zfs/config/kernel-kthread.m4

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AC_DEFUN([ZFS_AC_KERNEL_KTHREAD_COMPLETE_AND_EXIT], [
dnl #
dnl # 5.17 API,
dnl # cead18552660702a4a46f58e65188fe5f36e9dfe ("exit: Rename complete_and_exit to kthread_complete_and_exit")
dnl #
dnl # Also moves the definition from include/linux/kernel.h to include/linux/kthread.h
dnl #
AC_MSG_CHECKING([whether kthread_complete_and_exit() is available])
ZFS_LINUX_TEST_RESULT([kthread_complete_and_exit], [
AC_MSG_RESULT(yes)
AC_DEFINE(SPL_KTHREAD_COMPLETE_AND_EXIT, kthread_complete_and_exit, [kthread_complete_and_exit() available])
], [
AC_MSG_RESULT(no)
AC_DEFINE(SPL_KTHREAD_COMPLETE_AND_EXIT, complete_and_exit, [using complete_and_exit() instead])
])
])
AC_DEFUN([ZFS_AC_KERNEL_KTHREAD_DEQUEUE_SIGNAL_4ARG], [
dnl #
dnl # 5.17 API: enum pid_type * as new 4th dequeue_signal() argument,
dnl # 5768d8906bc23d512b1a736c1e198aa833a6daa4 ("signal: Requeue signals in the appropriate queue")
dnl #
dnl # int dequeue_signal(struct task_struct *task, sigset_t *mask, kernel_siginfo_t *info);
dnl # int dequeue_signal(struct task_struct *task, sigset_t *mask, kernel_siginfo_t *info, enum pid_type *type);
dnl #
AC_MSG_CHECKING([whether dequeue_signal() takes 4 arguments])
ZFS_LINUX_TEST_RESULT([kthread_dequeue_signal], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DEQUEUE_SIGNAL_4ARG, 1, [dequeue_signal() takes 4 arguments])
], [
AC_MSG_RESULT(no)
])
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD_COMPLETE_AND_EXIT], [
ZFS_LINUX_TEST_SRC([kthread_complete_and_exit], [
#include <linux/kthread.h>
], [
struct completion *completion = NULL;
long code = 0;
kthread_complete_and_exit(completion, code);
])
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD_DEQUEUE_SIGNAL_4ARG], [
ZFS_LINUX_TEST_SRC([kthread_dequeue_signal], [
#include <linux/sched/signal.h>
], [
struct task_struct *task = NULL;
sigset_t *mask = NULL;
kernel_siginfo_t *info = NULL;
enum pid_type *type = NULL;
int error __attribute__ ((unused));
error = dequeue_signal(task, mask, info, type);
])
])
AC_DEFUN([ZFS_AC_KERNEL_KTHREAD], [
ZFS_AC_KERNEL_KTHREAD_COMPLETE_AND_EXIT
ZFS_AC_KERNEL_KTHREAD_DEQUEUE_SIGNAL_4ARG
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_KTHREAD], [
ZFS_AC_KERNEL_SRC_KTHREAD_COMPLETE_AND_EXIT
ZFS_AC_KERNEL_SRC_KTHREAD_DEQUEUE_SIGNAL_4ARG
])