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-rw-r--r--lib/libedit/sig.c207
1 files changed, 0 insertions, 207 deletions
diff --git a/lib/libedit/sig.c b/lib/libedit/sig.c
deleted file mode 100644
index f37a12e75e69..000000000000
--- a/lib/libedit/sig.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/* $NetBSD: sig.c,v 1.24 2016/02/16 19:08:41 christos Exp $ */
-
-/*-
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Christos Zoulas of Cornell University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "config.h"
-#if !defined(lint) && !defined(SCCSID)
-#if 0
-static char sccsid[] = "@(#)sig.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: sig.c,v 1.24 2016/02/16 19:08:41 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * sig.c: Signal handling stuff.
- * our policy is to trap all signals, set a good state
- * and pass the ball to our caller.
- */
-#include <errno.h>
-#include <stdlib.h>
-
-#include "el.h"
-#include "common.h"
-
-private EditLine *sel = NULL;
-
-private const int sighdl[] = {
-#define _DO(a) (a),
- ALLSIGS
-#undef _DO
- - 1
-};
-
-private void sig_handler(int);
-
-/* sig_handler():
- * This is the handler called for all signals
- * XXX: we cannot pass any data so we just store the old editline
- * state in a private variable
- */
-private void
-sig_handler(int signo)
-{
- int i, save_errno;
- sigset_t nset, oset;
-
- save_errno = errno;
- (void) sigemptyset(&nset);
- (void) sigaddset(&nset, signo);
- (void) sigprocmask(SIG_BLOCK, &nset, &oset);
-
- sel->el_signal->sig_no = signo;
-
- switch (signo) {
- case SIGCONT:
- tty_rawmode(sel);
- if (ed_redisplay(sel, 0) == CC_REFRESH)
- re_refresh(sel);
- terminal__flush(sel);
- break;
-
- case SIGWINCH:
- el_resize(sel);
- break;
-
- default:
- tty_cookedmode(sel);
- break;
- }
-
- for (i = 0; sighdl[i] != -1; i++)
- if (signo == sighdl[i])
- break;
-
- (void) sigaction(signo, &sel->el_signal->sig_action[i], NULL);
- sel->el_signal->sig_action[i].sa_handler = SIG_ERR;
- sel->el_signal->sig_action[i].sa_flags = 0;
- sigemptyset(&sel->el_signal->sig_action[i].sa_mask);
- (void) sigprocmask(SIG_SETMASK, &oset, NULL);
- (void) kill(0, signo);
- errno = save_errno;
-}
-
-
-/* sig_init():
- * Initialize all signal stuff
- */
-protected int
-sig_init(EditLine *el)
-{
- size_t i;
- sigset_t *nset, oset;
-
- el->el_signal = el_malloc(sizeof(*el->el_signal));
- if (el->el_signal == NULL)
- return -1;
-
- nset = &el->el_signal->sig_set;
- (void) sigemptyset(nset);
-#define _DO(a) (void) sigaddset(nset, a);
- ALLSIGS
-#undef _DO
- (void) sigprocmask(SIG_BLOCK, nset, &oset);
-
- for (i = 0; sighdl[i] != -1; i++) {
- el->el_signal->sig_action[i].sa_handler = SIG_ERR;
- el->el_signal->sig_action[i].sa_flags = 0;
- sigemptyset(&el->el_signal->sig_action[i].sa_mask);
- }
-
- (void) sigprocmask(SIG_SETMASK, &oset, NULL);
-
- return 0;
-}
-
-
-/* sig_end():
- * Clear all signal stuff
- */
-protected void
-sig_end(EditLine *el)
-{
-
- el_free(el->el_signal);
- el->el_signal = NULL;
-}
-
-
-/* sig_set():
- * set all the signal handlers
- */
-protected void
-sig_set(EditLine *el)
-{
- size_t i;
- sigset_t oset;
- struct sigaction osa, nsa;
-
- nsa.sa_handler = sig_handler;
- nsa.sa_flags = 0;
- sigemptyset(&nsa.sa_mask);
-
- (void) sigprocmask(SIG_BLOCK, &el->el_signal->sig_set, &oset);
-
- for (i = 0; sighdl[i] != -1; i++) {
- /* This could happen if we get interrupted */
- if (sigaction(sighdl[i], &nsa, &osa) != -1 &&
- osa.sa_handler != sig_handler)
- el->el_signal->sig_action[i] = osa;
- }
- sel = el;
- (void) sigprocmask(SIG_SETMASK, &oset, NULL);
-}
-
-
-/* sig_clr():
- * clear all the signal handlers
- */
-protected void
-sig_clr(EditLine *el)
-{
- size_t i;
- sigset_t oset;
-
- (void) sigprocmask(SIG_BLOCK, &el->el_signal->sig_set, &oset);
-
- for (i = 0; sighdl[i] != -1; i++)
- if (el->el_signal->sig_action[i].sa_handler != SIG_ERR)
- (void)sigaction(sighdl[i],
- &el->el_signal->sig_action[i], NULL);
-
- sel = NULL; /* we are going to die if the handler is
- * called */
- (void)sigprocmask(SIG_SETMASK, &oset, NULL);
-}