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Simple stack trace for singla handler (unix only)

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Fabio Bas 2015-04-19 19:39:05 +02:00
parent 5f13f89d74
commit 70296dde9a
1 changed files with 14 additions and 0 deletions
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14
servatrice/src/main.cpp
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@ -33,8 +33,12 @@
#include <google/protobuf/stubs/common.h> #include <google/protobuf/stubs/common.h>
#ifdef Q_OS_UNIX #ifdef Q_OS_UNIX
#include <signal.h> #include <signal.h>
#include <execinfo.h>
#include <unistd.h>
#endif #endif
#define SIGSEGV_TRACE_LINES 40
RNG_Abstract *rng; RNG_Abstract *rng;
ServerLogger *logger; ServerLogger *logger;
QThread *loggerThread; QThread *loggerThread;
@ -129,6 +133,16 @@ void myMessageOutput2(QtMsgType /*type*/, const QMessageLogContext &, const QStr
#ifdef Q_OS_UNIX #ifdef Q_OS_UNIX
void sigSegvHandler(int sig) 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) if (sig == SIGSEGV)
logger->logMessage("CRASH: SIGSEGV"); logger->logMessage("CRASH: SIGSEGV");
else if (sig == SIGABRT) else if (sig == SIGABRT)