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Annotation of src/usr.bin/mg/spawn.c, Revision 1.7

1.7     ! mickey      1: /*     $OpenBSD: spawn.c,v 1.6 2001/01/29 01:58:09 niklas Exp $        */
1.6       niklas      2:
1.1       deraadt     3: /*
1.3       millert     4:  * Spawn.  Actually just suspends Mg.
                      5:  * Assumes POSIX job control.
1.1       deraadt     6:  */
                      7:
1.5       millert     8: #include "def.h"
                      9:
                     10: #include <signal.h>
                     11: #include <termios.h>
                     12: #include <term.h>
1.1       deraadt    13:
                     14: /*
1.7     ! mickey     15:  * This causes mg to send itself a stop signal.  It assumes the parent
        !            16:  * shell supports POSIX job control.  If the terminal supports an alternate
1.5       millert    17:  * screen, we will switch to it.
1.1       deraadt    18:  */
1.3       millert    19: /* ARGSUSED */
1.5       millert    20: int
1.1       deraadt    21: spawncli(f, n)
1.5       millert    22:        int f, 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)
1.5       millert    35:                return(FALSE);
                     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;
1.3       millert    47:        return ttraw();
1.1       deraadt    48: }