+func (i *Inotify) RmWatch(ctx context.Context, wd int32) error {
i.mu.Lock()
// Find the watch we were asked to removed.
@@ -343,7 +346,7 @@ func (i *Inotify) RmWatch(wd int32) error {
i.queueEvent(newEvent(watch.wd, "", linux.IN_IGNORED, 0))
// Remove all pins.
- watch.destroy()
+ watch.destroy(ctx)
return nil
}