lsst::log::detail Namespace Reference

Classes
class	PyLogAppender
	This class defines special log4cxx appender which "appends" log messages to Python logging. More...
class	PyObjectPtr
	Smart pointer class for PyObject instances. More...

Functions
unsigned	lwpID ()

Function Documentation

lwpID()

unsigned lsst::log::detail::lwpID

(

)

Definition at line 40 of file lwpID.cc.

                 {
 
#if defined(__linux__)
 
    // On Linux have to do syscall
    auto lwp = syscall(SYS_gettid);
 
#elif defined(__APPLE__)
 
    // OSX has a special Pthreads function to find out PID
    auto lwp = pthread_mach_thread_np(pthread_self());
 
#else
 
    // On all other system just generate incremental number and call it LWP
    static std::atomic<unsigned> threadNum(0);
    thread_local static auto lwp = ++threadNum;
 
#endif
 
    return static_cast<unsigned>(lwp);
}