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root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c
Revision: 1.78
Committed: Sat Nov 6 15:31:26 2004 UTC (19 years, 6 months ago) by ats
Content type: text/plain
Branch: MAIN
Changes since 1.77: +11 -4 lines
Log Message:
Oops -- make the loop work. (Untested.)

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 1.77 2004/11/06 15:10:07 ats 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 #ifdef HPUX
76 #include <sys/param.h>
77 #include <sys/pstat.h>
78 #include <unistd.h>
79 #define PROCESS_BATCH 30
80 #endif
81
82 static void proc_state_init(sg_process_stats *s) {
83 s->process_name = NULL;
84 s->proctitle = NULL;
85 }
86
87 static void proc_state_destroy(sg_process_stats *s) {
88 free(s->process_name);
89 free(s->proctitle);
90 }
91
92 sg_process_stats *sg_get_process_stats(int *entries){
93 VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
94 proc_state_init, proc_state_destroy);
95 int proc_state_size = 0;
96 sg_process_stats *proc_state_ptr;
97 #ifdef HPUX
98 struct pst_status pstat_procinfo[PROCESS_BATCH];
99 long procidx = 0;
100 long long pagesize;
101 int num, i;
102 #endif
103 #ifdef ALLBSD
104 int mib[4];
105 size_t size;
106 struct kinfo_proc *kp_stats;
107 int procs, i;
108 char *proctitle;
109 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
110 kvm_t *kvmd;
111 char **args, **argsp;
112 int argslen = 0;
113 #else
114 long buflen;
115 char *p, *proctitletmp;
116 #endif
117 #ifdef NETBSD2
118 int lwps;
119 struct kinfo_lwp *kl_stats;
120 #endif
121 #endif
122 #if defined(SOLARIS) || defined(LINUX)
123 DIR *proc_dir;
124 struct dirent *dir_entry;
125 char filename[MAX_FILE_LENGTH];
126 FILE *f;
127 #ifdef SOLARIS
128 psinfo_t process_info;
129 #endif
130 #ifdef LINUX
131 char s;
132 /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
133 char ps_name[4096];
134 char *ptr;
135 VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
136 unsigned long stime, utime, starttime;
137 int x;
138 int fn;
139 int len;
140 int rc;
141 time_t uptime;
142 #endif
143
144 #ifdef LINUX
145 if ((f=fopen("/proc/uptime", "r")) == NULL) {
146 sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime");
147 return NULL;
148 }
149 if((fscanf(f,"%lu %*d",&uptime)) != 1){
150 sg_set_error(SG_ERROR_PARSE, NULL);
151 return NULL;
152 }
153 fclose(f);
154 #endif
155
156 if((proc_dir=opendir(PROC_LOCATION))==NULL){
157 sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
158 return NULL;
159 }
160
161 while((dir_entry=readdir(proc_dir))!=NULL){
162 if(atoi(dir_entry->d_name) == 0) continue;
163
164 #ifdef SOLARIS
165 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
166 #endif
167 #ifdef LINUX
168 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
169 #endif
170 if((f=fopen(filename, "r"))==NULL){
171 /* Open failed.. Process since vanished, or the path was too long.
172 * Ah well, move onwards to the next one */
173 continue;
174 }
175 #ifdef SOLARIS
176 fread(&process_info, sizeof(psinfo_t), 1, f);
177 fclose(f);
178 #endif
179
180 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
181 return NULL;
182 }
183 proc_state_ptr = proc_state+proc_state_size;
184
185 #ifdef SOLARIS
186 proc_state_ptr->pid = process_info.pr_pid;
187 proc_state_ptr->parent = process_info.pr_ppid;
188 proc_state_ptr->pgid = process_info.pr_pgid;
189 proc_state_ptr->uid = process_info.pr_uid;
190 proc_state_ptr->euid = process_info.pr_euid;
191 proc_state_ptr->gid = process_info.pr_gid;
192 proc_state_ptr->egid = process_info.pr_egid;
193 proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
194 proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
195 proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
196 proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
197 proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
198 if (sg_update_string(&proc_state_ptr->process_name,
199 process_info.pr_fname) < 0) {
200 return NULL;
201 }
202 if (sg_update_string(&proc_state_ptr->proctitle,
203 process_info.pr_psargs) < 0) {
204 return NULL;
205 }
206
207 switch (process_info.pr_lwp.pr_state) {
208 case 1:
209 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
210 break;
211 case 2:
212 case 5:
213 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
214 break;
215 case 3:
216 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
217 break;
218 case 4:
219 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
220 break;
221 }
222 #endif
223 #ifdef LINUX
224 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));
225 /* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
226 proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
227 switch (s) {
228 case 'S':
229 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
230 break;
231 case 'R':
232 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
233 break;
234 case 'Z':
235 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
236 break;
237 case 'T':
238 case 'D':
239 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
240 break;
241 }
242
243 /* pa_name[0] should = '(' */
244 ptr = strchr(&ps_name[1], ')');
245 if(ptr !=NULL) *ptr='\0';
246
247 if (sg_update_string(&proc_state_ptr->process_name,
248 &ps_name[1]) < 0) {
249 return NULL;
250 }
251
252 /* cpu */
253 proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
254
255 fclose(f);
256
257 /* uid / gid */
258 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
259 if ((f=fopen(filename, "r")) == NULL) {
260 /* Open failed.. Process since vanished, or the path was too long.
261 * Ah well, move onwards to the next one */
262 continue;
263 }
264
265 if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
266 fclose(f);
267 continue;
268 }
269 sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
270
271 if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
272 fclose(f);
273 continue;
274 }
275 sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
276
277 fclose(f);
278
279 /* proctitle */
280 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
281
282 if((fn=open(filename, O_RDONLY)) == -1){
283 /* Open failed.. Process since vanished, or the path was too long.
284 * Ah well, move onwards to the next one */
285 continue;
286 }
287
288 #define READ_BLOCK_SIZE 128
289 len = 0;
290 do {
291 if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
292 return NULL;
293 }
294 rc = read(fn, psargs + len, READ_BLOCK_SIZE);
295 if (rc > 0) {
296 len += rc;
297 }
298 } while (rc == READ_BLOCK_SIZE);
299 close(fn);
300
301 if (rc == -1) {
302 /* Read failed; move on. */
303 continue;
304 }
305
306 /* Turn \0s into spaces within the command line. */
307 ptr = psargs;
308 for(x = 0; x < len; x++) {
309 if (*ptr == '\0') *ptr = ' ';
310 ptr++;
311 }
312
313 if (len == 0) {
314 /* We want psargs to be NULL. */
315 if (VECTOR_RESIZE(psargs, 0) < 0) {
316 return NULL;
317 }
318 } else {
319 /* Not empty, so append a \0. */
320 if (VECTOR_RESIZE(psargs, len + 1) < 0) {
321 return NULL;
322 }
323 psargs[len] = '\0';
324 }
325
326 if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
327 return NULL;
328 }
329 #endif
330
331 proc_state_size++;
332 }
333 closedir(proc_dir);
334 #endif
335
336 #ifdef ALLBSD
337 mib[0] = CTL_KERN;
338 mib[1] = KERN_PROC;
339 mib[2] = KERN_PROC_ALL;
340
341 if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
342 sg_set_error_with_errno(SG_ERROR_SYSCTL,
343 "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
344 return NULL;
345 }
346
347 procs = size / sizeof(struct kinfo_proc);
348
349 kp_stats = sg_malloc(size);
350 if(kp_stats == NULL) {
351 return NULL;
352 }
353 memset(kp_stats, 0, size);
354
355 if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
356 sg_set_error_with_errno(SG_ERROR_SYSCTL,
357 "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
358 free(kp_stats);
359 return NULL;
360 }
361
362 #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
363 kvmd = sg_get_kvm2();
364 #endif
365
366 for (i = 0; i < procs; i++) {
367 const char *name;
368
369 #ifdef FREEBSD5
370 if (kp_stats[i].ki_stat == 0) {
371 #else
372 if (kp_stats[i].kp_proc.p_stat == 0) {
373 #endif
374 /* FreeBSD 5 deliberately overallocates the array that
375 * the sysctl returns, so we'll get a few junk
376 * processes on the end that we have to ignore. (Search
377 * for "overestimate by 5 procs" in
378 * src/sys/kern/kern_proc.c for more details.) */
379 continue;
380 }
381
382 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
383 return NULL;
384 }
385 proc_state_ptr = proc_state+proc_state_size;
386
387 #ifdef FREEBSD5
388 name = kp_stats[i].ki_comm;
389 #elif defined(DFBSD)
390 name = kp_stats[i].kp_thread.td_comm;
391 #else
392 name = kp_stats[i].kp_proc.p_comm;
393 #endif
394 if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
395 return NULL;
396 }
397
398 #if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
399
400 #ifdef FREEBSD5
401 mib[2] = KERN_PROC_ARGS;
402 mib[3] = kp_stats[i].ki_pid;
403 #else
404 mib[1] = KERN_PROC_ARGS;
405 mib[2] = kp_stats[i].kp_proc.p_pid;
406 mib[3] = KERN_PROC_ARGV;
407 #endif
408
409 free(proc_state_ptr->proctitle);
410 proc_state_ptr->proctitle = NULL;
411
412 /* Starting size - we'll double this straight away */
413 #define PROCTITLE_START_SIZE 64
414 buflen = PROCTITLE_START_SIZE;
415 size = buflen;
416 proctitle = NULL;
417
418 do {
419 if(size >= buflen) {
420 buflen *= 2;
421 size = buflen;
422 proctitletmp = sg_realloc(proctitle, buflen);
423 if(proctitletmp == NULL) {
424 free(proctitle);
425 proctitle = NULL;
426 proc_state_ptr->proctitle = NULL;
427 size = 0;
428 break;
429 }
430 proctitle = proctitletmp;
431 bzero(proctitle, buflen);
432 }
433
434 if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
435 free(proctitle);
436 proctitle = NULL;
437 proc_state_ptr->proctitle = NULL;
438 size = 0;
439 break;
440 }
441 } while(size >= buflen);
442
443 if(size > 0) {
444 proc_state_ptr->proctitle = sg_malloc(size+1);
445 if(proc_state_ptr->proctitle == NULL) {
446 return NULL;
447 }
448 p = proctitle;
449 #ifdef OPENBSD
450 /* On OpenBSD, this value has the argv pointers (which
451 * are terminated by a NULL) at the front, so we have
452 * to skip over them to get to the strings. */
453 while (*(char ***)p != NULL) {
454 p += sizeof(char **);
455 }
456 p += sizeof(char **);
457 #endif
458 proc_state_ptr->proctitle[0] = '\0';
459 do {
460 sg_strlcat(proc_state_ptr->proctitle, p, size+1);
461 sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
462 p += strlen(p) + 1;
463 } while (p < proctitle + size);
464 free(proctitle);
465 proctitle = NULL;
466 /* remove trailing space */
467 proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
468 }
469 else {
470 if(proctitle != NULL) {
471 free(proctitle);
472 proctitle = NULL;
473 }
474 proc_state_ptr->proctitle = NULL;
475 }
476 #else
477 free(proc_state_ptr->proctitle);
478 proc_state_ptr->proctitle = NULL;
479 if(kvmd != NULL) {
480 args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
481 if(args != NULL) {
482 argsp = args;
483 while(*argsp != NULL) {
484 argslen += strlen(*argsp) + 1;
485 argsp++;
486 }
487 proctitle = sg_malloc(argslen + 1);
488 proctitle[0] = '\0';
489 if(proctitle == NULL) {
490 return NULL;
491 }
492 while(*args != NULL) {
493 sg_strlcat(proctitle, *args, argslen + 1);
494 sg_strlcat(proctitle, " ", argslen + 1);
495 args++;
496 }
497 /* remove trailing space */
498 proctitle[strlen(proctitle)-1] = '\0';
499 proc_state_ptr->proctitle = proctitle;
500 }
501 else {
502 proc_state_ptr->proctitle = NULL;
503 }
504 }
505 else {
506 proc_state_ptr->proctitle = NULL;
507 }
508 #endif
509
510 #ifdef FREEBSD5
511 proc_state_ptr->pid = kp_stats[i].ki_pid;
512 proc_state_ptr->parent = kp_stats[i].ki_ppid;
513 proc_state_ptr->pgid = kp_stats[i].ki_pgid;
514 #else
515 proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
516 proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
517 proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
518 #endif
519
520 #ifdef FREEBSD5
521 proc_state_ptr->uid = kp_stats[i].ki_ruid;
522 proc_state_ptr->euid = kp_stats[i].ki_uid;
523 proc_state_ptr->gid = kp_stats[i].ki_rgid;
524 proc_state_ptr->egid = kp_stats[i].ki_svgid;
525 #elif defined(DFBSD)
526 proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
527 proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
528 proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
529 proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
530 #else
531 proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
532 proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
533 proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
534 proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
535 #endif
536
537 #ifdef FREEBSD5
538 proc_state_ptr->proc_size = kp_stats[i].ki_size;
539 /* This is in pages */
540 proc_state_ptr->proc_resident =
541 kp_stats[i].ki_rssize * getpagesize();
542 /* This is in microseconds */
543 proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
544 proc_state_ptr->cpu_percent =
545 ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
546 proc_state_ptr->nice = kp_stats[i].ki_nice;
547 #else
548 proc_state_ptr->proc_size =
549 kp_stats[i].kp_eproc.e_vm.vm_map.size;
550 /* This is in pages */
551 proc_state_ptr->proc_resident =
552 kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
553 #if defined(NETBSD) || defined(OPENBSD)
554 proc_state_ptr->time_spent =
555 kp_stats[i].kp_proc.p_rtime.tv_sec;
556 #elif defined(DFBSD)
557 proc_state_ptr->time_spent =
558 ( kp_stats[i].kp_thread.td_uticks +
559 kp_stats[i].kp_thread.td_sticks +
560 kp_stats[i].kp_thread.td_iticks ) / 1000000;
561 #else
562 /* This is in microseconds */
563 proc_state_ptr->time_spent =
564 kp_stats[i].kp_proc.p_runtime / 1000000;
565 #endif
566 proc_state_ptr->cpu_percent =
567 ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
568 proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
569 #endif
570
571 #ifdef NETBSD2
572 {
573 size_t size;
574 int mib[5];
575
576 mib[0] = CTL_KERN;
577 mib[1] = KERN_LWP;
578 mib[2] = kp_stats[i].kp_proc.p_pid;
579 mib[3] = sizeof(struct kinfo_lwp);
580 mib[4] = 0;
581
582 if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
583 sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
584 return NULL;
585 }
586
587 lwps = size / sizeof(struct kinfo_lwp);
588 mib[4] = lwps;
589
590 kl_stats = sg_malloc(size);
591 if(kl_stats == NULL) {
592 return NULL;
593 }
594
595 if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
596 sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
597 return NULL;
598 }
599 }
600
601 switch(kp_stats[i].kp_proc.p_stat) {
602 case SIDL:
603 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
604 break;
605 case SACTIVE:
606 {
607 int i;
608
609 for(i = 0; i < lwps; i++) {
610 switch(kl_stats[i].l_stat) {
611 case LSONPROC:
612 case LSRUN:
613 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
614 goto end;
615 case LSSLEEP:
616 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
617 goto end;
618 case LSSTOP:
619 case LSSUSPENDED:
620 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
621 goto end;
622 }
623 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
624 }
625 end: ;
626 }
627 break;
628 case SSTOP:
629 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
630 break;
631 case SZOMB:
632 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
633 break;
634 default:
635 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
636 break;
637 }
638
639 free(kl_stats);
640 #else
641 #ifdef FREEBSD5
642 switch (kp_stats[i].ki_stat) {
643 #else
644 switch (kp_stats[i].kp_proc.p_stat) {
645 #endif
646 case SIDL:
647 case SRUN:
648 #ifdef SONPROC
649 case SONPROC: /* NetBSD */
650 #endif
651 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
652 break;
653 case SSLEEP:
654 #ifdef SWAIT
655 case SWAIT: /* FreeBSD 5 */
656 #endif
657 #ifdef SLOCK
658 case SLOCK: /* FreeBSD 5 */
659 #endif
660 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
661 break;
662 case SSTOP:
663 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
664 break;
665 case SZOMB:
666 #ifdef SDEAD
667 case SDEAD: /* OpenBSD & NetBSD */
668 #endif
669 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
670 break;
671 default:
672 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
673 break;
674 }
675 #endif
676 proc_state_size++;
677 }
678
679 free(kp_stats);
680 #endif
681
682 #ifdef HPUX
683 if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) {
684 sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
685 return NULL;
686 }
687
688 while (1) {
689 num = pstat_getproc(pstat_procinfo, sizeof pstat_procinfo[0],
690 PROCESS_BATCH, procidx);
691 if (num == -1) {
692 sg_set_error_with_errno(SG_ERROR_PSTAT,
693 "pstat_getproc");
694 return NULL;
695 } else if (num == 0) {
696 break;
697 }
698
699 for (i = 0; i < num; i++) {
700 struct pst_status *pi = &pstat_procinfo[i];
701
702 if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
703 return NULL;
704 }
705 proc_state_ptr = proc_state+proc_state_size;
706
707 proc_state_ptr->pid = pi->pst_pid;
708 proc_state_ptr->parent = pi->pst_ppid;
709 proc_state_ptr->pgid = pi->pst_pgrp;
710 proc_state_ptr->uid = pi->pst_uid;
711 proc_state_ptr->euid = pi->pst_euid;
712 proc_state_ptr->gid = pi->pst_gid;
713 proc_state_ptr->egid = pi->pst_egid;
714 proc_state_ptr->proc_size = (pi->pst_dsize + pi->pst_tsize + pi->pst_ssize) * pagesize;
715 proc_state_ptr->proc_resident = pi->pst_rssize * pagesize;
716 proc_state_ptr->time_spent = pi->pst_time;
717 proc_state_ptr->cpu_percent = (pi->pst_pctcpu * 100.0) / 0x8000;
718 proc_state_ptr->nice = pi->pst_nice;
719
720 if (sg_update_string(&proc_state_ptr->process_name,
721 pi->pst_ucomm) < 0) {
722 return NULL;
723 }
724 if (sg_update_string(&proc_state_ptr->proctitle,
725 pi->pst_cmd) < 0) {
726 return NULL;
727 }
728
729 switch (pi->pst_stat) {
730 case PS_SLEEP:
731 proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
732 break;
733 case PS_RUN:
734 proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
735 break;
736 case PS_STOP:
737 proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
738 break;
739 case PS_ZOMBIE:
740 proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
741 break;
742 case PS_IDLE:
743 case PS_OTHER:
744 proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
745 break;
746 }
747
748 proc_state_size++;
749 }
750 procidx = pstat_procinfo[num - 1].pst_idx + 1;
751 }
752 #endif
753
754 #ifdef CYGWIN
755 sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
756 return NULL;
757 #endif
758
759 *entries = proc_state_size;
760 return proc_state;
761 }
762
763 sg_process_count *sg_get_process_count() {
764 static sg_process_count process_stat;
765 sg_process_stats *ps;
766 int ps_size, x;
767
768 process_stat.sleeping = 0;
769 process_stat.running = 0;
770 process_stat.zombie = 0;
771 process_stat.stopped = 0;
772 process_stat.total = 0;
773
774 ps = sg_get_process_stats(&ps_size);
775 if (ps == NULL) {
776 return NULL;
777 }
778
779 for(x = 0; x < ps_size; x++) {
780 switch (ps->state) {
781 case SG_PROCESS_STATE_RUNNING:
782 process_stat.running++;
783 break;
784 case SG_PROCESS_STATE_SLEEPING:
785 process_stat.sleeping++;
786 break;
787 case SG_PROCESS_STATE_STOPPED:
788 process_stat.stopped++;
789 break;
790 case SG_PROCESS_STATE_ZOMBIE:
791 process_stat.zombie++;
792 break;
793 default:
794 /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
795 * sg_process_count */
796 break;
797 }
798 ps++;
799 }
800
801 process_stat.total = ps_size;
802
803 return &process_stat;
804 }
805
806 int sg_process_compare_name(const void *va, const void *vb) {
807 const sg_process_stats *a = (sg_process_stats *)va;
808 const sg_process_stats *b = (sg_process_stats *)vb;
809
810 return strcmp(a->process_name, b->process_name);
811 }
812
813 int sg_process_compare_pid(const void *va, const void *vb) {
814 const sg_process_stats *a = (sg_process_stats *)va;
815 const sg_process_stats *b = (sg_process_stats *)vb;
816
817 if (a->pid < b->pid) {
818 return -1;
819 } else if (a->pid == b->pid) {
820 return 0;
821 } else {
822 return 1;
823 }
824 }
825
826 int sg_process_compare_uid(const void *va, const void *vb) {
827 const sg_process_stats *a = (sg_process_stats *)va;
828 const sg_process_stats *b = (sg_process_stats *)vb;
829
830 if (a->uid < b->uid) {
831 return -1;
832 } else if (a->uid == b->uid) {
833 return 0;
834 } else {
835 return 1;
836 }
837 }
838
839 int sg_process_compare_gid(const void *va, const void *vb) {
840 const sg_process_stats *a = (sg_process_stats *)va;
841 const sg_process_stats *b = (sg_process_stats *)vb;
842
843 if (a->gid < b->gid) {
844 return -1;
845 } else if (a->gid == b->gid) {
846 return 0;
847 } else {
848 return 1;
849 }
850 }
851
852 int sg_process_compare_size(const void *va, const void *vb) {
853 const sg_process_stats *a = (sg_process_stats *)va;
854 const sg_process_stats *b = (sg_process_stats *)vb;
855
856 if (a->proc_size < b->proc_size) {
857 return -1;
858 } else if (a->proc_size == b->proc_size) {
859 return 0;
860 } else {
861 return 1;
862 }
863 }
864
865 int sg_process_compare_res(const void *va, const void *vb) {
866 const sg_process_stats *a = (sg_process_stats *)va;
867 const sg_process_stats *b = (sg_process_stats *)vb;
868
869 if (a->proc_resident < b->proc_resident) {
870 return -1;
871 } else if (a->proc_resident == b->proc_resident) {
872 return 0;
873 } else {
874 return 1;
875 }
876 }
877
878 int sg_process_compare_cpu(const void *va, const void *vb) {
879 const sg_process_stats *a = (sg_process_stats *)va;
880 const sg_process_stats *b = (sg_process_stats *)vb;
881
882 if (a->cpu_percent < b->cpu_percent) {
883 return -1;
884 } else if (a->cpu_percent == b->cpu_percent) {
885 return 0;
886 } else {
887 return 1;
888 }
889 }
890
891 int sg_process_compare_time(const void *va, const void *vb) {
892 const sg_process_stats *a = (sg_process_stats *)va;
893 const sg_process_stats *b = (sg_process_stats *)vb;
894
895 if (a->time_spent < b->time_spent) {
896 return -1;
897 } else if (a->time_spent == b->time_spent) {
898 return 0;
899 } else {
900 return 1;
901 }
902 }
903