Simplify threading model a bit.

src/ipc.cc

@@ -43,12 +43,6 @@ const char* IpcIdToString(IpcId id) {
     return "$cquery/freshenIndex";
   }
 
-  case IpcId::Quit:
-    return "$quit";
-  case IpcId::IsAlive:
-    return "$isAlive";
-  case IpcId::OpenProject:
-    return "$openProject";
   case IpcId::Cout:
     return "$cout";
   default:

src/ipc.h

@@ -29,9 +29,6 @@ enum class IpcId : int {
   CqueryFreshenIndex,
 
   // Internal implementation detail.
-  Quit,
-  IsAlive,
-  OpenProject,
   Cout
 };
 MAKE_ENUM_HASHABLE(IpcId)
@@ -48,22 +45,6 @@ struct IpcMessage : public BaseIpcMessage {
   IpcMessage() : BaseIpcMessage(T::kIpcId) {}
 };
 
-struct Ipc_Quit : public IpcMessage<Ipc_Quit> {
-  static constexpr IpcId kIpcId = IpcId::Quit;
-};
-MAKE_REFLECT_EMPTY_STRUCT(Ipc_Quit);
-
-struct Ipc_IsAlive : public IpcMessage<Ipc_IsAlive> {
-  static constexpr IpcId kIpcId = IpcId::IsAlive;
-};
-MAKE_REFLECT_EMPTY_STRUCT(Ipc_IsAlive);
-
-struct Ipc_OpenProject : public IpcMessage<Ipc_OpenProject> {
-  static constexpr IpcId kIpcId = IpcId::OpenProject;
-  std::string project_path;
-};
-MAKE_REFLECT_STRUCT(Ipc_OpenProject, project_path);
-
 struct Ipc_Cout : public IpcMessage<Ipc_Cout> {
   static constexpr IpcId kIpcId = IpcId::Cout;
   std::string content;

src/platform_linux.cc

@@ -149,8 +149,6 @@ std::string NormalizePath(const std::string& path) {
 }
 
 bool TryMakeDirectory(const std::string& absolute_path) {
-  std::cerr << "!! TryMakeDirectory " << absolute_path << std::endl;
-
   const mode_t kMode = 0777; // UNIX style permissions
   if (mkdir(absolute_path.c_str(), kMode) == -1) {
     // Success if the directory exists.

src/platform_win.cc

@@ -150,7 +150,6 @@ std::string NormalizePath(const std::string& path) {
 }
 
 bool TryMakeDirectory(const std::string& absolute_path) {
-  std::cerr << "!! TryMakeDirectory " << absolute_path << std::endl;
   if (_mkdir(absolute_path.c_str()) == -1) {
     // Success if the directory exists.
     return errno == EEXIST;