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File: [local] / src / usr.bin / mg / spawn.c (download)

Revision 1.11, Tue Aug 1 22:16:03 2006 UTC (17 years, 9 months ago) by jason
Branch: MAIN
CVS Tags: OPENBSD_5_7_BASE, OPENBSD_5_7, OPENBSD_5_6_BASE, OPENBSD_5_6, OPENBSD_5_5_BASE, OPENBSD_5_5, OPENBSD_5_4_BASE, OPENBSD_5_4, OPENBSD_5_3_BASE, OPENBSD_5_3, OPENBSD_5_2_BASE, OPENBSD_5_2, OPENBSD_5_1_BASE, OPENBSD_5_1, OPENBSD_5_0_BASE, OPENBSD_5_0, OPENBSD_4_9_BASE, OPENBSD_4_9, OPENBSD_4_8_BASE, OPENBSD_4_8, OPENBSD_4_7_BASE, OPENBSD_4_7, OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0
Changes since 1.10: +1 -2 lines 

* move sys/queue.h inclusion to sysdef.h (it's system specific)
* add <signal.h> to sysdef.h (needed for sig_atomic_t on linux, and
we get it by accident on OpenBSD)
* remove <signal.h> from tty.c/spawn.c (not needed now that it's in sysdef.h)
ok beck

/*	$OpenBSD: spawn.c,v 1.11 2006/08/01 22:16:03 jason Exp $	*/

/* This file is in the public domain. */

/*
 * Spawn.  Actually just suspends Mg.
 * Assumes POSIX job control.
 */

#include "def.h"

#include <termios.h>
#include <term.h>

/*
 * This causes mg to send itself a stop signal.  It assumes the parent
 * shell supports POSIX job control.  If the terminal supports an alternate
 * screen, we will switch to it.
 */
/* ARGSUSED */
int
spawncli(int f, int n)
{
	sigset_t	oset;

	/* Very similar to what vttidy() does. */
	ttcolor(CTEXT);
	ttnowindow();
	ttmove(nrow - 1, 0);
	if (epresf != FALSE) {
		tteeol();
		epresf = FALSE;
	}
	if (ttcooked() == FALSE)
		return (FALSE);

	/* Exit application mode and tidy. */
	tttidy();
	ttflush();
	(void)sigprocmask(SIG_SETMASK, NULL, &oset);
	(void)kill(0, SIGTSTP);
	(void)sigprocmask(SIG_SETMASK, &oset, NULL);
	ttreinit();

	/* Force repaint. */
	sgarbf = TRUE;
	return (ttraw());
}