Function handler

src/launch/xstudio/src/xstudio.cpp:96–122

#include <DbgHelp.h>

void handler(int sig) {
    void *stack[10];
    HANDLE process = GetCurrentProcess();
    SymInitialize(process, nullptr, TRUE);

    // Capture the call stack
    WORD frames = CaptureStackBackTrace(0, 10, stack, nullptr);

    // Print out the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    for (int i = 0; i < frames; ++i) {
        DWORD64 address = reinterpret_cast<DWORD64>(stack[i]);
        char symbolBuffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
        SYMBOL_INFO *symbol  = reinterpret_cast<SYMBOL_INFO *>(symbolBuffer);
        symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
        symbol->MaxNameLen   = MAX_SYM_NAME;

        if (SymFromAddr(process, address, nullptr, symbol)) {
            fprintf(stderr, "%d: %s\n", i, symbol->Name);
        } else {
            fprintf(stderr, "%d: [Unknown Symbol]\n", i);
        }
    }

    SymCleanup(process);
    exit(1);
}
#else
void handler(int sig) {
    void *array[10];