[patch 9/9] signalfd/timerfd v1 - timerfd compat code ...

From: Davide Libenzi
Date: Fri Mar 09 2007 - 18:42:35 EST


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


Signed-off-by: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>


- Davide



Index: linux-2.6.20.ep2/fs/compat.c
===================================================================
--- linux-2.6.20.ep2.orig/fs/compat.c 2007-03-09 12:56:04.000000000 -0800
+++ linux-2.6.20.ep2/fs/compat.c 2007-03-09 15:36:21.000000000 -0800
@@ -2257,3 +2257,23 @@
return sys_signalfd(ufd, ksigmask, sizeof(sigset_t));
}

+
+asmlinkage long compat_sys_timerfd(int ufd, int tmrtype,
+ const struct timespec __user *utmr)
+{
+ long res;
+ struct timespec t;
+ struct timespec __user *ut;
+
+ res = -EFAULT;
+ if (get_compat_timespec(&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, tmrtype, ut);
+err_exit:
+ return res;
+}
+

-
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