ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c

Comparing projects/libstatgrab/src/libstatgrab/process_stats.c (file contents):
Revision 1.5 by pajs, Fri Mar 7 15:26:30 2003 UTC vs.
Revision 1.48 by ats, Mon Apr 5 01:41:25 2004 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
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>
27	–	#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>
#	Line 36 | 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 ALLBSD
54	+	#include <stdlib.h>
55	+	#include <sys/param.h>
56	+	#include <sys/sysctl.h>
57	+	#if defined(FREEBSD) || defined(DFBSD)
58	+	#include <sys/user.h>
59	+	#else
60	+	#include <sys/proc.h>
61	+	#endif
62	+	#include <string.h>
63	+	#include <paths.h>
64	+	#include <fcntl.h>
65	+	#include <limits.h>
66	+	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
67	+	#include <kvm.h>
68	+	#include <tools.h>
69	+	#endif
70	+	#include <unistd.h>
71	+	#endif
72
73	<	process_stat_t *get_process_stats(){
73	>	static void proc_state_init(proc_state_t *s) {
74	>	s->process_name = NULL;
75	>	s->proctitle = NULL;
76	>	}
77
78	<	static process_stat_t process_stat;
78	>	static void proc_state_destroy(proc_state_t *s) {
79	>	free(s->process_name);
80	>	free(s->proctitle);
81	>	}
82
83	<	DIR *proc_dir;
84	<	struct dirent *dir_entry;
85	<	char filename[MAX_FILE_LENGTH];
86	<	FILE *f;
87	<	#ifdef LINUX
88	<	char *line_ptr;
83	>	int get_proc_snapshot(proc_state_t **ps){
84	>	VECTOR_DECLARE_STATIC(proc_state, proc_state_t, 64,
85	>	proc_state_init, proc_state_destroy);
86	>	int proc_state_size = 0;
87	>	proc_state_t *proc_state_ptr;
88	>	#ifdef ALLBSD
89	>	int mib[4];
90	>	size_t size;
91	>	struct kinfo_proc *kp_stats;
92	>	int procs, i;
93	>	char *proctitle;
94	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
95	>	kvm_t *kvmd;
96	>	char **args;
97	>	int alloc;
98	>	char *proctitletmp;
99	>	#else
100	>	long buflen;
101	>	char *p;
102		#endif
103	+	#endif
104	+	#if defined(SOLARIS) || defined(LINUX)
105	+	DIR *proc_dir;
106	+	struct dirent *dir_entry;
107	+	char filename[MAX_FILE_LENGTH];
108	+	FILE *f;
109		#ifdef SOLARIS
110		psinfo_t process_info;
111		#endif
112	+	#ifdef LINUX
113	+	char s;
114	+	/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
115	+	char ps_name[4096];
116	+	char *ptr;
117	+	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
118	+	unsigned long stime, utime;
119	+	int x;
120	+	int fn;
121	+	int len;
122	+	int rc;
123	+	#endif
124
125	<	process_stat.sleeping=0;
126	<	process_stat.running=0;
127	<	process_stat.zombie=0;
63	<	process_stat.stopped=0;
64	<	process_stat.total=0;
125	>	if((proc_dir=opendir(PROC_LOCATION))==NULL){
126	>	return -1;
127	>	}
128
129	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
130	<	return NULL;
68	<	}
129	>	while((dir_entry=readdir(proc_dir))!=NULL){
130	>	if(atoi(dir_entry->d_name) == 0) continue;
131
70	–	while((dir_entry=readdir(proc_dir))!=NULL){
71	–	if(atoi(dir_entry->d_name) == 0) continue;
72	–
132		#ifdef SOLARIS
133	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
133	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
134		#endif
135		#ifdef LINUX
136	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name);
136	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
137		#endif
138	+	if((f=fopen(filename, "r"))==NULL){
139	+	/* Open failed.. Process since vanished, or the path was too long.
140	+	* Ah well, move onwards to the next one */
141	+	continue;
142	+	}
143	+	#ifdef SOLARIS
144	+	fread(&process_info, sizeof(psinfo_t), 1, f);
145	+	#endif
146
147	<	if((f=fopen(filename, "r"))==NULL){
148	<	/* Open failed.. Process since vanished, or the path was too long.
82	<	* Ah well, move onwards to the next one */
83	<	continue;
147	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
148	>	return -1;
149		}
150	+	proc_state_ptr = proc_state+proc_state_size;
151
152	<	#ifdef SOLARIS
153	<	fread(&process_info, sizeof(psinfo_t), 1, f);
154	<	if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
155	<	if(process_info.pr_lwp.pr_state==2) process_stat.running++;
156	<	if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
157	<	if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
158	<	if(process_info.pr_lwp.pr_state==6) process_stat.running++;
152	>	#ifdef SOLARIS
153	>	proc_state_ptr->pid = process_info.pr_pid;
154	>	proc_state_ptr->parent = process_info.pr_ppid;
155	>	proc_state_ptr->pgid = process_info.pr_pgid;
156	>	proc_state_ptr->uid = process_info.pr_uid;
157	>	proc_state_ptr->euid = process_info.pr_euid;
158	>	proc_state_ptr->gid = process_info.pr_gid;
159	>	proc_state_ptr->egid = process_info.pr_egid;
160	>	proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
161	>	proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
162	>	proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
163	>	proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
164	>	proc_state_ptr->process_name = strdup(process_info.pr_fname);
165	>	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
166	>
167	>	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING;
168	>	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING;
169	>	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE;
170	>	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED;
171	>	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING;
172		#endif
173		#ifdef LINUX
174	<	if((line_ptr=f_read_line(f, "State:"))==NULL){
175	<	fclose(f);
176	<	continue;
174	>	x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %*u %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), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident));
175	>	proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
176	>	if(s == 'S') proc_state_ptr->state = SLEEPING;
177	>	if(s == 'R') proc_state_ptr->state = RUNNING;
178	>	if(s == 'Z') proc_state_ptr->state = ZOMBIE;
179	>	if(s == 'T') proc_state_ptr->state = STOPPED;
180	>	if(s == 'D') proc_state_ptr->state = STOPPED;
181	>
182	>	/* pa_name[0] should = '(' */
183	>	ptr = strchr(&ps_name[1], ')');
184	>	if(ptr !=NULL) *ptr='\0';
185	>
186	>	if (update_string(&proc_state_ptr->process_name,
187	>	&ps_name[1]) == NULL) {
188	>	return -1;
189		}
190	<	if((line_ptr=strchr(line_ptr, '\t'))==NULL){
191	<	fclose(f);
190	>
191	>	/* Need to do cpu */
192	>
193	>
194	>	fclose(f);
195	>
196	>	/* proctitle */
197	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
198	>
199	>	if((fn=open(filename, O_RDONLY)) == -1){
200	>	/* Open failed.. Process since vanished, or the path was too long.
201	>	* Ah well, move onwards to the next one */
202	>	continue;
203	>	}
204	>
205	>	#define READ_BLOCK_SIZE 128
206	>	len = 0;
207	>	do {
208	>	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE + 1) < 0) {
209	>	return -1;
210	>	}
211	>	rc = read(fn, psargs + len, READ_BLOCK_SIZE);
212	>	if (rc > 0) {
213	>	len += rc;
214	>	}
215	>	} while (rc == READ_BLOCK_SIZE);
216	>	close(fn);
217	>
218	>	if (rc == -1) {
219	>	/* Read failed; move on. */
220		continue;
221		}
222	<	line_ptr++;
223	<	if(line_ptr=='\0'){
224	<	fclose(f);
225	<	continue;
222	>
223	>	/* Turn \0s into spaces within the command line. */
224	>	ptr = psargs;
225	>	for(x = 0; x < len; x++) {
226	>	if (*ptr == '\0') *ptr = ' ';
227	>	ptr++;
228		}
229	+	/* for safety's sake */
230	+	psargs[len] = '\0';
231
232	<	if(*line_ptr=='S') process_stat.sleeping++;
233	<	if(*line_ptr=='R') process_stat.running++;
234	<	if(*line_ptr=='Z') process_stat.zombie++;
235	<	if(*line_ptr=='T') process_stat.stopped++;
113	<	if(*line_ptr=='D') process_stat.stopped++;
114	<	#endif
232	>	if (update_string(&proc_state_ptr->proctitle, psargs) == NULL) {
233	>	return -1;
234	>	}
235	>	#endif
236
237	<	fclose(f);
237	>	proc_state_size++;
238	>	}
239	>	closedir(proc_dir);
240	>	#endif
241	>
242	>	#ifdef ALLBSD
243	>	mib[0] = CTL_KERN;
244	>	mib[1] = KERN_PROC;
245	>	mib[2] = KERN_PROC_ALL;
246	>
247	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
248	>	return -1;
249		}
118	–	closedir(proc_dir);
250
251	+	procs = size / sizeof(struct kinfo_proc);
252
253	<	process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped;
253	>	kp_stats = malloc(size);
254	>	if(kp_stats == NULL) {
255	>	return -1;
256	>	}
257	>
258	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
259	>	free(kp_stats);
260	>	return -1;
261	>	}
262	>
263	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
264	>	kvmd = get_kvm2();
265	>	#endif
266	>
267	>	for (i = 0; i < procs; i++) {
268	>	const char *name;
269	>
270	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
271	>	return -1;
272	>	}
273	>	proc_state_ptr = proc_state+proc_state_size;
274	>
275	>	#ifdef FREEBSD5
276	>	name = kp_stats[i].ki_comm;
277	>	#elif defined(DFBSD)
278	>	name = kp_stats[i].kp_thread.td_comm;
279	>	#else
280	>	name = kp_stats[i].kp_proc.p_comm;
281	>	#endif
282	>	if (update_string(&proc_state_ptr->process_name, name) == NULL) {
283	>	return -1;
284	>	}
285	>
286	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
287	>	size = sizeof(buflen);
288	>
289	>	#ifdef FREEBSD5
290	>	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
291	>	return -1;
292	>	}
293	>	#else
294	>	mib[1] = KERN_ARGMAX;
295	>
296	>	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
297	>	return -1;
298	>	}
299	>	#endif
300	>
301	>	proctitle = malloc(buflen);
302	>	if(proctitle == NULL) {
303	>	return -1;
304	>	}
305	>
306	>	size = buflen;
307	>
308	>	#ifdef FREEBSD5
309	>	mib[2] = KERN_PROC_ARGS;
310	>	mib[3] = kp_stats[i].ki_pid;
311	>	#else
312	>	mib[1] = KERN_PROC_ARGS;
313	>	mib[2] = kp_stats[i].kp_proc.p_pid;
314	>	mib[3] = KERN_PROC_ARGV;
315	>	#endif
316	>
317	>	free(proc_state_ptr->proctitle);
318	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
319	>	free(proctitle);
320	>	proc_state_ptr->proctitle = NULL;
321	>	}
322	>	else if(size > 0) {
323	>	proc_state_ptr->proctitle = malloc(size+1);
324	>	if(proc_state_ptr->proctitle == NULL) {
325	>	return -1;
326	>	}
327	>	p = proctitle;
328	>	proc_state_ptr->proctitle[0] = NULL;
329	>	do {
330	>	strlcat(proc_state_ptr->proctitle, p, size+1);
331	>	strlcat(proc_state_ptr->proctitle, " ", size+1);
332	>	p += strlen(p) + 1;
333	>	} while (p < proctitle + size);
334	>	free(proctitle);
335	>	/* remove trailing space */
336	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
337	>	}
338	>	else {
339	>	free(proctitle);
340	>	proc_state_ptr->proctitle = NULL;
341	>	}
342	>	#else
343	>	free(proc_state_ptr->proctitle);
344	>	if(kvmd != NULL) {
345	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
346	>	if(args != NULL) {
347	>	alloc = 1;
348	>	proctitle = malloc(alloc);
349	>	if(proctitle == NULL) {
350	>	return -1;
351	>	}
352	>	while(*args != NULL) {
353	>	if(strlen(proctitle) + strlen(*args) >= alloc) {
354	>	alloc = (alloc + strlen(*args)) * 2;
355	>	proctitletmp = realloc(proctitle, alloc);
356	>	if(proctitletmp == NULL) {
357	>	return -1;
358	>	}
359	>	proctitle = proctitletmp;
360	>	}
361	>	strlcat(proctitle, *args, alloc);
362	>	strlcat(proctitle, " ", alloc);
363	>	args++;
364	>	}
365	>	/* remove trailing space */
366	>	proctitle[strlen(proctitle)-1] = '\0';
367	>	proc_state_ptr->proctitle = proctitle;
368	>	}
369	>	else {
370	>	proc_state_ptr->proctitle = NULL;
371	>	}
372	>	}
373	>	else {
374	>	proc_state_ptr->proctitle = NULL;
375	>	}
376	>	#endif
377	>
378	>	#ifdef FREEBSD5
379	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
380	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
381	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
382	>	#else
383	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
384	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
385	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
386	>	#endif
387	>
388	>	#ifdef FREEBSD5
389	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
390	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
391	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
392	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
393	>	#elif defined(DFBSD)
394	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
395	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
396	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
397	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
398	>	#else
399	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
400	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
401	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
402	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
403	>	#endif
404	>
405	>	#ifdef FREEBSD5
406	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
407	>	/* This is in pages */
408	>	proc_state_ptr->proc_resident =
409	>	kp_stats[i].ki_rssize * getpagesize();
410	>	/* This is in microseconds */
411	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
412	>	proc_state_ptr->cpu_percent =
413	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
414	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
415	>	#else
416	>	proc_state_ptr->proc_size =
417	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
418	>	/* This is in pages */
419	>	proc_state_ptr->proc_resident =
420	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
421	>	#if defined(NETBSD) || defined(OPENBSD)
422	>	proc_state_ptr->time_spent =
423	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
424	>	#elif defined(DFBSD)
425	>	proc_state_ptr->time_spent =
426	>	( kp_stats[i].kp_thread.td_uticks +
427	>	kp_stats[i].kp_thread.td_sticks +
428	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
429	>	#else
430	>	/* This is in microseconds */
431	>	proc_state_ptr->time_spent =
432	>	kp_stats[i].kp_proc.p_runtime / 1000000;
433	>	#endif
434	>	proc_state_ptr->cpu_percent =
435	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
436	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
437	>	#endif
438	>
439	>	#ifdef FREEBSD5
440	>	switch (kp_stats[i].ki_stat) {
441	>	#else
442	>	switch (kp_stats[i].kp_proc.p_stat) {
443	>	#endif
444	>	case SIDL:
445	>	case SRUN:
446	>	#ifdef SONPROC
447	>	case SONPROC: /* NetBSD */
448	>	#endif
449	>	proc_state_ptr->state = RUNNING;
450	>	break;
451	>	case SSLEEP:
452	>	#ifdef SWAIT
453	>	case SWAIT: /* FreeBSD 5 */
454	>	#endif
455	>	#ifdef SLOCK
456	>	case SLOCK: /* FreeBSD 5 */
457	>	#endif
458	>	proc_state_ptr->state = SLEEPING;
459	>	break;
460	>	case SSTOP:
461	>	proc_state_ptr->state = STOPPED;
462	>	break;
463	>	case SZOMB:
464	>	#ifdef SDEAD
465	>	case SDEAD: /* OpenBSD & NetBSD */
466	>	#endif
467	>	proc_state_ptr->state = ZOMBIE;
468	>	break;
469	>	default:
470	>	proc_state_ptr->state = UNKNOWN;
471	>	break;
472	>	}
473	>	proc_state_size++;
474	>	}
475	>
476	>	free(kp_stats);
477	>	#endif
478	>
479	>	#ifdef CYGWIN
480	>	return -1;
481	>	#endif
482	>
483	>	*ps = proc_state;
484	>	return proc_state_size;
485	>	}
486	>
487	>	process_stat_t *get_process_stats() {
488	>	static process_stat_t process_stat;
489	>	proc_state_t *ps;
490	>	int ps_size, x;
491	>
492	>	process_stat.sleeping = 0;
493	>	process_stat.running = 0;
494	>	process_stat.zombie = 0;
495	>	process_stat.stopped = 0;
496	>	process_stat.total = 0;
497	>
498	>	ps_size = get_proc_snapshot(&ps);
499	>
500	>	if(ps_size < 0) {
501	>	return NULL;
502	>	}
503	>
504	>	for(x = 0; x < ps_size; x++) {
505	>	switch (ps->state) {
506	>	case RUNNING:
507	>	process_stat.running++;
508	>	break;
509	>	case SLEEPING:
510	>	process_stat.sleeping++;
511	>	break;
512	>	case STOPPED:
513	>	process_stat.stopped++;
514	>	break;
515	>	case ZOMBIE:
516	>	process_stat.zombie++;
517	>	break;
518	>	default:
519	>	/* currently no mapping for UNKNOWN in process_stat_t */
520	>	break;
521	>	}
522	>	ps++;
523	>	}
524	>
525	>	process_stat.total = ps_size;
526	>
527		return &process_stat;
528		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines