Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6d18c9220965b437287c3a7e803725c24992ceac
Commit: 6d18c9220965b437287c3a7e803725c24992ceac
Parent: 2121e24bd8dd16b4e3f8d995428e2a748d5180cc
Author: Davide Libenzi <[EMAIL PROTECTED]>
AuthorDate: Thu May 10 22:23:15 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri May 11 08:29:36 2007 -0700
signal/timer/event: signalfd compat code
This patch implements the necessary compat code for the signalfd system
call.
Signed-off-by: Davide Libenzi <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
fs/compat.c | 26 ++++++++++++++++++++++++++
1 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/fs/compat.c b/fs/compat.c
index 9cf75df..2487b83 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -46,6 +46,7 @@
#include <linux/tsacct_kern.h>
#include <linux/security.h>
#include <linux/highmem.h>
+#include <linux/signal.h>
#include <linux/poll.h>
#include <linux/mm.h>
#include <linux/eventpoll.h>
@@ -2199,3 +2200,28 @@ asmlinkage long compat_sys_epoll_pwait(int epfd,
#endif /* TIF_RESTORE_SIGMASK */
#endif /* CONFIG_EPOLL */
+
+#ifdef CONFIG_SIGNALFD
+
+asmlinkage long compat_sys_signalfd(int ufd,
+ const compat_sigset_t __user *sigmask,
+ compat_size_t sigsetsize)
+{
+ compat_sigset_t ss32;
+ sigset_t tmp;
+ sigset_t __user *ksigmask;
+
+ if (sigsetsize != sizeof(compat_sigset_t))
+ return -EINVAL;
+ if (copy_from_user(&ss32, sigmask, sizeof(ss32)))
+ return -EFAULT;
+ sigset_from_compat(&tmp, &ss32);
+ ksigmask = compat_alloc_user_space(sizeof(sigset_t));
+ if (copy_to_user(ksigmask, &tmp, sizeof(sigset_t)))
+ return -EFAULT;
+
+ return sys_signalfd(ufd, ksigmask, sizeof(sigset_t));
+}
+
+#endif /* CONFIG_SIGNALFD */
+
-
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