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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 1.6 by pajs, Thu Apr 3 23:14:57 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
#	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>
#	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	+	#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	+	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;
121	>	DIR *proc_dir;
122		struct dirent *dir_entry;
123		char filename[MAX_FILE_LENGTH];
124		FILE *f;
63	–	#endif
64	–	#ifdef LINUX
65	–	char *line_ptr;
66	–	#endif
125		#ifdef SOLARIS
126		psinfo_t process_info;
127		#endif
128	<	#ifdef FREEBSD
129	<	struct kinfo_proc *kp_stats;
130	<	kvm_t *kvmd = NULL;
131	<	int procs;
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	<	#if defined(SOLARIS) || defined(LINUX)
143	<	process_stat.sleeping=0;
144	<	process_stat.running=0;
145	<	process_stat.zombie=0;
146	<	process_stat.stopped=0;
147	<	process_stat.total=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
#	Line 91 | Line 163 | process_stat_t *get_process_stats(){
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/status", dir_entry->d_name);
166	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
167		#endif
96	–
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		}
102	–
173		#ifdef SOLARIS
174		fread(&process_info, sizeof(psinfo_t), 1, f);
175	<	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++;
175	>	fclose(f);
176		#endif
177	+
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	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
223	<	fclose(f);
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	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
262	>
263	>	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
264		fclose(f);
265		continue;
266		}
267	<	line_ptr++;
268	<	if(line_ptr=='\0'){
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
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	–
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	<	#ifdef FREEBSD
334	<	if((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, NULL)) == NULL){
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	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
345	>	procs = size / sizeof(struct kinfo_proc);
346
347	<	while(procs--){
348	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
349	<	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++;
347	>	kp_stats = sg_malloc(size);
348	>	if(kp_stats == NULL) {
349	>	return NULL;
350		}
351	+	memset(kp_stats, 0, size);
352
353	<	kvm_close(kvmd);
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	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
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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