signal/timer/event: timerfd compat code

This patch implements the necessary compat code for the timerfd system call.

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 70a157a130bb..636502c02734 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -225,6 +225,11 @@ static inline int compat_timespec_compare(struct compat_timespec *lhs,
         return lhs->tv_nsec - rhs->tv_nsec;
 }
 
+extern int get_compat_itimerspec(struct itimerspec *dst,
+                                 const struct compat_itimerspec __user *src);
+extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
+                                 const struct itimerspec *src);
+
 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
 
 extern int compat_printk(const char *fmt, ...);