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root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c
Revision: 1.64
Committed: Wed Apr 7 15:46:34 2004 UTC (20 years, 1 month ago) by pajs
Content type: text/plain
Branch: MAIN
Changes since 1.63: +3 -1 lines
Log Message:
Fixed tools.c change of enum
Fixed a FD leak in solaris and added nice value.

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 1.63 2004/04/07 14:53:40 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 <stdlib.h>
55 #include <sys/param.h>
56 #include <sys/sysctl.h>
57 #if defined(FREEBSD) || defined(DFBSD)
58 #include <sys/user.h>
59 #else
60 #include <sys/proc.h>
61 #endif
62 #include <string.h>
63 #include <paths.h>
64 #include <fcntl.h>
65 #include <limits.h>
66 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
67 #include <kvm.h>
68 #endif
69 #include <unistd.h>
70 #ifdef NETBSD2
71 #include <sys/lwp.h>
72 #endif
73 #endif
74
75 static void proc_state_init(sg_process_stats *s) {
76 s->process_name = NULL;
77 s->proctitle = NULL;
78 }
79
80 static void proc_state_destroy(sg_process_stats *s) {
81 free(s->process_name);
82 free(s->proctitle);
83 }
84
85 sg_process_stats *sg_get_process_stats(int *entries){
86 VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
87 proc_state_init, proc_state_destroy);
88 int proc_state_size = 0;
89 sg_process_stats *proc_state_ptr;
90 #ifdef ALLBSD
91 int mib[4];
92 size_t size;
93 struct kinfo_proc *kp_stats;
94 int procs, i;
95 char *proctitle;
96 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
97 kvm_t *kvmd;
98 char **args, **argsp;
99 int argslen = 0;
100 #else
101 long buflen;
102 char *p;
103 #endif
104 #ifdef NETBSD2
105 int lwps;
106 struct kinfo_lwp *kl_stats;
107 #endif
108 #endif
109 #if defined(SOLARIS) || defined(LINUX)
110 DIR *proc_dir;
111 struct dirent *dir_entry;
112 char filename[MAX_FILE_LENGTH];
113 FILE *f;
114 #ifdef SOLARIS
115 psinfo_t process_info;
116 #endif
117 #ifdef LINUX
118 char s;
119 /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
120 char ps_name[4096];
121 char *ptr;
122 VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
123 unsigned long stime, utime, starttime;
124 int x;
125 int fn;
126 int len;
127 int rc;
128 time_t uptime;
129 #endif
130
131 #ifdef LINUX
132 if ((f=fopen("/proc/uptime", "r")) == NULL) {
133 return NULL;
134 }
135 if((fscanf(f,"%lu %*d",&uptime)) != 1){
136 return NULL;
137 }
138 fclose(f);
139 #endif
140
141 if((proc_dir=opendir(PROC_LOCATION))==NULL){
142 return NULL;
143 }
144
145 while((dir_entry=readdir(proc_dir))!=NULL){
146 if(atoi(dir_entry->d_name) == 0) continue;
147
148 #ifdef SOLARIS
149 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
150 #endif
151 #ifdef LINUX
152 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
153 #endif
154 if((f=fopen(filename, "r"))==NULL){
155 /* Open failed.. Process since vanished, or the path was too long.
156 * Ah well, move onwards to the next one */
157 continue;
158 }
159 #ifdef SOLARIS
160 fread(&process_info, sizeof(psinfo_t), 1, f);
161 fclose(f);
162 #endif
163
164 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
165 return NULL;
166 }
167 proc_state_ptr = proc_state+proc_state_size;
168
169 #ifdef SOLARIS
170 proc_state_ptr->pid = process_info.pr_pid;
171 proc_state_ptr->parent = process_info.pr_ppid;
172 proc_state_ptr->pgid = process_info.pr_pgid;
173 proc_state_ptr->uid = process_info.pr_uid;
174 proc_state_ptr->euid = process_info.pr_euid;
175 proc_state_ptr->gid = process_info.pr_gid;
176 proc_state_ptr->egid = process_info.pr_egid;
177 proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
178 proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
179 proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
180 proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
181 proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
182 if (sg_update_string(&proc_state_ptr->process_name,
183 process_info.pr_fname) < 0) {
184 return NULL;
185 }
186 if (sg_update_string(&proc_state_ptr->proctitle,
187 process_info.pr_psargs) < 0) {
188 return NULL;
189 }
190
191 if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
192 if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
193 if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
194 if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
195 if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
196 #endif
197 #ifdef LINUX
198 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));
199 /* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
200 proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
201 if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
202 if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
203 if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
204 if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
205 if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
206
207 /* pa_name[0] should = '(' */
208 ptr = strchr(&ps_name[1], ')');
209 if(ptr !=NULL) *ptr='\0';
210
211 if (sg_update_string(&proc_state_ptr->process_name,
212 &ps_name[1]) < 0) {
213 return NULL;
214 }
215
216 /* cpu */
217 proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
218
219 fclose(f);
220
221 /* uid / gid */
222 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
223 if ((f=fopen(filename, "r")) == NULL) {
224 /* Open failed.. Process since vanished, or the path was too long.
225 * Ah well, move onwards to the next one */
226 continue;
227 }
228
229 if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
230 fclose(f);
231 continue;
232 }
233 sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
234
235 if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
236 fclose(f);
237 continue;
238 }
239 sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
240
241 fclose(f);
242
243 /* proctitle */
244 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
245
246 if((fn=open(filename, O_RDONLY)) == -1){
247 /* Open failed.. Process since vanished, or the path was too long.
248 * Ah well, move onwards to the next one */
249 continue;
250 }
251
252 #define READ_BLOCK_SIZE 128
253 len = 0;
254 do {
255 if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
256 return NULL;
257 }
258 rc = read(fn, psargs + len, READ_BLOCK_SIZE);
259 if (rc > 0) {
260 len += rc;
261 }
262 } while (rc == READ_BLOCK_SIZE);
263 close(fn);
264
265 if (rc == -1) {
266 /* Read failed; move on. */
267 continue;
268 }
269
270 /* Turn \0s into spaces within the command line. */
271 ptr = psargs;
272 for(x = 0; x < len; x++) {
273 if (*ptr == '\0') *ptr = ' ';
274 ptr++;
275 }
276
277 if (len == 0) {
278 /* We want psargs to be NULL. */
279 if (VECTOR_RESIZE(psargs, 0) < 0) {
280 return NULL;
281 }
282 } else {
283 /* Not empty, so append a \0. */
284 if (VECTOR_RESIZE(psargs, len + 1) < 0) {
285 return NULL;
286 }
287 psargs[len] = '\0';
288 }
289
290 if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
291 return NULL;
292 }
293 #endif
294
295 proc_state_size++;
296 }
297 closedir(proc_dir);
298 #endif
299
300 #ifdef ALLBSD
301 mib[0] = CTL_KERN;
302 mib[1] = KERN_PROC;
303 mib[2] = KERN_PROC_ALL;
304
305 if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
306 return NULL;
307 }
308
309 procs = size / sizeof(struct kinfo_proc);
310
311 kp_stats = sg_malloc(size);
312 if(kp_stats == NULL) {
313 return NULL;
314 }
315 memset(kp_stats, 0, size);
316
317 if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
318 free(kp_stats);
319 return NULL;
320 }
321
322 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
323 kvmd = sg_get_kvm2();
324 #endif
325
326 for (i = 0; i < procs; i++) {
327 const char *name;
328
329 #ifdef FREEBSD5
330 if (kp_stats[i].ki_stat == 0) {
331 #else
332 if (kp_stats[i].kp_proc.p_stat == 0) {
333 #endif
334 /* FreeBSD 5 deliberately overallocates the array that
335 * the sysctl returns, so we'll get a few junk
336 * processes on the end that we have to ignore. (Search
337 * for "overestimate by 5 procs" in
338 * src/sys/kern/kern_proc.c for more details.) */
339 continue;
340 }
341
342 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
343 return NULL;
344 }
345 proc_state_ptr = proc_state+proc_state_size;
346
347 #ifdef FREEBSD5
348 name = kp_stats[i].ki_comm;
349 #elif defined(DFBSD)
350 name = kp_stats[i].kp_thread.td_comm;
351 #else
352 name = kp_stats[i].kp_proc.p_comm;
353 #endif
354 if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
355 return NULL;
356 }
357
358 #if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
359 size = sizeof(buflen);
360
361 #ifdef FREEBSD5
362 if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
363 return NULL;
364 }
365 #else
366 /* FIXME - this value can be too large on some of
367 the BSD's, which causes sysctl not to return
368 anything. Maybe we need something smaller? */
369 mib[1] = KERN_ARGMAX;
370
371 if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
372 return NULL;
373 }
374 #endif
375
376 proctitle = sg_malloc(buflen);
377 if(proctitle == NULL) {
378 return NULL;
379 }
380
381 size = buflen;
382
383 #ifdef FREEBSD5
384 mib[2] = KERN_PROC_ARGS;
385 mib[3] = kp_stats[i].ki_pid;
386 #else
387 mib[1] = KERN_PROC_ARGS;
388 mib[2] = kp_stats[i].kp_proc.p_pid;
389 mib[3] = KERN_PROC_ARGV;
390 #endif
391
392 free(proc_state_ptr->proctitle);
393 if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
394 free(proctitle);
395 proc_state_ptr->proctitle = NULL;
396 }
397 else if(size > 0) {
398 proc_state_ptr->proctitle = sg_malloc(size+1);
399 if(proc_state_ptr->proctitle == NULL) {
400 return NULL;
401 }
402 p = proctitle;
403 proc_state_ptr->proctitle[0] = '\0';
404 do {
405 sg_strlcat(proc_state_ptr->proctitle, p, size+1);
406 sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
407 p += strlen(p) + 1;
408 } while (p < proctitle + size);
409 free(proctitle);
410 /* remove trailing space */
411 proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
412 }
413 else {
414 free(proctitle);
415 proc_state_ptr->proctitle = NULL;
416 }
417 #else
418 free(proc_state_ptr->proctitle);
419 if(kvmd != NULL) {
420 args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
421 if(args != NULL) {
422 argsp = args;
423 while(*argsp != NULL) {
424 argslen += strlen(*argsp) + 1;
425 argsp++;
426 }
427 proctitle = sg_malloc(argslen + 1);
428 proctitle[0] = '\0';
429 if(proctitle == NULL) {
430 return NULL;
431 }
432 while(*args != NULL) {
433 sg_strlcat(proctitle, *args, argslen + 1);
434 sg_strlcat(proctitle, " ", argslen + 1);
435 args++;
436 }
437 /* remove trailing space */
438 proctitle[strlen(proctitle)-1] = '\0';
439 proc_state_ptr->proctitle = proctitle;
440 }
441 else {
442 proc_state_ptr->proctitle = NULL;
443 }
444 }
445 else {
446 proc_state_ptr->proctitle = NULL;
447 }
448 #endif
449
450 #ifdef FREEBSD5
451 proc_state_ptr->pid = kp_stats[i].ki_pid;
452 proc_state_ptr->parent = kp_stats[i].ki_ppid;
453 proc_state_ptr->pgid = kp_stats[i].ki_pgid;
454 #else
455 proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
456 proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
457 proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
458 #endif
459
460 #ifdef FREEBSD5
461 proc_state_ptr->uid = kp_stats[i].ki_ruid;
462 proc_state_ptr->euid = kp_stats[i].ki_uid;
463 proc_state_ptr->gid = kp_stats[i].ki_rgid;
464 proc_state_ptr->egid = kp_stats[i].ki_svgid;
465 #elif defined(DFBSD)
466 proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
467 proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
468 proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
469 proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
470 #else
471 proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
472 proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
473 proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
474 proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
475 #endif
476
477 #ifdef FREEBSD5
478 proc_state_ptr->proc_size = kp_stats[i].ki_size;
479 /* This is in pages */
480 proc_state_ptr->proc_resident =
481 kp_stats[i].ki_rssize * getpagesize();
482 /* This is in microseconds */
483 proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
484 proc_state_ptr->cpu_percent =
485 ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
486 proc_state_ptr->nice = kp_stats[i].ki_nice;
487 #else
488 proc_state_ptr->proc_size =
489 kp_stats[i].kp_eproc.e_vm.vm_map.size;
490 /* This is in pages */
491 proc_state_ptr->proc_resident =
492 kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
493 #if defined(NETBSD) || defined(OPENBSD)
494 proc_state_ptr->time_spent =
495 kp_stats[i].kp_proc.p_rtime.tv_sec;
496 #elif defined(DFBSD)
497 proc_state_ptr->time_spent =
498 ( kp_stats[i].kp_thread.td_uticks +
499 kp_stats[i].kp_thread.td_sticks +
500 kp_stats[i].kp_thread.td_iticks ) / 1000000;
501 #else
502 /* This is in microseconds */
503 proc_state_ptr->time_spent =
504 kp_stats[i].kp_proc.p_runtime / 1000000;
505 #endif
506 proc_state_ptr->cpu_percent =
507 ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
508 proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
509 #endif
510
511 #ifdef NETBSD2
512 {
513 size_t size;
514 int mib[5];
515
516 mib[0] = CTL_KERN;
517 mib[1] = KERN_LWP;
518 mib[2] = kp_stats[i].kp_proc.p_pid;
519 mib[3] = sizeof(struct kinfo_lwp);
520 mib[4] = 0;
521
522 if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
523 return NULL;
524 }
525
526 lwps = size / sizeof(struct kinfo_lwp);
527 mib[4] = lwps;
528
529 kl_stats = sg_malloc(size);
530 if(kl_stats == NULL) {
531 return NULL;
532 }
533
534 if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
535 return NULL;
536 }
537 }
538
539 switch(kp_stats[i].kp_proc.p_stat) {
540 case SIDL:
541 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
542 break;
543 case SACTIVE:
544 {
545 int i;
546
547 for(i = 0; i < lwps; i++) {
548 switch(kl_stats[i].l_stat) {
549 case LSONPROC:
550 case LSRUN:
551 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
552 goto end;
553 case LSSLEEP:
554 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
555 goto end;
556 case LSSTOP:
557 case LSSUSPENDED:
558 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
559 goto end;
560 }
561 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
562 }
563 end: ;
564 }
565 break;
566 case SSTOP:
567 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
568 break;
569 case SZOMB:
570 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
571 break;
572 default:
573 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
574 break;
575 }
576 #else
577 #ifdef FREEBSD5
578 switch (kp_stats[i].ki_stat) {
579 #else
580 switch (kp_stats[i].kp_proc.p_stat) {
581 #endif
582 case SIDL:
583 case SRUN:
584 #ifdef SONPROC
585 case SONPROC: /* NetBSD */
586 #endif
587 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
588 break;
589 case SSLEEP:
590 #ifdef SWAIT
591 case SWAIT: /* FreeBSD 5 */
592 #endif
593 #ifdef SLOCK
594 case SLOCK: /* FreeBSD 5 */
595 #endif
596 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
597 break;
598 case SSTOP:
599 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
600 break;
601 case SZOMB:
602 #ifdef SDEAD
603 case SDEAD: /* OpenBSD & NetBSD */
604 #endif
605 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
606 break;
607 default:
608 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
609 break;
610 }
611 #endif
612 proc_state_size++;
613 }
614
615 free(kp_stats);
616 #endif
617
618 #ifdef CYGWIN
619 return NULL;
620 #endif
621
622 *entries = proc_state_size;
623 return proc_state;
624 }
625
626 sg_process_count *sg_get_process_count() {
627 static sg_process_count process_stat;
628 sg_process_stats *ps;
629 int ps_size, x;
630
631 process_stat.sleeping = 0;
632 process_stat.running = 0;
633 process_stat.zombie = 0;
634 process_stat.stopped = 0;
635 process_stat.total = 0;
636
637 ps = sg_get_process_stats(&ps_size);
638 if (ps == NULL) {
639 return NULL;
640 }
641
642 for(x = 0; x < ps_size; x++) {
643 switch (ps->state) {
644 case SG_PROCESS_STATE_RUNNING:
645 process_stat.running++;
646 break;
647 case SG_PROCESS_STATE_SLEEPING:
648 process_stat.sleeping++;
649 break;
650 case SG_PROCESS_STATE_STOPPED:
651 process_stat.stopped++;
652 break;
653 case SG_PROCESS_STATE_ZOMBIE:
654 process_stat.zombie++;
655 break;
656 default:
657 /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
658 * sg_process_count */
659 break;
660 }
661 ps++;
662 }
663
664 process_stat.total = ps_size;
665
666 return &process_stat;
667 }