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root/svn/ircd-hybrid/trunk/acinclude.m4

Comparing ircd-hybrid/trunk/acinclude.m4 (file contents):
Revision 1670 by michael, Tue Nov 20 21:30:04 2012 UTC vs.
Revision 1736 by michael, Sun Jan 13 09:31:46 2013 UTC

#	Line 24 | Line 24 | AC_DEFUN([AX_ARG_ENABLE_IOLOOP_MECHANISM
24		AC_ARG_ENABLE([kqueue], [AS_HELP_STRING([--enable-kqueue], [Force kqueue usage.])], [desired_iopoll_mechanism="kqueue"])
25		AC_ARG_ENABLE([epoll],  [AS_HELP_STRING([--enable-epoll],  [Force epoll usage.])],  [desired_iopoll_mechanism="epoll"])
26		AC_ARG_ENABLE([devpoll],[AS_HELP_STRING([--enable-devpoll],[Force devpoll usage.])],[desired_iopoll_mechanism="devpoll"])
27	–	AC_ARG_ENABLE([rtsigio],[AS_HELP_STRING([--enable-rtsigio],[Force rtsigio usage.])],[desired_iopoll_mechanism="rtsigio"])
27		AC_ARG_ENABLE([poll],   [AS_HELP_STRING([--enable-poll],   [Force poll usage.])],   [desired_iopoll_mechanism="poll"])
28		AC_ARG_ENABLE([select], [AS_HELP_STRING([--enable-select], [Force select usage.])], [desired_iopoll_mechanism="select"])
29		dnl }}}
#	Line 85 | Line 84 | _syscall1(int, epoll_create, int, size)
84		AC_DEFINE([HAVE_SYS_DEVPOLL_H],[1],[Define to 1 if you have the <sys/devpoll.h> header file.])
85		fi
86		dnl }}}
88	–	dnl {{{ check for rtsigio mechanism support
89	–	iopoll_mechanism_rtsigio=4
90	–	AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_RTSIGIO],[$iopoll_mechanism_rtsigio],[rtsigio mechanism])
91	–	AC_RUN_IFELSE([AC_LANG_PROGRAM([[
92	–	#define _GNU_SOURCE
93	–	#include <fcntl.h>
94	–	static unsigned int have_f_setsig = 0;
95	–	]], [[
96	–	#ifdef F_SETSIG
97	–	have_f_setsig = 1;
98	–	#endif
99	–	return have_f_setsig == 0;
100	–	]])], [is_rtsigio_mechanism_available="yes"],[is_rtsigio_mechanism_available="no"])
101	–	dnl }}}
87		dnl {{{ check for poll mechanism support
88	<	iopoll_mechanism_poll=5
88	>	iopoll_mechanism_poll=4
89		AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_POLL],[$iopoll_mechanism_poll],[poll mechanism])
90		AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([poll])],[is_poll_mechanism_available="yes"],[is_poll_mechanism_available="no"])
91		dnl }}}
92		dnl {{{ check for select mechanism support
93	<	iopoll_mechanism_select=6
93	>	iopoll_mechanism_select=5
94		AC_DEFINE_UNQUOTED([__IOPOLL_MECHANISM_SELECT],[$iopoll_mechanism_select],[select mechanism])
95		AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([select])],[is_select_mechanism_available="yes"],[is_select_mechanism_available="no"])
96		dnl }}}
97		dnl {{{ determine the optimal mechanism
98		optimal_iopoll_mechanism="none"
99	<	for mechanism in "kqueue" "epoll" "devpoll" "rtsigio" "poll" "select" ; do # order is important
99	>	for mechanism in "kqueue" "epoll" "devpoll" "poll" "select" ; do # order is important
100		eval "is_optimal_iopoll_mechanism_available=\$is_${mechanism}_mechanism_available"
101		if test "$is_optimal_iopoll_mechanism_available" = "yes" ; then
102		optimal_iopoll_mechanism="$mechanism"

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