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authorFernando Sahmkow <fsahmkow27@gmail.com>2019-11-26 12:13:04 +0100
committerGitHub <noreply@github.com>2019-11-26 12:13:04 +0100
commit59484442a0a7bf72f6b627a9b0672898314f2dad (patch)
tree2514317ed0d0ada5de3a219bdd1f5baa635760dc
parentMerge pull request #3160 from DarkLordZach/opt-ea-clang-fmt (diff)
parentkernel: Fix reference management for client/server session. (diff)
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-rw-r--r--src/core/hle/kernel/client_session.cpp16
-rw-r--r--src/core/hle/kernel/server_session.cpp18
-rw-r--r--src/core/hle/kernel/session.h4
3 files changed, 18 insertions, 20 deletions
diff --git a/src/core/hle/kernel/client_session.cpp b/src/core/hle/kernel/client_session.cpp
index bc59d3306..5995a6556 100644
--- a/src/core/hle/kernel/client_session.cpp
+++ b/src/core/hle/kernel/client_session.cpp
@@ -16,20 +16,18 @@ ClientSession::ClientSession(KernelCore& kernel) : Object{kernel} {}
ClientSession::~ClientSession() {
// This destructor will be called automatically when the last ClientSession handle is closed by
// the emulated application.
- if (parent->server) {
- parent->server->ClientDisconnected();
+ if (auto server = parent->server.lock()) {
+ server->ClientDisconnected();
}
-
- parent->client = nullptr;
}
ResultCode ClientSession::SendSyncRequest(Thread* thread) {
- // Keep ServerSession alive until we're done working with it.
- if (parent->server == nullptr)
- return ERR_SESSION_CLOSED_BY_REMOTE;
-
// Signal the server session that new data is available
- return parent->server->HandleSyncRequest(SharedFrom(thread));
+ if (auto server = parent->server.lock()) {
+ return server->HandleSyncRequest(SharedFrom(thread));
+ }
+
+ return ERR_SESSION_CLOSED_BY_REMOTE;
}
} // namespace Kernel
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index 2994fa0ac..c7db21eb2 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -31,8 +31,6 @@ ServerSession::~ServerSession() {
if (parent->port) {
parent->port->ConnectionClosed();
}
-
- parent->server = nullptr;
}
ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kernel,
@@ -46,11 +44,13 @@ ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kern
}
bool ServerSession::ShouldWait(const Thread* thread) const {
- // Closed sessions should never wait, an error will be returned from svcReplyAndReceive.
- if (parent->client == nullptr)
- return false;
// Wait if we have no pending requests, or if we're currently handling a request.
- return pending_requesting_threads.empty() || currently_handling != nullptr;
+ if (auto client = parent->client.lock()) {
+ return pending_requesting_threads.empty() || currently_handling != nullptr;
+ }
+
+ // Closed sessions should never wait, an error will be returned from svcReplyAndReceive.
+ return {};
}
void ServerSession::Acquire(Thread* thread) {
@@ -192,9 +192,9 @@ ServerSession::SessionPair ServerSession::CreateSessionPair(KernelCore& kernel,
std::shared_ptr<ClientSession> client_session = std::make_shared<ClientSession>(kernel);
client_session->name = name + "_Client";
- std::shared_ptr<Session> parent(new Session);
- parent->client = client_session.get();
- parent->server = server_session.get();
+ std::shared_ptr<Session> parent = std::make_shared<Session>();
+ parent->client = client_session;
+ parent->server = server_session;
parent->port = std::move(port);
client_session->parent = parent;
diff --git a/src/core/hle/kernel/session.h b/src/core/hle/kernel/session.h
index ea956813b..94395f9f5 100644
--- a/src/core/hle/kernel/session.h
+++ b/src/core/hle/kernel/session.h
@@ -20,8 +20,8 @@ class ServerSession;
*/
class Session final {
public:
- ClientSession* client = nullptr; ///< The client endpoint of the session.
- ServerSession* server = nullptr; ///< The server endpoint of the session.
+ std::weak_ptr<ClientSession> client; ///< The client endpoint of the session.
+ std::weak_ptr<ServerSession> server; ///< The server endpoint of the session.
std::shared_ptr<ClientPort> port; ///< The port that this session is associated with (optional).
};
} // namespace Kernel