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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 1.8 by tdb, Sun Aug 24 20:24:09 2003 UTC vs.
Revision 1.82 by tdb, Mon Oct 9 14:47:58 2006 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
1	>	/*
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4	<	* Copyright (C) 2000-2003 i-scream
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
#	Line 23 | 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>
34		#include <sys/types.h>
35		#include <dirent.h>
31	–	#include <string.h>
36		#endif
37	+	#include <string.h>
38
39		#ifdef SOLARIS
40		#include <procfs.h>
#	Line 38 | Line 43
43		#define MAX_FILE_LENGTH PATH_MAX
44		#endif
45		#ifdef LINUX
46	<	#include "tools.h"
47	<	#include <linux/limits.h>
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 FREEBSD
54	<	#include <kvm.h>
55	<	#include <fcntl.h>
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	+	#ifdef WIN32
82	+	#include <windows.h>
83	+	#include <psapi.h>
84	+	#endif
85
86	<	process_stat_t *get_process_stats(){
86	>	static void proc_state_init(sg_process_stats *s) {
87	>	s->process_name = NULL;
88	>	s->proctitle = NULL;
89	>	}
90
91	<	static process_stat_t process_stat;
91	>	static void proc_state_destroy(sg_process_stats *s) {
92	>	free(s->process_name);
93	>	free(s->proctitle);
94	>	}
95
96	+	sg_process_stats *sg_get_process_stats(int *entries){
97	+	VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
98	+	proc_state_init, proc_state_destroy);
99	+	int proc_state_size = 0;
100	+	sg_process_stats *proc_state_ptr;
101	+	#ifdef HPUX
102	+	struct pst_status pstat_procinfo[PROCESS_BATCH];
103	+	long procidx = 0;
104	+	long long pagesize;
105	+	int num, i;
106	+	#endif
107	+	#ifdef ALLBSD
108	+	int mib[4];
109	+	size_t size;
110	+	struct kinfo_proc *kp_stats;
111	+	int procs, i;
112	+	char *proctitle;
113	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
114	+	kvm_t *kvmd;
115	+	char **args, **argsp;
116	+	int argslen = 0;
117	+	#else
118	+	long buflen;
119	+	char *p, *proctitletmp;
120	+	#endif
121	+	#ifdef NETBSD2
122	+	int lwps;
123	+	struct kinfo_lwp *kl_stats;
124	+	#endif
125	+	#endif
126		#if defined(SOLARIS) || defined(LINUX)
127	<	DIR *proc_dir;
127	>	DIR *proc_dir;
128		struct dirent *dir_entry;
129		char filename[MAX_FILE_LENGTH];
130		FILE *f;
63	–	#endif
64	–	#ifdef LINUX
65	–	char *line_ptr;
66	–	#endif
131		#ifdef SOLARIS
132		psinfo_t process_info;
133		#endif
134	<	#ifdef FREEBSD
135	<	struct kinfo_proc *kp_stats;
136	<	kvm_t *kvmd = NULL;
137	<	int procs;
134	>	#ifdef LINUX
135	>	char s;
136	>	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
137	>	char ps_name[4096];
138	>	char *ptr;
139	>	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
140	>	unsigned long stime, utime, starttime;
141	>	int x;
142	>	int fn;
143	>	int len;
144	>	int rc;
145	>	time_t uptime;
146	>	long tickspersec;
147		#endif
148
149	<	process_stat.sleeping=0;
150	<	process_stat.running=0;
151	<	process_stat.zombie=0;
152	<	process_stat.stopped=0;
153	<	process_stat.total=0;
149	>	#ifdef LINUX
150	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
151	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime");
152	>	return NULL;
153	>	}
154	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
155	>	sg_set_error(SG_ERROR_PARSE, NULL);
156	>	return NULL;
157	>	}
158	>	fclose(f);
159	>	#endif
160
82	–	#if defined(SOLARIS) || defined(LINUX)
161		if((proc_dir=opendir(PROC_LOCATION))==NULL){
162	+	sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
163		return NULL;
164		}
165
#	Line 91 | Line 170 | process_stat_t *get_process_stats(){
170		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
171		#endif
172		#ifdef LINUX
173	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
173	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
174		#endif
96	–
175		if((f=fopen(filename, "r"))==NULL){
176	<	/* Open failed.. Process since vanished, or the path was too long.
176	>	/* Open failed.. Process since vanished, or the path was too long.
177		* Ah well, move onwards to the next one */
178		continue;
179		}
102	–
180		#ifdef SOLARIS
181		fread(&process_info, sizeof(psinfo_t), 1, f);
182	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
106	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
107	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
108	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
109	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
182	>	fclose(f);
183		#endif
184	+
185	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
186	+	return NULL;
187	+	}
188	+	proc_state_ptr = proc_state+proc_state_size;
189	+
190	+	#ifdef SOLARIS
191	+	proc_state_ptr->pid = process_info.pr_pid;
192	+	proc_state_ptr->parent = process_info.pr_ppid;
193	+	proc_state_ptr->pgid = process_info.pr_pgid;
194	+	proc_state_ptr->uid = process_info.pr_uid;
195	+	proc_state_ptr->euid = process_info.pr_euid;
196	+	proc_state_ptr->gid = process_info.pr_gid;
197	+	proc_state_ptr->egid = process_info.pr_egid;
198	+	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
199	+	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
200	+	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
201	+	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
202	+	proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
203	+	if (sg_update_string(&proc_state_ptr->process_name,
204	+	process_info.pr_fname) < 0) {
205	+	return NULL;
206	+	}
207	+	if (sg_update_string(&proc_state_ptr->proctitle,
208	+	process_info.pr_psargs) < 0) {
209	+	return NULL;
210	+	}
211	+
212	+	switch (process_info.pr_lwp.pr_state) {
213	+	case 1:
214	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
215	+	break;
216	+	case 2:
217	+	case 5:
218	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
219	+	break;
220	+	case 3:
221	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
222	+	break;
223	+	case 4:
224	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
225	+	break;
226	+	}
227	+	#endif
228		#ifdef LINUX
229	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
230	<	fclose(f);
229	>	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));
230	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
231	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
232	>	switch (s) {
233	>	case 'S':
234	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
235	>	break;
236	>	case 'R':
237	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
238	>	break;
239	>	case 'Z':
240	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
241	>	break;
242	>	case 'T':
243	>	case 'D':
244	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
245	>	break;
246	>	}
247	>
248	>	/* pa_name[0] should = '(' */
249	>	ptr = strchr(&ps_name[1], ')');
250	>	if(ptr !=NULL) *ptr='\0';
251	>
252	>	if (sg_update_string(&proc_state_ptr->process_name,
253	>	&ps_name[1]) < 0) {
254	>	return NULL;
255	>	}
256	>
257	>	/* cpu */
258	>	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
259	>	tickspersec = sysconf (_SC_CLK_TCK);
260	>	if (tickspersec < 0) {
261	>	proc_state_ptr->time_spent = 0;
262	>	}
263	>	else {
264	>	proc_state_ptr->time_spent = (utime + stime) / tickspersec;
265	>	}
266	>
267	>	fclose(f);
268	>
269	>	/* uid / gid */
270	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
271	>	if ((f=fopen(filename, "r")) == NULL) {
272	>	/* Open failed.. Process since vanished, or the path was too long.
273	>	* Ah well, move onwards to the next one */
274		continue;
275		}
276	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
276	>
277	>	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
278		fclose(f);
279		continue;
280		}
281	<	line_ptr++;
282	<	if(line_ptr=='\0'){
281	>	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
282	>
283	>	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
284		fclose(f);
285		continue;
286		}
287	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
288
126	–	if(*line_ptr=='S') process_stat.sleeping++;
127	–	if(*line_ptr=='R') process_stat.running++;
128	–	if(*line_ptr=='Z') process_stat.zombie++;
129	–	if(*line_ptr=='T') process_stat.stopped++;
130	–	if(*line_ptr=='D') process_stat.stopped++;
131	–	#endif
132	–
289		fclose(f);
290	+
291	+	/* proctitle */
292	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
293	+
294	+	if((fn=open(filename, O_RDONLY)) == -1){
295	+	/* Open failed.. Process since vanished, or the path was too long.
296	+	* Ah well, move onwards to the next one */
297	+	continue;
298	+	}
299	+
300	+	#define READ_BLOCK_SIZE 128
301	+	len = 0;
302	+	do {
303	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
304	+	return NULL;
305	+	}
306	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
307	+	if (rc > 0) {
308	+	len += rc;
309	+	}
310	+	} while (rc == READ_BLOCK_SIZE);
311	+	close(fn);
312	+
313	+	if (rc == -1) {
314	+	/* Read failed; move on. */
315	+	continue;
316	+	}
317	+
318	+	/* Turn \0s into spaces within the command line. */
319	+	ptr = psargs;
320	+	for(x = 0; x < len; x++) {
321	+	if (*ptr == '\0') *ptr = ' ';
322	+	ptr++;
323	+	}
324	+
325	+	if (len == 0) {
326	+	/* We want psargs to be NULL. */
327	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
328	+	return NULL;
329	+	}
330	+	} else {
331	+	/* Not empty, so append a \0. */
332	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
333	+	return NULL;
334	+	}
335	+	psargs[len] = '\0';
336	+	}
337	+
338	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
339	+	return NULL;
340	+	}
341	+	#endif
342	+
343	+	proc_state_size++;
344		}
345		closedir(proc_dir);
346		#endif
347	<	#ifdef FREEBSD
348	<	if((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL)) == NULL){
347	>
348	>	#ifdef ALLBSD
349	>	mib[0] = CTL_KERN;
350	>	mib[1] = KERN_PROC;
351	>	mib[2] = KERN_PROC_ALL;
352	>
353	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
354	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
355	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
356		return NULL;
357		}
358
359	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
359	>	procs = size / sizeof(struct kinfo_proc);
360
361	<	while(procs--){
362	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
363	<	if (kp_stats[procs].kp_proc.p_stat == SRUN) process_stat.running++;
147	<	if (kp_stats[procs].kp_proc.p_stat == SIDL) process_stat.running++;
148	<	if (kp_stats[procs].kp_proc.p_stat == SZOMB) process_stat.zombie++;
149	<	if (kp_stats[procs].kp_proc.p_stat == SSTOP) process_stat.stopped++;
361	>	kp_stats = sg_malloc(size);
362	>	if(kp_stats == NULL) {
363	>	return NULL;
364		}
365	+	memset(kp_stats, 0, size);
366
367	<	kvm_close(kvmd);
367	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
368	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
369	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
370	>	free(kp_stats);
371	>	return NULL;
372	>	}
373	>
374	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
375	>	kvmd = sg_get_kvm2();
376		#endif
377
378	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
378	>	for (i = 0; i < procs; i++) {
379	>	const char *name;
380	>
381	>	#ifdef FREEBSD5
382	>	if (kp_stats[i].ki_stat == 0) {
383	>	#else
384	>	if (kp_stats[i].kp_proc.p_stat == 0) {
385	>	#endif
386	>	/* FreeBSD 5 deliberately overallocates the array that
387	>	* the sysctl returns, so we'll get a few junk
388	>	* processes on the end that we have to ignore. (Search
389	>	* for "overestimate by 5 procs" in
390	>	* src/sys/kern/kern_proc.c for more details.) */
391	>	continue;
392	>	}
393	>
394	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
395	>	return NULL;
396	>	}
397	>	proc_state_ptr = proc_state+proc_state_size;
398	>
399	>	#ifdef FREEBSD5
400	>	name = kp_stats[i].ki_comm;
401	>	#elif defined(DFBSD)
402	>	name = kp_stats[i].kp_thread.td_comm;
403	>	#else
404	>	name = kp_stats[i].kp_proc.p_comm;
405	>	#endif
406	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
407	>	return NULL;
408	>	}
409	>
410	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
411	>
412	>	#ifdef FREEBSD5
413	>	mib[2] = KERN_PROC_ARGS;
414	>	mib[3] = kp_stats[i].ki_pid;
415	>	#else
416	>	mib[1] = KERN_PROC_ARGS;
417	>	mib[2] = kp_stats[i].kp_proc.p_pid;
418	>	mib[3] = KERN_PROC_ARGV;
419	>	#endif
420	>
421	>	free(proc_state_ptr->proctitle);
422	>	proc_state_ptr->proctitle = NULL;
423	>
424	>	/* Starting size - we'll double this straight away */
425	>	#define PROCTITLE_START_SIZE 64
426	>	buflen = PROCTITLE_START_SIZE;
427	>	size = buflen;
428	>	proctitle = NULL;
429	>
430	>	do {
431	>	if((long) size >= buflen) {
432	>	buflen *= 2;
433	>	size = buflen;
434	>	proctitletmp = sg_realloc(proctitle, buflen);
435	>	if(proctitletmp == NULL) {
436	>	free(proctitle);
437	>	proctitle = NULL;
438	>	proc_state_ptr->proctitle = NULL;
439	>	size = 0;
440	>	break;
441	>	}
442	>	proctitle = proctitletmp;
443	>	bzero(proctitle, buflen);
444	>	}
445	>
446	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
447	>	free(proctitle);
448	>	proctitle = NULL;
449	>	proc_state_ptr->proctitle = NULL;
450	>	size = 0;
451	>	break;
452	>	}
453	>	} while((long) size >= buflen);
454	>
455	>	if(size > 0) {
456	>	proc_state_ptr->proctitle = sg_malloc(size+1);
457	>	if(proc_state_ptr->proctitle == NULL) {
458	>	return NULL;
459	>	}
460	>	p = proctitle;
461	>	#ifdef OPENBSD
462	>	/* On OpenBSD, this value has the argv pointers (which
463	>	* are terminated by a NULL) at the front, so we have
464	>	* to skip over them to get to the strings. */
465	>	while (*(char ***)p != NULL) {
466	>	p += sizeof(char **);
467	>	}
468	>	p += sizeof(char **);
469	>	#endif
470	>	proc_state_ptr->proctitle[0] = '\0';
471	>	do {
472	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
473	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
474	>	p += strlen(p) + 1;
475	>	} while (p < proctitle + size);
476	>	free(proctitle);
477	>	proctitle = NULL;
478	>	/* remove trailing space */
479	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
480	>	}
481	>	else {
482	>	if(proctitle != NULL) {
483	>	free(proctitle);
484	>	proctitle = NULL;
485	>	}
486	>	proc_state_ptr->proctitle = NULL;
487	>	}
488	>	#else
489	>	free(proc_state_ptr->proctitle);
490	>	proc_state_ptr->proctitle = NULL;
491	>	if(kvmd != NULL) {
492	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
493	>	if(args != NULL) {
494	>	argsp = args;
495	>	while(*argsp != NULL) {
496	>	argslen += strlen(*argsp) + 1;
497	>	argsp++;
498	>	}
499	>	proctitle = sg_malloc(argslen + 1);
500	>	proctitle[0] = '\0';
501	>	if(proctitle == NULL) {
502	>	return NULL;
503	>	}
504	>	while(*args != NULL) {
505	>	sg_strlcat(proctitle, *args, argslen + 1);
506	>	sg_strlcat(proctitle, " ", argslen + 1);
507	>	args++;
508	>	}
509	>	/* remove trailing space */
510	>	proctitle[strlen(proctitle)-1] = '\0';
511	>	proc_state_ptr->proctitle = proctitle;
512	>	}
513	>	else {
514	>	proc_state_ptr->proctitle = NULL;
515	>	}
516	>	}
517	>	else {
518	>	proc_state_ptr->proctitle = NULL;
519	>	}
520	>	#endif
521	>
522	>	#ifdef FREEBSD5
523	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
524	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
525	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
526	>	#else
527	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
528	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
529	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
530	>	#endif
531	>
532	>	#ifdef FREEBSD5
533	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
534	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
535	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
536	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
537	>	#elif defined(DFBSD)
538	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
539	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
540	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
541	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
542	>	#else
543	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
544	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
545	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
546	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
547	>	#endif
548	>
549	>	#ifdef FREEBSD5
550	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
551	>	/* This is in pages */
552	>	proc_state_ptr->proc_resident =
553	>	kp_stats[i].ki_rssize * getpagesize();
554	>	/* This is in microseconds */
555	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
556	>	proc_state_ptr->cpu_percent =
557	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
558	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
559	>	#else
560	>	proc_state_ptr->proc_size =
561	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
562	>	/* This is in pages */
563	>	proc_state_ptr->proc_resident =
564	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
565	>	#if defined(NETBSD) || defined(OPENBSD)
566	>	proc_state_ptr->time_spent =
567	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
568	>	#elif defined(DFBSD)
569	>	proc_state_ptr->time_spent =
570	>	( kp_stats[i].kp_thread.td_uticks +
571	>	kp_stats[i].kp_thread.td_sticks +
572	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
573	>	#else
574	>	/* This is in microseconds */
575	>	proc_state_ptr->time_spent =
576	>	kp_stats[i].kp_proc.p_runtime / 1000000;
577	>	#endif
578	>	proc_state_ptr->cpu_percent =
579	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
580	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
581	>	#endif
582	>
583	>	#ifdef NETBSD2
584	>	{
585	>	size_t size;
586	>	int mib[5];
587	>
588	>	mib[0] = CTL_KERN;
589	>	mib[1] = KERN_LWP;
590	>	mib[2] = kp_stats[i].kp_proc.p_pid;
591	>	mib[3] = sizeof(struct kinfo_lwp);
592	>	mib[4] = 0;
593	>
594	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
595	>	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
596	>	return NULL;
597	>	}
598	>
599	>	lwps = size / sizeof(struct kinfo_lwp);
600	>	mib[4] = lwps;
601	>
602	>	kl_stats = sg_malloc(size);
603	>	if(kl_stats == NULL) {
604	>	return NULL;
605	>	}
606	>
607	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
608	>	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
609	>	return NULL;
610	>	}
611	>	}
612	>
613	>	switch(kp_stats[i].kp_proc.p_stat) {
614	>	case SIDL:
615	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
616	>	break;
617	>	case SACTIVE:
618	>	{
619	>	int i;
620	>
621	>	for(i = 0; i < lwps; i++) {
622	>	switch(kl_stats[i].l_stat) {
623	>	case LSONPROC:
624	>	case LSRUN:
625	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
626	>	goto end;
627	>	case LSSLEEP:
628	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
629	>	goto end;
630	>	case LSSTOP:
631	>	case LSSUSPENDED:
632	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
633	>	goto end;
634	>	}
635	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
636	>	}
637	>	end: ;
638	>	}
639	>	break;
640	>	case SSTOP:
641	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
642	>	break;
643	>	case SZOMB:
644	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
645	>	break;
646	>	default:
647	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
648	>	break;
649	>	}
650	>
651	>	free(kl_stats);
652	>	#else
653	>	#ifdef FREEBSD5
654	>	switch (kp_stats[i].ki_stat) {
655	>	#else
656	>	switch (kp_stats[i].kp_proc.p_stat) {
657	>	#endif
658	>	case SIDL:
659	>	case SRUN:
660	>	#ifdef SONPROC
661	>	case SONPROC: /* NetBSD */
662	>	#endif
663	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
664	>	break;
665	>	case SSLEEP:
666	>	#ifdef SWAIT
667	>	case SWAIT: /* FreeBSD 5 */
668	>	#endif
669	>	#ifdef SLOCK
670	>	case SLOCK: /* FreeBSD 5 */
671	>	#endif
672	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
673	>	break;
674	>	case SSTOP:
675	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
676	>	break;
677	>	case SZOMB:
678	>	#ifdef SDEAD
679	>	case SDEAD: /* OpenBSD & NetBSD */
680	>	#endif
681	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
682	>	break;
683	>	default:
684	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
685	>	break;
686	>	}
687	>	#endif
688	>	proc_state_size++;
689	>	}
690	>
691	>	free(kp_stats);
692	>	#endif
693	>
694	>	#ifdef HPUX
695	>	if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) {
696	>	sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE");
697	>	return NULL;
698	>	}
699	>
700	>	while (1) {
701	>	num = pstat_getproc(pstat_procinfo, sizeof pstat_procinfo[0],
702	>	PROCESS_BATCH, procidx);
703	>	if (num == -1) {
704	>	sg_set_error_with_errno(SG_ERROR_PSTAT,
705	>	"pstat_getproc");
706	>	return NULL;
707	>	} else if (num == 0) {
708	>	break;
709	>	}
710	>
711	>	for (i = 0; i < num; i++) {
712	>	struct pst_status *pi = &pstat_procinfo[i];
713	>
714	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
715	>	return NULL;
716	>	}
717	>	proc_state_ptr = proc_state+proc_state_size;
718	>
719	>	proc_state_ptr->pid = pi->pst_pid;
720	>	proc_state_ptr->parent = pi->pst_ppid;
721	>	proc_state_ptr->pgid = pi->pst_pgrp;
722	>	proc_state_ptr->uid = pi->pst_uid;
723	>	proc_state_ptr->euid = pi->pst_euid;
724	>	proc_state_ptr->gid = pi->pst_gid;
725	>	proc_state_ptr->egid = pi->pst_egid;
726	>	proc_state_ptr->proc_size = (pi->pst_dsize + pi->pst_tsize + pi->pst_ssize) * pagesize;
727	>	proc_state_ptr->proc_resident = pi->pst_rssize * pagesize;
728	>	proc_state_ptr->time_spent = pi->pst_time;
729	>	proc_state_ptr->cpu_percent = (pi->pst_pctcpu * 100.0) / 0x8000;
730	>	proc_state_ptr->nice = pi->pst_nice;
731	>
732	>	if (sg_update_string(&proc_state_ptr->process_name,
733	>	pi->pst_ucomm) < 0) {
734	>	return NULL;
735	>	}
736	>	if (sg_update_string(&proc_state_ptr->proctitle,
737	>	pi->pst_cmd) < 0) {
738	>	return NULL;
739	>	}
740	>
741	>	switch (pi->pst_stat) {
742	>	case PS_SLEEP:
743	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
744	>	break;
745	>	case PS_RUN:
746	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
747	>	break;
748	>	case PS_STOP:
749	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
750	>	break;
751	>	case PS_ZOMBIE:
752	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
753	>	break;
754	>	case PS_IDLE:
755	>	case PS_OTHER:
756	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
757	>	break;
758	>	}
759	>
760	>	proc_state_size++;
761	>	}
762	>	procidx = pstat_procinfo[num - 1].pst_idx + 1;
763	>	}
764	>	#endif
765	>
766	>	#ifdef CYGWIN
767	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
768	>	return NULL;
769	>	#endif
770	>	#ifdef WIN32
771	>	/* FIXME The data needed for this is probably do able with the
772	>	* "performance registry". Although using this appears to be a black
773	>	* art and closely guarded secret.
774	>	* This is not directly used in ihost, so not considered a priority */
775	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Win32");
776	>	return NULL;
777	>	#endif
778	>
779	>	*entries = proc_state_size;
780	>	return proc_state;
781	>	}
782	>
783	>	sg_process_count *sg_get_process_count() {
784	>	static sg_process_count process_stat;
785	>	#ifndef WIN32
786	>	sg_process_stats *ps;
787	>	int ps_size, x;
788	>	#else
789	>	DWORD aProcesses[1024];
790	>	DWORD cbNeeded;
791	>	#endif
792	>
793	>	process_stat.sleeping = 0;
794	>	process_stat.running = 0;
795	>	process_stat.zombie = 0;
796	>	process_stat.stopped = 0;
797	>	process_stat.total = 0;
798	>
799	>	#ifndef WIN32
800	>	ps = sg_get_process_stats(&ps_size);
801	>	if (ps == NULL) {
802	>	return NULL;
803	>	}
804	>
805	>	for(x = 0; x < ps_size; x++) {
806	>	switch (ps->state) {
807	>	case SG_PROCESS_STATE_RUNNING:
808	>	process_stat.running++;
809	>	break;
810	>	case SG_PROCESS_STATE_SLEEPING:
811	>	process_stat.sleeping++;
812	>	break;
813	>	case SG_PROCESS_STATE_STOPPED:
814	>	process_stat.stopped++;
815	>	break;
816	>	case SG_PROCESS_STATE_ZOMBIE:
817	>	process_stat.zombie++;
818	>	break;
819	>	default:
820	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
821	>	* sg_process_count */
822	>	break;
823	>	}
824	>	ps++;
825	>	}
826	>
827	>	process_stat.total = ps_size;
828	>	#else
829	>	if (!EnumProcesses(aProcesses, sizeof(aProcesses), &cbNeeded))
830	>	return NULL;
831	>	process_stat.total = cbNeeded / sizeof(DWORD);
832	>	#endif
833	>
834		return &process_stat;
835		}
836	+
837	+	int sg_process_compare_name(const void *va, const void *vb) {
838	+	const sg_process_stats *a = (sg_process_stats *)va;
839	+	const sg_process_stats *b = (sg_process_stats *)vb;
840	+
841	+	return strcmp(a->process_name, b->process_name);
842	+	}
843	+
844	+	int sg_process_compare_pid(const void *va, const void *vb) {
845	+	const sg_process_stats *a = (sg_process_stats *)va;
846	+	const sg_process_stats *b = (sg_process_stats *)vb;
847	+
848	+	if (a->pid < b->pid) {
849	+	return -1;
850	+	} else if (a->pid == b->pid) {
851	+	return 0;
852	+	} else {
853	+	return 1;
854	+	}
855	+	}
856	+
857	+	int sg_process_compare_uid(const void *va, const void *vb) {
858	+	const sg_process_stats *a = (sg_process_stats *)va;
859	+	const sg_process_stats *b = (sg_process_stats *)vb;
860	+
861	+	if (a->uid < b->uid) {
862	+	return -1;
863	+	} else if (a->uid == b->uid) {
864	+	return 0;
865	+	} else {
866	+	return 1;
867	+	}
868	+	}
869	+
870	+	int sg_process_compare_gid(const void *va, const void *vb) {
871	+	const sg_process_stats *a = (sg_process_stats *)va;
872	+	const sg_process_stats *b = (sg_process_stats *)vb;
873	+
874	+	if (a->gid < b->gid) {
875	+	return -1;
876	+	} else if (a->gid == b->gid) {
877	+	return 0;
878	+	} else {
879	+	return 1;
880	+	}
881	+	}
882	+
883	+	int sg_process_compare_size(const void *va, const void *vb) {
884	+	const sg_process_stats *a = (sg_process_stats *)va;
885	+	const sg_process_stats *b = (sg_process_stats *)vb;
886	+
887	+	if (a->proc_size < b->proc_size) {
888	+	return -1;
889	+	} else if (a->proc_size == b->proc_size) {
890	+	return 0;
891	+	} else {
892	+	return 1;
893	+	}
894	+	}
895	+
896	+	int sg_process_compare_res(const void *va, const void *vb) {
897	+	const sg_process_stats *a = (sg_process_stats *)va;
898	+	const sg_process_stats *b = (sg_process_stats *)vb;
899	+
900	+	if (a->proc_resident < b->proc_resident) {
901	+	return -1;
902	+	} else if (a->proc_resident == b->proc_resident) {
903	+	return 0;
904	+	} else {
905	+	return 1;
906	+	}
907	+	}
908	+
909	+	int sg_process_compare_cpu(const void *va, const void *vb) {
910	+	const sg_process_stats *a = (sg_process_stats *)va;
911	+	const sg_process_stats *b = (sg_process_stats *)vb;
912	+
913	+	if (a->cpu_percent < b->cpu_percent) {
914	+	return -1;
915	+	} else if (a->cpu_percent == b->cpu_percent) {
916	+	return 0;
917	+	} else {
918	+	return 1;
919	+	}
920	+	}
921	+
922	+	int sg_process_compare_time(const void *va, const void *vb) {
923	+	const sg_process_stats *a = (sg_process_stats *)va;
924	+	const sg_process_stats *b = (sg_process_stats *)vb;
925	+
926	+	if (a->time_spent < b->time_spent) {
927	+	return -1;
928	+	} else if (a->time_spent == b->time_spent) {
929	+	return 0;
930	+	} else {
931	+	return 1;
932	+	}
933	+	}
934	+

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