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LibIPC: Make IPC::Connection::post_message() return ErrorOr

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This commit is contained in:
Andreas Kling 2021-11-28 09:59:36 +01:00
parent 982ac34437
commit 8d76eb773f
4 changed files with 30 additions and 23 deletions
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9
Userland/Libraries/LibIPC/Connection.h
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@ -33,7 +33,7 @@ public:
virtual ~ConnectionBase() override;
bool is_open() const { return m_socket->is_open(); }
void post_message(Message const&);
ErrorOr<void> post_message(Message const&);
void shutdown();
virtual void die() { }
@ -52,7 +52,7 @@ protected:
ErrorOr<Vector<u8>> read_as_much_as_possible_from_socket_without_blocking();
ErrorOr<void> drain_messages_from_peer();
void post_message(MessageBuffer);
ErrorOr<void> post_message(MessageBuffer);
void handle_messages();
IPC::Stub& m_local_stub;
@ -90,7 +90,7 @@ public:
template<typename RequestType, typename... Args>
NonnullOwnPtr<typename RequestType::ResponseType> send_sync(Args&&... args)
{
post_message(RequestType(forward<Args>(args)...));
MUST(post_message(RequestType(forward<Args>(args)...)));
auto response = wait_for_specific_endpoint_message<typename RequestType::ResponseType, PeerEndpoint>();
VERIFY(response);
return response.release_nonnull();
@ -99,7 +99,8 @@ public:
template<typename RequestType, typename... Args>
OwnPtr<typename RequestType::ResponseType> send_sync_but_allow_failure(Args&&... args)
{
post_message(RequestType(forward<Args>(args)...));
if (post_message(RequestType(forward<Args>(args)...)).is_error())
return nullptr;
return wait_for_specific_endpoint_message<typename RequestType::ResponseType, PeerEndpoint>();
}