TIme limits for bjam actions. [testing monitored]

From: Rene Rivera (grafik.list_at_[hidden])
Date: 2005-10-10 15:44:54

I just checked in changes to implement a new bjam option:

-lx Limit actions to x number of seconds after which they are 
stopped.

This is somewhat what the current build monitor program does but is 
implemented with knowledge of the process internals. This allows it to 
stop actions in any context, although with some rather entertaining 
effects. Currently this is only implemented on Windows NT and above. So 
Unix, Linux, POSIX implementations are welcome.

The rather interesting effects on Windows is that even though this will 
kill off the running action it will not close the assertion and other 
dialogs as those are put up by the JIT debug process and the bjam 
solution exclusively kills processes that it launches. But the JIT debug 
process can only put up one of those dialogs at a time so if one closes 
the next one will pop up even though the process might be long gone at 
that point.

And since I'm exclusively killing sub-processes it solves the build 
monitor problem of closing off unrelated windows.

Enjoy; code is in HEAD.

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