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Annotation of src/usr.bin/mg/spawn.c, Revision 1.11

1.11    ! jason       1: /*     $OpenBSD: spawn.c,v 1.10 2005/06/14 18:14:40 kjell Exp $        */
1.10      kjell       2:
                      3: /* This file is in the public domain. */
1.6       niklas      4:
1.1       deraadt     5: /*
1.3       millert     6:  * Spawn.  Actually just suspends Mg.
                      7:  * Assumes POSIX job control.
1.1       deraadt     8:  */
                      9:
1.5       millert    10: #include "def.h"
                     11:
                     12: #include <termios.h>
                     13: #include <term.h>
1.1       deraadt    14:
                     15: /*
1.7       mickey     16:  * This causes mg to send itself a stop signal.  It assumes the parent
                     17:  * shell supports POSIX job control.  If the terminal supports an alternate
1.5       millert    18:  * screen, we will switch to it.
1.1       deraadt    19:  */
1.3       millert    20: /* ARGSUSED */
1.5       millert    21: int
1.8       cloder     22: spawncli(int f, int n)
1.1       deraadt    23: {
1.5       millert    24:        sigset_t        oset;
1.1       deraadt    25:
1.3       millert    26:        /* Very similar to what vttidy() does. */
1.1       deraadt    27:        ttcolor(CTEXT);
                     28:        ttnowindow();
1.3       millert    29:        ttmove(nrow - 1, 0);
1.1       deraadt    30:        if (epresf != FALSE) {
                     31:                tteeol();
                     32:                epresf = FALSE;
                     33:        }
1.3       millert    34:        if (ttcooked() == FALSE)
1.9       db         35:                return (FALSE);
1.5       millert    36:
                     37:        /* Exit application mode and tidy. */
                     38:        tttidy();
1.3       millert    39:        ttflush();
1.5       millert    40:        (void)sigprocmask(SIG_SETMASK, NULL, &oset);
                     41:        (void)kill(0, SIGTSTP);
                     42:        (void)sigprocmask(SIG_SETMASK, &oset, NULL);
1.3       millert    43:        ttreinit();
1.5       millert    44:
                     45:        /* Force repaint. */
                     46:        sgarbf = TRUE;
1.9       db         47:        return (ttraw());
1.1       deraadt    48: }