Function _cmsGetTime

contrib/libs/lcms2/src/cmsplugin.c:1028–1055

Use context mutex to provide thread-safe time

// Use context mutex to provide thread-safe time
cmsBool _cmsGetTime(struct tm* ptr_time)
{
    struct tm* t;
#if defined(HAVE_GMTIME_R) || defined(HAVE_GMTIME_S)
    struct tm tm;
#endif

    time_t now = time(NULL);

#ifdef HAVE_GMTIME_R
    t = gmtime_r(&now, &tm);
#elif defined(HAVE_GMTIME_S)
    t = gmtime_s(&tm, &now) == 0 ? &tm : NULL;
#else
    if (!InitContextMutex()) return FALSE;

    _cmsEnterCriticalSectionPrimitive(&_cmsContextPoolHeadMutex);
    t = gmtime(&now);
    _cmsLeaveCriticalSectionPrimitive(&_cmsContextPoolHeadMutex);
#endif

    if (t == NULL) 
        return FALSE;
    else {
        *ptr_time = *t;
        return TRUE;
    }
}