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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 1.45 by tdb, Sun Apr 4 23:35:45 2004 UTC vs.
Revision 1.73 by tdb, Mon Jun 21 14:48:48 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 49 | Line 51
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 63 | Line 66
66		#include <limits.h>
67		#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
68		#include <kvm.h>
66	–	#include <tools.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;
#	Line 80 | Line 96 | int get_proc_snapshot(proc_state_t **ps){
96		char *proctitle;
97		#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
98		kvm_t *kvmd;
99	<	char **args;
100	<	int alloc;
85	<	char *proctitletmp;
99	>	char **args, **argsp;
100	>	int argslen = 0;
101		#else
102		long buflen;
103	<	char *p;
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
#	Line 101 | Line 120 | int get_proc_snapshot(proc_state_t **ps){
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	<	static char *psargs = NULL;
124	<	static int psarg_size = 0;
106	<	unsigned long stime, utime;
123	>	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
124	>	unsigned long stime, utime, starttime;
125		int x;
126		int fn;
127	<	int toread;
128	<	ssize_t size;
129	<	int t_read;
127	>	int len;
128	>	int rc;
129	>	time_t uptime;
130		#endif
131
132	<	if((proc_dir=opendir(PROC_LOCATION))==NULL){
133	<	return -1;
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		#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	<	}
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	+
173		#ifdef SOLARIS
174		proc_state_ptr->pid = process_info.pr_pid;
175		proc_state_ptr->parent = process_info.pr_ppid;
#	Line 147 | 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 %*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));
203	<	proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize();
204	<	if(s == 'S') proc_state_ptr->state = SLEEPING;
205	<	if(s == 'R') proc_state_ptr->state = RUNNING;
206	<	if(s == 'Z') proc_state_ptr->state = ZOMBIE;
207	<	if(s == 'T') proc_state_ptr->state = STOPPED;
208	<	if(s == 'D') proc_state_ptr->state = STOPPED;
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';
171	–	proc_state_ptr->process_name = strdup(&ps_name[1]);
214
215	<	/* Need to do cpu */
216	<
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;
183	<	}
184	<	#define         PSARG_START_SIZE 128
185	<	if(psargs == NULL){
186	<	psargs = malloc(PSARG_START_SIZE);
187	<	psarg_size = PSARG_START_SIZE;
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	<	ptr = psargs;
256	<	t_read = 0;
257	<	toread = psarg_size;
258	<	while((size = read(fn, ptr, toread)) == toread){
259	<	psargs = realloc(psargs, (psarg_size + PSARG_START_SIZE));
260	<	ptr = psargs+psarg_size;
261	<	t_read = psarg_size;
262	<	psarg_size+=PSARG_START_SIZE;
263	<	toread = PSARG_START_SIZE;
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		}
199	–	if(size != -1) t_read+=size;
273
274	+	/* Turn \0s into spaces within the command line. */
275		ptr = psargs;
276	<	for(x=0; x<t_read; x++){
276	>	for(x = 0; x < len; x++) {
277		if (*ptr == '\0') *ptr = ' ';
278		ptr++;
279		}
206	–	/*  for safety sake */
207	–	psargs[t_read] = '\0';
280
281	<	proc_state_ptr->proctitle = strdup(psargs);
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	<	fclose(f);
216	<	}
217	<	closedir(proc_dir);
300	>	}
301	>	closedir(proc_dir);
302		#endif
303
304		#ifdef ALLBSD
#	Line 223 | Line 307 | int get_proc_snapshot(proc_state_t **ps){
307		mib[2] = KERN_PROC_ALL;
308
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		procs = size / sizeof(struct kinfo_proc);
315
316	<	kp_stats = malloc(size);
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 = get_kvm2();
329	>	kvmd = sg_get_kvm2();
330		#endif
331
332		for (i = 0; i < procs; i++) {
333	<	/* replace with something more sensible */
247	<	proc_state = realloc(proc_state,
248	<	(1+proc_state_size)*sizeof(proc_state_t));
249	<	if(proc_state == NULL ) {
250	<	return NULL;
251	<	}
252	<	proc_state_ptr = proc_state+proc_state_size;
333	>	const char *name;
334
335		#ifdef FREEBSD5
336	<	proc_state_ptr->process_name =
256	<	strdup(kp_stats[i].ki_comm);
257	<	#elif defined(DFBSD)
258	<	proc_state_ptr->process_name =
259	<	strdup(kp_stats[i].kp_thread.td_comm);
336	>	if (kp_stats[i].ki_stat == 0) {
337		#else
338	<	proc_state_ptr->process_name =
262	<	strdup(kp_stats[i].kp_proc.p_comm);
338	>	if (kp_stats[i].kp_proc.p_stat == 0) {
339		#endif
340	<
341	<	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
342	<	size = sizeof(buflen);
343	<
344	<	#ifdef FREEBSD5
345	<	if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
270	<	return NULL;
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		}
272	–	#else
273	–	mib[1] = KERN_ARGMAX;
347
348	<	if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
348	>	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
349		return NULL;
350		}
351	<	#endif
351	>	proc_state_ptr = proc_state+proc_state_size;
352
353	<	proctitle = malloc(buflen);
354	<	if(proctitle == NULL) {
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	<	size = buflen;
364	>	#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
365
366		#ifdef FREEBSD5
367		mib[2] = KERN_PROC_ARGS;
#	Line 293 | Line 372 | int get_proc_snapshot(proc_state_t **ps){
372		mib[3] = KERN_PROC_ARGV;
373		#endif
374
375	<	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
376	<	free(proctitle);
377	<	proc_state_ptr->proctitle = NULL;
378	<	}
379	<	else if(size > 0) {
380	<	proc_state_ptr->proctitle = malloc(size+1);
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] = NULL;
415	>	#ifdef OPENBSD
416	>	/* On OpenBSD, this value has the argv pointers (which
417	>	* are terminated by a NULL) at the front, so we have
418	>	* to skip over them to get to the strings. */
419	>	while (*(char ***)p != NULL) {
420	>	p += sizeof(char **);
421	>	}
422	>	p += sizeof(char **);
423	>	#endif
424	>	proc_state_ptr->proctitle[0] = '\0';
425		do {
426	<	strlcat(proc_state_ptr->proctitle, p, size+1);
427	<	strlcat(proc_state_ptr->proctitle, " ", size+1);
426	>	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
427	>	sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
428		p += strlen(p) + 1;
429		} while (p < proctitle + size);
430		free(proctitle);
431	+	proctitle = NULL;
432		/* remove trailing space */
433		proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
434		}
435		else {
436	<	free(proctitle);
436	>	if(proctitle != NULL) {
437	>	free(proctitle);
438	>	proctitle = NULL;
439	>	}
440		proc_state_ptr->proctitle = NULL;
441		}
442		#else
443	+	free(proc_state_ptr->proctitle);
444	+	proc_state_ptr->proctitle = NULL;
445		if(kvmd != NULL) {
446		args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
447		if(args != NULL) {
448	<	alloc = 1;
449	<	proctitle = malloc(alloc);
448	>	argsp = args;
449	>	while(*argsp != NULL) {
450	>	argslen += strlen(*argsp) + 1;
451	>	argsp++;
452	>	}
453	>	proctitle = sg_malloc(argslen + 1);
454	>	proctitle[0] = '\0';
455		if(proctitle == NULL) {
456		return NULL;
457		}
458		while(*args != NULL) {
459	<	if(strlen(proctitle) + strlen(*args) >= alloc) {
460	<	alloc = (alloc + strlen(*args)) * 2;
332	<	proctitletmp = realloc(proctitle, alloc);
333	<	if(proctitletmp == NULL) {
334	<	return NULL;
335	<	}
336	<	proctitle = proctitletmp;
337	<	}
338	<	strlcat(proctitle, *args, alloc);
339	<	strlcat(proctitle, " ", alloc);
459	>	sg_strlcat(proctitle, *args, argslen + 1);
460	>	sg_strlcat(proctitle, " ", argslen + 1);
461		args++;
462		}
463		/* remove trailing space */
#	Line 413 | Line 534 | int get_proc_snapshot(proc_state_t **ps){
534		proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
535		#endif
536
537	+	#ifdef NETBSD2
538	+	{
539	+	size_t size;
540	+	int mib[5];
541	+
542	+	mib[0] = CTL_KERN;
543	+	mib[1] = KERN_LWP;
544	+	mib[2] = kp_stats[i].kp_proc.p_pid;
545	+	mib[3] = sizeof(struct kinfo_lwp);
546	+	mib[4] = 0;
547	+
548	+	if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
549	+	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0");
550	+	return NULL;
551	+	}
552	+
553	+	lwps = size / sizeof(struct kinfo_lwp);
554	+	mib[4] = lwps;
555	+
556	+	kl_stats = sg_malloc(size);
557	+	if(kl_stats == NULL) {
558	+	return NULL;
559	+	}
560	+
561	+	if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
562	+	sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize");
563	+	return NULL;
564	+	}
565	+	}
566	+
567	+	switch(kp_stats[i].kp_proc.p_stat) {
568	+	case SIDL:
569	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
570	+	break;
571	+	case SACTIVE:
572	+	{
573	+	int i;
574	+
575	+	for(i = 0; i < lwps; i++) {
576	+	switch(kl_stats[i].l_stat) {
577	+	case LSONPROC:
578	+	case LSRUN:
579	+	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
580	+	goto end;
581	+	case LSSLEEP:
582	+	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
583	+	goto end;
584	+	case LSSTOP:
585	+	case LSSUSPENDED:
586	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
587	+	goto end;
588	+	}
589	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
590	+	}
591	+	end: ;
592	+	}
593	+	break;
594	+	case SSTOP:
595	+	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
596	+	break;
597	+	case SZOMB:
598	+	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
599	+	break;
600	+	default:
601	+	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
602	+	break;
603	+	}
604	+
605	+	free(kl_stats);
606	+	#else
607		#ifdef FREEBSD5
608		switch (kp_stats[i].ki_stat) {
609		#else
#	Line 423 | Line 614 | int get_proc_snapshot(proc_state_t **ps){
614		#ifdef SONPROC
615		case SONPROC: /* NetBSD */
616		#endif
617	<	proc_state_ptr->state = RUNNING;
617	>	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
618		break;
619		case SSLEEP:
620		#ifdef SWAIT
#	Line 432 | Line 623 | int get_proc_snapshot(proc_state_t **ps){
623		#ifdef SLOCK
624		case SLOCK: /* FreeBSD 5 */
625		#endif
626	<	proc_state_ptr->state = SLEEPING;
626	>	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
627		break;
628		case SSTOP:
629	<	proc_state_ptr->state = STOPPED;
629	>	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
630		break;
631		case SZOMB:
632		#ifdef SDEAD
633		case SDEAD: /* OpenBSD & NetBSD */
634		#endif
635	<	proc_state_ptr->state = ZOMBIE;
635	>	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
636		break;
637		default:
638	<	proc_state_ptr->state = UNKNOWN;
638	>	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
639		break;
640		}
641	+	#endif
642		proc_state_size++;
643		}
644
645		free(kp_stats);
646		#endif
647
648	<	*ps = proc_state;
649	<	return proc_state_size;
648	>	#ifdef CYGWIN
649	>	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
650	>	return NULL;
651	>	#endif
652	>
653	>	*entries = proc_state_size;
654	>	return proc_state;
655		}
656
657	<	process_stat_t *get_process_stats() {
658	<	static process_stat_t process_stat;
659	<	proc_state_t *ps;
657	>	sg_process_count *sg_get_process_count() {
658	>	static sg_process_count process_stat;
659	>	sg_process_stats *ps;
660		int ps_size, x;
661
662		process_stat.sleeping = 0;
#	Line 468 | Line 665 | process_stat_t *get_process_stats() {
665		process_stat.stopped = 0;
666		process_stat.total = 0;
667
668	<	ps_size = get_proc_snapshot(&ps);
669	<
473	<	if(ps_size == 0) {
668	>	ps = sg_get_process_stats(&ps_size);
669	>	if (ps == NULL) {
670		return NULL;
671		}
672
673		for(x = 0; x < ps_size; x++) {
674		switch (ps->state) {
675	<	case RUNNING:
675	>	case SG_PROCESS_STATE_RUNNING:
676		process_stat.running++;
677		break;
678	<	case SLEEPING:
678	>	case SG_PROCESS_STATE_SLEEPING:
679		process_stat.sleeping++;
680		break;
681	<	case STOPPED:
681	>	case SG_PROCESS_STATE_STOPPED:
682		process_stat.stopped++;
683		break;
684	<	case ZOMBIE:
684	>	case SG_PROCESS_STATE_ZOMBIE:
685		process_stat.zombie++;
686		break;
687		default:
688	<	/* currently no mapping for UNKNOWN in process_stat_t */
688	>	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
689	>	* sg_process_count */
690		break;
691		}
692		ps++;
#	Line 499 | Line 696 | process_stat_t *get_process_stats() {
696
697		return &process_stat;
698		}
699	+
700	+	int sg_process_compare_name(const void *va, const void *vb) {
701	+	const sg_process_stats *a = (sg_process_stats *)va;
702	+	const sg_process_stats *b = (sg_process_stats *)vb;
703	+
704	+	return strcmp(a->process_name, b->process_name);
705	+	}
706	+
707	+	int sg_process_compare_pid(const void *va, const void *vb) {
708	+	const sg_process_stats *a = (sg_process_stats *)va;
709	+	const sg_process_stats *b = (sg_process_stats *)vb;
710	+
711	+	if (a->pid < b->pid) {
712	+	return -1;
713	+	} else if (a->pid == b->pid) {
714	+	return 0;
715	+	} else {
716	+	return 1;
717	+	}
718	+	}
719	+
720	+	int sg_process_compare_uid(const void *va, const void *vb) {
721	+	const sg_process_stats *a = (sg_process_stats *)va;
722	+	const sg_process_stats *b = (sg_process_stats *)vb;
723	+
724	+	if (a->uid < b->uid) {
725	+	return -1;
726	+	} else if (a->uid == b->uid) {
727	+	return 0;
728	+	} else {
729	+	return 1;
730	+	}
731	+	}
732	+
733	+	int sg_process_compare_gid(const void *va, const void *vb) {
734	+	const sg_process_stats *a = (sg_process_stats *)va;
735	+	const sg_process_stats *b = (sg_process_stats *)vb;
736	+
737	+	if (a->gid < b->gid) {
738	+	return -1;
739	+	} else if (a->gid == b->gid) {
740	+	return 0;
741	+	} else {
742	+	return 1;
743	+	}
744	+	}
745	+
746	+	int sg_process_compare_size(const void *va, const void *vb) {
747	+	const sg_process_stats *a = (sg_process_stats *)va;
748	+	const sg_process_stats *b = (sg_process_stats *)vb;
749	+
750	+	if (a->proc_size < b->proc_size) {
751	+	return -1;
752	+	} else if (a->proc_size == b->proc_size) {
753	+	return 0;
754	+	} else {
755	+	return 1;
756	+	}
757	+	}
758	+
759	+	int sg_process_compare_res(const void *va, const void *vb) {
760	+	const sg_process_stats *a = (sg_process_stats *)va;
761	+	const sg_process_stats *b = (sg_process_stats *)vb;
762	+
763	+	if (a->proc_resident < b->proc_resident) {
764	+	return -1;
765	+	} else if (a->proc_resident == b->proc_resident) {
766	+	return 0;
767	+	} else {
768	+	return 1;
769	+	}
770	+	}
771	+
772	+	int sg_process_compare_cpu(const void *va, const void *vb) {
773	+	const sg_process_stats *a = (sg_process_stats *)va;
774	+	const sg_process_stats *b = (sg_process_stats *)vb;
775	+
776	+	if (a->cpu_percent < b->cpu_percent) {
777	+	return -1;
778	+	} else if (a->cpu_percent == b->cpu_percent) {
779	+	return 0;
780	+	} else {
781	+	return 1;
782	+	}
783	+	}
784	+
785	+	int sg_process_compare_time(const void *va, const void *vb) {
786	+	const sg_process_stats *a = (sg_process_stats *)va;
787	+	const sg_process_stats *b = (sg_process_stats *)vb;
788	+
789	+	if (a->time_spent < b->time_spent) {
790	+	return -1;
791	+	} else if (a->time_spent == b->time_spent) {
792	+	return 0;
793	+	} else {
794	+	return 1;
795	+	}
796	+	}
797	+

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