1b8ba871bSPeter Wemm /*-
2b8ba871bSPeter Wemm * Copyright (c) 1993, 1994
3b8ba871bSPeter Wemm * The Regents of the University of California. All rights reserved.
4b8ba871bSPeter Wemm * Copyright (c) 1992, 1993, 1994, 1995, 1996
5b8ba871bSPeter Wemm * Keith Bostic. All rights reserved.
6b8ba871bSPeter Wemm *
7b8ba871bSPeter Wemm * See the LICENSE file for redistribution information.
8b8ba871bSPeter Wemm */
9b8ba871bSPeter Wemm
10b8ba871bSPeter Wemm #include "config.h"
11b8ba871bSPeter Wemm
12b8ba871bSPeter Wemm #include <sys/types.h>
13b8ba871bSPeter Wemm #include <sys/queue.h>
14b8ba871bSPeter Wemm #include <sys/time.h>
15b8ba871bSPeter Wemm
16b8ba871bSPeter Wemm #include <bitstring.h>
17b8ba871bSPeter Wemm #include <errno.h>
18b8ba871bSPeter Wemm #include <limits.h>
19b8ba871bSPeter Wemm #include <stdio.h>
20b8ba871bSPeter Wemm #include <string.h>
21b8ba871bSPeter Wemm #include <unistd.h>
22b8ba871bSPeter Wemm
23b8ba871bSPeter Wemm #include "../common/common.h"
24b8ba871bSPeter Wemm
25b8ba871bSPeter Wemm /*
26b8ba871bSPeter Wemm * ex_stop -- :stop[!]
27b8ba871bSPeter Wemm * :suspend[!]
28b8ba871bSPeter Wemm * Suspend execution.
29b8ba871bSPeter Wemm *
30b8ba871bSPeter Wemm * PUBLIC: int ex_stop(SCR *, EXCMD *);
31b8ba871bSPeter Wemm */
32b8ba871bSPeter Wemm int
ex_stop(SCR * sp,EXCMD * cmdp)33b8ba871bSPeter Wemm ex_stop(SCR *sp, EXCMD *cmdp)
34b8ba871bSPeter Wemm {
35b8ba871bSPeter Wemm int allowed;
36b8ba871bSPeter Wemm
37b8ba871bSPeter Wemm /* For some strange reason, the force flag turns off autowrite. */
38b8ba871bSPeter Wemm if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL))
39b8ba871bSPeter Wemm return (1);
40b8ba871bSPeter Wemm
41b8ba871bSPeter Wemm if (sp->gp->scr_suspend(sp, &allowed))
42b8ba871bSPeter Wemm return (1);
43b8ba871bSPeter Wemm if (!allowed)
44b8ba871bSPeter Wemm ex_emsg(sp, NULL, EXM_NOSUSPEND);
45b8ba871bSPeter Wemm return (0);
46b8ba871bSPeter Wemm }
47b8ba871bSPeter Wemm