-asmlinkage long compat_sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen,
- const compat_sigset_t __user *sigmask,
- compat_size_t sigsetsize, int flags)
-{
- compat_sigset_t ss32;
- sigset_t ksigmask, sigsaved;
- int ret;
-
- if (sigmask) {
- if (sigsetsize != sizeof(compat_sigset_t))
- return -EINVAL;
- if (copy_from_user(&ss32, sigmask, sizeof(ss32)))
- return -EFAULT;
- sigset_from_compat(&ksigmask, &ss32);
-
- sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP));
- sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
- }
-
- ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
-
- if (ret == -ERESTARTNOHAND) {
- /*
- * Don't restore the signal mask yet. Let do_signal() deliver
- * the signal on the way back to userspace, before the signal
- * mask is restored.
- */
- if (sigmask) {
- memcpy(¤t->saved_sigmask, &sigsaved,
- sizeof(sigsaved));
- set_restore_sigmask();
- }
- } else if (sigmask)
- sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-
- return ret;
-}
-