des 87bbd0b031 Install a SIGCHLD handler so select(2) will be interrupted when a child
terminates.  Without this patch, 'make -j1 buildworld' takes about 30%
longer than 'make -B buildworld' on my 2.4 GHz P4; the difference is
probably even larger on faster systems.  With this patch, there is no
perceptible difference in wall time between the two.

Submitted by:	bde
MFC after:	3 days
2003-12-13 15:26:27 +00:00
..
2003-02-03 04:15:53 +00:00
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