-/* Copyright (c) 2005-2016. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2005-2018. 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 <mutex>
#include <xbt/backtrace.hpp>
+#include <xbt/config.hpp>
+#include <xbt/ex.hpp>
#include <xbt/exception.hpp>
#include <xbt/log.h>
#include <xbt/log.hpp>
-extern "C" {
XBT_LOG_EXTERNAL_CATEGORY(xbt);
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_exception, xbt, "Exceptions");
-}
namespace simgrid {
namespace xbt {
WithContextException::~WithContextException() = default;
-void logException(
- e_xbt_log_priority_t prio,
- const char* context, std::exception const& exception)
+void log_exception(e_xbt_log_priority_t prio, const char* context, std::exception const& exception)
{
try {
auto name = simgrid::xbt::demangle(typeid(exception).name());
- auto with_context =
- dynamic_cast<const simgrid::xbt::WithContextException*>(&exception);
+ auto* with_context = dynamic_cast<const simgrid::xbt::WithContextException*>(&exception);
if (with_context != nullptr)
- XBT_LOG(prio, "%s %s by %s/%d: %s",
- context, name.get(),
- with_context->processName().c_str(), with_context->pid(),
- exception.what());
+ XBT_LOG(prio, "%s %s by %s/%d: %s", context, name.get(), with_context->process_name().c_str(),
+ with_context->pid(), exception.what());
else
XBT_LOG(prio, "%s %s: %s", context, name.get(), exception.what());
// Do we have a backtrace?
- if (with_context != nullptr) {
- auto backtrace = simgrid::xbt::resolveBacktrace(
- with_context->backtrace().data(), with_context->backtrace().size());
+ if (with_context != nullptr && not simgrid::config::get_value<bool>("exception/cutpath")) {
+ auto backtrace =
+ simgrid::xbt::resolve_backtrace(with_context->backtrace().data(), with_context->backtrace().size());
for (std::string const& s : backtrace)
XBT_LOG(prio, " -> %s", s.c_str());
}
// Do we have a nested exception?
- auto with_nested = dynamic_cast<const std::nested_exception*>(&exception);
+ auto* with_nested = dynamic_cast<const std::nested_exception*>(&exception);
if (with_nested == nullptr || with_nested->nested_ptr() == nullptr)
return;
try {
with_nested->rethrow_nested();
}
catch (std::exception& nested_exception) {
- logException(prio, "Caused by", nested_exception);
+ log_exception(prio, "Caused by", nested_exception);
}
// We could catch nested_exception or WithContextException but we don't bother:
catch (...) {
static void showBacktrace(std::vector<xbt_backtrace_location_t>& bt)
{
- std::vector<std::string> res = resolveBacktrace(&bt[0], bt.size());
+ if (simgrid::config::get_value<bool>("exception/cutpath")) {
+ XBT_LOG(xbt_log_priority_critical, "Display of current backtrace disabled by --cfg=exception/cutpath.");
+ return;
+ }
+ std::vector<std::string> res = resolve_backtrace(&bt[0], bt.size());
XBT_LOG(xbt_log_priority_critical, "Current backtrace:");
for (std::string const& s : res)
XBT_LOG(xbt_log_priority_critical, " -> %s", s.c_str());
// an uncaught exception
static std::atomic_flag lock = ATOMIC_FLAG_INIT;
if (lock.test_and_set()) {
- XBT_ERROR("Multiple uncaught exceptions");
+ XBT_ERROR("Handling an exception raised an exception. Bailing out.");
std::abort();
}
// We manage C++ exception ourselves
catch (std::exception& e) {
- logException(xbt_log_priority_critical, "Uncaught exception", e);
+ log_exception(xbt_log_priority_critical, "Uncaught exception", e);
showBacktrace(bt);
std::abort();
}
}
-void installExceptionHandler()
+void install_exception_handler()
{
static std::once_flag handler_flag;
std::call_once(handler_flag, [] {
previous_terminate_handler = std::set_terminate(handler);
});
}
-
+// deprecated
+void logException(e_xbt_log_priority_t priority, const char* context, std::exception const& exception)
+{
+ log_exception(priority, context, exception);
}
+void installExceptionHandler()
+{
+ install_exception_handler();
+}
+
+} // namespace xbt
}