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Merge pull request #988 from ctrlaltca/servatrice_crash

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Simple stack trace for signal handler (unix only)
This commit is contained in:
Zach 2015-04-19 14:07:52 -04:00
commit 374313a295
1 changed files with 14 additions and 0 deletions
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servatrice/src/main.cpp
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@ -33,8 +33,12 @@
#include <google/protobuf/stubs/common.h>
#ifdef Q_OS_UNIX
#include <signal.h>
#include <execinfo.h>
#include <unistd.h>
#endif
#define SIGSEGV_TRACE_LINES 40
RNG_Abstract *rng;
ServerLogger *logger;
QThread *loggerThread;
@ -129,6 +133,16 @@ void myMessageOutput2(QtMsgType /*type*/, const QMessageLogContext &, const QStr
#ifdef Q_OS_UNIX
void sigSegvHandler(int sig)
{
void *array[SIGSEGV_TRACE_LINES];
size_t size;
// get void*'s for all entries on the stack
size = backtrace(array, SIGSEGV_TRACE_LINES);
// print out all the frames to stderr
fprintf(stderr, "Error: signal %d:\n", sig);
backtrace_symbols_fd(array, size, STDERR_FILENO);
if (sig == SIGSEGV)
logger->logMessage("CRASH: SIGSEGV");
else if (sig == SIGABRT)