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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 1.13 by ats, Sun Oct 19 02:03:02 2003 UTC vs.
Revision 1.74 by ats, Sun Jul 18 21:30:11 2004 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>
#	Line 31 | Line 36
36		#include <string.h>
37		#endif
38
34	–	#include "tools.h"
39		#ifdef SOLARIS
40		#include <procfs.h>
41		#include <limits.h>
#	Line 39 | Line 43
43		#define MAX_FILE_LENGTH PATH_MAX
44		#endif
45		#ifdef LINUX
46	<	#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 ALLBSD
54	<	#include <kvm.h>
54	>	#include <errno.h>
55	>	#include <stdlib.h>
56		#include <sys/param.h>
57		#include <sys/sysctl.h>
58	<	#endif
51	<	#ifdef FREEBSD
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
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, *proctitletmp;
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;
111	>	DIR *proc_dir;
112		struct dirent *dir_entry;
113		char filename[MAX_FILE_LENGTH];
114		FILE *f;
64	–	#endif
65	–	#ifdef LINUX
66	–	char *line_ptr;
67	–	#endif
115		#ifdef SOLARIS
116		psinfo_t process_info;
117		#endif
118	<	#ifdef ALLBSD
119	<	struct kinfo_proc *kp_stats;
120	<	kvm_t *kvmd;
121	<	int procs;
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.total=0;
132	>	#ifdef LINUX
133	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
134	>	sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime");
135	>	return NULL;
136	>	}
137	>	if((fscanf(f,"%lu %*d",&uptime)) != 1){
138	>	sg_set_error(SG_ERROR_PARSE, NULL);
139	>	return NULL;
140	>	}
141	>	fclose(f);
142	>	#endif
143
83	–	#if defined(SOLARIS) || defined(LINUX)
144		if((proc_dir=opendir(PROC_LOCATION))==NULL){
145	+	sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION);
146		return NULL;
147		}
148
#	Line 92 | Line 153 | process_stat_t *get_process_stats(){
153		snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
154		#endif
155		#ifdef LINUX
156	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
156	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
157		#endif
97	–
158		if((f=fopen(filename, "r"))==NULL){
159	<	/* Open failed.. Process since vanished, or the path was too long.
159	>	/* Open failed.. Process since vanished, or the path was too long.
160		* Ah well, move onwards to the next one */
161		continue;
162		}
103	–
163		#ifdef SOLARIS
164		fread(&process_info, sizeof(psinfo_t), 1, f);
165	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
107	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
108	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
109	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
110	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
165	>	fclose(f);
166		#endif
167	+
168	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
169	+	return NULL;
170	+	}
171	+	proc_state_ptr = proc_state+proc_state_size;
172	+
173	+	#ifdef SOLARIS
174	+	proc_state_ptr->pid = process_info.pr_pid;
175	+	proc_state_ptr->parent = process_info.pr_ppid;
176	+	proc_state_ptr->pgid = process_info.pr_pgid;
177	+	proc_state_ptr->uid = process_info.pr_uid;
178	+	proc_state_ptr->euid = process_info.pr_euid;
179	+	proc_state_ptr->gid = process_info.pr_gid;
180	+	proc_state_ptr->egid = process_info.pr_egid;
181	+	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
182	+	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
183	+	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
184	+	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
185	+	proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20;
186	+	if (sg_update_string(&proc_state_ptr->process_name,
187	+	process_info.pr_fname) < 0) {
188	+	return NULL;
189	+	}
190	+	if (sg_update_string(&proc_state_ptr->proctitle,
191	+	process_info.pr_psargs) < 0) {
192	+	return NULL;
193	+	}
194	+
195	+	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
196	+	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
197	+	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
198	+	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
199	+	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
200	+	#endif
201		#ifdef LINUX
202	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
203	<	fclose(f);
202	>	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));
203	>	/* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
204	>	proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
205	>	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
206	>	if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
207	>	if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
208	>	if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
209	>	if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
210	>
211	>	/* pa_name[0] should = '(' */
212	>	ptr = strchr(&ps_name[1], ')');
213	>	if(ptr !=NULL) *ptr='\0';
214	>
215	>	if (sg_update_string(&proc_state_ptr->process_name,
216	>	&ps_name[1]) < 0) {
217	>	return NULL;
218	>	}
219	>
220	>	/* cpu */
221	>	proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
222	>
223	>	fclose(f);
224	>
225	>	/* uid / gid */
226	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
227	>	if ((f=fopen(filename, "r")) == NULL) {
228	>	/* Open failed.. Process since vanished, or the path was too long.
229	>	* Ah well, move onwards to the next one */
230		continue;
231		}
232	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
232	>
233	>	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
234		fclose(f);
235		continue;
236		}
237	<	line_ptr++;
238	<	if(line_ptr=='\0'){
237	>	sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid));
238	>
239	>	if((ptr=sg_f_read_line(f, "Gid:"))==NULL){
240		fclose(f);
241		continue;
242		}
243	+	sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid));
244
127	–	if(*line_ptr=='S') process_stat.sleeping++;
128	–	if(*line_ptr=='R') process_stat.running++;
129	–	if(*line_ptr=='Z') process_stat.zombie++;
130	–	if(*line_ptr=='T') process_stat.stopped++;
131	–	if(*line_ptr=='D') process_stat.stopped++;
132	–	#endif
133	–
245		fclose(f);
246	+
247	+	/* proctitle */
248	+	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
249	+
250	+	if((fn=open(filename, O_RDONLY)) == -1){
251	+	/* Open failed.. Process since vanished, or the path was too long.
252	+	* Ah well, move onwards to the next one */
253	+	continue;
254	+	}
255	+
256	+	#define READ_BLOCK_SIZE 128
257	+	len = 0;
258	+	do {
259	+	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
260	+	return NULL;
261	+	}
262	+	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
263	+	if (rc > 0) {
264	+	len += rc;
265	+	}
266	+	} while (rc == READ_BLOCK_SIZE);
267	+	close(fn);
268	+
269	+	if (rc == -1) {
270	+	/* Read failed; move on. */
271	+	continue;
272	+	}
273	+
274	+	/* Turn \0s into spaces within the command line. */
275	+	ptr = psargs;
276	+	for(x = 0; x < len; x++) {
277	+	if (*ptr == '\0') *ptr = ' ';
278	+	ptr++;
279	+	}
280	+
281	+	if (len == 0) {
282	+	/* We want psargs to be NULL. */
283	+	if (VECTOR_RESIZE(psargs, 0) < 0) {
284	+	return NULL;
285	+	}
286	+	} else {
287	+	/* Not empty, so append a \0. */
288	+	if (VECTOR_RESIZE(psargs, len + 1) < 0) {
289	+	return NULL;
290	+	}
291	+	psargs[len] = '\0';
292	+	}
293	+
294	+	if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
295	+	return NULL;
296	+	}
297	+	#endif
298	+
299	+	proc_state_size++;
300		}
301		closedir(proc_dir);
302		#endif
303	+
304		#ifdef ALLBSD
305	<	if((kvmd = get_kvm()) == NULL){
305	>	mib[0] = CTL_KERN;
306	>	mib[1] = KERN_PROC;
307	>	mib[2] = KERN_PROC_ALL;
308	>
309	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
310	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
311	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
312		return NULL;
313		}
314
315	<	kp_stats=kvm_getprocs(kvmd, KERN_PROC_ALL, 0, &procs);
315	>	procs = size / sizeof(struct kinfo_proc);
316
317	<	while(procs--){
317	>	kp_stats = sg_malloc(size);
318	>	if(kp_stats == NULL) {
319	>	return NULL;
320	>	}
321	>	memset(kp_stats, 0, size);
322	>
323	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
324	>	sg_set_error_with_errno(SG_ERROR_SYSCTL,
325	>	"CTL_KERN.KERN_PROC.KERN_PROC_ALL");
326	>	free(kp_stats);
327	>	return NULL;
328	>	}
329	>
330	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
331	>	kvmd = sg_get_kvm2();
332	>	#endif
333	>
334	>	for (i = 0; i < procs; i++) {
335	>	const char *name;
336	>
337		#ifdef FREEBSD5
338	<	if (kp_stats[procs].ki_stat == SSLEEP) process_stat.sleeping++;
148	<	if (kp_stats[procs].ki_stat == SWAIT) process_stat.sleeping++;
149	<	if (kp_stats[procs].ki_stat == SLOCK) process_stat.sleeping++;
150	<	if (kp_stats[procs].ki_stat == SRUN) process_stat.running++;
151	<	if (kp_stats[procs].ki_stat == SIDL) process_stat.running++;
152	<	if (kp_stats[procs].ki_stat == SZOMB) process_stat.zombie++;
153	<	if (kp_stats[procs].ki_stat == SSTOP) process_stat.stopped++;
154	<
338	>	if (kp_stats[i].ki_stat == 0) {
339		#else
340	<	if (kp_stats[procs].kp_proc.p_stat == SSLEEP) process_stat.sleeping++;
157	<	if (kp_stats[procs].kp_proc.p_stat == SRUN) process_stat.running++;
158	<	if (kp_stats[procs].kp_proc.p_stat == SIDL) process_stat.running++;
159	<	if (kp_stats[procs].kp_proc.p_stat == SZOMB) process_stat.zombie++;
160	<	if (kp_stats[procs].kp_proc.p_stat == SSTOP) process_stat.stopped++;
340	>	if (kp_stats[i].kp_proc.p_stat == 0) {
341		#endif
342	+	/* FreeBSD 5 deliberately overallocates the array that
343	+	* the sysctl returns, so we'll get a few junk
344	+	* processes on the end that we have to ignore. (Search
345	+	* for "overestimate by 5 procs" in
346	+	* src/sys/kern/kern_proc.c for more details.) */
347	+	continue;
348	+	}
349	+
350	+	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
351	+	return NULL;
352	+	}
353	+	proc_state_ptr = proc_state+proc_state_size;
354	+
355	+	#ifdef FREEBSD5
356	+	name = kp_stats[i].ki_comm;
357	+	#elif defined(DFBSD)
358	+	name = kp_stats[i].kp_thread.td_comm;
359	+	#else
360	+	name = kp_stats[i].kp_proc.p_comm;
361	+	#endif
362	+	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
363	+	return NULL;
364	+	}
365	+
366	+	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
367	+
368	+	#ifdef FREEBSD5
369	+	mib[2] = KERN_PROC_ARGS;
370	+	mib[3] = kp_stats[i].ki_pid;
371	+	#else
372	+	mib[1] = KERN_PROC_ARGS;
373	+	mib[2] = kp_stats[i].kp_proc.p_pid;
374	+	mib[3] = KERN_PROC_ARGV;
375	+	#endif
376	+
377	+	free(proc_state_ptr->proctitle);
378	+	proc_state_ptr->proctitle = NULL;
379	+
380	+	/* Starting size - we'll double this straight away */
381	+	#define PROCTITLE_START_SIZE 64
382	+	buflen = PROCTITLE_START_SIZE;
383	+	size = buflen;
384	+	proctitle = NULL;
385	+
386	+	do {
387	+	if(size >= buflen) {
388	+	buflen *= 2;
389	+	size = buflen;
390	+	proctitletmp = sg_realloc(proctitle, buflen);
391	+	if(proctitletmp == NULL) {
392	+	free(proctitle);
393	+	proctitle = NULL;
394	+	proc_state_ptr->proctitle = NULL;
395	+	size = 0;
396	+	break;
397	+	}
398	+	proctitle = proctitletmp;
399	+	bzero(proctitle, buflen);
400	+	}
401	+
402	+	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
403	+	free(proctitle);
404	+	proctitle = NULL;
405	+	proc_state_ptr->proctitle = NULL;
406	+	size = 0;
407	+	break;
408	+	}
409	+	} while(size >= buflen);
410	+
411	+	if(size > 0) {
412	+	proc_state_ptr->proctitle = sg_malloc(size+1);
413	+	if(proc_state_ptr->proctitle == NULL) {
414	+	return NULL;
415	+	}
416	+	p = proctitle;
417	+	#ifdef OPENBSD
418	+	/* On OpenBSD, this value has the argv pointers (which
419	+	* are terminated by a NULL) at the front, so we have
420	+	* to skip over them to get to the strings. */
421	+	while (*(char ***)p != NULL) {
422	+	p += sizeof(char **);
423	+	}
424	+	p += sizeof(char **);
425	+	#endif
426	+	proc_state_ptr->proctitle[0] = '\0';
427	+	do {
428	+	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
429	+	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
430	+	p += strlen(p) + 1;
431	+	} while (p < proctitle + size);
432	+	free(proctitle);
433	+	proctitle = NULL;
434	+	/* remove trailing space */
435	+	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
436	+	}
437	+	else {
438	+	if(proctitle != NULL) {
439	+	free(proctitle);
440	+	proctitle = NULL;
441	+	}
442	+	proc_state_ptr->proctitle = NULL;
443	+	}
444	+	#else
445	+	free(proc_state_ptr->proctitle);
446	+	proc_state_ptr->proctitle = NULL;
447	+	if(kvmd != NULL) {
448	+	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
449	+	if(args != NULL) {
450	+	argsp = args;
451	+	while(*argsp != NULL) {
452	+	argslen += strlen(*argsp) + 1;
453	+	argsp++;
454	+	}
455	+	proctitle = sg_malloc(argslen + 1);
456	+	proctitle[0] = '\0';
457	+	if(proctitle == NULL) {
458	+	return NULL;
459	+	}
460	+	while(*args != NULL) {
461	+	sg_strlcat(proctitle, *args, argslen + 1);
462	+	sg_strlcat(proctitle, " ", argslen + 1);
463	+	args++;
464	+	}
465	+	/* remove trailing space */
466	+	proctitle[strlen(proctitle)-1] = '\0';
467	+	proc_state_ptr->proctitle = proctitle;
468	+	}
469	+	else {
470	+	proc_state_ptr->proctitle = NULL;
471	+	}
472	+	}
473	+	else {
474	+	proc_state_ptr->proctitle = NULL;
475	+	}
476	+	#endif
477	+
478	+	#ifdef FREEBSD5
479	+	proc_state_ptr->pid = kp_stats[i].ki_pid;
480	+	proc_state_ptr->parent = kp_stats[i].ki_ppid;
481	+	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
482	+	#else
483	+	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
484	+	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
485	+	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
486	+	#endif
487	+
488	+	#ifdef FREEBSD5
489	+	proc_state_ptr->uid = kp_stats[i].ki_ruid;
490	+	proc_state_ptr->euid = kp_stats[i].ki_uid;
491	+	proc_state_ptr->gid = kp_stats[i].ki_rgid;
492	+	proc_state_ptr->egid = kp_stats[i].ki_svgid;
493	+	#elif defined(DFBSD)
494	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
495	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
496	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
497	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
498	+	#else
499	+	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
500	+	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
501	+	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
502	+	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
503	+	#endif
504	+
505	+	#ifdef FREEBSD5
506	+	proc_state_ptr->proc_size = kp_stats[i].ki_size;
507	+	/* This is in pages */
508	+	proc_state_ptr->proc_resident =
509	+	kp_stats[i].ki_rssize * getpagesize();
510	+	/* This is in microseconds */
511	+	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
512	+	proc_state_ptr->cpu_percent =
513	+	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
514	+	proc_state_ptr->nice = kp_stats[i].ki_nice;
515	+	#else
516	+	proc_state_ptr->proc_size =
517	+	kp_stats[i].kp_eproc.e_vm.vm_map.size;
518	+	/* This is in pages */
519	+	proc_state_ptr->proc_resident =
520	+	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
521	+	#if defined(NETBSD) || defined(OPENBSD)
522	+	proc_state_ptr->time_spent =
523	+	kp_stats[i].kp_proc.p_rtime.tv_sec;
524	+	#elif defined(DFBSD)
525	+	proc_state_ptr->time_spent =
526	+	( kp_stats[i].kp_thread.td_uticks +
527	+	kp_stats[i].kp_thread.td_sticks +
528	+	kp_stats[i].kp_thread.td_iticks ) / 1000000;
529	+	#else
530	+	/* This is in microseconds */
531	+	proc_state_ptr->time_spent =
532	+	kp_stats[i].kp_proc.p_runtime / 1000000;
533	+	#endif
534	+	proc_state_ptr->cpu_percent =
535	+	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
536	+	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
537	+	#endif
538	+
539	+	#ifdef NETBSD2
540	+	{
541	+	size_t size;
542	+	int mib[5];
543	+
544	+	mib[0] = CTL_KERN;
545	+	mib[1] = KERN_LWP;
546	+	mib[2] = kp_stats[i].kp_proc.p_pid;
547	+	mib[3] = sizeof(struct kinfo_lwp);
548	+	mib[4] = 0;
549	+
550	+	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
551	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
552	+	return NULL;
553	+	}
554	+
555	+	lwps = size / sizeof(struct kinfo_lwp);
556	+	mib[4] = lwps;
557	+
558	+	kl_stats = sg_malloc(size);
559	+	if(kl_stats == NULL) {
560	+	return NULL;
561	+	}
562	+
563	+	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
564	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
565	+	return NULL;
566	+	}
567	+	}
568	+
569	+	switch(kp_stats[i].kp_proc.p_stat) {
570	+	case SIDL:
571	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
572	+	break;
573	+	case SACTIVE:
574	+	{
575	+	int i;
576	+
577	+	for(i = 0; i < lwps; i++) {
578	+	switch(kl_stats[i].l_stat) {
579	+	case LSONPROC:
580	+	case LSRUN:
581	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
582	+	goto end;
583	+	case LSSLEEP:
584	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
585	+	goto end;
586	+	case LSSTOP:
587	+	case LSSUSPENDED:
588	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
589	+	goto end;
590	+	}
591	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
592	+	}
593	+	end: ;
594	+	}
595	+	break;
596	+	case SSTOP:
597	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
598	+	break;
599	+	case SZOMB:
600	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
601	+	break;
602	+	default:
603	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
604	+	break;
605	+	}
606	+
607	+	free(kl_stats);
608	+	#else
609	+	#ifdef FREEBSD5
610	+	switch (kp_stats[i].ki_stat) {
611	+	#else
612	+	switch (kp_stats[i].kp_proc.p_stat) {
613	+	#endif
614	+	case SIDL:
615	+	case SRUN:
616	+	#ifdef SONPROC
617	+	case SONPROC: /* NetBSD */
618	+	#endif
619	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
620	+	break;
621	+	case SSLEEP:
622	+	#ifdef SWAIT
623	+	case SWAIT: /* FreeBSD 5 */
624	+	#endif
625	+	#ifdef SLOCK
626	+	case SLOCK: /* FreeBSD 5 */
627	+	#endif
628	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
629	+	break;
630	+	case SSTOP:
631	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
632	+	break;
633	+	case SZOMB:
634	+	#ifdef SDEAD
635	+	case SDEAD: /* OpenBSD & NetBSD */
636	+	#endif
637	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
638	+	break;
639	+	default:
640	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
641	+	break;
642	+	}
643	+	#endif
644	+	proc_state_size++;
645		}
646	+
647	+	free(kp_stats);
648		#endif
649
650	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
650	>	#ifdef CYGWIN
651	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
652	>	return NULL;
653	>	#endif
654
655	+	*entries = proc_state_size;
656	+	return proc_state;
657	+	}
658	+
659	+	sg_process_count *sg_get_process_count() {
660	+	static sg_process_count process_stat;
661	+	sg_process_stats *ps;
662	+	int ps_size, x;
663	+
664	+	process_stat.sleeping = 0;
665	+	process_stat.running = 0;
666	+	process_stat.zombie = 0;
667	+	process_stat.stopped = 0;
668	+	process_stat.total = 0;
669	+
670	+	ps = sg_get_process_stats(&ps_size);
671	+	if (ps == NULL) {
672	+	return NULL;
673	+	}
674	+
675	+	for(x = 0; x < ps_size; x++) {
676	+	switch (ps->state) {
677	+	case SG_PROCESS_STATE_RUNNING:
678	+	process_stat.running++;
679	+	break;
680	+	case SG_PROCESS_STATE_SLEEPING:
681	+	process_stat.sleeping++;
682	+	break;
683	+	case SG_PROCESS_STATE_STOPPED:
684	+	process_stat.stopped++;
685	+	break;
686	+	case SG_PROCESS_STATE_ZOMBIE:
687	+	process_stat.zombie++;
688	+	break;
689	+	default:
690	+	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
691	+	* sg_process_count */
692	+	break;
693	+	}
694	+	ps++;
695	+	}
696	+
697	+	process_stat.total = ps_size;
698	+
699		return &process_stat;
700		}
701	+
702	+	int sg_process_compare_name(const void *va, const void *vb) {
703	+	const sg_process_stats *a = (sg_process_stats *)va;
704	+	const sg_process_stats *b = (sg_process_stats *)vb;
705	+
706	+	return strcmp(a->process_name, b->process_name);
707	+	}
708	+
709	+	int sg_process_compare_pid(const void *va, const void *vb) {
710	+	const sg_process_stats *a = (sg_process_stats *)va;
711	+	const sg_process_stats *b = (sg_process_stats *)vb;
712	+
713	+	if (a->pid < b->pid) {
714	+	return -1;
715	+	} else if (a->pid == b->pid) {
716	+	return 0;
717	+	} else {
718	+	return 1;
719	+	}
720	+	}
721	+
722	+	int sg_process_compare_uid(const void *va, const void *vb) {
723	+	const sg_process_stats *a = (sg_process_stats *)va;
724	+	const sg_process_stats *b = (sg_process_stats *)vb;
725	+
726	+	if (a->uid < b->uid) {
727	+	return -1;
728	+	} else if (a->uid == b->uid) {
729	+	return 0;
730	+	} else {
731	+	return 1;
732	+	}
733	+	}
734	+
735	+	int sg_process_compare_gid(const void *va, const void *vb) {
736	+	const sg_process_stats *a = (sg_process_stats *)va;
737	+	const sg_process_stats *b = (sg_process_stats *)vb;
738	+
739	+	if (a->gid < b->gid) {
740	+	return -1;
741	+	} else if (a->gid == b->gid) {
742	+	return 0;
743	+	} else {
744	+	return 1;
745	+	}
746	+	}
747	+
748	+	int sg_process_compare_size(const void *va, const void *vb) {
749	+	const sg_process_stats *a = (sg_process_stats *)va;
750	+	const sg_process_stats *b = (sg_process_stats *)vb;
751	+
752	+	if (a->proc_size < b->proc_size) {
753	+	return -1;
754	+	} else if (a->proc_size == b->proc_size) {
755	+	return 0;
756	+	} else {
757	+	return 1;
758	+	}
759	+	}
760	+
761	+	int sg_process_compare_res(const void *va, const void *vb) {
762	+	const sg_process_stats *a = (sg_process_stats *)va;
763	+	const sg_process_stats *b = (sg_process_stats *)vb;
764	+
765	+	if (a->proc_resident < b->proc_resident) {
766	+	return -1;
767	+	} else if (a->proc_resident == b->proc_resident) {
768	+	return 0;
769	+	} else {
770	+	return 1;
771	+	}
772	+	}
773	+
774	+	int sg_process_compare_cpu(const void *va, const void *vb) {
775	+	const sg_process_stats *a = (sg_process_stats *)va;
776	+	const sg_process_stats *b = (sg_process_stats *)vb;
777	+
778	+	if (a->cpu_percent < b->cpu_percent) {
779	+	return -1;
780	+	} else if (a->cpu_percent == b->cpu_percent) {
781	+	return 0;
782	+	} else {
783	+	return 1;
784	+	}
785	+	}
786	+
787	+	int sg_process_compare_time(const void *va, const void *vb) {
788	+	const sg_process_stats *a = (sg_process_stats *)va;
789	+	const sg_process_stats *b = (sg_process_stats *)vb;
790	+
791	+	if (a->time_spent < b->time_spent) {
792	+	return -1;
793	+	} else if (a->time_spent == b->time_spent) {
794	+	return 0;
795	+	} else {
796	+	return 1;
797	+	}
798	+	}
799	+

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