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

[Davide Libenzi]

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	2007-03-10 15:58:03.000000000 -0800
+++ linux-2.6.20.ep2/fs/compat.c	2007-03-10 15:58:12.000000000 -0800
@@ -2257,3 +2257,23 @@
 	return sys_signalfd(ufd, ksigmask, sizeof(sigset_t));
 }
 
+
+asmlinkage long compat_sys_timerfd(int ufd, int clockid, int tmrtype,
+				   const struct compat_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, clockid, tmrtype, ut);
+err_exit:
+	return res;
+}
+
-
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