diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-24 14:52:17 -0500 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-03-03 22:58:49 -0500 |
commit | 35280bd4a3fa841897e2638437607fdec6c34f31 (patch) | |
tree | 03c7cb65bcb2cc94c1613944798f780645e64edd /fs/compat.c | |
parent | 19f4fc3aee180000fe45952691bbe69dde1d9e95 (diff) |
switch epoll_pwait to COMPAT_SYSCALL_DEFINE
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/compat.c')
-rw-r--r-- | fs/compat.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/fs/compat.c b/fs/compat.c index 2ae2a98891cd..45137a3832f3 100644 --- a/fs/compat.c +++ b/fs/compat.c | |||
@@ -44,7 +44,6 @@ | |||
44 | #include <linux/signal.h> | 44 | #include <linux/signal.h> |
45 | #include <linux/poll.h> | 45 | #include <linux/poll.h> |
46 | #include <linux/mm.h> | 46 | #include <linux/mm.h> |
47 | #include <linux/eventpoll.h> | ||
48 | #include <linux/fs_struct.h> | 47 | #include <linux/fs_struct.h> |
49 | #include <linux/slab.h> | 48 | #include <linux/slab.h> |
50 | #include <linux/pagemap.h> | 49 | #include <linux/pagemap.h> |
@@ -1659,54 +1658,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, | |||
1659 | return ret; | 1658 | return ret; |
1660 | } | 1659 | } |
1661 | 1660 | ||
1662 | #ifdef CONFIG_EPOLL | ||
1663 | |||
1664 | asmlinkage long compat_sys_epoll_pwait(int epfd, | ||
1665 | struct compat_epoll_event __user *events, | ||
1666 | int maxevents, int timeout, | ||
1667 | const compat_sigset_t __user *sigmask, | ||
1668 | compat_size_t sigsetsize) | ||
1669 | { | ||
1670 | long err; | ||
1671 | compat_sigset_t csigmask; | ||
1672 | sigset_t ksigmask, sigsaved; | ||
1673 | |||
1674 | /* | ||
1675 | * If the caller wants a certain signal mask to be set during the wait, | ||
1676 | * we apply it here. | ||
1677 | */ | ||
1678 | if (sigmask) { | ||
1679 | if (sigsetsize != sizeof(compat_sigset_t)) | ||
1680 | return -EINVAL; | ||
1681 | if (copy_from_user(&csigmask, sigmask, sizeof(csigmask))) | ||
1682 | return -EFAULT; | ||
1683 | sigset_from_compat(&ksigmask, &csigmask); | ||
1684 | sigdelsetmask(&ksigmask, sigmask(SIGKILL) | sigmask(SIGSTOP)); | ||
1685 | sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved); | ||
1686 | } | ||
1687 | |||
1688 | err = sys_epoll_wait(epfd, events, maxevents, timeout); | ||
1689 | |||
1690 | /* | ||
1691 | * If we changed the signal mask, we need to restore the original one. | ||
1692 | * In case we've got a signal while waiting, we do not restore the | ||
1693 | * signal mask yet, and we allow do_signal() to deliver the signal on | ||
1694 | * the way back to userspace, before the signal mask is restored. | ||
1695 | */ | ||
1696 | if (sigmask) { | ||
1697 | if (err == -EINTR) { | ||
1698 | memcpy(¤t->saved_sigmask, &sigsaved, | ||
1699 | sizeof(sigsaved)); | ||
1700 | set_restore_sigmask(); | ||
1701 | } else | ||
1702 | sigprocmask(SIG_SETMASK, &sigsaved, NULL); | ||
1703 | } | ||
1704 | |||
1705 | return err; | ||
1706 | } | ||
1707 | |||
1708 | #endif /* CONFIG_EPOLL */ | ||
1709 | |||
1710 | #ifdef CONFIG_FHANDLE | 1661 | #ifdef CONFIG_FHANDLE |
1711 | /* | 1662 | /* |
1712 | * Exactly like fs/open.c:sys_open_by_handle_at(), except that it | 1663 | * Exactly like fs/open.c:sys_open_by_handle_at(), except that it |