Re: SIGPROF + SIGCHLD and igc

[Helmut Eller]

>> 1. The profiler periodically sends a signal, say SIGPROF, to the main
>>    thread.
>>
>> 2. In the signal handler for SIGPROF, the main thread synchronizes
>>    itself with the profiler by communicating over a pipe (like the Unix
>>    fathers did it).  It sends some token to the profiler and waits.
>
> ...forever, if the profiler thread has been suspended at this point.

Hmm.  Indeed.  So back to the drawing board.

Helmut