bsd: attempt to get past socket()

src/core/hle/service/bsd/bsd_u.cpp

@@ -19,9 +19,27 @@ void BSD_U::RegisterClient(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(0);
 }
 
+void BSD_U::Socket(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    u32 domain = rp.Pop<u32>();
+    u32 type = rp.Pop<u32>();
+    u32 protocol = rp.Pop<u32>();
+
+    LOG_WARNING(Service, "(STUBBED) called domain=%d type=%d protocol=%d", domain, type, protocol);
+
+    u32 fd = next_fd++;
+
+    IPC::RequestBuilder rb{ctx, 3};
+
+    rb.Push<u32>(fd);
+    rb.Push<u32>(0); // bsd errno (no error)
+}
+
 BSD_U::BSD_U() : ServiceFramework("bsd:u") {
     static const FunctionInfo functions[] = {
-        {0, &BSD_U::RegisterClient, "RegisterClient"}
+        {0, &BSD_U::RegisterClient, "RegisterClient"},
+        {2, &BSD_U::Socket, "Socket"}
     };
     RegisterHandlers(functions);
 }

src/core/hle/service/bsd/bsd_u.h

@@ -17,6 +17,10 @@ public:
 
 private:
     void RegisterClient(Kernel::HLERequestContext& ctx);
+    void Socket(Kernel::HLERequestContext& ctx);
+
+    /// Id to use for the next open file descriptor.
+    u32 next_fd = 1;
 };
 
 } // namespace BSD