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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 1.1 by pajs, Tue Feb 18 19:28:30 2003 UTC vs.
Revision 1.58 by pajs, Tue Apr 6 16:29:44 2004 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
1	>	/*
2	>	* i-scream libstatgrab
3	>	* http://www.i-scream.org
4	>	* Copyright (C) 2000-2004 i-scream
5		*
6	<	* This program is free software; you can redistribute it and/or
7	<	* modify it under the terms of the GNU General Public License
8	<	* as published by the Free Software Foundation; either version 2
9	<	* of the License, or (at your option) any later version.
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 program is distributed in the hope that it will be useful,
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
14	<	* GNU General Public License for more details.
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 General Public License
17	<	* along with this program; if not, write to the Free Software
18	<	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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	>	* $Id$
22		*/
23
24		#ifdef HAVE_CONFIG_H
25		#include "config.h"
26		#endif
27
25	–	#include <stdio.h>
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 <unistd.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>
33	–	#include <sys/types.h>
34	–	#include <dirent.h>
35	–	#include <string.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	+	#include <tools.h>
69	+	#endif
70	+	#include <unistd.h>
71	+	#ifdef NETBSD2
72	+	#include <sys/lwp.h>
73	+	#endif
74	+	#endif
75
76	<	process_stat_t *get_process_stats(){
76	>	static void proc_state_init(sg_process_stats *s) {
77	>	s->process_name = NULL;
78	>	s->proctitle = NULL;
79	>	}
80
81	<	static process_stat_t process_stat;
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;
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	<	DIR *proc_dir;
118	<	struct dirent *dir_entry;
119	<	char filename[MAX_FILE_LENGTH];
120	<	FILE *f;
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	<	process_stat.sleeping=0;
133	<	process_stat.running=0;
134	<	process_stat.zombie=0;
135	<	process_stat.stopped=0;
136	<	process_stat.running=0;
132	>	#ifdef LINUX
133	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
134	>	return NULL;
135	>	}
136	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
137	>	return NULL;
138	>	}
139	>	fclose(f);
140	>	#endif
141
142	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
142	>	if((proc_dir=opendir(PROC_LOCATION))==NULL){
143	>	return NULL;
144	>	}
145	>
146	>	while((dir_entry=readdir(proc_dir))!=NULL){
147	>	if(atoi(dir_entry->d_name) == 0) continue;
148	>
149	>	#ifdef SOLARIS
150	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
151	>	#endif
152	>	#ifdef LINUX
153	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
154	>	#endif
155	>	if((f=fopen(filename, "r"))==NULL){
156	>	/* Open failed.. Process since vanished, or the path was too long.
157	>	* Ah well, move onwards to the next one */
158	>	continue;
159	>	}
160	>	#ifdef SOLARIS
161	>	fread(&process_info, sizeof(psinfo_t), 1, 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->process_name = strdup(process_info.pr_fname);
182	>	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
183	>
184	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
185	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
186	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
187	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
188	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
189	>	#endif
190	>	#ifdef LINUX
191	>	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));
192	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
193	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
194	>	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
195	>	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
196	>	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
197	>	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
198	>	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
199	>
200	>	/* pa_name[0] should = '(' */
201	>	ptr = strchr(&ps_name[1], ')');
202	>	if(ptr !=NULL) *ptr='\0';
203	>
204	>	if (sg_update_string(&proc_state_ptr->process_name,
205	>	&ps_name[1]) < 0) {
206	>	return NULL;
207	>	}
208	>
209	>	/* cpu */
210	>	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
211	>	printf("%s  ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);
212	>
213	>	fclose(f);
214	>
215	>	/* proctitle */
216	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
217	>
218	>	if((fn=open(filename, O_RDONLY)) == -1){
219	>	/* Open failed.. Process since vanished, or the path was too long.
220	>	* Ah well, move onwards to the next one */
221	>	continue;
222	>	}
223	>
224	>	#define READ_BLOCK_SIZE 128
225	>	len = 0;
226	>	do {
227	>	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
228	>	return NULL;
229	>	}
230	>	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
231	>	if (rc > 0) {
232	>	len += rc;
233	>	}
234	>	} while (rc == READ_BLOCK_SIZE);
235	>	close(fn);
236	>
237	>	if (rc == -1) {
238	>	/* Read failed; move on. */
239	>	continue;
240	>	}
241	>
242	>	/* Turn \0s into spaces within the command line. */
243	>	ptr = psargs;
244	>	for(x = 0; x < len; x++) {
245	>	if (*ptr == '\0') *ptr = ' ';
246	>	ptr++;
247	>	}
248	>
249	>	if (len == 0) {
250	>	/* We want psargs to be NULL. */
251	>	if (VECTOR_RESIZE(psargs, 0) < 0) {
252	>	return NULL;
253	>	}
254	>	} else {
255	>	/* Not empty, so append a \0. */
256	>	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
257	>	return NULL;
258	>	}
259	>	psargs[len] = '\0';
260	>	}
261	>
262	>	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
263	>	return NULL;
264	>	}
265	>	#endif
266	>
267	>	proc_state_size++;
268	>	}
269	>	closedir(proc_dir);
270	>	#endif
271	>
272	>	#ifdef ALLBSD
273	>	mib[0] = CTL_KERN;
274	>	mib[1] = KERN_PROC;
275	>	mib[2] = KERN_PROC_ALL;
276	>
277	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
278		return NULL;
279		}
280
281	<	while((dir_entry=readdir(proc_dir))!=NULL){
61	<	if(atoi(dir_entry->d_name) == 0) continue;
62	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
281	>	procs = size / sizeof(struct kinfo_proc);
282
283	<	printf("Filename : %s\n", filename);
284	<	if((f=fopen(filename, "r"))==NULL){
285	<	/* Open failed.. Process since vanished, or the path was too long.
286	<	* Ah well, move onwards to the next one */
283	>	kp_stats = malloc(size);
284	>	if(kp_stats == NULL) {
285	>	return NULL;
286	>	}
287	>	memset(kp_stats, 0, size);
288	>
289	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
290	>	free(kp_stats);
291	>	return NULL;
292	>	}
293	>
294	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
295	>	kvmd = sg_get_kvm2();
296	>	#endif
297	>
298	>	for (i = 0; i < procs; i++) {
299	>	const char *name;
300	>
301	>	#ifdef FREEBSD5
302	>	if (kp_stats[i].ki_stat == 0) {
303	>	#else
304	>	if (kp_stats[i].kp_proc.p_stat == 0) {
305	>	#endif
306	>	/* FreeBSD 5 deliberately overallocates the array that
307	>	* the sysctl returns, so we'll get a few junk
308	>	* processes on the end that we have to ignore. (Search
309	>	* for "overestimate by 5 procs" in
310	>	* src/sys/kern/kern_proc.c for more details.) */
311		continue;
312		}
313
314	<	fread(&process_info, sizeof(psinfo_t), 1, f);
315	<	fclose(f);
314	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
315	>	return NULL;
316	>	}
317	>	proc_state_ptr = proc_state+proc_state_size;
318
319	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
320	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
321	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
322	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
323	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
319	>	#ifdef FREEBSD5
320	>	name = kp_stats[i].ki_comm;
321	>	#elif defined(DFBSD)
322	>	name = kp_stats[i].kp_thread.td_comm;
323	>	#else
324	>	name = kp_stats[i].kp_proc.p_comm;
325	>	#endif
326	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
327	>	return NULL;
328	>	}
329	>
330	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
331	>	size = sizeof(buflen);
332	>
333	>	#ifdef FREEBSD5
334	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
335	>	return NULL;
336	>	}
337	>	#else
338	>	/* FIXME - this value can be too large on some of
339	>	the BSD's, which causes sysctl not to return
340	>	anything. Maybe we need something smaller? */
341	>	mib[1] = KERN_ARGMAX;
342	>
343	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
344	>	return NULL;
345	>	}
346	>	#endif
347	>
348	>	proctitle = malloc(buflen);
349	>	if(proctitle == NULL) {
350	>	return NULL;
351	>	}
352	>
353	>	size = buflen;
354	>
355	>	#ifdef FREEBSD5
356	>	mib[2] = KERN_PROC_ARGS;
357	>	mib[3] = kp_stats[i].ki_pid;
358	>	#else
359	>	mib[1] = KERN_PROC_ARGS;
360	>	mib[2] = kp_stats[i].kp_proc.p_pid;
361	>	mib[3] = KERN_PROC_ARGV;
362	>	#endif
363	>
364	>	free(proc_state_ptr->proctitle);
365	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
366	>	free(proctitle);
367	>	proc_state_ptr->proctitle = NULL;
368	>	}
369	>	else if(size > 0) {
370	>	proc_state_ptr->proctitle = malloc(size+1);
371	>	if(proc_state_ptr->proctitle == NULL) {
372	>	return NULL;
373	>	}
374	>	p = proctitle;
375	>	proc_state_ptr->proctitle[0] = '\0';
376	>	do {
377	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
378	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
379	>	p += strlen(p) + 1;
380	>	} while (p < proctitle + size);
381	>	free(proctitle);
382	>	/* remove trailing space */
383	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
384	>	}
385	>	else {
386	>	free(proctitle);
387	>	proc_state_ptr->proctitle = NULL;
388	>	}
389	>	#else
390	>	free(proc_state_ptr->proctitle);
391	>	if(kvmd != NULL) {
392	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
393	>	if(args != NULL) {
394	>	argsp = args;
395	>	while(*argsp != NULL) {
396	>	argslen += strlen(*argsp) + 1;
397	>	argsp++;
398	>	}
399	>	proctitle = malloc(argslen + 1);
400	>	proctitle[0] = '\0';
401	>	if(proctitle == NULL) {
402	>	return NULL;
403	>	}
404	>	while(*args != NULL) {
405	>	sg_strlcat(proctitle, *args, argslen + 1);
406	>	sg_strlcat(proctitle, " ", argslen + 1);
407	>	args++;
408	>	}
409	>	/* remove trailing space */
410	>	proctitle[strlen(proctitle)-1] = '\0';
411	>	proc_state_ptr->proctitle = proctitle;
412	>	}
413	>	else {
414	>	proc_state_ptr->proctitle = NULL;
415	>	}
416	>	}
417	>	else {
418	>	proc_state_ptr->proctitle = NULL;
419	>	}
420	>	#endif
421	>
422	>	#ifdef FREEBSD5
423	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
424	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
425	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
426	>	#else
427	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
428	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
429	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
430	>	#endif
431	>
432	>	#ifdef FREEBSD5
433	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
434	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
435	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
436	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
437	>	#elif defined(DFBSD)
438	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
439	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
440	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
441	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
442	>	#else
443	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
444	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
445	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
446	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
447	>	#endif
448	>
449	>	#ifdef FREEBSD5
450	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
451	>	/* This is in pages */
452	>	proc_state_ptr->proc_resident =
453	>	kp_stats[i].ki_rssize * getpagesize();
454	>	/* This is in microseconds */
455	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
456	>	proc_state_ptr->cpu_percent =
457	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
458	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
459	>	#else
460	>	proc_state_ptr->proc_size =
461	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
462	>	/* This is in pages */
463	>	proc_state_ptr->proc_resident =
464	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
465	>	#if defined(NETBSD) || defined(OPENBSD)
466	>	proc_state_ptr->time_spent =
467	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
468	>	#elif defined(DFBSD)
469	>	proc_state_ptr->time_spent =
470	>	( kp_stats[i].kp_thread.td_uticks +
471	>	kp_stats[i].kp_thread.td_sticks +
472	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
473	>	#else
474	>	/* This is in microseconds */
475	>	proc_state_ptr->time_spent =
476	>	kp_stats[i].kp_proc.p_runtime / 1000000;
477	>	#endif
478	>	proc_state_ptr->cpu_percent =
479	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
480	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
481	>	#endif
482	>
483	>	#ifdef NETBSD2
484	>	{
485	>	size_t size;
486	>	int mib[5];
487	>
488	>	mib[0] = CTL_KERN;
489	>	mib[1] = KERN_LWP;
490	>	mib[2] = kp_stats[i].kp_proc.p_pid;
491	>	mib[3] = sizeof(struct kinfo_lwp);
492	>	mib[4] = 0;
493	>
494	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
495	>	return NULL;
496	>	}
497	>
498	>	lwps = size / sizeof(struct kinfo_lwp);
499	>	mib[4] = lwps;
500	>
501	>	kl_stats = malloc(size);
502	>	if(kl_stats == NULL) {
503	>	return NULL;
504	>	}
505	>
506	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
507	>	return NULL;
508	>	}
509	>	}
510	>
511	>	switch(kp_stats[i].kp_proc.p_stat) {
512	>	case SIDL:
513	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
514	>	break;
515	>	case SACTIVE:
516	>	{
517	>	int i;
518	>
519	>	for(i = 0; i < lwps; i++) {
520	>	switch(kl_stats[i].l_stat) {
521	>	case LSONPROC:
522	>	case LSRUN:
523	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
524	>	goto end;
525	>	case LSSLEEP:
526	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
527	>	goto end;
528	>	case LSSTOP:
529	>	case LSSUSPENDED:
530	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
531	>	goto end;
532	>	}
533	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
534	>	}
535	>	end: ;
536	>	}
537	>	break;
538	>	case SSTOP:
539	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
540	>	break;
541	>	case SZOMB:
542	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
543	>	break;
544	>	default:
545	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
546	>	break;
547	>	}
548	>	#else
549	>	#ifdef FREEBSD5
550	>	switch (kp_stats[i].ki_stat) {
551	>	#else
552	>	switch (kp_stats[i].kp_proc.p_stat) {
553	>	#endif
554	>	case SIDL:
555	>	case SRUN:
556	>	#ifdef SONPROC
557	>	case SONPROC: /* NetBSD */
558	>	#endif
559	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
560	>	break;
561	>	case SSLEEP:
562	>	#ifdef SWAIT
563	>	case SWAIT: /* FreeBSD 5 */
564	>	#endif
565	>	#ifdef SLOCK
566	>	case SLOCK: /* FreeBSD 5 */
567	>	#endif
568	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
569	>	break;
570	>	case SSTOP:
571	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
572	>	break;
573	>	case SZOMB:
574	>	#ifdef SDEAD
575	>	case SDEAD: /* OpenBSD & NetBSD */
576	>	#endif
577	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
578	>	break;
579	>	default:
580	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
581	>	break;
582	>	}
583	>	#endif
584	>	proc_state_size++;
585		}
586	<
587	<	closedir(proc_dir);
586	>
587	>	free(kp_stats);
588	>	#endif
589	>
590	>	#ifdef CYGWIN
591	>	return NULL;
592	>	#endif
593	>
594	>	*entries = proc_state_size;
595	>	return proc_state;
596	>	}
597	>
598	>	sg_process_count *sg_get_process_count() {
599	>	static sg_process_count process_stat;
600	>	sg_process_stats *ps;
601	>	int ps_size, x;
602	>
603	>	process_stat.sleeping = 0;
604	>	process_stat.running = 0;
605	>	process_stat.zombie = 0;
606	>	process_stat.stopped = 0;
607	>	process_stat.total = 0;
608	>
609	>	ps = sg_get_process_stats(&ps_size);
610	>	if (ps == NULL) {
611	>	return NULL;
612	>	}
613	>
614	>	for(x = 0; x < ps_size; x++) {
615	>	switch (ps->state) {
616	>	case SG_PROCESS_STATE_RUNNING:
617	>	process_stat.running++;
618	>	break;
619	>	case SG_PROCESS_STATE_SLEEPING:
620	>	process_stat.sleeping++;
621	>	break;
622	>	case SG_PROCESS_STATE_STOPPED:
623	>	process_stat.stopped++;
624	>	break;
625	>	case SG_PROCESS_STATE_ZOMBIE:
626	>	process_stat.zombie++;
627	>	break;
628	>	default:
629	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
630	>	* sg_process_count */
631	>	break;
632	>	}
633	>	ps++;
634	>	}
635	>
636	>	process_stat.total = ps_size;
637
638		return &process_stat;
639		}

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