Linux 4.11 compat: add linux/sched/signal.h

In Linux 4.11, torvalds/linux@2a1f062, signal handling related functions
were moved from sched.h into sched/signal.h.

Add configure checks to detect this and include the new file where
needed.

Reviewed-by: Chunwei Chen <david.chen@osnexus.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #608
This commit is contained in:
Olaf Faaland 2017-03-07 15:33:50 -08:00 committed by Brian Behlendorf
parent 94b1ab2ae0
commit 9a054d54fb
2 changed files with 23 additions and 0 deletions

View File

@ -43,6 +43,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
SPL_AC_RWSEM_ACTIVITY
SPL_AC_RWSEM_ATOMIC_LONG_COUNT
SPL_AC_SCHED_RT_HEADER
SPL_AC_SCHED_SIGNAL_HEADER
SPL_AC_4ARGS_VFS_GETATTR
SPL_AC_3ARGS_VFS_GETATTR
SPL_AC_2ARGS_VFS_GETATTR
@ -1411,6 +1412,24 @@ AC_DEFUN([SPL_AC_SCHED_RT_HEADER],
])
])
dnl #
dnl # 4.11 API change,
dnl # Moved things from linux/sched.h to linux/sched/signal.h
dnl #
AC_DEFUN([SPL_AC_SCHED_SIGNAL_HEADER],
[AC_MSG_CHECKING([whether header linux/sched/signal.h exists])
SPL_LINUX_TRY_COMPILE([
#include <linux/sched.h>
#include <linux/sched/signal.h>
],[
return 0;
],[
AC_DEFINE(HAVE_SCHED_SIGNAL_HEADER, 1, [linux/sched/signal.h exists])
AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # 4.11 API, a528d35e@torvalds/linux

View File

@ -27,6 +27,10 @@
#include <linux/sched.h>
#ifdef HAVE_SCHED_SIGNAL_HEADER
#include <linux/sched/signal.h>
#endif
#define FORREAL 0 /* Usual side-effects */
#define JUSTLOOKING 1 /* Don't stop the process */