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check for linux eventpoll

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svn:r43
This commit is contained in:
Niels Provos 2003-03-07 23:21:01 +00:00
parent 3e41f17afa
commit 71e513296d
1 changed files with 48 additions and 5 deletions
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53
configure.in
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@ -20,7 +20,7 @@ dnl Checks for libraries.
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(poll.h signal.h unistd.h sys/time.h sys/queue.h sys/event.h)
AC_CHECK_HEADERS(poll.h signal.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h)
if test "x$ac_cv_header_sys_queue_h" = "xyes"; then
AC_MSG_CHECKING(for TAILQ_FOREACH in sys/queue.h)
AC_EGREP_CPP(yes,
@ -71,12 +71,15 @@ if test "x$havepoll" = "xyes" ; then
needsignal=yes
fi
if test "x$needsignal" = "xyes" ; then
AC_LIBOBJ([signal])
haveepoll=no
AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
if test "x$haveepoll" = "xyes" ; then
AC_DEFINE(HAVE_EPOLL, 1,
[Define if your system supports the epoll system calls])
AC_LIBOBJ([epoll])
needsignal=yes
fi
AC_REPLACE_FUNCS(err)
havekqueue=no
if test "x$ac_cv_header_sys_event_h" = "xyes"; then
AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
@ -134,6 +137,46 @@ main(int argc, char **argv)
fi
fi
haveepollsyscall=no
if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
if test "x$haveepoll" = "xno" ; then
AC_MSG_CHECKING(for epoll system call)
AC_TRY_RUN(
#include <stdint.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <sys/epoll.h>
#include <unistd.h>
int
epoll_create(int size)
{
return (syscall(__NR_epoll_create, size));
}
int
main(int argc, char **argv)
{
int epfd;
epfd = epoll_create(256);
exit (epfd == -1 ? 1 : 0);
}, [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_EPOLL, 1,
[Define if your system supports the epoll system calls])
needsignal=yes
AC_LIBOBJ([epoll_sub])
AC_LIBOBJ([epoll])], AC_MSG_RESULT(no), AC_MSG_RESULT(no))
fi
fi
if test "x$needsignal" = "xyes" ; then
AC_LIBOBJ([signal])
fi
AC_REPLACE_FUNCS(err)
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPE(u_int64_t, unsigned long long)