1 /*- 2 * Copyright (c) 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1992, 1993, 1994, 1995, 1996 5 * Keith Bostic. All rights reserved. 6 * 7 * See the LICENSE file for redistribution information. 8 */ 9 10 #include "config.h" 11 12 #ifndef lint 13 static const char sccsid[] = "$Id: ex_stop.c,v 10.11 2001/06/25 15:19:20 skimo Exp $"; 14 #endif /* not lint */ 15 16 #include <sys/types.h> 17 #include <sys/queue.h> 18 #include <sys/time.h> 19 20 #include <bitstring.h> 21 #include <errno.h> 22 #include <limits.h> 23 #include <stdio.h> 24 #include <string.h> 25 #include <unistd.h> 26 27 #include "../common/common.h" 28 29 /* 30 * ex_stop -- :stop[!] 31 * :suspend[!] 32 * Suspend execution. 33 * 34 * PUBLIC: int ex_stop __P((SCR *, EXCMD *)); 35 */ 36 int 37 ex_stop(SCR *sp, EXCMD *cmdp) 38 { 39 int allowed; 40 41 /* For some strange reason, the force flag turns off autowrite. */ 42 if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL)) 43 return (1); 44 45 if (sp->gp->scr_suspend(sp, &allowed)) 46 return (1); 47 if (!allowed) 48 ex_emsg(sp, NULL, EXM_NOSUSPEND); 49 return (0); 50 } 51