Print stack trace upon exceptions

Useful for debugging users' logs

1 files changed, 53 insertions, 0 deletions

diff --git a/src/common/exception.h b/src/common/exception.h
new file mode 100644
index 000000000..93e0d4013
--- /dev/null
+++ b/src/common/exception.h
@@ -0,0 +1,53 @@
+// Copyright (c) 2016, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef MONERO_EXCEPTION_H
+#define MONERO_EXCEPTION_H
+
+#include <stdexcept>
+#include <string>
+
+namespace tools
+{
+
+void log_stack_trace(const char *msg);
+
+class exception: public std::exception {
+public:
+  exception() { log_stack_trace(what()); }
+};
+
+class runtime_error: public std::runtime_error {
+public:
+  explicit runtime_error(const std::string &s): std::runtime_error(s) { log_stack_trace(what()); }
+  explicit runtime_error(const char *s): std::runtime_error(s) { log_stack_trace(what()); }
+};
+
+}  // namespace tools
+
+#endif