Merge pull request #641 from Sonicadvance1/uninstall_handlers

Uninstalls both the signal delegator and logmanager handlers on shutdown

Source/Tests/ELFLoader.cpp

@@ -277,10 +277,15 @@ int main(int argc, char **argv, char **const envp) {
 
   auto ProgramStatus = FEXCore::Context::GetProgramStatus(CTX);
 
+  SyscallHandler.reset();
+  SignalDelegation.reset();
   FEXCore::Context::DestroyContext(CTX);
 
   FEXCore::Config::Shutdown();
 
+  LogMan::Throw::UnInstallHandlers();
+  LogMan::Msg::UnInstallHandlers();
+
   if (OutputFD != stderr &&
       OutputFD != stdout &&
       OutputFD != nullptr) {

Source/Tests/LinuxSyscalls/SignalDelegator.cpp

@@ -317,6 +317,21 @@ namespace FEX::HLE {
     }
   }
 
+  SignalDelegator::~SignalDelegator() {
+    for (int i = 0; i < MAX_SIGNALS; ++i) {
+      if (i == 0 ||
+          i == SIGKILL ||
+          i == SIGSTOP ||
+          !HostHandlers[i].Installed
+          ) {
+        continue;
+      }
+      sigaction(i, &HostHandlers[i].OldAction, nullptr);
+      HostHandlers[i].Installed = false;
+    }
+    GlobalDelegator = nullptr;
+  }
+
   void SignalDelegator::RegisterTLSState(FEXCore::Core::InternalThreadState *Thread) {
     ThreadData.Thread = Thread;
 

Source/Tests/LinuxSyscalls/SignalDelegator.h

@@ -22,6 +22,7 @@ namespace FEX::HLE {
     // Returns true if the host handled the signal
     // Arguments are the same as sigaction handler
     SignalDelegator();
+    virtual ~SignalDelegator();
 
     /**
      * @brief Registers an emulated thread's object to a TLS object