From 35280bd4a3fa841897e2638437607fdec6c34f31 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 24 Feb 2013 14:52:17 -0500 Subject: switch epoll_pwait to COMPAT_SYSCALL_DEFINE Signed-off-by: Al Viro --- fs/compat.c | 49 ------------------------------------------------- 1 file changed, 49 deletions(-) (limited to 'fs/compat.c') 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 @@ #include #include #include -#include #include #include #include @@ -1659,54 +1658,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, return ret; } -#ifdef CONFIG_EPOLL - -asmlinkage long compat_sys_epoll_pwait(int epfd, - struct compat_epoll_event __user *events, - int maxevents, int timeout, - const compat_sigset_t __user *sigmask, - compat_size_t sigsetsize) -{ - long err; - compat_sigset_t csigmask; - sigset_t ksigmask, sigsaved; - - /* - * If the caller wants a certain signal mask to be set during the wait, - * we apply it here. - */ - if (sigmask) { - if (sigsetsize != sizeof(compat_sigset_t)) - return -EINVAL; - if (copy_from_user(&csigmask, sigmask, sizeof(csigmask))) - return -EFAULT; - sigset_from_compat(&ksigmask, &csigmask); - sigdelsetmask(&ksigmask, sigmask(SIGKILL) | sigmask(SIGSTOP)); - sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved); - } - - err = sys_epoll_wait(epfd, events, maxevents, timeout); - - /* - * If we changed the signal mask, we need to restore the original one. - * In case we've got a signal while waiting, we do not restore the - * signal mask yet, and we allow do_signal() to deliver the signal on - * the way back to userspace, before the signal mask is restored. - */ - if (sigmask) { - if (err == -EINTR) { - memcpy(¤t->saved_sigmask, &sigsaved, - sizeof(sigsaved)); - set_restore_sigmask(); - } else - sigprocmask(SIG_SETMASK, &sigsaved, NULL); - } - - return err; -} - -#endif /* CONFIG_EPOLL */ - #ifdef CONFIG_FHANDLE /* * Exactly like fs/open.c:sys_open_by_handle_at(), except that it -- cgit v1.2.3