/[hydra]/hydra/poll_or_select.m4
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Contents of /hydra/poll_or_select.m4

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Revision 1.2 - (show annotations)
Sun Oct 27 10:46:19 2002 UTC (18 years ago) by nmav
Branch: MAIN
CVS Tags: hydra_0_1_6_without_hic, hydra_0_0_9, hydra_0_1_3, hydra_0_1_2, hydra_0_1_1, hydra_0_1_0, hydra_0_1_7, hydra_0_1_6, hydra_0_1_4, hydra_0_1_8, hydra_0_0_10, HEAD
Branch point for: hydra_0_1_0_patches
Changes since 1.1: +8 -8 lines
Added the ability to disable HIC threads by using 0 in the
HICThreads configuration directive.
Hydra now uses poll by default. Select is available using the --with-select
configure option.

1 dnl Exports one of ac_cv_func_poll or ac_cv_func_select
2 AC_DEFUN([POLL_OR_SELECT],
3 [
4 AC_MSG_CHECKING(whether to use poll or select)
5 AC_ARG_WITH(select,
6 [ --with-select Use select instead of poll],
7 [
8 if test "$withval" = "yes" ; then
9 AC_MSG_RESULT(trying select)
10 ac_x=1
11 else
12 AC_MSG_RESULT(trying poll)
13 ac_x=0
14 fi
15 ],
16 [
17 AC_MSG_RESULT(trying poll)
18 ac_x=0
19 ])
20
21 if test $ac_x = 0; then
22 AC_CHECK_HEADERS(sys/poll.h)
23 AC_CHECK_FUNCS(poll)
24 if test "x$ac_cv_func_poll" = "x"; then
25 AC_MSG_ERROR(We attempted to find poll but could not. Please try again with --with-select)
26 fi
27 BOA_ASYNC_IO="poll"
28 else
29 AC_CHECK_HEADERS(sys/select.h)
30 AC_CHECK_FUNCS(select)
31 if test "x$ac_cv_func_select" = "x"; then
32 AC_MSG_ERROR(We attempted to find select but could not. Please try again with --without-select)
33 fi
34 BOA_ASYNC_IO="select"
35 fi
36 ]
37 )
38

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