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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 1.23 by pajs, Sun Mar 28 18:04:14 2004 UTC vs.
Revision 1.60 by ats, Wed Apr 7 10:27:53 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	<	#if defined(SOLARIS)
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		}
#	Line 74 | Line 145 | int get_proc_snapshot(proc_state_t **ps){
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	<
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	+	#endif
162
163	<	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
164	<
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 98 | Line 177 | int get_proc_snapshot(proc_state_t **ps){
177		proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
178		proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
179		proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
180	<	proc_state_ptr->process_name = strdup(process_info.pr_fname);
181	<	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
180	>	if (sg_update_string(&proc_state_ptr->process_name,
181	>	process_info.pr_fname) < 0) {
182	>	return NULL;
183	>	}
184	>	if (sg_update_string(&proc_state_ptr->proctitle,
185	>	process_info.pr_psargs) < 0) {
186	>	return NULL;
187	>	}
188
189	<	proc_state_size++;
189	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
190	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
191	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
192	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
193	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
194		#endif
195	+	#ifdef LINUX
196	+	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));
197	+	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
198	+	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
199	+	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
200	+	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
201	+	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
202	+	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
203	+	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
204	+
205	+	/* pa_name[0] should = '(' */
206	+	ptr = strchr(&ps_name[1], ')');
207	+	if(ptr !=NULL) *ptr='\0';
208
209	+	if (sg_update_string(&proc_state_ptr->process_name,
210	+	&ps_name[1]) < 0) {
211	+	return NULL;
212	+	}
213
214	+	/* cpu */
215	+	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
216	+	printf("%s  ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);
217	+
218		fclose(f);
219	+
220	+	/* proctitle */
221	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
222	+
223	+	if((fn=open(filename, O_RDONLY)) == -1){
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	+	#define READ_BLOCK_SIZE 128
230	+	len = 0;
231	+	do {
232	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
233	+	return NULL;
234	+	}
235	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
236	+	if (rc > 0) {
237	+	len += rc;
238	+	}
239	+	} while (rc == READ_BLOCK_SIZE);
240	+	close(fn);
241	+
242	+	if (rc == -1) {
243	+	/* Read failed; move on. */
244	+	continue;
245	+	}
246	+
247	+	/* Turn \0s into spaces within the command line. */
248	+	ptr = psargs;
249	+	for(x = 0; x < len; x++) {
250	+	if (*ptr == '\0') *ptr = ' ';
251	+	ptr++;
252	+	}
253	+
254	+	if (len == 0) {
255	+	/* We want psargs to be NULL. */
256	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
257	+	return NULL;
258	+	}
259	+	} else {
260	+	/* Not empty, so append a \0. */
261	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
262	+	return NULL;
263	+	}
264	+	psargs[len] = '\0';
265	+	}
266	+
267	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
268	+	return NULL;
269	+	}
270	+	#endif
271	+
272	+	proc_state_size++;
273		}
274		closedir(proc_dir);
275	<	*ps = proc_state;
275	>	#endif
276
277	<	return proc_state_size;
277	>	#ifdef ALLBSD
278	>	mib[0] = CTL_KERN;
279	>	mib[1] = KERN_PROC;
280	>	mib[2] = KERN_PROC_ALL;
281	>
282	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
283	>	return NULL;
284	>	}
285	>
286	>	procs = size / sizeof(struct kinfo_proc);
287	>
288	>	kp_stats = malloc(size);
289	>	if(kp_stats == NULL) {
290	>	return NULL;
291	>	}
292	>	memset(kp_stats, 0, size);
293	>
294	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
295	>	free(kp_stats);
296	>	return NULL;
297	>	}
298	>
299	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
300	>	kvmd = sg_get_kvm2();
301	>	#endif
302	>
303	>	for (i = 0; i < procs; i++) {
304	>	const char *name;
305	>
306	>	#ifdef FREEBSD5
307	>	if (kp_stats[i].ki_stat == 0) {
308	>	#else
309	>	if (kp_stats[i].kp_proc.p_stat == 0) {
310	>	#endif
311	>	/* FreeBSD 5 deliberately overallocates the array that
312	>	* the sysctl returns, so we'll get a few junk
313	>	* processes on the end that we have to ignore. (Search
314	>	* for "overestimate by 5 procs" in
315	>	* src/sys/kern/kern_proc.c for more details.) */
316	>	continue;
317	>	}
318	>
319	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
320	>	return NULL;
321	>	}
322	>	proc_state_ptr = proc_state+proc_state_size;
323	>
324	>	#ifdef FREEBSD5
325	>	name = kp_stats[i].ki_comm;
326	>	#elif defined(DFBSD)
327	>	name = kp_stats[i].kp_thread.td_comm;
328	>	#else
329	>	name = kp_stats[i].kp_proc.p_comm;
330	>	#endif
331	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
332	>	return NULL;
333	>	}
334	>
335	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
336	>	size = sizeof(buflen);
337	>
338	>	#ifdef FREEBSD5
339	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
340	>	return NULL;
341	>	}
342	>	#else
343	>	/* FIXME - this value can be too large on some of
344	>	the BSD's, which causes sysctl not to return
345	>	anything. Maybe we need something smaller? */
346	>	mib[1] = KERN_ARGMAX;
347	>
348	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
349	>	return NULL;
350	>	}
351	>	#endif
352	>
353	>	proctitle = malloc(buflen);
354	>	if(proctitle == NULL) {
355	>	return NULL;
356	>	}
357	>
358	>	size = buflen;
359	>
360	>	#ifdef FREEBSD5
361	>	mib[2] = KERN_PROC_ARGS;
362	>	mib[3] = kp_stats[i].ki_pid;
363	>	#else
364	>	mib[1] = KERN_PROC_ARGS;
365	>	mib[2] = kp_stats[i].kp_proc.p_pid;
366	>	mib[3] = KERN_PROC_ARGV;
367	>	#endif
368	>
369	>	free(proc_state_ptr->proctitle);
370	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
371	>	free(proctitle);
372	>	proc_state_ptr->proctitle = NULL;
373	>	}
374	>	else if(size > 0) {
375	>	proc_state_ptr->proctitle = malloc(size+1);
376	>	if(proc_state_ptr->proctitle == NULL) {
377	>	return NULL;
378	>	}
379	>	p = proctitle;
380	>	proc_state_ptr->proctitle[0] = '\0';
381	>	do {
382	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
383	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
384	>	p += strlen(p) + 1;
385	>	} while (p < proctitle + size);
386	>	free(proctitle);
387	>	/* remove trailing space */
388	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
389	>	}
390	>	else {
391	>	free(proctitle);
392	>	proc_state_ptr->proctitle = NULL;
393	>	}
394	>	#else
395	>	free(proc_state_ptr->proctitle);
396	>	if(kvmd != NULL) {
397	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
398	>	if(args != NULL) {
399	>	argsp = args;
400	>	while(*argsp != NULL) {
401	>	argslen += strlen(*argsp) + 1;
402	>	argsp++;
403	>	}
404	>	proctitle = malloc(argslen + 1);
405	>	proctitle[0] = '\0';
406	>	if(proctitle == NULL) {
407	>	return NULL;
408	>	}
409	>	while(*args != NULL) {
410	>	sg_strlcat(proctitle, *args, argslen + 1);
411	>	sg_strlcat(proctitle, " ", argslen + 1);
412	>	args++;
413	>	}
414	>	/* remove trailing space */
415	>	proctitle[strlen(proctitle)-1] = '\0';
416	>	proc_state_ptr->proctitle = proctitle;
417	>	}
418	>	else {
419	>	proc_state_ptr->proctitle = NULL;
420	>	}
421	>	}
422	>	else {
423	>	proc_state_ptr->proctitle = NULL;
424	>	}
425	>	#endif
426	>
427	>	#ifdef FREEBSD5
428	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
429	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
430	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
431	>	#else
432	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
433	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
434	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
435	>	#endif
436	>
437	>	#ifdef FREEBSD5
438	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
439	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
440	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
441	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
442	>	#elif defined(DFBSD)
443	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
444	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
445	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
446	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
447	>	#else
448	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
449	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
450	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
451	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
452	>	#endif
453	>
454	>	#ifdef FREEBSD5
455	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
456	>	/* This is in pages */
457	>	proc_state_ptr->proc_resident =
458	>	kp_stats[i].ki_rssize * getpagesize();
459	>	/* This is in microseconds */
460	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
461	>	proc_state_ptr->cpu_percent =
462	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
463	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
464	>	#else
465	>	proc_state_ptr->proc_size =
466	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
467	>	/* This is in pages */
468	>	proc_state_ptr->proc_resident =
469	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
470	>	#if defined(NETBSD) || defined(OPENBSD)
471	>	proc_state_ptr->time_spent =
472	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
473	>	#elif defined(DFBSD)
474	>	proc_state_ptr->time_spent =
475	>	( kp_stats[i].kp_thread.td_uticks +
476	>	kp_stats[i].kp_thread.td_sticks +
477	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
478	>	#else
479	>	/* This is in microseconds */
480	>	proc_state_ptr->time_spent =
481	>	kp_stats[i].kp_proc.p_runtime / 1000000;
482	>	#endif
483	>	proc_state_ptr->cpu_percent =
484	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
485	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
486	>	#endif
487	>
488	>	#ifdef NETBSD2
489	>	{
490	>	size_t size;
491	>	int mib[5];
492	>
493	>	mib[0] = CTL_KERN;
494	>	mib[1] = KERN_LWP;
495	>	mib[2] = kp_stats[i].kp_proc.p_pid;
496	>	mib[3] = sizeof(struct kinfo_lwp);
497	>	mib[4] = 0;
498	>
499	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
500	>	return NULL;
501	>	}
502	>
503	>	lwps = size / sizeof(struct kinfo_lwp);
504	>	mib[4] = lwps;
505	>
506	>	kl_stats = malloc(size);
507	>	if(kl_stats == NULL) {
508	>	return NULL;
509	>	}
510	>
511	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
512	>	return NULL;
513	>	}
514	>	}
515	>
516	>	switch(kp_stats[i].kp_proc.p_stat) {
517	>	case SIDL:
518	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
519	>	break;
520	>	case SACTIVE:
521	>	{
522	>	int i;
523	>
524	>	for(i = 0; i < lwps; i++) {
525	>	switch(kl_stats[i].l_stat) {
526	>	case LSONPROC:
527	>	case LSRUN:
528	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
529	>	goto end;
530	>	case LSSLEEP:
531	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
532	>	goto end;
533	>	case LSSTOP:
534	>	case LSSUSPENDED:
535	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
536	>	goto end;
537	>	}
538	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
539	>	}
540	>	end: ;
541	>	}
542	>	break;
543	>	case SSTOP:
544	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
545	>	break;
546	>	case SZOMB:
547	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
548	>	break;
549	>	default:
550	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
551	>	break;
552	>	}
553	>	#else
554	>	#ifdef FREEBSD5
555	>	switch (kp_stats[i].ki_stat) {
556	>	#else
557	>	switch (kp_stats[i].kp_proc.p_stat) {
558	>	#endif
559	>	case SIDL:
560	>	case SRUN:
561	>	#ifdef SONPROC
562	>	case SONPROC: /* NetBSD */
563	>	#endif
564	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
565	>	break;
566	>	case SSLEEP:
567	>	#ifdef SWAIT
568	>	case SWAIT: /* FreeBSD 5 */
569	>	#endif
570	>	#ifdef SLOCK
571	>	case SLOCK: /* FreeBSD 5 */
572	>	#endif
573	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
574	>	break;
575	>	case SSTOP:
576	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
577	>	break;
578	>	case SZOMB:
579	>	#ifdef SDEAD
580	>	case SDEAD: /* OpenBSD & NetBSD */
581	>	#endif
582	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
583	>	break;
584	>	default:
585	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
586	>	break;
587	>	}
588	>	#endif
589	>	proc_state_size++;
590	>	}
591	>
592	>	free(kp_stats);
593	>	#endif
594	>
595	>	#ifdef CYGWIN
596	>	return NULL;
597	>	#endif
598	>
599	>	*entries = proc_state_size;
600	>	return proc_state;
601		}
602
603	+	sg_process_count *sg_get_process_count() {
604	+	static sg_process_count process_stat;
605	+	sg_process_stats *ps;
606	+	int ps_size, x;
607	+
608	+	process_stat.sleeping = 0;
609	+	process_stat.running = 0;
610	+	process_stat.zombie = 0;
611	+	process_stat.stopped = 0;
612	+	process_stat.total = 0;
613	+
614	+	ps = sg_get_process_stats(&ps_size);
615	+	if (ps == NULL) {
616	+	return NULL;
617	+	}
618	+
619	+	for(x = 0; x < ps_size; x++) {
620	+	switch (ps->state) {
621	+	case SG_PROCESS_STATE_RUNNING:
622	+	process_stat.running++;
623	+	break;
624	+	case SG_PROCESS_STATE_SLEEPING:
625	+	process_stat.sleeping++;
626	+	break;
627	+	case SG_PROCESS_STATE_STOPPED:
628	+	process_stat.stopped++;
629	+	break;
630	+	case SG_PROCESS_STATE_ZOMBIE:
631	+	process_stat.zombie++;
632	+	break;
633	+	default:
634	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
635	+	* sg_process_count */
636	+	break;
637	+	}
638	+	ps++;
639	+	}
640	+
641	+	process_stat.total = ps_size;
642	+
643	+	return &process_stat;
644	+	}

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