#1 endless looping on wait call

[Arjan de Vet]

The wait call returns -1 when there are no child
processes left. The code does not handle this situation
and the parent ends up in an endless loop which can
only be stopped with a control-C.

The attached patch seems to fix this.

[Arjan de Vet]

[Lluis Mora Hidalgo]

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Hi, thanks for your report, greatly appreciated.

It should never happen that there are no child processes
left, teoretically as each process dies (because it reached
the "max_per_slave" limit) a new process is forked to
replace it.

For some time the CVS code had a problem and children died
without being respawned, but I think it is fixed now.

Can you reproduce the problem (e.g. running out of worker
processes) without applying the patch? If so, could you
please post/send the httpush.debug file the program
generates when run with the -d switch. Make sure you
checkout the latest version before reproducing it, please.