15 years later, I finally managed to kill host/model:compound

[simgrid.git] / src / xbt / exception.cpp

diff --git a/src/xbt/exception.cpp b/src/xbt/exception.cpp
index 8b9c3d32199b523091dd3a368d849f5c177baf21..5aa9eae501fd59fc754eb982bb1b556c70d06103 100644 (file)
--- a/src/xbt/exception.cpp
+++ b/src/xbt/exception.cpp
@@ -1,10 +1,9 @@
-/* Copyright (c) 2005-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2005-2023. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "simgrid/Exception.hpp"
-#include "src/kernel/context/Context.hpp"
 #include <xbt/config.hpp>
 #include <xbt/log.hpp>
 
@@ -25,8 +24,7 @@ void _xbt_throw(char* message, const char* file, int line, const char* func)
   throw e;
 }
 
-namespace simgrid {
-namespace xbt {
+namespace simgrid::xbt {
 
 ImpossibleError::~ImpossibleError()         = default;
 InitializationError::~InitializationError() = default;
@@ -79,17 +77,15 @@ static void show_backtrace(const simgrid::xbt::Backtrace& bt)
 
 static std::terminate_handler previous_terminate_handler = nullptr;
 
-static void handler()
+XBT_ATTRIB_NORETURN static void handler()
 {
   // Avoid doing crazy things if we get an uncaught exception inside an uncaught exception
-  static std::atomic_flag lock = ATOMIC_FLAG_INIT;
-  if (lock.test_and_set()) {
+  if (static std::atomic_flag lock = ATOMIC_FLAG_INIT; lock.test_and_set()) {
     XBT_ERROR("Handling an exception raised an exception. Bailing out.");
     std::abort();
   }
 
-  // Get the current backtrace and exception
-  simgrid::xbt::Backtrace bt = simgrid::xbt::Backtrace();
+  // Get the current exception and show backtrace
   try {
     std::rethrow_exception(std::current_exception());
   }
@@ -107,8 +103,7 @@ static void handler()
   }
 
   catch (const simgrid::ForcefulKillException&) {
-    XBT_ERROR("Received a ForcefulKillException at the top-level exception handler. Maybe a Java->C++ call that is not "
-              "protected in a try/catch?");
+    XBT_ERROR("Received a ForcefulKillException at the top-level exception handler. Please help fix this bug.");
   }
 
   // We don't know how to manage other exceptions
@@ -120,7 +115,7 @@ static void handler()
     }
     XBT_ERROR("Unknown uncaught exception");
   }
-  show_backtrace(bt);
+  show_backtrace(simgrid::xbt::Backtrace());
   std::abort();
 }
 
@@ -132,8 +127,7 @@ void install_exception_handler()
   });
 }
 
-} // namespace xbt
-} // namespace simgrid
+} // namespace simgrid::xbt
 
 void xbt_throw_impossible(const char* file, int line, const char* func)
 {