trace - sets trace flags and returns the old ones int trace( int traceflags ); This efun is only available if TRACE and PACKAGE_DEVELOP are compiled in. Sets the trace flags and returns the old trace flags. When tracing is on a lot of information is printed during execution. The trace bits are:
* 1 - Trace all function calls to lfuns. * 2 - Trace all calls to "call_other". * 4 - Trace all function returns. * 8 - Print arguments at function calls and return values. * 16 - Print all executed stack machine instructions (produces a lot of output!). * 32 - Enable trace in heart beat functions. * 64 - Trace calls to apply. * 128 - Show object name in tracing.
See also: traceprefix Tim Hollebeek Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere