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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 1.2 by tdb, Fri Feb 28 22:59:35 2003 UTC vs.
Revision 1.76 by tdb, Mon Nov 1 18:30:17 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
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>
35	<	#include "statgrab.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 <dirent.h>
34	–	#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 <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	+	#endif
80
81	<	process_stat_t *get_process_stats(){
81	>	static void proc_state_init(sg_process_stats *s) {
82	>	s->process_name = NULL;
83	>	s->proctitle = NULL;
84	>	}
85
86	<	static process_stat_t process_stat;
86	>	static void proc_state_destroy(sg_process_stats *s) {
87	>	free(s->process_name);
88	>	free(s->proctitle);
89	>	}
90
91	<	psinfo_t process_info;
92	<	DIR *proc_dir;
91	>	sg_process_stats *sg_get_process_stats(int *entries){
92	>	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
93	>	proc_state_init, proc_state_destroy);
94	>	int proc_state_size = 0;
95	>	sg_process_stats *proc_state_ptr;
96	>	#ifdef HPUX
97	>	struct pst_status pstat_procinfo;
98	>	long procidx = 0;
99	>	long long pagesize = 0;
100	>	#endif
101	>	#ifdef ALLBSD
102	>	int mib[4];
103	>	size_t size;
104	>	struct kinfo_proc *kp_stats;
105	>	int procs, i;
106	>	char *proctitle;
107	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
108	>	kvm_t *kvmd;
109	>	char **args, **argsp;
110	>	int argslen = 0;
111	>	#else
112	>	long buflen;
113	>	char *p, *proctitletmp;
114	>	#endif
115	>	#ifdef NETBSD2
116	>	int lwps;
117	>	struct kinfo_lwp *kl_stats;
118	>	#endif
119	>	#endif
120	>	#if defined(SOLARIS) || defined(LINUX)
121	>	DIR *proc_dir;
122		struct dirent *dir_entry;
123		char filename[MAX_FILE_LENGTH];
124		FILE *f;
125	+	#ifdef SOLARIS
126	+	psinfo_t process_info;
127	+	#endif
128	+	#ifdef LINUX
129	+	char s;
130	+	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
131	+	char ps_name[4096];
132	+	char *ptr;
133	+	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
134	+	unsigned long stime, utime, starttime;
135	+	int x;
136	+	int fn;
137	+	int len;
138	+	int rc;
139	+	time_t uptime;
140	+	#endif
141
142	<	process_stat.sleeping=0;
143	<	process_stat.running=0;
144	<	process_stat.zombie=0;
145	<	process_stat.stopped=0;
146	<	process_stat.running=0;
142	>	#ifdef LINUX
143	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
144	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime");
145	>	return NULL;
146	>	}
147	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
148	>	sg_set_error(SG_ERROR_PARSE, NULL);
149	>	return NULL;
150	>	}
151	>	fclose(f);
152	>	#endif
153
154		if((proc_dir=opendir(PROC_LOCATION))==NULL){
155	+	sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
156		return NULL;
157		}
158
159		while((dir_entry=readdir(proc_dir))!=NULL){
160		if(atoi(dir_entry->d_name) == 0) continue;
61	–	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
161
162	<	printf("Filename : %s\n", filename);
162	>	#ifdef SOLARIS
163	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
164	>	#endif
165	>	#ifdef LINUX
166	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
167	>	#endif
168		if((f=fopen(filename, "r"))==NULL){
169	<	/* Open failed.. Process since vanished, or the path was too long.
169	>	/* Open failed.. Process since vanished, or the path was too long.
170		* Ah well, move onwards to the next one */
171		continue;
172		}
173	<
173	>	#ifdef SOLARIS
174		fread(&process_info, sizeof(psinfo_t), 1, f);
175		fclose(f);
176	+	#endif
177
178	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
179	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
180	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
181	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
182	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
183	<	}
178	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
179	>	return NULL;
180	>	}
181	>	proc_state_ptr = proc_state+proc_state_size;
182	>
183	>	#ifdef SOLARIS
184	>	proc_state_ptr->pid = process_info.pr_pid;
185	>	proc_state_ptr->parent = process_info.pr_ppid;
186	>	proc_state_ptr->pgid = process_info.pr_pgid;
187	>	proc_state_ptr->uid = process_info.pr_uid;
188	>	proc_state_ptr->euid = process_info.pr_euid;
189	>	proc_state_ptr->gid = process_info.pr_gid;
190	>	proc_state_ptr->egid = process_info.pr_egid;
191	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
192	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
193	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
194	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
195	>	proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
196	>	if (sg_update_string(&proc_state_ptr->process_name,
197	>	process_info.pr_fname) < 0) {
198	>	return NULL;
199	>	}
200	>	if (sg_update_string(&proc_state_ptr->proctitle,
201	>	process_info.pr_psargs) < 0) {
202	>	return NULL;
203	>	}
204	>
205	>	switch (process_info.pr_lwp.pr_state) {
206	>	case 1:
207	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
208	>	break;
209	>	case 2:
210	>	case 5:
211	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
212	>	break;
213	>	case 3:
214	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
215	>	break;
216	>	case 4:
217	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
218	>	break;
219	>	}
220	>	#endif
221	>	#ifdef LINUX
222	>	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));
223	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
224	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
225	>	switch (s) {
226	>	case 'S':
227	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
228	>	break;
229	>	case 'R':
230	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
231	>	break;
232	>	case 'Z':
233	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
234	>	break;
235	>	case 'T':
236	>	case 'D':
237	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
238	>	break;
239	>	}
240
241	+	/* pa_name[0] should = '(' */
242	+	ptr = strchr(&ps_name[1], ')');
243	+	if(ptr !=NULL) *ptr='\0';
244	+
245	+	if (sg_update_string(&proc_state_ptr->process_name,
246	+	&ps_name[1]) < 0) {
247	+	return NULL;
248	+	}
249	+
250	+	/* cpu */
251	+	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
252	+
253	+	fclose(f);
254	+
255	+	/* uid / gid */
256	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
257	+	if ((f=fopen(filename, "r")) == NULL) {
258	+	/* Open failed.. Process since vanished, or the path was too long.
259	+	* Ah well, move onwards to the next one */
260	+	continue;
261	+	}
262	+
263	+	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
264	+	fclose(f);
265	+	continue;
266	+	}
267	+	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
268	+
269	+	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
270	+	fclose(f);
271	+	continue;
272	+	}
273	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
274	+
275	+	fclose(f);
276	+
277	+	/* proctitle */
278	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
279	+
280	+	if((fn=open(filename, O_RDONLY)) == -1){
281	+	/* Open failed.. Process since vanished, or the path was too long.
282	+	* Ah well, move onwards to the next one */
283	+	continue;
284	+	}
285	+
286	+	#define READ_BLOCK_SIZE 128
287	+	len = 0;
288	+	do {
289	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
290	+	return NULL;
291	+	}
292	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
293	+	if (rc > 0) {
294	+	len += rc;
295	+	}
296	+	} while (rc == READ_BLOCK_SIZE);
297	+	close(fn);
298	+
299	+	if (rc == -1) {
300	+	/* Read failed; move on. */
301	+	continue;
302	+	}
303	+
304	+	/* Turn \0s into spaces within the command line. */
305	+	ptr = psargs;
306	+	for(x = 0; x < len; x++) {
307	+	if (*ptr == '\0') *ptr = ' ';
308	+	ptr++;
309	+	}
310	+
311	+	if (len == 0) {
312	+	/* We want psargs to be NULL. */
313	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
314	+	return NULL;
315	+	}
316	+	} else {
317	+	/* Not empty, so append a \0. */
318	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
319	+	return NULL;
320	+	}
321	+	psargs[len] = '\0';
322	+	}
323	+
324	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
325	+	return NULL;
326	+	}
327	+	#endif
328	+
329	+	proc_state_size++;
330	+	}
331		closedir(proc_dir);
332	+	#endif
333
334	+	#ifdef ALLBSD
335	+	mib[0] = CTL_KERN;
336	+	mib[1] = KERN_PROC;
337	+	mib[2] = KERN_PROC_ALL;
338	+
339	+	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
340	+	sg_set_error_with_errno(SG_ERROR_SYSCTL,
341	+	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
342	+	return NULL;
343	+	}
344	+
345	+	procs = size / sizeof(struct kinfo_proc);
346	+
347	+	kp_stats = sg_malloc(size);
348	+	if(kp_stats == NULL) {
349	+	return NULL;
350	+	}
351	+	memset(kp_stats, 0, size);
352	+
353	+	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
354	+	sg_set_error_with_errno(SG_ERROR_SYSCTL,
355	+	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
356	+	free(kp_stats);
357	+	return NULL;
358	+	}
359	+
360	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
361	+	kvmd = sg_get_kvm2();
362	+	#endif
363	+
364	+	for (i = 0; i < procs; i++) {
365	+	const char *name;
366	+
367	+	#ifdef FREEBSD5
368	+	if (kp_stats[i].ki_stat == 0) {
369	+	#else
370	+	if (kp_stats[i].kp_proc.p_stat == 0) {
371	+	#endif
372	+	/* FreeBSD 5 deliberately overallocates the array that
373	+	* the sysctl returns, so we'll get a few junk
374	+	* processes on the end that we have to ignore. (Search
375	+	* for "overestimate by 5 procs" in
376	+	* src/sys/kern/kern_proc.c for more details.) */
377	+	continue;
378	+	}
379	+
380	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
381	+	return NULL;
382	+	}
383	+	proc_state_ptr = proc_state+proc_state_size;
384	+
385	+	#ifdef FREEBSD5
386	+	name = kp_stats[i].ki_comm;
387	+	#elif defined(DFBSD)
388	+	name = kp_stats[i].kp_thread.td_comm;
389	+	#else
390	+	name = kp_stats[i].kp_proc.p_comm;
391	+	#endif
392	+	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
393	+	return NULL;
394	+	}
395	+
396	+	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
397	+
398	+	#ifdef FREEBSD5
399	+	mib[2] = KERN_PROC_ARGS;
400	+	mib[3] = kp_stats[i].ki_pid;
401	+	#else
402	+	mib[1] = KERN_PROC_ARGS;
403	+	mib[2] = kp_stats[i].kp_proc.p_pid;
404	+	mib[3] = KERN_PROC_ARGV;
405	+	#endif
406	+
407	+	free(proc_state_ptr->proctitle);
408	+	proc_state_ptr->proctitle = NULL;
409	+
410	+	/* Starting size - we'll double this straight away */
411	+	#define PROCTITLE_START_SIZE 64
412	+	buflen = PROCTITLE_START_SIZE;
413	+	size = buflen;
414	+	proctitle = NULL;
415	+
416	+	do {
417	+	if(size >= buflen) {
418	+	buflen *= 2;
419	+	size = buflen;
420	+	proctitletmp = sg_realloc(proctitle, buflen);
421	+	if(proctitletmp == NULL) {
422	+	free(proctitle);
423	+	proctitle = NULL;
424	+	proc_state_ptr->proctitle = NULL;
425	+	size = 0;
426	+	break;
427	+	}
428	+	proctitle = proctitletmp;
429	+	bzero(proctitle, buflen);
430	+	}
431	+
432	+	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
433	+	free(proctitle);
434	+	proctitle = NULL;
435	+	proc_state_ptr->proctitle = NULL;
436	+	size = 0;
437	+	break;
438	+	}
439	+	} while(size >= buflen);
440	+
441	+	if(size > 0) {
442	+	proc_state_ptr->proctitle = sg_malloc(size+1);
443	+	if(proc_state_ptr->proctitle == NULL) {
444	+	return NULL;
445	+	}
446	+	p = proctitle;
447	+	#ifdef OPENBSD
448	+	/* On OpenBSD, this value has the argv pointers (which
449	+	* are terminated by a NULL) at the front, so we have
450	+	* to skip over them to get to the strings. */
451	+	while (*(char ***)p != NULL) {
452	+	p += sizeof(char **);
453	+	}
454	+	p += sizeof(char **);
455	+	#endif
456	+	proc_state_ptr->proctitle[0] = '\0';
457	+	do {
458	+	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
459	+	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
460	+	p += strlen(p) + 1;
461	+	} while (p < proctitle + size);
462	+	free(proctitle);
463	+	proctitle = NULL;
464	+	/* remove trailing space */
465	+	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
466	+	}
467	+	else {
468	+	if(proctitle != NULL) {
469	+	free(proctitle);
470	+	proctitle = NULL;
471	+	}
472	+	proc_state_ptr->proctitle = NULL;
473	+	}
474	+	#else
475	+	free(proc_state_ptr->proctitle);
476	+	proc_state_ptr->proctitle = NULL;
477	+	if(kvmd != NULL) {
478	+	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
479	+	if(args != NULL) {
480	+	argsp = args;
481	+	while(*argsp != NULL) {
482	+	argslen += strlen(*argsp) + 1;
483	+	argsp++;
484	+	}
485	+	proctitle = sg_malloc(argslen + 1);
486	+	proctitle[0] = '\0';
487	+	if(proctitle == NULL) {
488	+	return NULL;
489	+	}
490	+	while(*args != NULL) {
491	+	sg_strlcat(proctitle, *args, argslen + 1);
492	+	sg_strlcat(proctitle, " ", argslen + 1);
493	+	args++;
494	+	}
495	+	/* remove trailing space */
496	+	proctitle[strlen(proctitle)-1] = '\0';
497	+	proc_state_ptr->proctitle = proctitle;
498	+	}
499	+	else {
500	+	proc_state_ptr->proctitle = NULL;
501	+	}
502	+	}
503	+	else {
504	+	proc_state_ptr->proctitle = NULL;
505	+	}
506	+	#endif
507	+
508	+	#ifdef FREEBSD5
509	+	proc_state_ptr->pid = kp_stats[i].ki_pid;
510	+	proc_state_ptr->parent = kp_stats[i].ki_ppid;
511	+	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
512	+	#else
513	+	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
514	+	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
515	+	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
516	+	#endif
517	+
518	+	#ifdef FREEBSD5
519	+	proc_state_ptr->uid = kp_stats[i].ki_ruid;
520	+	proc_state_ptr->euid = kp_stats[i].ki_uid;
521	+	proc_state_ptr->gid = kp_stats[i].ki_rgid;
522	+	proc_state_ptr->egid = kp_stats[i].ki_svgid;
523	+	#elif defined(DFBSD)
524	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
525	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
526	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
527	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
528	+	#else
529	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
530	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
531	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
532	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
533	+	#endif
534	+
535	+	#ifdef FREEBSD5
536	+	proc_state_ptr->proc_size = kp_stats[i].ki_size;
537	+	/* This is in pages */
538	+	proc_state_ptr->proc_resident =
539	+	kp_stats[i].ki_rssize * getpagesize();
540	+	/* This is in microseconds */
541	+	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
542	+	proc_state_ptr->cpu_percent =
543	+	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
544	+	proc_state_ptr->nice = kp_stats[i].ki_nice;
545	+	#else
546	+	proc_state_ptr->proc_size =
547	+	kp_stats[i].kp_eproc.e_vm.vm_map.size;
548	+	/* This is in pages */
549	+	proc_state_ptr->proc_resident =
550	+	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
551	+	#if defined(NETBSD) || defined(OPENBSD)
552	+	proc_state_ptr->time_spent =
553	+	kp_stats[i].kp_proc.p_rtime.tv_sec;
554	+	#elif defined(DFBSD)
555	+	proc_state_ptr->time_spent =
556	+	( kp_stats[i].kp_thread.td_uticks +
557	+	kp_stats[i].kp_thread.td_sticks +
558	+	kp_stats[i].kp_thread.td_iticks ) / 1000000;
559	+	#else
560	+	/* This is in microseconds */
561	+	proc_state_ptr->time_spent =
562	+	kp_stats[i].kp_proc.p_runtime / 1000000;
563	+	#endif
564	+	proc_state_ptr->cpu_percent =
565	+	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
566	+	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
567	+	#endif
568	+
569	+	#ifdef NETBSD2
570	+	{
571	+	size_t size;
572	+	int mib[5];
573	+
574	+	mib[0] = CTL_KERN;
575	+	mib[1] = KERN_LWP;
576	+	mib[2] = kp_stats[i].kp_proc.p_pid;
577	+	mib[3] = sizeof(struct kinfo_lwp);
578	+	mib[4] = 0;
579	+
580	+	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
581	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
582	+	return NULL;
583	+	}
584	+
585	+	lwps = size / sizeof(struct kinfo_lwp);
586	+	mib[4] = lwps;
587	+
588	+	kl_stats = sg_malloc(size);
589	+	if(kl_stats == NULL) {
590	+	return NULL;
591	+	}
592	+
593	+	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
594	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
595	+	return NULL;
596	+	}
597	+	}
598	+
599	+	switch(kp_stats[i].kp_proc.p_stat) {
600	+	case SIDL:
601	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
602	+	break;
603	+	case SACTIVE:
604	+	{
605	+	int i;
606	+
607	+	for(i = 0; i < lwps; i++) {
608	+	switch(kl_stats[i].l_stat) {
609	+	case LSONPROC:
610	+	case LSRUN:
611	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
612	+	goto end;
613	+	case LSSLEEP:
614	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
615	+	goto end;
616	+	case LSSTOP:
617	+	case LSSUSPENDED:
618	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
619	+	goto end;
620	+	}
621	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
622	+	}
623	+	end: ;
624	+	}
625	+	break;
626	+	case SSTOP:
627	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
628	+	break;
629	+	case SZOMB:
630	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
631	+	break;
632	+	default:
633	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
634	+	break;
635	+	}
636	+
637	+	free(kl_stats);
638	+	#else
639	+	#ifdef FREEBSD5
640	+	switch (kp_stats[i].ki_stat) {
641	+	#else
642	+	switch (kp_stats[i].kp_proc.p_stat) {
643	+	#endif
644	+	case SIDL:
645	+	case SRUN:
646	+	#ifdef SONPROC
647	+	case SONPROC: /* NetBSD */
648	+	#endif
649	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
650	+	break;
651	+	case SSLEEP:
652	+	#ifdef SWAIT
653	+	case SWAIT: /* FreeBSD 5 */
654	+	#endif
655	+	#ifdef SLOCK
656	+	case SLOCK: /* FreeBSD 5 */
657	+	#endif
658	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
659	+	break;
660	+	case SSTOP:
661	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
662	+	break;
663	+	case SZOMB:
664	+	#ifdef SDEAD
665	+	case SDEAD: /* OpenBSD & NetBSD */
666	+	#endif
667	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
668	+	break;
669	+	default:
670	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
671	+	break;
672	+	}
673	+	#endif
674	+	proc_state_size++;
675	+	}
676	+
677	+	free(kp_stats);
678	+	#endif
679	+
680	+	#ifdef HPUX
681	+	if((pagesize=sysconf(_SC_PAGESIZE)) == -1){
682	+	sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
683	+	return NULL;
684	+	}
685	+
686	+	for (procidx = 0; procidx < 65536; procidx++) {
687	+	if (pstat_getproc(&pstat_procinfo, sizeof(pstat_procinfo), 1, procidx) == -1) {
688	+	break;
689	+	}
690	+	if (pstat_procinfo.pst_idx != procidx) {
691	+	continue;
692	+	}
693	+
694	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
695	+	return NULL;
696	+	}
697	+	proc_state_ptr = proc_state+proc_state_size;
698	+
699	+	proc_state_ptr->pid = pstat_procinfo.pst_pid;
700	+	proc_state_ptr->parent = pstat_procinfo.pst_ppid;
701	+	proc_state_ptr->pgid = pstat_procinfo.pst_pgrp;
702	+	proc_state_ptr->uid = pstat_procinfo.pst_uid;
703	+	proc_state_ptr->euid = pstat_procinfo.pst_euid;
704	+	proc_state_ptr->gid = pstat_procinfo.pst_gid;
705	+	proc_state_ptr->egid = pstat_procinfo.pst_egid;
706	+	proc_state_ptr->proc_size = (pstat_procinfo.pst_dsize + pstat_procinfo.pst_tsize + pstat_procinfo.pst_ssize) * pagesize;
707	+	proc_state_ptr->proc_resident = pstat_procinfo.pst_rssize * pagesize;
708	+	proc_state_ptr->time_spent = pstat_procinfo.pst_time;
709	+	proc_state_ptr->cpu_percent = (pstat_procinfo.pst_pctcpu * 100.0) / 0x8000;
710	+	proc_state_ptr->nice = pstat_procinfo.pst_nice;
711	+
712	+	if (sg_update_string(&proc_state_ptr->process_name,
713	+	pstat_procinfo.pst_ucomm) < 0) {
714	+	return NULL;
715	+	}
716	+	if (sg_update_string(&proc_state_ptr->proctitle,
717	+	pstat_procinfo.pst_cmd) < 0) {
718	+	return NULL;
719	+	}
720	+
721	+	switch (pstat_procinfo.pst_stat) {
722	+	case PS_SLEEP:
723	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
724	+	break;
725	+	case PS_RUN:
726	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
727	+	break;
728	+	case PS_STOP:
729	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
730	+	break;
731	+	case PS_ZOMBIE:
732	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
733	+	break;
734	+	case PS_IDLE:
735	+	case PS_OTHER:
736	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
737	+	break;
738	+	}
739	+
740	+	proc_state_size++;
741	+	}
742	+
743	+	#endif
744	+
745	+	#ifdef CYGWIN
746	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
747	+	return NULL;
748	+	#endif
749	+
750	+	*entries = proc_state_size;
751	+	return proc_state;
752	+	}
753	+
754	+	sg_process_count *sg_get_process_count() {
755	+	static sg_process_count process_stat;
756	+	sg_process_stats *ps;
757	+	int ps_size, x;
758	+
759	+	process_stat.sleeping = 0;
760	+	process_stat.running = 0;
761	+	process_stat.zombie = 0;
762	+	process_stat.stopped = 0;
763	+	process_stat.total = 0;
764	+
765	+	ps = sg_get_process_stats(&ps_size);
766	+	if (ps == NULL) {
767	+	return NULL;
768	+	}
769	+
770	+	for(x = 0; x < ps_size; x++) {
771	+	switch (ps->state) {
772	+	case SG_PROCESS_STATE_RUNNING:
773	+	process_stat.running++;
774	+	break;
775	+	case SG_PROCESS_STATE_SLEEPING:
776	+	process_stat.sleeping++;
777	+	break;
778	+	case SG_PROCESS_STATE_STOPPED:
779	+	process_stat.stopped++;
780	+	break;
781	+	case SG_PROCESS_STATE_ZOMBIE:
782	+	process_stat.zombie++;
783	+	break;
784	+	default:
785	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
786	+	* sg_process_count */
787	+	break;
788	+	}
789	+	ps++;
790	+	}
791	+
792	+	process_stat.total = ps_size;
793	+
794		return &process_stat;
795		}
796	+
797	+	int sg_process_compare_name(const void *va, const void *vb) {
798	+	const sg_process_stats *a = (sg_process_stats *)va;
799	+	const sg_process_stats *b = (sg_process_stats *)vb;
800	+
801	+	return strcmp(a->process_name, b->process_name);
802	+	}
803	+
804	+	int sg_process_compare_pid(const void *va, const void *vb) {
805	+	const sg_process_stats *a = (sg_process_stats *)va;
806	+	const sg_process_stats *b = (sg_process_stats *)vb;
807	+
808	+	if (a->pid < b->pid) {
809	+	return -1;
810	+	} else if (a->pid == b->pid) {
811	+	return 0;
812	+	} else {
813	+	return 1;
814	+	}
815	+	}
816	+
817	+	int sg_process_compare_uid(const void *va, const void *vb) {
818	+	const sg_process_stats *a = (sg_process_stats *)va;
819	+	const sg_process_stats *b = (sg_process_stats *)vb;
820	+
821	+	if (a->uid < b->uid) {
822	+	return -1;
823	+	} else if (a->uid == b->uid) {
824	+	return 0;
825	+	} else {
826	+	return 1;
827	+	}
828	+	}
829	+
830	+	int sg_process_compare_gid(const void *va, const void *vb) {
831	+	const sg_process_stats *a = (sg_process_stats *)va;
832	+	const sg_process_stats *b = (sg_process_stats *)vb;
833	+
834	+	if (a->gid < b->gid) {
835	+	return -1;
836	+	} else if (a->gid == b->gid) {
837	+	return 0;
838	+	} else {
839	+	return 1;
840	+	}
841	+	}
842	+
843	+	int sg_process_compare_size(const void *va, const void *vb) {
844	+	const sg_process_stats *a = (sg_process_stats *)va;
845	+	const sg_process_stats *b = (sg_process_stats *)vb;
846	+
847	+	if (a->proc_size < b->proc_size) {
848	+	return -1;
849	+	} else if (a->proc_size == b->proc_size) {
850	+	return 0;
851	+	} else {
852	+	return 1;
853	+	}
854	+	}
855	+
856	+	int sg_process_compare_res(const void *va, const void *vb) {
857	+	const sg_process_stats *a = (sg_process_stats *)va;
858	+	const sg_process_stats *b = (sg_process_stats *)vb;
859	+
860	+	if (a->proc_resident < b->proc_resident) {
861	+	return -1;
862	+	} else if (a->proc_resident == b->proc_resident) {
863	+	return 0;
864	+	} else {
865	+	return 1;
866	+	}
867	+	}
868	+
869	+	int sg_process_compare_cpu(const void *va, const void *vb) {
870	+	const sg_process_stats *a = (sg_process_stats *)va;
871	+	const sg_process_stats *b = (sg_process_stats *)vb;
872	+
873	+	if (a->cpu_percent < b->cpu_percent) {
874	+	return -1;
875	+	} else if (a->cpu_percent == b->cpu_percent) {
876	+	return 0;
877	+	} else {
878	+	return 1;
879	+	}
880	+	}
881	+
882	+	int sg_process_compare_time(const void *va, const void *vb) {
883	+	const sg_process_stats *a = (sg_process_stats *)va;
884	+	const sg_process_stats *b = (sg_process_stats *)vb;
885	+
886	+	if (a->time_spent < b->time_spent) {
887	+	return -1;
888	+	} else if (a->time_spent == b->time_spent) {
889	+	return 0;
890	+	} else {
891	+	return 1;
892	+	}
893	+	}
894	+

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