Is it safe to compile multiple ports at the same time ?
vivek at khera.org
Wed May 17 13:50:30 UTC 2006
On May 17, 2006, at 2:00 AM, Vasil Dimov wrote:
> Ofcourse if B depends also on Y it can fallback to building Y if it
> cannot gain exclusive lock on X.
If you do that, then you get a lock on Y, which may also happen to be
a dependency of X, and now you have deadlock.
You also need to ensure that all ports specify dependencies in the
same order (or at least take the locks in the same order) else you
will deadlock at some point if you allow the port to take more than
one lock at a time.
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