![[BACK]](/icons/back.gif){kind=icon}
Return to top.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / top|
Return to top.c CVS log | Up to [local] / src / usr.bin / top |
1.26 ! millert 1: /* $OpenBSD: top.c,v 1.25 2003/06/18 08:42:17 deraadt Exp $ */
1.1 downsj 2:
3: /*
4: * Top users/processes display for Unix
5: * Version 3
6: *
1.18 deraadt 7: * Copyright (c) 1984, 1989, William LeFebvre, Rice University
8: * Copyright (c) 1989, 1990, 1992, William LeFebvre, Northwestern University
1.1 downsj 9: *
1.18 deraadt 10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22: * IN NO EVENT SHALL THE AUTHOR OR HIS EMPLOYER BE LIABLE FOR ANY DIRECT, INDIRECT,
23: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 downsj 29: */
30:
1.20 deraadt 31: const char copyright[] = "Copyright (c) 1984 through 1996, William LeFebvre";
1.1 downsj 32:
1.2 downsj 33: #include <sys/types.h>
1.23 millert 34: #include <sys/time.h>
35: #include <err.h>
36: #include <errno.h>
1.2 downsj 37: #include <stdio.h>
38: #include <ctype.h>
1.1 downsj 39: #include <signal.h>
1.2 downsj 40: #include <string.h>
41: #include <stdlib.h>
42: #include <unistd.h>
1.1 downsj 43:
44: /* includes specific to top */
45: #include "display.h" /* interface to display package */
46: #include "screen.h" /* interface to screen package */
47: #include "top.h"
48: #include "top.local.h"
49: #include "boolean.h"
50: #include "machine.h"
51: #include "utils.h"
52:
53: /* Size of the stdio buffer given to stdout */
1.20 deraadt 54: #define BUFFERSIZE 2048
1.1 downsj 55:
56: /* The buffer that stdio will use */
1.20 deraadt 57: char stdoutbuf[BUFFERSIZE];
1.1 downsj 58:
1.20 deraadt 59: extern int overstrike;
1.1 downsj 60:
61: /* signal handling routines */
1.20 deraadt 62: static void leave(int);
63: static void onalrm(int);
64: static void tstop(int);
65: static void winch(int);
1.1 downsj 66:
1.25 deraadt 67: volatile sig_atomic_t leaveflag, tstopflag, winchflag;
1.7 deraadt 68:
1.20 deraadt 69: static void reset_display(void);
70: int rundisplay(void);
1.1 downsj 71:
1.20 deraadt 72: static int max_topn; /* maximum displayable processes */
1.1 downsj 73:
1.20 deraadt 74: extern int (*proc_compares[])(const void *, const void *);
75: int order_index;
1.1 downsj 76:
77: /* pointers to display routines */
1.20 deraadt 78: void (*d_loadave) () = i_loadave;
79: void (*d_procstates) () = i_procstates;
80: void (*d_cpustates) () = i_cpustates;
81: void (*d_memory) () = i_memory;
82: void (*d_message) () = i_message;
83: void (*d_header) () = i_header;
84: void (*d_process) () = i_process;
85:
86: int displays = 0; /* indicates unspecified */
87: char do_unames = Yes;
88: struct process_select ps;
89: char dostates = No;
90: char interactive = Maybe;
91: char warnings = 0;
92: double delay = Default_DELAY;
93: char *order_name = NULL;
94: int topn = Default_TOPN;
1.24 deraadt 95: int no_command = Yes;
1.1 downsj 96:
97: #if Default_TOPN == Infinity
1.20 deraadt 98: char topn_specified = No;
1.1 downsj 99: #endif
100:
1.20 deraadt 101: /*
102: * these defines enumerate the "strchr"s of the commands in
103: * command_chars
104: */
1.1 downsj 105: #define CMD_redraw 0
106: #define CMD_update 1
107: #define CMD_quit 2
108: #define CMD_help1 3
109: #define CMD_help2 4
1.20 deraadt 110: #define CMD_OSLIMIT 4 /* terminals with OS can only handle commands */
111: #define CMD_errors 5 /* less than or equal to CMD_OSLIMIT */
1.1 downsj 112: #define CMD_number1 6
113: #define CMD_number2 7
114: #define CMD_delay 8
115: #define CMD_displays 9
116: #define CMD_kill 10
117: #define CMD_renice 11
118: #define CMD_idletog 12
119: #define CMD_idletog2 13
120: #define CMD_user 14
1.12 fgsch 121: #define CMD_system 15
122: #define CMD_order 16
1.1 downsj 123:
1.20 deraadt 124: void
125: usage(void)
126: {
1.22 deraadt 127: extern char *__progname;
128:
1.20 deraadt 129: fprintf(stderr,
1.22 deraadt 130: "usage: %s [-ISbinqu] [-d x] [-s x] [-o field] [-U username] [number]\n",
131: __progname);
1.20 deraadt 132: }
133:
134: void
135: parseargs(int ac, char **av)
136: {
137: char *endp;
138: int i;
139:
140: while ((i = getopt(ac, av, "SIbinqus:d:U:o:")) != -1) {
141: switch (i) {
142: case 'u': /* toggle uid/username display */
143: do_unames = !do_unames;
144: break;
145:
146: case 'U': /* display only username's processes */
1.21 millert 147: if ((ps.uid = userid(optarg)) == (uid_t)-1) {
1.20 deraadt 148: fprintf(stderr, "%s: unknown user\n", optarg);
149: exit(1);
150: }
151: break;
1.1 downsj 152:
1.20 deraadt 153: case 'S': /* show system processes */
154: ps.system = !ps.system;
155: break;
156:
157: case 'I': /* show idle processes */
158: ps.idle = !ps.idle;
159: break;
160:
161: case 'i': /* go interactive regardless */
162: interactive = Yes;
163: break;
164:
165: case 'n': /* batch, or non-interactive */
166: case 'b':
167: interactive = No;
168: break;
169:
170: case 'd': /* number of displays to show */
171: if ((i = atoiwi(optarg)) != Invalid && i != 0) {
172: displays = i;
173: break;
174: }
1.22 deraadt 175: warnx("warning: display count should be positive "
176: "-- option ignored");
1.20 deraadt 177: warnings++;
178: break;
179:
180: case 's':
181: delay = strtod(optarg, &endp);
182:
183: if (delay > 0 && delay <= 1000000 && *endp == '\0')
184: break;
185:
1.22 deraadt 186: warnx("warning: delay should be a non-negative number"
187: " -- using default");
1.20 deraadt 188: delay = Default_DELAY;
189: warnings++;
190: break;
191:
192: case 'q': /* be quick about it */
193: /* only allow this if user is really root */
194: if (getuid() == 0) {
195: /* be very un-nice! */
196: (void) nice(-20);
197: break;
198: }
1.22 deraadt 199: warnx("warning: `-q' option can only be used by root");
1.20 deraadt 200: warnings++;
201: break;
202:
203: case 'o': /* select sort order */
204: order_name = optarg;
205: break;
206:
207: default:
208: usage();
209: exit(1);
1.1 downsj 210: }
1.20 deraadt 211: }
1.1 downsj 212:
1.20 deraadt 213: /* get count of top processes to display (if any) */
214: if (optind < ac) {
215: if ((topn = atoiwi(av[optind])) == Invalid) {
1.22 deraadt 216: warnx("warning: process display count should "
217: "be non-negative -- using default");
1.20 deraadt 218: warnings++;
1.1 downsj 219: }
1.20 deraadt 220: #if Default_TOPN == Infinity
1.1 downsj 221: else
1.20 deraadt 222: topn_specified = Yes;
223: #endif
224: }
225: }
1.1 downsj 226:
1.20 deraadt 227: struct system_info system_info;
228: struct statics statics;
1.1 downsj 229:
1.20 deraadt 230: int
231: main(int argc, char *argv[])
232: {
233: char *uname_field = "USERNAME", *header_text, *env_top;
234: char *(*get_userid)() = username, **preset_argv, **av;
235: int preset_argc = 0, ac, active_procs, i;
236: sigset_t mask, oldmask;
237: time_t curr_time;
238: caddr_t processes;
1.1 downsj 239:
1.20 deraadt 240: /* set the buffer for stdout */
241: #ifdef DEBUG
242: setbuffer(stdout, NULL, 0);
1.1 downsj 243: #else
1.20 deraadt 244: setbuffer(stdout, stdoutbuf, sizeof stdoutbuf);
1.1 downsj 245: #endif
246:
1.20 deraadt 247: /* initialize some selection options */
248: ps.idle = Yes;
249: ps.system = No;
1.21 millert 250: ps.uid = (uid_t)-1;
1.20 deraadt 251: ps.command = NULL;
252:
253: /* get preset options from the environment */
254: if ((env_top = getenv("TOP")) != NULL) {
255: av = preset_argv = argparse(env_top, &preset_argc);
256: ac = preset_argc;
257:
258: /*
259: * set the dummy argument to an explanatory message, in case
260: * getopt encounters a bad argument
261: */
262: preset_argv[0] = "while processing environment";
263: }
264: /* process options */
265: do {
266: /*
267: * if we're done doing the presets, then process the real
268: * arguments
269: */
270: if (preset_argc == 0) {
271: ac = argc;
272: av = argv;
273: optind = 1;
274: }
275: parseargs(ac, av);
276: i = preset_argc;
277: preset_argc = 0;
278: } while (i != 0);
279:
280: /* set constants for username/uid display correctly */
281: if (!do_unames) {
282: uname_field = " UID ";
1.26 ! millert 283: get_userid = format_uid;
1.20 deraadt 284: }
285: /* initialize the kernel memory interface */
286: if (machine_init(&statics) == -1)
1.1 downsj 287: exit(1);
1.20 deraadt 288:
289: /* determine sorting order index, if necessary */
290: if (order_name != NULL) {
291: if ((order_index = string_index(order_name,
292: statics.order_names)) == -1) {
293: char **pp;
294:
1.22 deraadt 295: warnx("'%s' is not a recognized sorting order",
296: order_name);
1.20 deraadt 297: fprintf(stderr, "\tTry one of these:");
298: pp = statics.order_names;
299: while (*pp != NULL)
300: fprintf(stderr, " %s", *pp++);
301: fputc('\n', stderr);
302: exit(1);
303: }
1.1 downsj 304: }
305:
1.20 deraadt 306: /* initialize termcap */
307: init_termcap(interactive);
308:
309: /* get the string to use for the process area header */
310: header_text = format_header(uname_field);
311:
312: /* initialize display interface */
313: if ((max_topn = display_init(&statics)) == -1) {
1.22 deraadt 314: warnx("can't allocate sufficient memory");
1.20 deraadt 315: exit(4);
316: }
317: /* print warning if user requested more processes than we can display */
318: if (topn > max_topn) {
1.22 deraadt 319: warnx("warning: this terminal can only display %d processes",
320: max_topn);
1.1 downsj 321: warnings++;
1.20 deraadt 322: }
323: /* adjust for topn == Infinity */
324: if (topn == Infinity) {
325: /*
326: * For smart terminals, infinity really means everything that can
327: * be displayed, or Largest.
328: * On dumb terminals, infinity means every process in the system!
329: * We only really want to do that if it was explicitly specified.
330: * This is always the case when "Default_TOPN != Infinity". But if
331: * topn wasn't explicitly specified and we are on a dumb terminal
332: * and the default is Infinity, then (and only then) we use
333: * "Nominal_TOPN" instead.
334: */
1.1 downsj 335: #if Default_TOPN == Infinity
1.20 deraadt 336: topn = smart_terminal ? Largest :
337: (topn_specified ? Largest : Nominal_TOPN);
338: #else
339: topn = Largest;
1.1 downsj 340: #endif
341: }
1.20 deraadt 342: /* set header display accordingly */
343: display_header(topn > 0);
1.1 downsj 344:
1.20 deraadt 345: /* determine interactive state */
346: if (interactive == Maybe)
347: interactive = smart_terminal;
1.1 downsj 348:
1.20 deraadt 349: /* if # of displays not specified, fill it in */
350: if (displays == 0)
351: displays = smart_terminal ? Infinity : 1;
1.1 downsj 352:
353: /*
1.20 deraadt 354: * block interrupt signals while setting up the screen and the
355: * handlers
1.1 downsj 356: */
1.20 deraadt 357: sigemptyset(&mask);
358: sigaddset(&mask, SIGINT);
359: sigaddset(&mask, SIGQUIT);
360: sigaddset(&mask, SIGTSTP);
361: sigprocmask(SIG_BLOCK, &mask, &oldmask);
362: init_screen();
363: (void) signal(SIGINT, leave);
364: (void) signal(SIGQUIT, leave);
365: (void) signal(SIGTSTP, tstop);
366: (void) signal(SIGWINCH, winch);
367: sigprocmask(SIG_SETMASK, &oldmask, NULL);
368: if (warnings) {
369: fputs("....", stderr);
370: fflush(stderr); /* why must I do this? */
371: sleep((unsigned) (3 * warnings));
372: fputc('\n', stderr);
373: }
1.7 deraadt 374: restart:
1.1 downsj 375:
1.20 deraadt 376: /*
377: * main loop -- repeat while display count is positive or while it
378: * indicates infinity (by being -1)
379: */
380: while ((displays == -1) || (displays-- > 0)) {
381: /* get the current stats */
382: get_system_info(&system_info);
383:
384: /* get the current set of processes */
385: processes = get_process_info(&system_info, &ps,
386: proc_compares[order_index]);
387:
388: /* display the load averages */
389: (*d_loadave)(system_info.last_pid, system_info.load_avg);
390:
391: /* display the current time */
392: /* this method of getting the time SHOULD be fairly portable */
393: time(&curr_time);
394: i_timeofday(&curr_time);
395:
396: /* display process state breakdown */
397: (*d_procstates)(system_info.p_total, system_info.procstates);
398:
399: /* display the cpu state percentage breakdown */
400: if (dostates) { /* but not the first time */
401: (*d_cpustates) (system_info.cpustates);
402: } else {
403: /* we'll do it next time */
404: if (smart_terminal)
405: z_cpustates();
406: else {
407: if (putchar('\n') == EOF)
408: exit(1);
409: }
410: dostates = Yes;
411: }
1.1 downsj 412:
1.20 deraadt 413: /* display memory stats */
414: (*d_memory) (system_info.memory);
1.1 downsj 415:
1.20 deraadt 416: /* handle message area */
417: (*d_message) ();
1.1 downsj 418:
1.20 deraadt 419: /* update the header area */
420: (*d_header) (header_text);
421:
422: if (topn > 0) {
423: /* determine number of processes to actually display */
424: /*
425: * this number will be the smallest of: active
426: * processes, number user requested, number current
427: * screen accommodates
428: */
429: active_procs = system_info.p_active;
430: if (active_procs > topn)
431: active_procs = topn;
432: if (active_procs > max_topn)
433: active_procs = max_topn;
434: /* now show the top "n" processes. */
435: for (i = 0; i < active_procs; i++)
436: (*d_process)(i, format_next_process(processes,
437: get_userid));
438: } else
439: i = 0;
440:
441: /* do end-screen processing */
442: u_endscreen(i);
443:
444: /* now, flush the output buffer */
445: fflush(stdout);
446:
447: /* only do the rest if we have more displays to show */
448: if (displays) {
449: /* switch out for new display on smart terminals */
450: if (smart_terminal) {
451: if (overstrike) {
452: reset_display();
453: } else {
454: d_loadave = u_loadave;
455: d_procstates = u_procstates;
456: d_cpustates = u_cpustates;
457: d_memory = u_memory;
458: d_message = u_message;
459: d_header = u_header;
460: d_process = u_process;
461: }
462: }
463: no_command = Yes;
464: if (!interactive) {
465: /* set up alarm */
466: (void) signal(SIGALRM, onalrm);
467: (void) alarm((unsigned) delay);
468:
469: /* wait for the rest of it .... */
470: pause();
471: } else {
472: while (no_command)
473: if (rundisplay())
474: goto restart;
475: }
476: }
477: }
1.1 downsj 478:
1.20 deraadt 479: quit(0);
480: /* NOTREACHED */
481: return (0);
482: }
1.7 deraadt 483:
1.20 deraadt 484: int
485: rundisplay(void)
486: {
487: static char tempbuf1[50], tempbuf2[50];
488: struct timeval timeout;
489: fd_set readfds;
490: sigset_t mask;
491: char ch, *iptr;
492: int change, i;
1.21 millert 493: uid_t uid;
1.20 deraadt 494: static char command_chars[] = "\f qh?en#sdkriIuSo";
1.7 deraadt 495:
1.20 deraadt 496: /*
497: * assume valid command unless told
498: * otherwise
499: */
500: no_command = No;
1.7 deraadt 501:
1.20 deraadt 502: /*
503: * set up arguments for select with
504: * timeout
505: */
506: FD_ZERO(&readfds);
507: FD_SET(STDIN_FILENO, &readfds);
508: timeout.tv_sec = (long) delay;
509: timeout.tv_usec = (long) ((delay - timeout.tv_sec) * 1000000);
510:
511: if (leaveflag) {
512: end_screen();
513: exit(0);
514: }
515: if (tstopflag) {
516: /* move to the lower left */
517: end_screen();
518: fflush(stdout);
519:
520: /*
521: * default the signal handler
522: * action
523: */
524: (void) signal(SIGTSTP, SIG_DFL);
525:
526: /*
527: * unblock the signal and
528: * send ourselves one
529: */
530: sigemptyset(&mask);
531: sigaddset(&mask, SIGTSTP);
532: sigprocmask(SIG_UNBLOCK, &mask, NULL);
533: (void) kill(0, SIGTSTP);
534:
535: /* reset the signal handler */
536: (void) signal(SIGTSTP, tstop);
537:
538: /* reinit screen */
539: reinit_screen();
540: reset_display();
541: tstopflag = 0;
542: return 1;
543: }
544: if (winchflag) {
545: /*
546: * reascertain the screen
547: * dimensions
548: */
549: get_screensize();
550:
551: /* tell display to resize */
552: max_topn = display_resize();
553:
554: /* reset the signal handler */
555: (void) signal(SIGWINCH, winch);
556:
557: reset_display();
558: winchflag = 0;
559: return 1;
560: }
561: /*
562: * wait for either input or the end
563: * of the delay period
564: */
565: if (select(STDIN_FILENO + 1, &readfds, (fd_set *) NULL,
566: (fd_set *) NULL, &timeout) > 0) {
567: char *errmsg;
568: int newval;
569:
570: clear_message();
571:
572: /*
573: * now read it and convert to
574: * command strchr
575: */
576: (void) read(0, &ch, 1);
577: if ((iptr = strchr(command_chars, ch)) == NULL) {
1.1 downsj 578: /* illegal command */
579: new_message(MT_standout, " Command not understood");
1.9 deraadt 580: if (putchar('\r') == EOF)
1.20 deraadt 581: exit(1);
1.1 downsj 582: no_command = Yes;
1.20 deraadt 583: fflush(stdout);
584: return (0);
585: }
586:
587: change = iptr - command_chars;
588: if (overstrike && change > CMD_OSLIMIT) {
589: /* error */
590: new_message(MT_standout,
1.1 downsj 591: " Command cannot be handled by this terminal");
1.20 deraadt 592: if (putchar('\r') == EOF)
593: exit(1);
594: no_command = Yes;
595: fflush(stdout);
596: return (0);
597: }
598:
599: switch (change) {
600: case CMD_redraw: /* redraw screen */
601: reset_display();
602: break;
603:
604: case CMD_update: /* merely update display */
605: /*
606: * is the load average high?
607: */
608: if (system_info.load_avg[0] > LoadMax) {
609: /* yes, go home for visual feedback */
610: go_home();
611: fflush(stdout);
1.1 downsj 612: }
1.20 deraadt 613: break;
614:
615: case CMD_quit: /* quit */
616: quit(0);
617: break;
618:
619: case CMD_help1: /* help */
620: case CMD_help2:
621: reset_display();
622: clear();
623: show_help();
624: standout("Hit any key to continue: ");
625: fflush(stdout);
626: (void) read(0, &ch, 1);
627: break;
628:
629: case CMD_errors: /* show errors */
630: if (error_count() == 0) {
631: new_message(MT_standout,
632: " Currently no errors to report.");
633: if (putchar('\r') == EOF)
634: exit(1);
635: no_command = Yes;
636: } else {
1.1 downsj 637: reset_display();
638: clear();
1.20 deraadt 639: show_errors();
1.1 downsj 640: standout("Hit any key to continue: ");
641: fflush(stdout);
642: (void) read(0, &ch, 1);
1.20 deraadt 643: }
644: break;
645:
646: case CMD_number1: /* new number */
647: case CMD_number2:
648: new_message(MT_standout,
649: "Number of processes to show: ");
650: newval = readline(tempbuf1, 8, Yes);
651: if (newval > -1) {
652: if (newval > max_topn) {
1.1 downsj 653: new_message(MT_standout | MT_delayed,
1.20 deraadt 654: " This terminal can only "
655: "display %d processes.",
656: max_topn);
1.9 deraadt 657: if (putchar('\r') == EOF)
1.20 deraadt 658: exit(1);
659: }
660: if (newval == 0)
1.1 downsj 661: display_header(No);
1.20 deraadt 662: else if (newval > topn && topn == 0) {
1.1 downsj 663: /* redraw the header */
664: display_header(Yes);
665: d_header = i_header;
666: }
1.20 deraadt 667: topn = newval;
668: }
669: break;
670:
671: case CMD_delay: /* new seconds delay */
672: new_message(MT_standout, "Seconds to delay: ");
673: if (readline(tempbuf2, sizeof(tempbuf2), No) > 0) {
674: char *endp;
675: double newdelay = strtod(tempbuf2, &endp);
676:
677: if (newdelay >= 0 && newdelay < 1000000 &&
678: *endp == '\0')
1.16 hugh 679: delay = newdelay;
1.20 deraadt 680: }
681: clear_message();
682: break;
683:
684: case CMD_displays: /* change display count */
685: new_message(MT_standout,
686: "Displays to show (currently %s): ",
687: displays == -1 ? "infinite" :
688: itoa(displays));
689: if ((i = readline(tempbuf1, 10, Yes)) > 0)
690: displays = i;
691: else if (i == 0)
692: quit(0);
693:
694: clear_message();
695: break;
696:
697: case CMD_kill: /* kill program */
698: new_message(0, "kill ");
699: if (readline(tempbuf2, sizeof(tempbuf2), No) > 0) {
700: if ((errmsg = kill_procs(tempbuf2)) != NULL) {
1.4 millert 701: new_message(MT_standout, "%s", errmsg);
1.9 deraadt 702: if (putchar('\r') == EOF)
1.20 deraadt 703: exit(1);
1.1 downsj 704: no_command = Yes;
705: }
1.20 deraadt 706: } else
707: clear_message();
708: break;
709:
710: case CMD_renice: /* renice program */
711: new_message(0, "renice ");
712: if (readline(tempbuf2, sizeof(tempbuf2), No) > 0) {
713: if ((errmsg = renice_procs(tempbuf2)) != NULL) {
1.4 millert 714: new_message(MT_standout, "%s", errmsg);
1.9 deraadt 715: if (putchar('\r') == EOF)
1.20 deraadt 716: exit(1);
1.1 downsj 717: no_command = Yes;
718: }
1.20 deraadt 719: } else
720: clear_message();
721: break;
1.1 downsj 722:
1.20 deraadt 723: case CMD_idletog:
724: case CMD_idletog2:
725: ps.idle = !ps.idle;
726: new_message(MT_standout | MT_delayed,
727: " %sisplaying idle processes.",
728: ps.idle ? "D" : "Not d");
729: if (putchar('\r') == EOF)
730: exit(1);
731: break;
1.1 downsj 732:
1.20 deraadt 733: case CMD_user:
734: new_message(MT_standout,
735: "Username to show: ");
736: if (readline(tempbuf2, sizeof(tempbuf2), No) > 0) {
737: if (tempbuf2[0] == '+' &&
738: tempbuf2[1] == '\0') {
1.21 millert 739: ps.uid = (uid_t)-1;
740: } else if ((uid = userid(tempbuf2)) == (uid_t)-1) {
1.1 downsj 741: new_message(MT_standout,
742: " %s: unknown user", tempbuf2);
743: no_command = Yes;
1.20 deraadt 744: } else
1.21 millert 745: ps.uid = uid;
1.20 deraadt 746: if (putchar('\r') == EOF)
747: exit(1);
748: } else
749: clear_message();
750: break;
1.12 fgsch 751:
1.20 deraadt 752: case CMD_system:
753: ps.system = !ps.system;
754: new_message(MT_standout | MT_delayed,
755: " %sisplaying system processes.",
756: ps.system ? "D" : "Not d");
757: break;
758:
759: case CMD_order:
760: new_message(MT_standout,
761: "Order to sort: ");
762: if (readline(tempbuf2,
763: sizeof(tempbuf2), No) > 0) {
764: if ((i = string_index(tempbuf2,
765: statics.order_names)) == -1) {
766: new_message(MT_standout,
767: " %s: unrecognized sorting order",
768: tempbuf2);
769: no_command = Yes;
770: } else
1.1 downsj 771: order_index = i;
1.9 deraadt 772: if (putchar('\r') == EOF)
1.20 deraadt 773: exit(1);
774: } else
775: clear_message();
776: break;
1.1 downsj 777:
1.20 deraadt 778: default:
779: new_message(MT_standout, " BAD CASE IN SWITCH!");
780: if (putchar('\r') == EOF)
781: exit(1);
1.1 downsj 782: }
783: }
784:
1.20 deraadt 785: /* flush out stuff that may have been written */
786: fflush(stdout);
787: return 0;
1.1 downsj 788: }
789:
1.20 deraadt 790:
1.1 downsj 791: /*
792: * reset_display() - reset all the display routine pointers so that entire
793: * screen will get redrawn.
794: */
1.19 pvalchev 795: static void
796: reset_display(void)
1.1 downsj 797: {
1.20 deraadt 798: d_loadave = i_loadave;
799: d_procstates = i_procstates;
800: d_cpustates = i_cpustates;
801: d_memory = i_memory;
802: d_message = i_message;
803: d_header = i_header;
804: d_process = i_process;
1.1 downsj 805: }
806:
1.19 pvalchev 807: void
1.20 deraadt 808: leave(int signo)
1.1 downsj 809: {
1.20 deraadt 810: leaveflag = 1;
1.1 downsj 811: }
812:
1.19 pvalchev 813: void
1.20 deraadt 814: tstop(int signo)
1.1 downsj 815: {
1.20 deraadt 816: tstopflag = 1;
1.1 downsj 817: }
818:
1.19 pvalchev 819: void
1.20 deraadt 820: winch(int signo)
1.1 downsj 821: {
1.20 deraadt 822: winchflag = 1;
1.1 downsj 823: }
824:
1.19 pvalchev 825: void
1.20 deraadt 826: onalrm(int signo)
1.1 downsj 827: {
828: }
829:
1.19 pvalchev 830: void
1.20 deraadt 831: quit(int ret)
1.1 downsj 832: {
1.20 deraadt 833: end_screen();
834: exit(ret);
1.1 downsj 835: }