The patch titled
signal/timer/event: signalfd compat code
has been removed from the -mm tree. Its filename was
signal-timer-event-fds-v9-signalfd-compat-code.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
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/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(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
compat-signalfd-and-timerfd-are-cond-syscalls.patch
x86_64-use-signalfd-and-timerfd-compat-syscalls.patch
-
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