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root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c

Comparing projects/libstatgrab/src/libstatgrab/process_stats.c (file contents):
Revision 1.24 by pajs, Sun Mar 28 18:22:58 2004 UTC vs.
Revision 1.59 by tdb, Tue Apr 6 21:08:03 2004 UTC

#	Line 1 | Line 1
1		/*
2	<	* i-scream central monitoring system
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4		* Copyright (C) 2000-2004 i-scream
5		*
#	Line 26 | Line 26
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>
#	Line 42 | Line 44
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
#	Line 54 | Line 59
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	<	int get_proc_snapshot(proc_state_t **ps){
76	<	proc_state_t *proc_state = NULL;
77	<	proc_state_t *proc_state_ptr;
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;
#	Line 68 | Line 114 | int get_proc_snapshot(proc_state_t **ps){
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		}
#	Line 79 | Line 148 | int get_proc_snapshot(proc_state_t **ps){
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 */
#	Line 86 | Line 158 | int get_proc_snapshot(proc_state_t **ps){
158		}
159		#ifdef SOLARIS
160		fread(&process_info, sizeof(psinfo_t), 1, f);
161	+	#endif
162
163	<	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
163	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
164	>	return NULL;
165	>	}
166		proc_state_ptr = proc_state+proc_state_size;
167	<
167	>
168	>	#ifdef SOLARIS
169		proc_state_ptr->pid = process_info.pr_pid;
170		proc_state_ptr->parent = process_info.pr_ppid;
171		proc_state_ptr->pgid = process_info.pr_pgid;
#	Line 104 | Line 180 | int get_proc_snapshot(proc_state_t **ps){
180		proc_state_ptr->process_name = strdup(process_info.pr_fname);
181		proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
182
183	<	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING;
184	<	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING;
185	<	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE;
186	<	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED;
187	<	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING;
183	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
184	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
185	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
186	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
187	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
188		#endif
189	+	#ifdef LINUX
190	+	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));
191	+	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
192	+	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
193	+	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
194	+	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
195	+	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
196	+	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
197	+	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
198	+
199	+	/* pa_name[0] should = '(' */
200	+	ptr = strchr(&ps_name[1], ')');
201	+	if(ptr !=NULL) *ptr='\0';
202
203	<	proc_state_size++;
204	<	#endif
203	>	if (sg_update_string(&proc_state_ptr->process_name,
204	>	&ps_name[1]) < 0) {
205	>	return NULL;
206	>	}
207
208	+	/* cpu */
209	+	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
210	+	printf("%s  ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);
211
212		fclose(f);
213	+
214	+	/* proctitle */
215	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
216	+
217	+	if((fn=open(filename, O_RDONLY)) == -1){
218	+	/* Open failed.. Process since vanished, or the path was too long.
219	+	* Ah well, move onwards to the next one */
220	+	continue;
221	+	}
222	+
223	+	#define READ_BLOCK_SIZE 128
224	+	len = 0;
225	+	do {
226	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
227	+	return NULL;
228	+	}
229	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
230	+	if (rc > 0) {
231	+	len += rc;
232	+	}
233	+	} while (rc == READ_BLOCK_SIZE);
234	+	close(fn);
235	+
236	+	if (rc == -1) {
237	+	/* Read failed; move on. */
238	+	continue;
239	+	}
240	+
241	+	/* Turn \0s into spaces within the command line. */
242	+	ptr = psargs;
243	+	for(x = 0; x < len; x++) {
244	+	if (*ptr == '\0') *ptr = ' ';
245	+	ptr++;
246	+	}
247	+
248	+	if (len == 0) {
249	+	/* We want psargs to be NULL. */
250	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
251	+	return NULL;
252	+	}
253	+	} else {
254	+	/* Not empty, so append a \0. */
255	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
256	+	return NULL;
257	+	}
258	+	psargs[len] = '\0';
259	+	}
260	+
261	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
262	+	return NULL;
263	+	}
264	+	#endif
265	+
266	+	proc_state_size++;
267		}
268		closedir(proc_dir);
269	<	*ps = proc_state;
269	>	#endif
270
271	<	return proc_state_size;
271	>	#ifdef ALLBSD
272	>	mib[0] = CTL_KERN;
273	>	mib[1] = KERN_PROC;
274	>	mib[2] = KERN_PROC_ALL;
275	>
276	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
277	>	return NULL;
278	>	}
279	>
280	>	procs = size / sizeof(struct kinfo_proc);
281	>
282	>	kp_stats = malloc(size);
283	>	if(kp_stats == NULL) {
284	>	return NULL;
285	>	}
286	>	memset(kp_stats, 0, size);
287	>
288	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
289	>	free(kp_stats);
290	>	return NULL;
291	>	}
292	>
293	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
294	>	kvmd = sg_get_kvm2();
295	>	#endif
296	>
297	>	for (i = 0; i < procs; i++) {
298	>	const char *name;
299	>
300	>	#ifdef FREEBSD5
301	>	if (kp_stats[i].ki_stat == 0) {
302	>	#else
303	>	if (kp_stats[i].kp_proc.p_stat == 0) {
304	>	#endif
305	>	/* FreeBSD 5 deliberately overallocates the array that
306	>	* the sysctl returns, so we'll get a few junk
307	>	* processes on the end that we have to ignore. (Search
308	>	* for "overestimate by 5 procs" in
309	>	* src/sys/kern/kern_proc.c for more details.) */
310	>	continue;
311	>	}
312	>
313	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
314	>	return NULL;
315	>	}
316	>	proc_state_ptr = proc_state+proc_state_size;
317	>
318	>	#ifdef FREEBSD5
319	>	name = kp_stats[i].ki_comm;
320	>	#elif defined(DFBSD)
321	>	name = kp_stats[i].kp_thread.td_comm;
322	>	#else
323	>	name = kp_stats[i].kp_proc.p_comm;
324	>	#endif
325	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
326	>	return NULL;
327	>	}
328	>
329	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
330	>	size = sizeof(buflen);
331	>
332	>	#ifdef FREEBSD5
333	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
334	>	return NULL;
335	>	}
336	>	#else
337	>	/* FIXME - this value can be too large on some of
338	>	the BSD's, which causes sysctl not to return
339	>	anything. Maybe we need something smaller? */
340	>	mib[1] = KERN_ARGMAX;
341	>
342	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
343	>	return NULL;
344	>	}
345	>	#endif
346	>
347	>	proctitle = malloc(buflen);
348	>	if(proctitle == NULL) {
349	>	return NULL;
350	>	}
351	>
352	>	size = buflen;
353	>
354	>	#ifdef FREEBSD5
355	>	mib[2] = KERN_PROC_ARGS;
356	>	mib[3] = kp_stats[i].ki_pid;
357	>	#else
358	>	mib[1] = KERN_PROC_ARGS;
359	>	mib[2] = kp_stats[i].kp_proc.p_pid;
360	>	mib[3] = KERN_PROC_ARGV;
361	>	#endif
362	>
363	>	free(proc_state_ptr->proctitle);
364	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
365	>	free(proctitle);
366	>	proc_state_ptr->proctitle = NULL;
367	>	}
368	>	else if(size > 0) {
369	>	proc_state_ptr->proctitle = malloc(size+1);
370	>	if(proc_state_ptr->proctitle == NULL) {
371	>	return NULL;
372	>	}
373	>	p = proctitle;
374	>	proc_state_ptr->proctitle[0] = '\0';
375	>	do {
376	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
377	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
378	>	p += strlen(p) + 1;
379	>	} while (p < proctitle + size);
380	>	free(proctitle);
381	>	/* remove trailing space */
382	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
383	>	}
384	>	else {
385	>	free(proctitle);
386	>	proc_state_ptr->proctitle = NULL;
387	>	}
388	>	#else
389	>	free(proc_state_ptr->proctitle);
390	>	if(kvmd != NULL) {
391	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
392	>	if(args != NULL) {
393	>	argsp = args;
394	>	while(*argsp != NULL) {
395	>	argslen += strlen(*argsp) + 1;
396	>	argsp++;
397	>	}
398	>	proctitle = malloc(argslen + 1);
399	>	proctitle[0] = '\0';
400	>	if(proctitle == NULL) {
401	>	return NULL;
402	>	}
403	>	while(*args != NULL) {
404	>	sg_strlcat(proctitle, *args, argslen + 1);
405	>	sg_strlcat(proctitle, " ", argslen + 1);
406	>	args++;
407	>	}
408	>	/* remove trailing space */
409	>	proctitle[strlen(proctitle)-1] = '\0';
410	>	proc_state_ptr->proctitle = proctitle;
411	>	}
412	>	else {
413	>	proc_state_ptr->proctitle = NULL;
414	>	}
415	>	}
416	>	else {
417	>	proc_state_ptr->proctitle = NULL;
418	>	}
419	>	#endif
420	>
421	>	#ifdef FREEBSD5
422	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
423	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
424	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
425	>	#else
426	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
427	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
428	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
429	>	#endif
430	>
431	>	#ifdef FREEBSD5
432	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
433	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
434	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
435	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
436	>	#elif defined(DFBSD)
437	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
438	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
439	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
440	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
441	>	#else
442	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
443	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
444	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
445	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
446	>	#endif
447	>
448	>	#ifdef FREEBSD5
449	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
450	>	/* This is in pages */
451	>	proc_state_ptr->proc_resident =
452	>	kp_stats[i].ki_rssize * getpagesize();
453	>	/* This is in microseconds */
454	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
455	>	proc_state_ptr->cpu_percent =
456	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
457	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
458	>	#else
459	>	proc_state_ptr->proc_size =
460	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
461	>	/* This is in pages */
462	>	proc_state_ptr->proc_resident =
463	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
464	>	#if defined(NETBSD) || defined(OPENBSD)
465	>	proc_state_ptr->time_spent =
466	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
467	>	#elif defined(DFBSD)
468	>	proc_state_ptr->time_spent =
469	>	( kp_stats[i].kp_thread.td_uticks +
470	>	kp_stats[i].kp_thread.td_sticks +
471	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
472	>	#else
473	>	/* This is in microseconds */
474	>	proc_state_ptr->time_spent =
475	>	kp_stats[i].kp_proc.p_runtime / 1000000;
476	>	#endif
477	>	proc_state_ptr->cpu_percent =
478	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
479	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
480	>	#endif
481	>
482	>	#ifdef NETBSD2
483	>	{
484	>	size_t size;
485	>	int mib[5];
486	>
487	>	mib[0] = CTL_KERN;
488	>	mib[1] = KERN_LWP;
489	>	mib[2] = kp_stats[i].kp_proc.p_pid;
490	>	mib[3] = sizeof(struct kinfo_lwp);
491	>	mib[4] = 0;
492	>
493	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
494	>	return NULL;
495	>	}
496	>
497	>	lwps = size / sizeof(struct kinfo_lwp);
498	>	mib[4] = lwps;
499	>
500	>	kl_stats = malloc(size);
501	>	if(kl_stats == NULL) {
502	>	return NULL;
503	>	}
504	>
505	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
506	>	return NULL;
507	>	}
508	>	}
509	>
510	>	switch(kp_stats[i].kp_proc.p_stat) {
511	>	case SIDL:
512	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
513	>	break;
514	>	case SACTIVE:
515	>	{
516	>	int i;
517	>
518	>	for(i = 0; i < lwps; i++) {
519	>	switch(kl_stats[i].l_stat) {
520	>	case LSONPROC:
521	>	case LSRUN:
522	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
523	>	goto end;
524	>	case LSSLEEP:
525	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
526	>	goto end;
527	>	case LSSTOP:
528	>	case LSSUSPENDED:
529	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
530	>	goto end;
531	>	}
532	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
533	>	}
534	>	end: ;
535	>	}
536	>	break;
537	>	case SSTOP:
538	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
539	>	break;
540	>	case SZOMB:
541	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
542	>	break;
543	>	default:
544	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
545	>	break;
546	>	}
547	>	#else
548	>	#ifdef FREEBSD5
549	>	switch (kp_stats[i].ki_stat) {
550	>	#else
551	>	switch (kp_stats[i].kp_proc.p_stat) {
552	>	#endif
553	>	case SIDL:
554	>	case SRUN:
555	>	#ifdef SONPROC
556	>	case SONPROC: /* NetBSD */
557	>	#endif
558	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
559	>	break;
560	>	case SSLEEP:
561	>	#ifdef SWAIT
562	>	case SWAIT: /* FreeBSD 5 */
563	>	#endif
564	>	#ifdef SLOCK
565	>	case SLOCK: /* FreeBSD 5 */
566	>	#endif
567	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
568	>	break;
569	>	case SSTOP:
570	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
571	>	break;
572	>	case SZOMB:
573	>	#ifdef SDEAD
574	>	case SDEAD: /* OpenBSD & NetBSD */
575	>	#endif
576	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
577	>	break;
578	>	default:
579	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
580	>	break;
581	>	}
582	>	#endif
583	>	proc_state_size++;
584	>	}
585	>
586	>	free(kp_stats);
587	>	#endif
588	>
589	>	#ifdef CYGWIN
590	>	return NULL;
591	>	#endif
592	>
593	>	*entries = proc_state_size;
594	>	return proc_state;
595		}
596
597	+	sg_process_count *sg_get_process_count() {
598	+	static sg_process_count process_stat;
599	+	sg_process_stats *ps;
600	+	int ps_size, x;
601	+
602	+	process_stat.sleeping = 0;
603	+	process_stat.running = 0;
604	+	process_stat.zombie = 0;
605	+	process_stat.stopped = 0;
606	+	process_stat.total = 0;
607	+
608	+	ps = sg_get_process_stats(&ps_size);
609	+	if (ps == NULL) {
610	+	return NULL;
611	+	}
612	+
613	+	for(x = 0; x < ps_size; x++) {
614	+	switch (ps->state) {
615	+	case SG_PROCESS_STATE_RUNNING:
616	+	process_stat.running++;
617	+	break;
618	+	case SG_PROCESS_STATE_SLEEPING:
619	+	process_stat.sleeping++;
620	+	break;
621	+	case SG_PROCESS_STATE_STOPPED:
622	+	process_stat.stopped++;
623	+	break;
624	+	case SG_PROCESS_STATE_ZOMBIE:
625	+	process_stat.zombie++;
626	+	break;
627	+	default:
628	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
629	+	* sg_process_count */
630	+	break;
631	+	}
632	+	ps++;
633	+	}
634	+
635	+	process_stat.total = ps_size;
636	+
637	+	return &process_stat;
638	+	}

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