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root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c
Revision: 1.72
Committed: Thu Apr 8 23:30:29 2004 UTC (20 years, 1 month ago) by ats
Content type: text/plain
Branch: MAIN
CVS Tags: LIBSTATGRAB_0_10
Changes since 1.71: +10 -1 lines
Log Message:
Skip over argv pointers on OpenBSD.

File Contents

# Content
1 /*
2 * i-scream libstatgrab
3 * http://www.i-scream.org
4 * Copyright (C) 2000-2004 i-scream
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 * 02111-1307 USA
20 *
21 * $Id: process_stats.c,v 1.71 2004/04/08 17:20:51 tdb Exp $
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include "statgrab.h"
29 #include "tools.h"
30 #include "vector.h"
31 #if defined(SOLARIS) || defined(LINUX)
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <sys/types.h>
35 #include <dirent.h>
36 #include <string.h>
37 #endif
38
39 #ifdef SOLARIS
40 #include <procfs.h>
41 #include <limits.h>
42 #define PROC_LOCATION "/proc"
43 #define MAX_FILE_LENGTH PATH_MAX
44 #endif
45 #ifdef LINUX
46 #include <limits.h>
47 #include <unistd.h>
48 #include <sys/stat.h>
49 #include <fcntl.h>
50 #define PROC_LOCATION "/proc"
51 #define MAX_FILE_LENGTH PATH_MAX
52 #endif
53 #ifdef ALLBSD
54 #include <errno.h>
55 #include <stdlib.h>
56 #include <sys/param.h>
57 #include <sys/sysctl.h>
58 #if defined(FREEBSD) || defined(DFBSD)
59 #include <sys/user.h>
60 #else
61 #include <sys/proc.h>
62 #endif
63 #include <string.h>
64 #include <paths.h>
65 #include <fcntl.h>
66 #include <limits.h>
67 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
68 #include <kvm.h>
69 #endif
70 #include <unistd.h>
71 #ifdef NETBSD2
72 #include <sys/lwp.h>
73 #endif
74 #endif
75
76 static void proc_state_init(sg_process_stats *s) {
77 s->process_name = NULL;
78 s->proctitle = NULL;
79 }
80
81 static void proc_state_destroy(sg_process_stats *s) {
82 free(s->process_name);
83 free(s->proctitle);
84 }
85
86 sg_process_stats *sg_get_process_stats(int *entries){
87 VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
88 proc_state_init, proc_state_destroy);
89 int proc_state_size = 0;
90 sg_process_stats *proc_state_ptr;
91 #ifdef ALLBSD
92 int mib[4];
93 size_t size;
94 struct kinfo_proc *kp_stats;
95 int procs, i;
96 char *proctitle;
97 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
98 kvm_t *kvmd;
99 char **args, **argsp;
100 int argslen = 0;
101 #else
102 long buflen;
103 char *p, *proctitletmp;
104 #endif
105 #ifdef NETBSD2
106 int lwps;
107 struct kinfo_lwp *kl_stats;
108 #endif
109 #endif
110 #if defined(SOLARIS) || defined(LINUX)
111 DIR *proc_dir;
112 struct dirent *dir_entry;
113 char filename[MAX_FILE_LENGTH];
114 FILE *f;
115 #ifdef SOLARIS
116 psinfo_t process_info;
117 #endif
118 #ifdef LINUX
119 char s;
120 /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
121 char ps_name[4096];
122 char *ptr;
123 VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
124 unsigned long stime, utime, starttime;
125 int x;
126 int fn;
127 int len;
128 int rc;
129 time_t uptime;
130 #endif
131
132 #ifdef LINUX
133 if ((f=fopen("/proc/uptime", "r")) == NULL) {
134 sg_set_error(SG_ERROR_OPEN, "/proc/uptime");
135 return NULL;
136 }
137 if((fscanf(f,"%lu %*d",&uptime)) != 1){
138 sg_set_error(SG_ERROR_PARSE, NULL);
139 return NULL;
140 }
141 fclose(f);
142 #endif
143
144 if((proc_dir=opendir(PROC_LOCATION))==NULL){
145 sg_set_error(SG_ERROR_OPENDIR, PROC_LOCATION);
146 return NULL;
147 }
148
149 while((dir_entry=readdir(proc_dir))!=NULL){
150 if(atoi(dir_entry->d_name) == 0) continue;
151
152 #ifdef SOLARIS
153 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
154 #endif
155 #ifdef LINUX
156 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
157 #endif
158 if((f=fopen(filename, "r"))==NULL){
159 /* Open failed.. Process since vanished, or the path was too long.
160 * Ah well, move onwards to the next one */
161 continue;
162 }
163 #ifdef SOLARIS
164 fread(&process_info, sizeof(psinfo_t), 1, f);
165 fclose(f);
166 #endif
167
168 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
169 return NULL;
170 }
171 proc_state_ptr = proc_state+proc_state_size;
172
173 #ifdef SOLARIS
174 proc_state_ptr->pid = process_info.pr_pid;
175 proc_state_ptr->parent = process_info.pr_ppid;
176 proc_state_ptr->pgid = process_info.pr_pgid;
177 proc_state_ptr->uid = process_info.pr_uid;
178 proc_state_ptr->euid = process_info.pr_euid;
179 proc_state_ptr->gid = process_info.pr_gid;
180 proc_state_ptr->egid = process_info.pr_egid;
181 proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
182 proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
183 proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
184 proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
185 proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
186 if (sg_update_string(&proc_state_ptr->process_name,
187 process_info.pr_fname) < 0) {
188 return NULL;
189 }
190 if (sg_update_string(&proc_state_ptr->proctitle,
191 process_info.pr_psargs) < 0) {
192 return NULL;
193 }
194
195 if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
196 if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
197 if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
198 if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
199 if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
200 #endif
201 #ifdef LINUX
202 x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %lu %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
203 /* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
204 proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
205 if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
206 if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
207 if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
208 if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
209 if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
210
211 /* pa_name[0] should = '(' */
212 ptr = strchr(&ps_name[1], ')');
213 if(ptr !=NULL) *ptr='\0';
214
215 if (sg_update_string(&proc_state_ptr->process_name,
216 &ps_name[1]) < 0) {
217 return NULL;
218 }
219
220 /* cpu */
221 proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
222
223 fclose(f);
224
225 /* uid / gid */
226 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
227 if ((f=fopen(filename, "r")) == NULL) {
228 /* Open failed.. Process since vanished, or the path was too long.
229 * Ah well, move onwards to the next one */
230 continue;
231 }
232
233 if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
234 fclose(f);
235 continue;
236 }
237 sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
238
239 if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
240 fclose(f);
241 continue;
242 }
243 sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
244
245 fclose(f);
246
247 /* proctitle */
248 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
249
250 if((fn=open(filename, O_RDONLY)) == -1){
251 /* Open failed.. Process since vanished, or the path was too long.
252 * Ah well, move onwards to the next one */
253 continue;
254 }
255
256 #define READ_BLOCK_SIZE 128
257 len = 0;
258 do {
259 if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
260 return NULL;
261 }
262 rc = read(fn, psargs + len, READ_BLOCK_SIZE);
263 if (rc > 0) {
264 len += rc;
265 }
266 } while (rc == READ_BLOCK_SIZE);
267 close(fn);
268
269 if (rc == -1) {
270 /* Read failed; move on. */
271 continue;
272 }
273
274 /* Turn \0s into spaces within the command line. */
275 ptr = psargs;
276 for(x = 0; x < len; x++) {
277 if (*ptr == '\0') *ptr = ' ';
278 ptr++;
279 }
280
281 if (len == 0) {
282 /* We want psargs to be NULL. */
283 if (VECTOR_RESIZE(psargs, 0) < 0) {
284 return NULL;
285 }
286 } else {
287 /* Not empty, so append a \0. */
288 if (VECTOR_RESIZE(psargs, len + 1) < 0) {
289 return NULL;
290 }
291 psargs[len] = '\0';
292 }
293
294 if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
295 return NULL;
296 }
297 #endif
298
299 proc_state_size++;
300 }
301 closedir(proc_dir);
302 #endif
303
304 #ifdef ALLBSD
305 mib[0] = CTL_KERN;
306 mib[1] = KERN_PROC;
307 mib[2] = KERN_PROC_ALL;
308
309 if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
310 sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
311 return NULL;
312 }
313
314 procs = size / sizeof(struct kinfo_proc);
315
316 kp_stats = sg_malloc(size);
317 if(kp_stats == NULL) {
318 return NULL;
319 }
320 memset(kp_stats, 0, size);
321
322 if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
323 sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
324 free(kp_stats);
325 return NULL;
326 }
327
328 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
329 kvmd = sg_get_kvm2();
330 #endif
331
332 for (i = 0; i < procs; i++) {
333 const char *name;
334
335 #ifdef FREEBSD5
336 if (kp_stats[i].ki_stat == 0) {
337 #else
338 if (kp_stats[i].kp_proc.p_stat == 0) {
339 #endif
340 /* FreeBSD 5 deliberately overallocates the array that
341 * the sysctl returns, so we'll get a few junk
342 * processes on the end that we have to ignore. (Search
343 * for "overestimate by 5 procs" in
344 * src/sys/kern/kern_proc.c for more details.) */
345 continue;
346 }
347
348 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
349 return NULL;
350 }
351 proc_state_ptr = proc_state+proc_state_size;
352
353 #ifdef FREEBSD5
354 name = kp_stats[i].ki_comm;
355 #elif defined(DFBSD)
356 name = kp_stats[i].kp_thread.td_comm;
357 #else
358 name = kp_stats[i].kp_proc.p_comm;
359 #endif
360 if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
361 return NULL;
362 }
363
364 #if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
365
366 #ifdef FREEBSD5
367 mib[2] = KERN_PROC_ARGS;
368 mib[3] = kp_stats[i].ki_pid;
369 #else
370 mib[1] = KERN_PROC_ARGS;
371 mib[2] = kp_stats[i].kp_proc.p_pid;
372 mib[3] = KERN_PROC_ARGV;
373 #endif
374
375 free(proc_state_ptr->proctitle);
376 proc_state_ptr->proctitle = NULL;
377
378 /* Starting size - we'll double this straight away */
379 #define PROCTITLE_START_SIZE 64
380 buflen = PROCTITLE_START_SIZE;
381 size = buflen;
382 proctitle = NULL;
383
384 do {
385 if(size >= buflen) {
386 buflen *= 2;
387 size = buflen;
388 proctitletmp = sg_realloc(proctitle, buflen);
389 if(proctitletmp == NULL) {
390 free(proctitle);
391 proctitle = NULL;
392 proc_state_ptr->proctitle = NULL;
393 size = 0;
394 break;
395 }
396 proctitle = proctitletmp;
397 bzero(proctitle, buflen);
398 }
399
400 if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
401 free(proctitle);
402 proctitle = NULL;
403 proc_state_ptr->proctitle = NULL;
404 size = 0;
405 break;
406 }
407 } while(size >= buflen);
408
409 if(size > 0) {
410 proc_state_ptr->proctitle = sg_malloc(size+1);
411 if(proc_state_ptr->proctitle == NULL) {
412 return NULL;
413 }
414 p = proctitle;
415 #ifdef OPENBSD
416 /* On OpenBSD, this value has the argv pointers (which
417 * are terminated by a NULL) at the front, so we have
418 * to skip over them to get to the strings. */
419 while (*(char ***)p != NULL) {
420 p += sizeof(char **);
421 }
422 p += sizeof(char **);
423 #endif
424 proc_state_ptr->proctitle[0] = '\0';
425 do {
426 sg_strlcat(proc_state_ptr->proctitle, p, size+1);
427 sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
428 p += strlen(p) + 1;
429 } while (p < proctitle + size);
430 free(proctitle);
431 proctitle = NULL;
432 /* remove trailing space */
433 proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
434 }
435 else {
436 if(proctitle != NULL) {
437 free(proctitle);
438 proctitle = NULL;
439 }
440 proc_state_ptr->proctitle = NULL;
441 }
442 #else
443 free(proc_state_ptr->proctitle);
444 proc_state_ptr->proctitle = NULL;
445 if(kvmd != NULL) {
446 args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
447 if(args != NULL) {
448 argsp = args;
449 while(*argsp != NULL) {
450 argslen += strlen(*argsp) + 1;
451 argsp++;
452 }
453 proctitle = sg_malloc(argslen + 1);
454 proctitle[0] = '\0';
455 if(proctitle == NULL) {
456 return NULL;
457 }
458 while(*args != NULL) {
459 sg_strlcat(proctitle, *args, argslen + 1);
460 sg_strlcat(proctitle, " ", argslen + 1);
461 args++;
462 }
463 /* remove trailing space */
464 proctitle[strlen(proctitle)-1] = '\0';
465 proc_state_ptr->proctitle = proctitle;
466 }
467 else {
468 proc_state_ptr->proctitle = NULL;
469 }
470 }
471 else {
472 proc_state_ptr->proctitle = NULL;
473 }
474 #endif
475
476 #ifdef FREEBSD5
477 proc_state_ptr->pid = kp_stats[i].ki_pid;
478 proc_state_ptr->parent = kp_stats[i].ki_ppid;
479 proc_state_ptr->pgid = kp_stats[i].ki_pgid;
480 #else
481 proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
482 proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
483 proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
484 #endif
485
486 #ifdef FREEBSD5
487 proc_state_ptr->uid = kp_stats[i].ki_ruid;
488 proc_state_ptr->euid = kp_stats[i].ki_uid;
489 proc_state_ptr->gid = kp_stats[i].ki_rgid;
490 proc_state_ptr->egid = kp_stats[i].ki_svgid;
491 #elif defined(DFBSD)
492 proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
493 proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
494 proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
495 proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
496 #else
497 proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
498 proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
499 proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
500 proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
501 #endif
502
503 #ifdef FREEBSD5
504 proc_state_ptr->proc_size = kp_stats[i].ki_size;
505 /* This is in pages */
506 proc_state_ptr->proc_resident =
507 kp_stats[i].ki_rssize * getpagesize();
508 /* This is in microseconds */
509 proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
510 proc_state_ptr->cpu_percent =
511 ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
512 proc_state_ptr->nice = kp_stats[i].ki_nice;
513 #else
514 proc_state_ptr->proc_size =
515 kp_stats[i].kp_eproc.e_vm.vm_map.size;
516 /* This is in pages */
517 proc_state_ptr->proc_resident =
518 kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
519 #if defined(NETBSD) || defined(OPENBSD)
520 proc_state_ptr->time_spent =
521 kp_stats[i].kp_proc.p_rtime.tv_sec;
522 #elif defined(DFBSD)
523 proc_state_ptr->time_spent =
524 ( kp_stats[i].kp_thread.td_uticks +
525 kp_stats[i].kp_thread.td_sticks +
526 kp_stats[i].kp_thread.td_iticks ) / 1000000;
527 #else
528 /* This is in microseconds */
529 proc_state_ptr->time_spent =
530 kp_stats[i].kp_proc.p_runtime / 1000000;
531 #endif
532 proc_state_ptr->cpu_percent =
533 ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
534 proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
535 #endif
536
537 #ifdef NETBSD2
538 {
539 size_t size;
540 int mib[5];
541
542 mib[0] = CTL_KERN;
543 mib[1] = KERN_LWP;
544 mib[2] = kp_stats[i].kp_proc.p_pid;
545 mib[3] = sizeof(struct kinfo_lwp);
546 mib[4] = 0;
547
548 if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
549 sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
550 return NULL;
551 }
552
553 lwps = size / sizeof(struct kinfo_lwp);
554 mib[4] = lwps;
555
556 kl_stats = sg_malloc(size);
557 if(kl_stats == NULL) {
558 return NULL;
559 }
560
561 if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
562 sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
563 return NULL;
564 }
565 }
566
567 switch(kp_stats[i].kp_proc.p_stat) {
568 case SIDL:
569 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
570 break;
571 case SACTIVE:
572 {
573 int i;
574
575 for(i = 0; i < lwps; i++) {
576 switch(kl_stats[i].l_stat) {
577 case LSONPROC:
578 case LSRUN:
579 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
580 goto end;
581 case LSSLEEP:
582 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
583 goto end;
584 case LSSTOP:
585 case LSSUSPENDED:
586 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
587 goto end;
588 }
589 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
590 }
591 end: ;
592 }
593 break;
594 case SSTOP:
595 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
596 break;
597 case SZOMB:
598 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
599 break;
600 default:
601 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
602 break;
603 }
604 #else
605 #ifdef FREEBSD5
606 switch (kp_stats[i].ki_stat) {
607 #else
608 switch (kp_stats[i].kp_proc.p_stat) {
609 #endif
610 case SIDL:
611 case SRUN:
612 #ifdef SONPROC
613 case SONPROC: /* NetBSD */
614 #endif
615 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
616 break;
617 case SSLEEP:
618 #ifdef SWAIT
619 case SWAIT: /* FreeBSD 5 */
620 #endif
621 #ifdef SLOCK
622 case SLOCK: /* FreeBSD 5 */
623 #endif
624 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
625 break;
626 case SSTOP:
627 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
628 break;
629 case SZOMB:
630 #ifdef SDEAD
631 case SDEAD: /* OpenBSD & NetBSD */
632 #endif
633 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
634 break;
635 default:
636 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
637 break;
638 }
639 #endif
640 proc_state_size++;
641 }
642
643 free(kp_stats);
644 #endif
645
646 #ifdef CYGWIN
647 sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
648 return NULL;
649 #endif
650
651 *entries = proc_state_size;
652 return proc_state;
653 }
654
655 sg_process_count *sg_get_process_count() {
656 static sg_process_count process_stat;
657 sg_process_stats *ps;
658 int ps_size, x;
659
660 process_stat.sleeping = 0;
661 process_stat.running = 0;
662 process_stat.zombie = 0;
663 process_stat.stopped = 0;
664 process_stat.total = 0;
665
666 ps = sg_get_process_stats(&ps_size);
667 if (ps == NULL) {
668 return NULL;
669 }
670
671 for(x = 0; x < ps_size; x++) {
672 switch (ps->state) {
673 case SG_PROCESS_STATE_RUNNING:
674 process_stat.running++;
675 break;
676 case SG_PROCESS_STATE_SLEEPING:
677 process_stat.sleeping++;
678 break;
679 case SG_PROCESS_STATE_STOPPED:
680 process_stat.stopped++;
681 break;
682 case SG_PROCESS_STATE_ZOMBIE:
683 process_stat.zombie++;
684 break;
685 default:
686 /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
687 * sg_process_count */
688 break;
689 }
690 ps++;
691 }
692
693 process_stat.total = ps_size;
694
695 return &process_stat;
696 }
697
698 int sg_process_compare_name(const void *va, const void *vb) {
699 const sg_process_stats *a = (sg_process_stats *)va;
700 const sg_process_stats *b = (sg_process_stats *)vb;
701
702 return strcmp(a->process_name, b->process_name);
703 }
704
705 int sg_process_compare_pid(const void *va, const void *vb) {
706 const sg_process_stats *a = (sg_process_stats *)va;
707 const sg_process_stats *b = (sg_process_stats *)vb;
708
709 if (a->pid < b->pid) {
710 return -1;
711 } else if (a->pid == b->pid) {
712 return 0;
713 } else {
714 return 1;
715 }
716 }
717
718 int sg_process_compare_uid(const void *va, const void *vb) {
719 const sg_process_stats *a = (sg_process_stats *)va;
720 const sg_process_stats *b = (sg_process_stats *)vb;
721
722 if (a->uid < b->uid) {
723 return -1;
724 } else if (a->uid == b->uid) {
725 return 0;
726 } else {
727 return 1;
728 }
729 }
730
731 int sg_process_compare_gid(const void *va, const void *vb) {
732 const sg_process_stats *a = (sg_process_stats *)va;
733 const sg_process_stats *b = (sg_process_stats *)vb;
734
735 if (a->gid < b->gid) {
736 return -1;
737 } else if (a->gid == b->gid) {
738 return 0;
739 } else {
740 return 1;
741 }
742 }
743
744 int sg_process_compare_size(const void *va, const void *vb) {
745 const sg_process_stats *a = (sg_process_stats *)va;
746 const sg_process_stats *b = (sg_process_stats *)vb;
747
748 if (a->proc_size < b->proc_size) {
749 return -1;
750 } else if (a->proc_size == b->proc_size) {
751 return 0;
752 } else {
753 return 1;
754 }
755 }
756
757 int sg_process_compare_res(const void *va, const void *vb) {
758 const sg_process_stats *a = (sg_process_stats *)va;
759 const sg_process_stats *b = (sg_process_stats *)vb;
760
761 if (a->proc_resident < b->proc_resident) {
762 return -1;
763 } else if (a->proc_resident == b->proc_resident) {
764 return 0;
765 } else {
766 return 1;
767 }
768 }
769
770 int sg_process_compare_cpu(const void *va, const void *vb) {
771 const sg_process_stats *a = (sg_process_stats *)va;
772 const sg_process_stats *b = (sg_process_stats *)vb;
773
774 if (a->cpu_percent < b->cpu_percent) {
775 return -1;
776 } else if (a->cpu_percent == b->cpu_percent) {
777 return 0;
778 } else {
779 return 1;
780 }
781 }
782
783 int sg_process_compare_time(const void *va, const void *vb) {
784 const sg_process_stats *a = (sg_process_stats *)va;
785 const sg_process_stats *b = (sg_process_stats *)vb;
786
787 if (a->time_spent < b->time_spent) {
788 return -1;
789 } else if (a->time_spent == b->time_spent) {
790 return 0;
791 } else {
792 return 1;
793 }
794 }
795