blob: 5bf051ab4fae68fa00a95952d19290786c70a608 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
dnl #
dnl # 2.6.36 API compatibility- Added usleep_range timer.
dnl #
dnl # usleep_range is a finer precision implementation of msleep
dnl # designed to be a drop-in replacement for udelay where a precise
dnl # sleep / busy-wait is unnecessary.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_USLEEP_RANGE], [
ZFS_LINUX_TEST_SRC([usleep_range], [
#include <linux/delay.h>
],[
usleep_range(0, 0);
])
])
AC_DEFUN([ZFS_AC_KERNEL_USLEEP_RANGE], [
AC_MSG_CHECKING([whether usleep_range() is available])
ZFS_LINUX_TEST_RESULT([usleep_range], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_USLEEP_RANGE, 1, [usleep_range is available])
],[
AC_MSG_RESULT(no)
])
])
|
