diff options
author | Andrei Vagin <avagin@google.com> | 2019-05-23 23:20:11 -0700 |
---|---|---|
committer | Shentubot <shentubot@google.com> | 2019-05-23 23:21:13 -0700 |
commit | a949133c4b22a87c79310b2d825f2899028d6088 (patch) | |
tree | 439e03ccfff0c8bfe64cdef3e5191d39015b957c /pkg/sentry/kernel/task_block.go | |
parent | 409e8eea60f096b34c9005b302dc821f38ac19ed (diff) |
gvisor: interrupt the sendfile system call if a task has been interrupted
sendfile can be called for a big range and it can require significant
amount of time to process it, so we need to handle task interrupts in
this system call.
PiperOrigin-RevId: 249781023
Change-Id: Ifc2ec505d74c06f5ee76f93b8d30d518ec2d4015
Diffstat (limited to 'pkg/sentry/kernel/task_block.go')
-rw-r--r-- | pkg/sentry/kernel/task_block.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/task_block.go b/pkg/sentry/kernel/task_block.go index 30a7f6b1e..1c76c4d84 100644 --- a/pkg/sentry/kernel/task_block.go +++ b/pkg/sentry/kernel/task_block.go @@ -158,6 +158,11 @@ func (t *Task) SleepFinish(success bool) { t.Activate() } +// Interrupted implements amutex.Sleeper.Interrupted +func (t *Task) Interrupted() bool { + return len(t.interruptChan) != 0 +} + // UninterruptibleSleepStart implements context.Context.UninterruptibleSleepStart. func (t *Task) UninterruptibleSleepStart(deactivate bool) { if deactivate { |