_PR_POLL_WITH_SELECT. We could still call FD_SET if the osfd was larger
than FD_SETSIZE. Fixed the bug that _PR_POLL_WITH_SELECT was defined after
the system header files had been included. Need to define it on the
compile command line. Define _USE_BIG_FDS on HP-UX. Because that macro
increases the size of fd_set to about 7500 bytes and PR_Poll allocates 3
fd_sets on the stack, also increased the minimum thread stack size to 128KB
on HP-UX.
Modified Files: configure configure.in _hpux.h _osf1.h ptio.c
git-svn-id: svn://10.0.0.236/trunk@136698 18797224-902f-48f8-a5cc-f745e15eee43
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