diff options
Diffstat (limited to 'pkg/sentry/fs/fs.go')
| -rw-r--r-- | pkg/sentry/fs/fs.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/sentry/fs/fs.go b/pkg/sentry/fs/fs.go index 0ba4b7269..36f263235 100644 --- a/pkg/sentry/fs/fs.go +++ b/pkg/sentry/fs/fs.go @@ -57,6 +57,7 @@ import ( "sync" "gvisor.googlesource.com/gvisor/pkg/log" + "gvisor.googlesource.com/gvisor/pkg/sentry/context" ) var ( @@ -87,6 +88,17 @@ func Async(f func()) { }() } +// AsyncWithContext is just like Async, except that it calls the asynchronous +// function with the given context as argument. This function exists to avoid +// needing to allocate an extra function on the heap in a hot path. +func AsyncWithContext(ctx context.Context, f func(context.Context)) { + workMu.RLock() + go func() { // S/R-SAFE: AsyncBarrier must be called. + defer workMu.RUnlock() // Ensure RUnlock in case of panic. + f(ctx) + }() +} + // AsyncErrorBarrier waits for all outstanding asynchronous work to complete, or // the first async error to arrive. Other unfinished async executions will // continue in the background. Other past and future async errors are ignored. |