VuoException.cc

Go to the documentation of this file.

 
#include "VuoException.hh"
 
#include <iostream>
#include <sstream>
 
using namespace std;
 
VuoException::VuoException(const string &description, bool log)
{
    this->description = description;
    this->backtrace = VuoLog_getBacktrace();
 
    if (log)
    {
        if (backtrace.size() < 3)
        {
            VUserLog("%s", description.c_str());
            return;
        }
 
        ostringstream oss;
        oss << description << endl;
        oss << "Exception occurred at:" << endl;
 
        // Skip the VuoException constructor.
        backtrace.erase(backtrace.begin());
 
        int i = 1;
        for (auto line : backtrace)
        {
            char *lineNumber;
            asprintf(&lineNumber, "%3d ", i++);
            oss << lineNumber << line << endl;
            free(lineNumber);
        }
 
        string dispatchQueue = dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL);
        if (dispatchQueue != "com.apple.root.default-qos")
            oss << "Queue: " << dispatchQueue << endl;
 
        char threadName[256];
        bzero(threadName, 256);
        int ret = pthread_getname_np(pthread_self(), threadName, 256);
        if (ret == 0 && strlen(threadName))
            oss << "Thread: " << threadName << endl;
 
        // Use VLog so it appears in crash reports.
        VUserLog("%s", oss.str().c_str());
    }
}
 
VuoException::~VuoException(void) throw()
{
}
 
const char *VuoException::what() const throw()
{
    return description.c_str();
}
 
const vector<string> &VuoException::getBacktrace()
{
    return backtrace;
}