The patch titled
signal/timer/event: signalfd compat code
has been added to the -mm tree. Its filename is
signal-timer-event-fds-v9-signalfd-compat-code.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: signal/timer/event: signalfd compat code
From: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>
This patch implements the necessary compat code for the signalfd system call.
Signed-off-by: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/compat.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff -puN fs/compat.c~signal-timer-event-fds-v9-signalfd-compat-code fs/compat.c
--- a/fs/compat.c~signal-timer-event-fds-v9-signalfd-compat-code
+++ a/fs/compat.c
@@ -46,6 +46,7 @@
#include <linux/rwsem.h>
#include <linux/tsacct_kern.h>
#include <linux/highmem.h>
+#include <linux/signal.h>
#include <linux/poll.h>
#include <linux/mm.h>
#include <linux/eventpoll.h>
@@ -2349,3 +2350,28 @@ asmlinkage long compat_sys_epoll_pwait(i
#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 */
+
_
Patches currently in -mm which might be from davidel@xxxxxxxxxxxxxxx are
origin.patch
epoll-optimizations-and-cleanups.patch
epoll-optimizations-and-cleanups-tidy.patch
signal-timer-event-fds-v9-anonymous-inode-source.patch
signal-timer-event-fds-v9-signalfd-core.patch
signal-timer-event-fds-v9-signalfd-wire-up-i386-arch.patch
signal-timer-event-fds-v9-signalfd-wire-up-x86_64-arch.patch
signal-timer-event-fds-v9-signalfd-compat-code.patch
signal-timer-event-fds-v9-timerfd-core.patch
signal-timer-event-fds-v9-timerfd-wire-up-i386-arch.patch
signal-timer-event-fds-v9-timerfd-wire-up-x86_64-arch.patch
signal-timer-event-fds-v9-timerfd-compat-code.patch
signal-timer-event-fds-v9-eventfd-core.patch
signal-timer-event-fds-v9-eventfd-wire-up-i386-arch.patch
signal-timer-event-fds-v9-eventfd-wire-up-x86_64-arch.patch
signal-timer-event-fds-v9-kaio-eventfd-support-example.patch
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