objective c - How do I get XCode to break on all console / log messages? -


i have message seems core foundation printing debug console in xcode (os x app), "cgcontextgetcompositeoperation: invalid context 0x0. serious error....".

i don't know in app line being generated. (big app)

i tried breaking on nslog(), cflog() syslog(), printf(), fprintf, , none of breakpoints stop on output. of breakpoints work if test them, etc.

is there symbol can break on stop every time message printed console?

or there function apple uses can break on?


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