File: [local] / src / usr.bin / mg / spawn.c (download)
Revision 1.6, Mon Jan 29 01:58:09 2001 UTC (23 years, 3 months ago) by niklas
Branch: MAIN
CVS Tags: OPENBSD_2_9_BASE, OPENBSD_2_9 Changes since 1.5: +2 -0 lines
$OpenBSD$
|
/* $OpenBSD: spawn.c,v 1.6 2001/01/29 01:58:09 niklas Exp $ */
/*
* Spawn. Actually just suspends Mg.
* Assumes POSIX job control.
*/
#include "def.h"
#include <signal.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(f, n)
int f, 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();
}