diff options
Diffstat (limited to 'ui/surface/transport_dib.h')
| -rw-r--r-- | ui/surface/transport_dib.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ui/surface/transport_dib.h b/ui/surface/transport_dib.h index 3495c9d..70928ed 100644 --- a/ui/surface/transport_dib.h +++ b/ui/surface/transport_dib.h @@ -194,6 +194,15 @@ class SURFACE_EXPORT TransportDIB { // Map the shared memory into the X server and return an id for the shared // segment. XID MapToX(Display* connection); + + void IncreaseInFlightCounter() { inflight_counter_++; } + // Decreases the inflight counter, and deletes the transport DIB if it is + // detached. + void DecreaseInFlightCounter(); + + // Deletes this transport DIB and detaches the shared memory once the + // |inflight_counter_| is zero. + void Detach(); #endif private: @@ -207,6 +216,8 @@ class SURFACE_EXPORT TransportDIB { void* address_; // mapped address XSharedMemoryId x_shm_; // X id for the shared segment Display* display_; // connection to the X server + size_t inflight_counter_; // How many requests to the X server are in flight + bool detached_; // If true, delete the transport DIB when it is idle #endif size_t size_; // length, in bytes |