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authorDavide Libenzi <davidel@xmailserver.org>2007-05-10 22:23:18 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 08:29:36 -0700
commit83f5d1266926c75890f1bc4678e49d79483cb573 (patch)
treeae97719503b7fe3688413655d89772bb8b644312 /fs/compat.c
parent57ac8898508638ca6d15ecd8b911a431d673ff30 (diff)
downloadlwn-83f5d1266926c75890f1bc4678e49d79483cb573.tar.gz
lwn-83f5d1266926c75890f1bc4678e49d79483cb573.zip
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>
Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 2487b83b18df..7b21b0a82596 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -2225,3 +2225,26 @@ asmlinkage long compat_sys_signalfd(int ufd,
#endif /* CONFIG_SIGNALFD */
+#ifdef CONFIG_TIMERFD
+
+asmlinkage long compat_sys_timerfd(int ufd, int clockid, int flags,
+ const struct compat_itimerspec __user *utmr)
+{
+ long res;
+ struct itimerspec t;
+ struct itimerspec __user *ut;
+
+ res = -EFAULT;
+ if (get_compat_itimerspec(&t, utmr))
+ goto err_exit;
+ ut = compat_alloc_user_space(sizeof(*ut));
+ if (copy_to_user(ut, &t, sizeof(t)) )
+ goto err_exit;
+
+ res = sys_timerfd(ufd, clockid, flags, ut);
+err_exit:
+ return res;
+}
+
+#endif /* CONFIG_TIMERFD */
+