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 1.24 by pajs, Sun Mar 28 18:22:58 2004 UTC vs.
Revision 1.71 by tdb, Thu Apr 8 17:20:51 2004 UTC

#	Line 1 | Line 1
1		/*
2	<	* i-scream central monitoring system
2	>	* i-scream libstatgrab
3		* http://www.i-scream.org
4		* Copyright (C) 2000-2004 i-scream
5		*
#	Line 26 | 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 42 | Line 44
44		#endif
45		#ifdef LINUX
46		#include <limits.h>
47	+	#include <unistd.h>
48	+	#include <sys/stat.h>
49	+	#include <fcntl.h>
50		#define PROC_LOCATION "/proc"
51		#define MAX_FILE_LENGTH PATH_MAX
52		#endif
53		#ifdef ALLBSD
54	+	#include <errno.h>
55		#include <stdlib.h>
56		#include <sys/param.h>
57		#include <sys/sysctl.h>
#	Line 54 | Line 60
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	<	int get_proc_snapshot(proc_state_t **ps){
77	<	proc_state_t *proc_state = NULL;
78	<	proc_state_t *proc_state_ptr;
76	>	static void proc_state_init(sg_process_stats *s) {
77	>	s->process_name = NULL;
78	>	s->proctitle = NULL;
79	>	}
80	>
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;
112	<	struct dirent *dir_entry;
113	<	char filename[MAX_FILE_LENGTH];
114	<	FILE *f;
111	>	DIR *proc_dir;
112	>	struct dirent *dir_entry;
113	>	char filename[MAX_FILE_LENGTH];
114	>	FILE *f;
115		#ifdef SOLARIS
116		psinfo_t process_info;
117		#endif
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	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
133	<	return NULL;
134	<	}
132	>	#ifdef LINUX
133	>	if ((f=fopen("/proc/uptime", "r")) == NULL) {
134	>	sg_set_error(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
144	<	while((dir_entry=readdir(proc_dir))!=NULL){
145	<	if(atoi(dir_entry->d_name) == 0) continue;
144	>	if((proc_dir=opendir(PROC_LOCATION))==NULL){
145	>	sg_set_error(SG_ERROR_OPENDIR, PROC_LOCATION);
146	>	return NULL;
147	>	}
148
149	+	while((dir_entry=readdir(proc_dir))!=NULL){
150	+	if(atoi(dir_entry->d_name) == 0) continue;
151	+
152		#ifdef SOLARIS
153	<	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
153	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
154		#endif
155	<	if((f=fopen(filename, "r"))==NULL){
156	<	/* Open failed.. Process since vanished, or the path was too long.
157	<	* Ah well, move onwards to the next one */
158	<	continue;
159	<	}
155	>	#ifdef LINUX
156	>	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
157	>	#endif
158	>	if((f=fopen(filename, "r"))==NULL){
159	>	/* Open failed.. Process since vanished, or the path was too long.
160	>	* Ah well, move onwards to the next one */
161	>	continue;
162	>	}
163		#ifdef SOLARIS
164	<	fread(&process_info, sizeof(psinfo_t), 1, f);
164	>	fread(&process_info, sizeof(psinfo_t), 1, f);
165	>	fclose(f);
166	>	#endif
167
168	<	proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t));
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	<
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;
#	Line 101 | Line 182 | int get_proc_snapshot(proc_state_t **ps){
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->process_name = strdup(process_info.pr_fname);
186	<	proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
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 = SLEEPING;
196	<	if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING;
197	<	if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE;
198	<	if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED;
199	<	if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING;
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	+	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	+
233	+	if((ptr=sg_f_read_line(f, "Uid:"))==NULL){
234	+	fclose(f);
235	+	continue;
236	+	}
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	+
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	+	mib[0] = CTL_KERN;
306	+	mib[1] = KERN_PROC;
307	+	mib[2] = KERN_PROC_ALL;
308
309	<	fclose(f);
310	<	}
311	<	closedir(proc_dir);
312	<	*ps = proc_state;
309	>	if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
310	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
311	>	return NULL;
312	>	}
313
314	<	return proc_state_size;
314	>	procs = size / sizeof(struct kinfo_proc);
315	>
316	>	kp_stats = sg_malloc(size);
317	>	if(kp_stats == NULL) {
318	>	return NULL;
319	>	}
320	>	memset(kp_stats, 0, size);
321	>
322	>	if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
323	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL");
324	>	free(kp_stats);
325	>	return NULL;
326	>	}
327	>
328	>	#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
329	>	kvmd = sg_get_kvm2();
330	>	#endif
331	>
332	>	for (i = 0; i < procs; i++) {
333	>	const char *name;
334	>
335	>	#ifdef FREEBSD5
336	>	if (kp_stats[i].ki_stat == 0) {
337	>	#else
338	>	if (kp_stats[i].kp_proc.p_stat == 0) {
339	>	#endif
340	>	/* FreeBSD 5 deliberately overallocates the array that
341	>	* the sysctl returns, so we'll get a few junk
342	>	* processes on the end that we have to ignore. (Search
343	>	* for "overestimate by 5 procs" in
344	>	* src/sys/kern/kern_proc.c for more details.) */
345	>	continue;
346	>	}
347	>
348	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
349	>	return NULL;
350	>	}
351	>	proc_state_ptr = proc_state+proc_state_size;
352	>
353	>	#ifdef FREEBSD5
354	>	name = kp_stats[i].ki_comm;
355	>	#elif defined(DFBSD)
356	>	name = kp_stats[i].kp_thread.td_comm;
357	>	#else
358	>	name = kp_stats[i].kp_proc.p_comm;
359	>	#endif
360	>	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
361	>	return NULL;
362	>	}
363	>
364	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
365	>
366	>	#ifdef FREEBSD5
367	>	mib[2] = KERN_PROC_ARGS;
368	>	mib[3] = kp_stats[i].ki_pid;
369	>	#else
370	>	mib[1] = KERN_PROC_ARGS;
371	>	mib[2] = kp_stats[i].kp_proc.p_pid;
372	>	mib[3] = KERN_PROC_ARGV;
373	>	#endif
374	>
375	>	free(proc_state_ptr->proctitle);
376	>	proc_state_ptr->proctitle = NULL;
377	>
378	>	/* Starting size - we'll double this straight away */
379	>	#define PROCTITLE_START_SIZE 64
380	>	buflen = PROCTITLE_START_SIZE;
381	>	size = buflen;
382	>	proctitle = NULL;
383	>
384	>	do {
385	>	if(size >= buflen) {
386	>	buflen *= 2;
387	>	size = buflen;
388	>	proctitletmp = sg_realloc(proctitle, buflen);
389	>	if(proctitletmp == NULL) {
390	>	free(proctitle);
391	>	proctitle = NULL;
392	>	proc_state_ptr->proctitle = NULL;
393	>	size = 0;
394	>	break;
395	>	}
396	>	proctitle = proctitletmp;
397	>	bzero(proctitle, buflen);
398	>	}
399	>
400	>	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
401	>	free(proctitle);
402	>	proctitle = NULL;
403	>	proc_state_ptr->proctitle = NULL;
404	>	size = 0;
405	>	break;
406	>	}
407	>	} while(size >= buflen);
408	>
409	>	if(size > 0) {
410	>	proc_state_ptr->proctitle = sg_malloc(size+1);
411	>	if(proc_state_ptr->proctitle == NULL) {
412	>	return NULL;
413	>	}
414	>	p = proctitle;
415	>	proc_state_ptr->proctitle[0] = '\0';
416	>	do {
417	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
418	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
419	>	p += strlen(p) + 1;
420	>	} while (p < proctitle + size);
421	>	free(proctitle);
422	>	proctitle = NULL;
423	>	/* remove trailing space */
424	>	proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
425	>	}
426	>	else {
427	>	if(proctitle != NULL) {
428	>	free(proctitle);
429	>	proctitle = NULL;
430	>	}
431	>	proc_state_ptr->proctitle = NULL;
432	>	}
433	>	#else
434	>	free(proc_state_ptr->proctitle);
435	>	proc_state_ptr->proctitle = NULL;
436	>	if(kvmd != NULL) {
437	>	args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
438	>	if(args != NULL) {
439	>	argsp = args;
440	>	while(*argsp != NULL) {
441	>	argslen += strlen(*argsp) + 1;
442	>	argsp++;
443	>	}
444	>	proctitle = sg_malloc(argslen + 1);
445	>	proctitle[0] = '\0';
446	>	if(proctitle == NULL) {
447	>	return NULL;
448	>	}
449	>	while(*args != NULL) {
450	>	sg_strlcat(proctitle, *args, argslen + 1);
451	>	sg_strlcat(proctitle, " ", argslen + 1);
452	>	args++;
453	>	}
454	>	/* remove trailing space */
455	>	proctitle[strlen(proctitle)-1] = '\0';
456	>	proc_state_ptr->proctitle = proctitle;
457	>	}
458	>	else {
459	>	proc_state_ptr->proctitle = NULL;
460	>	}
461	>	}
462	>	else {
463	>	proc_state_ptr->proctitle = NULL;
464	>	}
465	>	#endif
466	>
467	>	#ifdef FREEBSD5
468	>	proc_state_ptr->pid = kp_stats[i].ki_pid;
469	>	proc_state_ptr->parent = kp_stats[i].ki_ppid;
470	>	proc_state_ptr->pgid = kp_stats[i].ki_pgid;
471	>	#else
472	>	proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
473	>	proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
474	>	proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
475	>	#endif
476	>
477	>	#ifdef FREEBSD5
478	>	proc_state_ptr->uid = kp_stats[i].ki_ruid;
479	>	proc_state_ptr->euid = kp_stats[i].ki_uid;
480	>	proc_state_ptr->gid = kp_stats[i].ki_rgid;
481	>	proc_state_ptr->egid = kp_stats[i].ki_svgid;
482	>	#elif defined(DFBSD)
483	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
484	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
485	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
486	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
487	>	#else
488	>	proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
489	>	proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
490	>	proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
491	>	proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
492	>	#endif
493	>
494	>	#ifdef FREEBSD5
495	>	proc_state_ptr->proc_size = kp_stats[i].ki_size;
496	>	/* This is in pages */
497	>	proc_state_ptr->proc_resident =
498	>	kp_stats[i].ki_rssize * getpagesize();
499	>	/* This is in microseconds */
500	>	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
501	>	proc_state_ptr->cpu_percent =
502	>	((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
503	>	proc_state_ptr->nice = kp_stats[i].ki_nice;
504	>	#else
505	>	proc_state_ptr->proc_size =
506	>	kp_stats[i].kp_eproc.e_vm.vm_map.size;
507	>	/* This is in pages */
508	>	proc_state_ptr->proc_resident =
509	>	kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
510	>	#if defined(NETBSD) || defined(OPENBSD)
511	>	proc_state_ptr->time_spent =
512	>	kp_stats[i].kp_proc.p_rtime.tv_sec;
513	>	#elif defined(DFBSD)
514	>	proc_state_ptr->time_spent =
515	>	( kp_stats[i].kp_thread.td_uticks +
516	>	kp_stats[i].kp_thread.td_sticks +
517	>	kp_stats[i].kp_thread.td_iticks ) / 1000000;
518	>	#else
519	>	/* This is in microseconds */
520	>	proc_state_ptr->time_spent =
521	>	kp_stats[i].kp_proc.p_runtime / 1000000;
522	>	#endif
523	>	proc_state_ptr->cpu_percent =
524	>	((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
525	>	proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
526	>	#endif
527	>
528	>	#ifdef NETBSD2
529	>	{
530	>	size_t size;
531	>	int mib[5];
532	>
533	>	mib[0] = CTL_KERN;
534	>	mib[1] = KERN_LWP;
535	>	mib[2] = kp_stats[i].kp_proc.p_pid;
536	>	mib[3] = sizeof(struct kinfo_lwp);
537	>	mib[4] = 0;
538	>
539	>	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
540	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
541	>	return NULL;
542	>	}
543	>
544	>	lwps = size / sizeof(struct kinfo_lwp);
545	>	mib[4] = lwps;
546	>
547	>	kl_stats = sg_malloc(size);
548	>	if(kl_stats == NULL) {
549	>	return NULL;
550	>	}
551	>
552	>	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
553	>	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
554	>	return NULL;
555	>	}
556	>	}
557	>
558	>	switch(kp_stats[i].kp_proc.p_stat) {
559	>	case SIDL:
560	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
561	>	break;
562	>	case SACTIVE:
563	>	{
564	>	int i;
565	>
566	>	for(i = 0; i < lwps; i++) {
567	>	switch(kl_stats[i].l_stat) {
568	>	case LSONPROC:
569	>	case LSRUN:
570	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
571	>	goto end;
572	>	case LSSLEEP:
573	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
574	>	goto end;
575	>	case LSSTOP:
576	>	case LSSUSPENDED:
577	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
578	>	goto end;
579	>	}
580	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
581	>	}
582	>	end: ;
583	>	}
584	>	break;
585	>	case SSTOP:
586	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
587	>	break;
588	>	case SZOMB:
589	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
590	>	break;
591	>	default:
592	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
593	>	break;
594	>	}
595	>	#else
596	>	#ifdef FREEBSD5
597	>	switch (kp_stats[i].ki_stat) {
598	>	#else
599	>	switch (kp_stats[i].kp_proc.p_stat) {
600	>	#endif
601	>	case SIDL:
602	>	case SRUN:
603	>	#ifdef SONPROC
604	>	case SONPROC: /* NetBSD */
605	>	#endif
606	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
607	>	break;
608	>	case SSLEEP:
609	>	#ifdef SWAIT
610	>	case SWAIT: /* FreeBSD 5 */
611	>	#endif
612	>	#ifdef SLOCK
613	>	case SLOCK: /* FreeBSD 5 */
614	>	#endif
615	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
616	>	break;
617	>	case SSTOP:
618	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
619	>	break;
620	>	case SZOMB:
621	>	#ifdef SDEAD
622	>	case SDEAD: /* OpenBSD & NetBSD */
623	>	#endif
624	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
625	>	break;
626	>	default:
627	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
628	>	break;
629	>	}
630	>	#endif
631	>	proc_state_size++;
632	>	}
633	>
634	>	free(kp_stats);
635	>	#endif
636	>
637	>	#ifdef CYGWIN
638	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
639	>	return NULL;
640	>	#endif
641	>
642	>	*entries = proc_state_size;
643	>	return proc_state;
644	>	}
645	>
646	>	sg_process_count *sg_get_process_count() {
647	>	static sg_process_count process_stat;
648	>	sg_process_stats *ps;
649	>	int ps_size, x;
650	>
651	>	process_stat.sleeping = 0;
652	>	process_stat.running = 0;
653	>	process_stat.zombie = 0;
654	>	process_stat.stopped = 0;
655	>	process_stat.total = 0;
656	>
657	>	ps = sg_get_process_stats(&ps_size);
658	>	if (ps == NULL) {
659	>	return NULL;
660	>	}
661	>
662	>	for(x = 0; x < ps_size; x++) {
663	>	switch (ps->state) {
664	>	case SG_PROCESS_STATE_RUNNING:
665	>	process_stat.running++;
666	>	break;
667	>	case SG_PROCESS_STATE_SLEEPING:
668	>	process_stat.sleeping++;
669	>	break;
670	>	case SG_PROCESS_STATE_STOPPED:
671	>	process_stat.stopped++;
672	>	break;
673	>	case SG_PROCESS_STATE_ZOMBIE:
674	>	process_stat.zombie++;
675	>	break;
676	>	default:
677	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
678	>	* sg_process_count */
679	>	break;
680	>	}
681	>	ps++;
682	>	}
683	>
684	>	process_stat.total = ps_size;
685	>
686	>	return &process_stat;
687	>	}
688	>
689	>	int sg_process_compare_name(const void *va, const void *vb) {
690	>	const sg_process_stats *a = (sg_process_stats *)va;
691	>	const sg_process_stats *b = (sg_process_stats *)vb;
692	>
693	>	return strcmp(a->process_name, b->process_name);
694	>	}
695	>
696	>	int sg_process_compare_pid(const void *va, const void *vb) {
697	>	const sg_process_stats *a = (sg_process_stats *)va;
698	>	const sg_process_stats *b = (sg_process_stats *)vb;
699	>
700	>	if (a->pid < b->pid) {
701	>	return -1;
702	>	} else if (a->pid == b->pid) {
703	>	return 0;
704	>	} else {
705	>	return 1;
706	>	}
707	>	}
708	>
709	>	int sg_process_compare_uid(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->uid < b->uid) {
714	>	return -1;
715	>	} else if (a->uid == b->uid) {
716	>	return 0;
717	>	} else {
718	>	return 1;
719	>	}
720	>	}
721	>
722	>	int sg_process_compare_gid(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->gid < b->gid) {
727	>	return -1;
728	>	} else if (a->gid == b->gid) {
729	>	return 0;
730	>	} else {
731	>	return 1;
732	>	}
733	>	}
734	>
735	>	int sg_process_compare_size(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->proc_size < b->proc_size) {
740	>	return -1;
741	>	} else if (a->proc_size == b->proc_size) {
742	>	return 0;
743	>	} else {
744	>	return 1;
745	>	}
746	>	}
747	>
748	>	int sg_process_compare_res(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_resident < b->proc_resident) {
753	>	return -1;
754	>	} else if (a->proc_resident == b->proc_resident) {
755	>	return 0;
756	>	} else {
757	>	return 1;
758	>	}
759	>	}
760	>
761	>	int sg_process_compare_cpu(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->cpu_percent < b->cpu_percent) {
766	>	return -1;
767	>	} else if (a->cpu_percent == b->cpu_percent) {
768	>	return 0;
769	>	} else {
770	>	return 1;
771	>	}
772	>	}
773	>
774	>	int sg_process_compare_time(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->time_spent < b->time_spent) {
779	>	return -1;
780	>	} else if (a->time_spent == b->time_spent) {
781	>	return 0;
782	>	} else {
783	>	return 1;
784	>	}
785		}
786

Diff Legend

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