Reland Mojo-based waiting for IPC::SyncChannel
BUG=612500
[email protected]
Review-Url: https://codereview.chromium.org/2101163002
Cr-Commit-Position: refs/heads/master@{#404233}
diff --git a/ipc/ipc_sync_message.cc b/ipc/ipc_sync_message.cc
index 7f9df7bd..ba87de8 100644
--- a/ipc/ipc_sync_message.cc
+++ b/ipc/ipc_sync_message.cc
@@ -9,26 +9,11 @@
#include <stack>
#include "base/atomic_sequence_num.h"
-#include "base/lazy_instance.h"
#include "base/logging.h"
-#include "base/synchronization/waitable_event.h"
#include "build/build_config.h"
namespace {
-struct WaitableEventLazyInstanceTraits
- : public base::DefaultLazyInstanceTraits<base::WaitableEvent> {
- static base::WaitableEvent* New(void* instance) {
- // Use placement new to initialize our instance in our preallocated space.
- return new (instance)
- base::WaitableEvent(base::WaitableEvent::ResetPolicy::MANUAL,
- base::WaitableEvent::InitialState::SIGNALED);
- }
-};
-
-base::LazyInstance<base::WaitableEvent, WaitableEventLazyInstanceTraits>
- dummy_event = LAZY_INSTANCE_INITIALIZER;
-
base::StaticAtomicSequenceNumber g_next_id;
} // namespace
@@ -42,8 +27,7 @@
PriorityValue priority,
MessageReplyDeserializer* deserializer)
: Message(routing_id, type, priority),
- deserializer_(deserializer),
- pump_messages_event_(NULL) {
+ deserializer_(deserializer) {
set_sync();
set_unblock(true);
@@ -61,11 +45,6 @@
return deserializer_.release();
}
-void SyncMessage::EnableMessagePumping() {
- DCHECK(!pump_messages_event_);
- set_pump_messages_event(dummy_event.Pointer());
-}
-
bool SyncMessage::IsMessageReplyTo(const Message& msg, int request_id) {
if (!msg.is_reply())
return false;