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-rw-r--r--usr.bin/vi/interrupt.h96
1 files changed, 0 insertions, 96 deletions
diff --git a/usr.bin/vi/interrupt.h b/usr.bin/vi/interrupt.h
deleted file mode 100644
index baa75fef2ca9..000000000000
--- a/usr.bin/vi/interrupt.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*-
- * Copyright (c) 1994
- * The Regents of the University of California. All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- *
- * @(#)interrupt.h 8.1 (Berkeley) 1/9/94
- */
-
-/*
- * Macros to declare the variables and then turn on and off interrupts.
- */
-#define DECLARE_INTERRUPTS \
- struct sigaction __act, __oact; \
- struct termios __nterm, __term; \
- u_int __istate; \
- int __isig, __termreset
-
-/*
- * Search, global, and substitute interruptions.
- *
- * ISIG turns on VINTR, VQUIT and VSUSP. We want VINTR to interrupt the
- * search, so we install a handler. VQUIT is ignored by main() because
- * nvi never wants to catch it. A handler for VSUSP should have been
- * installed by the screen code.
- */
-#define SET_UP_INTERRUPTS(handler) { \
- if (F_ISSET(sp->gp, G_ISFROMTTY)) { \
- __act.sa_handler = handler; \
- sigemptyset(&__act.sa_mask); \
- __act.sa_flags = 0; \
- if (__isig = !sigaction(SIGINT, &__act, &__oact)) { \
- __termreset = 0; \
- __istate = F_ISSET(sp, S_INTERRUPTIBLE); \
- F_CLR(sp, S_INTERRUPTED); \
- F_SET(sp, S_INTERRUPTIBLE); \
- if (tcgetattr(STDIN_FILENO, &__term)) { \
- rval = 1; \
- msgq(sp, M_SYSERR, "tcgetattr"); \
- goto interrupt_err; \
- } \
- __nterm = __term; \
- __nterm.c_lflag |= ISIG; \
- if (tcsetattr(STDIN_FILENO, \
- TCSANOW | TCSASOFT, &__nterm)) { \
- rval = 1; \
- msgq(sp, M_SYSERR, "tcsetattr"); \
- goto interrupt_err; \
- } \
- __termreset = 1; \
- } \
- } \
-}
-
-#define TEAR_DOWN_INTERRUPTS { \
- if (F_ISSET(sp->gp, G_ISFROMTTY) && __isig) { \
- if (sigaction(SIGINT, &__oact, NULL)) { \
- rval = 1; \
- msgq(sp, M_SYSERR, "signal"); \
- } \
- if (__termreset && tcsetattr(STDIN_FILENO, \
- TCSANOW | TCSASOFT, &__term)) { \
- rval = 1; \
- msgq(sp, M_SYSERR, "tcsetattr"); \
- } \
- F_CLR(sp, S_INTERRUPTED); \
- if (!__istate) \
- F_CLR(sp, S_INTERRUPTIBLE); \
- } \
-}