ProcessManager on Solaris

[David Daney]

David Daney wrote:
> Bryce McKinlay wrote:
> 
>>
>> libjava uses the regular POSIX threads on Solaris. As Hans mentioned, 
>> we should migrate the boehm-gc to use the standard pthreads code on 
>> Solaris too.
>>
>> The reason why the mask isn't applied to the GC's daemon thread is 
>> that we initialize the GC before we attach the main thread, so the 
>> signal mask isn't applied to the main thread yet. An alternate 
>> solution would be to make sure block_sigchld() gets called from the 
>> main thread before _Jv_InitGC().
>>
> 
> Then this is a latent bug in the boehm-gc/pthread also.
> 
> int libjava/posix-threads.cc _Jv_InitThreads() we must call 
> block_sigchld().  This would fix both the latent pthread bug as well as 
> Eric's Solaris problem.
> 

Attached is an untested patch.  If it solved the Eric's Solaris problem, 
I think it is a better solution.

If this works I can test and commit if desired.

David Daney.
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