src/libstatgrab/process_stats.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id: process_stats.c,v 1.58 2004/04/06 16:29:44 pajs Exp $
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "statgrab.h"
#include "tools.h"
#include "vector.h"
#if defined(SOLARIS) || defined(LINUX)
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#endif

#ifdef SOLARIS
#include <procfs.h>
#include <limits.h>
#define PROC_LOCATION "/proc"
#define MAX_FILE_LENGTH PATH_MAX
#endif
#ifdef LINUX
#include <limits.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#define PROC_LOCATION "/proc"
#define MAX_FILE_LENGTH PATH_MAX
#endif
#ifdef ALLBSD
#include <stdlib.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#if defined(FREEBSD) || defined(DFBSD)
#include <sys/user.h>
#else
#include <sys/proc.h>
#endif
#include <string.h>
#include <paths.h>
#include <fcntl.h>
#include <limits.h>
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
#include <kvm.h>
#endif
#include <unistd.h>
#ifdef NETBSD2
#include <sys/lwp.h>
#endif
#endif

static void proc_state_init(sg_process_stats *s) {
        s->process_name = NULL;
        s->proctitle = NULL;
}

static void proc_state_destroy(sg_process_stats *s) {
        free(s->process_name);
        free(s->proctitle);
}

sg_process_stats *sg_get_process_stats(int *entries){
        VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
                              proc_state_init, proc_state_destroy);
        int proc_state_size = 0;
        sg_process_stats *proc_state_ptr;
#ifdef ALLBSD
        int mib[4];
        size_t size;
        struct kinfo_proc *kp_stats;
        int procs, i;
        char *proctitle;
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
        kvm_t *kvmd;
        char **args, **argsp;
        int argslen = 0;
#else
        long buflen;
        char *p;
#endif
#ifdef NETBSD2
        int lwps;
        struct kinfo_lwp *kl_stats;
#endif
#endif
#if defined(SOLARIS) || defined(LINUX)
        DIR *proc_dir;
        struct dirent *dir_entry;
        char filename[MAX_FILE_LENGTH];
        FILE *f;
#ifdef SOLARIS
        psinfo_t process_info;
#endif
#ifdef LINUX
        char s;
        /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
        char ps_name[4096];
        char *ptr;
        VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
        unsigned long stime, utime, starttime;
        int x;
        int fn;
        int len;
        int rc;
        time_t uptime;
#endif

#ifdef LINUX
        if ((f=fopen("/proc/uptime", "r")) == NULL) {
                return NULL;
        }
        if((fscanf(f,"%lu %*d",&uptime)) != 1){
                return NULL;
        }
        fclose(f);
#endif

        if((proc_dir=opendir(PROC_LOCATION))==NULL){
                return NULL;
        }

        while((dir_entry=readdir(proc_dir))!=NULL){
                if(atoi(dir_entry->d_name) == 0) continue;

#ifdef SOLARIS
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
#endif
#ifdef LINUX
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
#endif
                if((f=fopen(filename, "r"))==NULL){
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }
#ifdef SOLARIS
                fread(&process_info, sizeof(psinfo_t), 1, f);
#endif

                if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
                        return NULL;
                }
                proc_state_ptr = proc_state+proc_state_size;

#ifdef SOLARIS          
                proc_state_ptr->pid = process_info.pr_pid;
                proc_state_ptr->parent = process_info.pr_ppid;
                proc_state_ptr->pgid = process_info.pr_pgid;
                proc_state_ptr->uid = process_info.pr_uid;
                proc_state_ptr->euid = process_info.pr_euid;
                proc_state_ptr->gid = process_info.pr_gid;
                proc_state_ptr->egid = process_info.pr_egid;
                proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
                proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
                proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
                proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
                proc_state_ptr->process_name = strdup(process_info.pr_fname);
                proc_state_ptr->proctitle = strdup(process_info.pr_psargs);

                if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
                if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; 
                if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; 
                if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; 
#endif
#ifdef LINUX
                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));
                /* +3 becuase man page says "Resident  Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
                proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
                if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
        
                /* pa_name[0] should = '(' */
                ptr = strchr(&ps_name[1], ')'); 
                if(ptr !=NULL) *ptr='\0';

                if (sg_update_string(&proc_state_ptr->process_name,
                                     &ps_name[1]) < 0) {
                        return NULL;
                }

                /* cpu */
                proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
                printf("%s  ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);

                fclose(f);

                /* proctitle */ 
                snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);

                if((fn=open(filename, O_RDONLY)) == -1){
                        /* Open failed.. Process since vanished, or the path was too long.
                         * Ah well, move onwards to the next one */
                        continue;
                }

#define READ_BLOCK_SIZE 128
                len = 0;
                do {
                        if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
                                return NULL;
                        }
                        rc = read(fn, psargs + len, READ_BLOCK_SIZE);
                        if (rc > 0) {
                                len += rc;
                        }
                } while (rc == READ_BLOCK_SIZE);
                close(fn);

                if (rc == -1) {
                        /* Read failed; move on. */
                        continue;
                }

                /* Turn \0s into spaces within the command line. */
                ptr = psargs;
                for(x = 0; x < len; x++) {
                        if (*ptr == '\0') *ptr = ' ';
                        ptr++;
                }

                if (len == 0) {
                        /* We want psargs to be NULL. */
                        if (VECTOR_RESIZE(psargs, 0) < 0) {
                                return NULL;
                        }
                } else {
                        /* Not empty, so append a \0. */
                        if (VECTOR_RESIZE(psargs, len + 1) < 0) {
                                return NULL;
                        }
                        psargs[len] = '\0';
                }

                if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
                        return NULL;
                }
#endif

                proc_state_size++;
        }
        closedir(proc_dir);
#endif

#ifdef ALLBSD
        mib[0] = CTL_KERN;
        mib[1] = KERN_PROC;
        mib[2] = KERN_PROC_ALL;

        if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
                return NULL;
        }

        procs = size / sizeof(struct kinfo_proc);

        kp_stats = malloc(size);
        if(kp_stats == NULL) {
                return NULL;
        }
        memset(kp_stats, 0, size);

        if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
                free(kp_stats);
                return NULL;
        }

#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD)
        kvmd = sg_get_kvm2();
#endif

        for (i = 0; i < procs; i++) {
                const char *name;

#ifdef FREEBSD5
                if (kp_stats[i].ki_stat == 0) {
#else
                if (kp_stats[i].kp_proc.p_stat == 0) {
#endif
                        /* FreeBSD 5 deliberately overallocates the array that
                         * the sysctl returns, so we'll get a few junk
                         * processes on the end that we have to ignore. (Search
                         * for "overestimate by 5 procs" in
                         * src/sys/kern/kern_proc.c for more details.) */
                        continue;
                }

                if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
                        return NULL;
                }
                proc_state_ptr = proc_state+proc_state_size;

#ifdef FREEBSD5
                name = kp_stats[i].ki_comm;
#elif defined(DFBSD)
                name = kp_stats[i].kp_thread.td_comm;
#else
                name = kp_stats[i].kp_proc.p_comm;
#endif
                if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
                        return NULL;
                }

#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD)
                size = sizeof(buflen);

#ifdef FREEBSD5
                if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
                        return NULL;
                }
#else
                /* FIXME - this value can be too large on some of
                   the BSD's, which causes sysctl not to return
                   anything. Maybe we need something smaller? */
                mib[1] = KERN_ARGMAX;

                if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
                        return NULL;
                }
#endif

                proctitle = malloc(buflen);
                if(proctitle == NULL) {
                        return NULL;
                }

                size = buflen;

#ifdef FREEBSD5
                mib[2] = KERN_PROC_ARGS;
                mib[3] = kp_stats[i].ki_pid;
#else
                mib[1] = KERN_PROC_ARGS;
                mib[2] = kp_stats[i].kp_proc.p_pid;
                mib[3] = KERN_PROC_ARGV;
#endif

                free(proc_state_ptr->proctitle);
                if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
                        free(proctitle);
                        proc_state_ptr->proctitle = NULL;
                }
                else if(size > 0) {
                        proc_state_ptr->proctitle = malloc(size+1);
                        if(proc_state_ptr->proctitle == NULL) {
                                return NULL;
                        }
                        p = proctitle;
                        proc_state_ptr->proctitle[0] = '\0';
                        do {
                                sg_strlcat(proc_state_ptr->proctitle, p, size+1);
                                sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
                                p += strlen(p) + 1;
                        } while (p < proctitle + size);
                        free(proctitle);
                        /* remove trailing space */
                        proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
                }
                else {
                        free(proctitle);
                        proc_state_ptr->proctitle = NULL;
                }
#else
                free(proc_state_ptr->proctitle);
                if(kvmd != NULL) {
                        args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
                        if(args != NULL) {
                                argsp = args;
                                while(*argsp != NULL) {
                                        argslen += strlen(*argsp) + 1;
                                        argsp++;
                                }
                                proctitle = malloc(argslen + 1);
                                proctitle[0] = '\0';
                                if(proctitle == NULL) {
                                        return NULL;
                                }
                                while(*args != NULL) {
                                        sg_strlcat(proctitle, *args, argslen + 1);
                                        sg_strlcat(proctitle, " ", argslen + 1);
                                        args++;
                                }
                                /* remove trailing space */
                                proctitle[strlen(proctitle)-1] = '\0';
                                proc_state_ptr->proctitle = proctitle;
                        }
                        else {
                                proc_state_ptr->proctitle = NULL;
                        }
                }
                else {
                        proc_state_ptr->proctitle = NULL;
                }
#endif

#ifdef FREEBSD5
                proc_state_ptr->pid = kp_stats[i].ki_pid;
                proc_state_ptr->parent = kp_stats[i].ki_ppid;
                proc_state_ptr->pgid = kp_stats[i].ki_pgid;
#else
                proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
                proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
                proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
#endif

#ifdef FREEBSD5
                proc_state_ptr->uid = kp_stats[i].ki_ruid;
                proc_state_ptr->euid = kp_stats[i].ki_uid;
                proc_state_ptr->gid = kp_stats[i].ki_rgid;
                proc_state_ptr->egid = kp_stats[i].ki_svgid;
#elif defined(DFBSD)
                proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
                proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
                proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
                proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
#else
                proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
                proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
                proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
                proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
#endif

#ifdef FREEBSD5
                proc_state_ptr->proc_size = kp_stats[i].ki_size;
                /* This is in pages */
                proc_state_ptr->proc_resident =
                        kp_stats[i].ki_rssize * getpagesize();
                /* This is in microseconds */
                proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
                proc_state_ptr->cpu_percent =
                        ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
                proc_state_ptr->nice = kp_stats[i].ki_nice;
#else
                proc_state_ptr->proc_size =
                        kp_stats[i].kp_eproc.e_vm.vm_map.size;
                /* This is in pages */
                proc_state_ptr->proc_resident =
                        kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
#if defined(NETBSD) || defined(OPENBSD)
                proc_state_ptr->time_spent =
                        kp_stats[i].kp_proc.p_rtime.tv_sec;
#elif defined(DFBSD)
                proc_state_ptr->time_spent = 
                        ( kp_stats[i].kp_thread.td_uticks +
                        kp_stats[i].kp_thread.td_sticks +
                        kp_stats[i].kp_thread.td_iticks ) / 1000000;
#else
                /* This is in microseconds */
                proc_state_ptr->time_spent =
                        kp_stats[i].kp_proc.p_runtime / 1000000;
#endif
                proc_state_ptr->cpu_percent =
                        ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
                proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
#endif

#ifdef NETBSD2
                {
                        size_t size;
                        int mib[5];

                        mib[0] = CTL_KERN;
                        mib[1] = KERN_LWP;
                        mib[2] = kp_stats[i].kp_proc.p_pid;
                        mib[3] = sizeof(struct kinfo_lwp);
                        mib[4] = 0;

                        if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
                                return NULL;
                        }

                        lwps = size / sizeof(struct kinfo_lwp);
                        mib[4] = lwps;

                        kl_stats = malloc(size);
                        if(kl_stats == NULL) {
                                return NULL;
                        }

                        if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
                                return NULL;
                        }
                }

                switch(kp_stats[i].kp_proc.p_stat) {
                case SIDL:
                        proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                        break;
                case SACTIVE:
                        {
                                int i;

                                for(i = 0; i < lwps; i++) {
                                        switch(kl_stats[i].l_stat) {
                                        case LSONPROC:
                                        case LSRUN:
                                                proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                                                goto end;
                                        case LSSLEEP:
                                                proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                                                goto end;
                                        case LSSTOP:
                                        case LSSUSPENDED:
                                                proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                                                goto end;
                                        }
                                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                                }
                                end: ;
                        }
                        break;
                case SSTOP:
                        proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                        break;
                case SZOMB:
                        proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                        break;
                default:
                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                        break;
                }
#else
#ifdef FREEBSD5
                switch (kp_stats[i].ki_stat) {
#else
                switch (kp_stats[i].kp_proc.p_stat) {
#endif
                case SIDL:
                case SRUN:
#ifdef SONPROC
                case SONPROC: /* NetBSD */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
                        break;
                case SSLEEP:
#ifdef SWAIT
                case SWAIT: /* FreeBSD 5 */
#endif
#ifdef SLOCK
                case SLOCK: /* FreeBSD 5 */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
                        break;
                case SSTOP:
                        proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
                        break;
                case SZOMB:
#ifdef SDEAD
                case SDEAD: /* OpenBSD & NetBSD */
#endif
                        proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
                        break;
                default:
                        proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
                        break;
                }
#endif
                proc_state_size++;
        }

        free(kp_stats);
#endif

#ifdef CYGWIN
        return NULL;
#endif

        *entries = proc_state_size;
        return proc_state;
}

sg_process_count *sg_get_process_count() {
        static sg_process_count process_stat;
        sg_process_stats *ps;
        int ps_size, x;

        process_stat.sleeping = 0;
        process_stat.running = 0;
        process_stat.zombie = 0;
        process_stat.stopped = 0;
        process_stat.total = 0;

        ps = sg_get_process_stats(&ps_size);
        if (ps == NULL) {
                return NULL;
        }

        for(x = 0; x < ps_size; x++) {
                switch (ps->state) {
                case SG_PROCESS_STATE_RUNNING:
                        process_stat.running++;
                        break;
                case SG_PROCESS_STATE_SLEEPING:
                        process_stat.sleeping++;
                        break;
                case SG_PROCESS_STATE_STOPPED:
                        process_stat.stopped++;
                        break;
                case SG_PROCESS_STATE_ZOMBIE:
                        process_stat.zombie++;
                        break;
                default:
                        /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
                         * sg_process_count */
                        break;
                }
                ps++;
        }

        process_stat.total = ps_size;

        return &process_stat;
}
Revision:	1.59
Committed:	Tue Apr 6 21:08:03 2004 UTC (20 years, 1 month ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.58:	+1 -2 lines
Log Message:	Fix a couple of includes.
#	User	Rev	Content
1	tdb	1.17	/*
2	tdb	1.57	* i-scream libstatgrab
3	tdb	1.8	* http://www.i-scream.org
4	tdb	1.17	* Copyright (C) 2000-2004 i-scream
5	pajs	1.1	*
6	tdb	1.17	* 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	pajs	1.1	*
11	tdb	1.17	* This library is distributed in the hope that it will be useful,
12	pajs	1.1	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	tdb	1.17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15	pajs	1.1	*
16	tdb	1.17	* 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	tdb	1.18	*
21	tdb	1.59	* $Id: process_stats.c,v 1.58 2004/04/06 16:29:44 pajs Exp $
22	pajs	1.1	*/
23
24			#ifdef HAVE_CONFIG_H
25			#include "config.h"
26			#endif
27
28	pajs	1.6	#include "statgrab.h"
29	ats	1.48	#include "tools.h"
30			#include "vector.h"
31	pajs	1.6	#if defined(SOLARIS) \|\| defined(LINUX)
32	pajs	1.1	#include <stdio.h>
33			#include <stdlib.h>
34	pajs	1.5	#include <sys/types.h>
35			#include <dirent.h>
36			#include <string.h>
37	pajs	1.6	#endif
38	pajs	1.1
39			#ifdef SOLARIS
40			#include <procfs.h>
41			#include <limits.h>
42	pajs	1.5	#define PROC_LOCATION "/proc"
43			#define MAX_FILE_LENGTH PATH_MAX
44			#endif
45			#ifdef LINUX
46	ats	1.16	#include <limits.h>
47	pajs	1.25	#include <unistd.h>
48			#include <sys/stat.h>
49			#include <fcntl.h>
50	pajs	1.1	#define PROC_LOCATION "/proc"
51			#define MAX_FILE_LENGTH PATH_MAX
52			#endif
53	ats	1.13	#ifdef ALLBSD
54	tdb	1.19	#include <stdlib.h>
55	pajs	1.6	#include <sys/param.h>
56			#include <sys/sysctl.h>
57	tdb	1.22	#if defined(FREEBSD) \|\| defined(DFBSD)
58			#include <sys/user.h>
59			#else
60	tdb	1.19	#include <sys/proc.h>
61	ats	1.13	#endif
62	tdb	1.29	#include <string.h>
63			#include <paths.h>
64			#include <fcntl.h>
65			#include <limits.h>
66	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
67	tdb	1.29	#include <kvm.h>
68	pajs	1.6	#endif
69	tdb	1.41	#include <unistd.h>
70	tdb	1.55	#ifdef NETBSD2
71			#include <sys/lwp.h>
72			#endif
73	tdb	1.41	#endif
74	pajs	1.1
75	ats	1.52	static void proc_state_init(sg_process_stats *s) {
76	ats	1.48	s->process_name = NULL;
77			s->proctitle = NULL;
78			}
79
80	ats	1.52	static void proc_state_destroy(sg_process_stats *s) {
81	ats	1.48	free(s->process_name);
82			free(s->proctitle);
83			}
84
85	ats	1.52	sg_process_stats sg_get_process_stats(int entries){
86			VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
87	ats	1.48	proc_state_init, proc_state_destroy);
88			int proc_state_size = 0;
89	ats	1.52	sg_process_stats *proc_state_ptr;
90	tdb	1.26	#ifdef ALLBSD
91	tdb	1.37	int mib[4];
92	tdb	1.26	size_t size;
93			struct kinfo_proc *kp_stats;
94	tdb	1.41	int procs, i;
95	tdb	1.45	char *proctitle;
96	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
97	tdb	1.42	kvm_t *kvmd;
98	tdb	1.50	char args, argsp;
99			int argslen = 0;
100	tdb	1.41	#else
101	tdb	1.37	long buflen;
102			char *p;
103			#endif
104	tdb	1.55	#ifdef NETBSD2
105			int lwps;
106			struct kinfo_lwp *kl_stats;
107			#endif
108	tdb	1.26	#endif
109	pajs	1.24	#if defined(SOLARIS) \|\| defined(LINUX)
110	pajs	1.23	DIR *proc_dir;
111			struct dirent *dir_entry;
112			char filename[MAX_FILE_LENGTH];
113			FILE *f;
114	pajs	1.24	#ifdef SOLARIS
115	pajs	1.5	psinfo_t process_info;
116	pajs	1.24	#endif
117	pajs	1.25	#ifdef LINUX
118			char s;
119			/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */
120			char ps_name[4096];
121			char *ptr;
122	ats	1.48	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
123	pajs	1.58	unsigned long stime, utime, starttime;
124	pajs	1.25	int x;
125			int fn;
126	ats	1.48	int len;
127			int rc;
128	pajs	1.58	time_t uptime;
129			#endif
130
131			#ifdef LINUX
132			if ((f=fopen("/proc/uptime", "r")) == NULL) {
133			return NULL;
134			}
135			if((fscanf(f,"%lu %*d",&uptime)) != 1){
136			return NULL;
137			}
138			fclose(f);
139	pajs	1.25	#endif
140	pajs	1.1
141	pajs	1.23	if((proc_dir=opendir(PROC_LOCATION))==NULL){
142	ats	1.52	return NULL;
143	pajs	1.23	}
144
145			while((dir_entry=readdir(proc_dir))!=NULL){
146			if(atoi(dir_entry->d_name) == 0) continue;
147
148	pajs	1.24	#ifdef SOLARIS
149	pajs	1.23	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
150	pajs	1.24	#endif
151	pajs	1.25	#ifdef LINUX
152			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
153			#endif
154	pajs	1.23	if((f=fopen(filename, "r"))==NULL){
155			/* Open failed.. Process since vanished, or the path was too long.
156			* Ah well, move onwards to the next one */
157			continue;
158			}
159	pajs	1.24	#ifdef SOLARIS
160	pajs	1.23	fread(&process_info, sizeof(psinfo_t), 1, f);
161	pajs	1.25	#endif
162	pajs	1.1
163	ats	1.48	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
164	ats	1.52	return NULL;
165	ats	1.48	}
166	pajs	1.23	proc_state_ptr = proc_state+proc_state_size;
167	ats	1.48
168	pajs	1.25	#ifdef SOLARIS
169	pajs	1.23	proc_state_ptr->pid = process_info.pr_pid;
170			proc_state_ptr->parent = process_info.pr_ppid;
171			proc_state_ptr->pgid = process_info.pr_pgid;
172			proc_state_ptr->uid = process_info.pr_uid;
173			proc_state_ptr->euid = process_info.pr_euid;
174			proc_state_ptr->gid = process_info.pr_gid;
175			proc_state_ptr->egid = process_info.pr_egid;
176			proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
177			proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
178			proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
179			proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
180			proc_state_ptr->process_name = strdup(process_info.pr_fname);
181			proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
182	pajs	1.24
183	ats	1.52	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
184			if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
185			if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
186			if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
187			if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
188	pajs	1.25	#endif
189			#ifdef LINUX
190	pajs	1.58	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));
191			/* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
192			proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
193	ats	1.52	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
194			if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
195			if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
196			if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
197			if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
198	pajs	1.25
199			/* pa_name[0] should = '(' */
200			ptr = strchr(&ps_name[1], ')');
201			if(ptr !=NULL) *ptr='\0';
202	ats	1.48
203	ats	1.52	if (sg_update_string(&proc_state_ptr->process_name,
204	ats	1.53	&ps_name[1]) < 0) {
205	ats	1.52	return NULL;
206	ats	1.48	}
207	pajs	1.25
208	pajs	1.58	/* cpu */
209			proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
210			printf("%s ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);
211	pajs	1.25
212	ats	1.48	fclose(f);
213
214	pajs	1.25	/* proctitle */
215			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
216
217			if((fn=open(filename, O_RDONLY)) == -1){
218			/* Open failed.. Process since vanished, or the path was too long.
219			* Ah well, move onwards to the next one */
220			continue;
221			}
222	ats	1.48
223			#define READ_BLOCK_SIZE 128
224			len = 0;
225			do {
226	ats	1.53	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
227	ats	1.52	return NULL;
228	ats	1.48	}
229			rc = read(fn, psargs + len, READ_BLOCK_SIZE);
230			if (rc > 0) {
231			len += rc;
232			}
233			} while (rc == READ_BLOCK_SIZE);
234			close(fn);
235
236			if (rc == -1) {
237			/* Read failed; move on. */
238			continue;
239	pajs	1.25	}
240
241	ats	1.48	/* Turn \0s into spaces within the command line. */
242	pajs	1.25	ptr = psargs;
243	ats	1.48	for(x = 0; x < len; x++) {
244	pajs	1.25	if (ptr == '\0') ptr = ' ';
245			ptr++;
246			}
247
248	ats	1.53	if (len == 0) {
249			/* We want psargs to be NULL. */
250			if (VECTOR_RESIZE(psargs, 0) < 0) {
251			return NULL;
252			}
253			} else {
254			/* Not empty, so append a \0. */
255			if (VECTOR_RESIZE(psargs, len + 1) < 0) {
256			return NULL;
257			}
258			psargs[len] = '\0';
259			}
260
261			if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
262	ats	1.52	return NULL;
263	ats	1.48	}
264	pajs	1.24	#endif
265	pajs	1.23
266			proc_state_size++;
267			}
268			closedir(proc_dir);
269	tdb	1.26	#endif
270
271			#ifdef ALLBSD
272	tdb	1.36	mib[0] = CTL_KERN;
273			mib[1] = KERN_PROC;
274			mib[2] = KERN_PROC_ALL;
275
276			if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
277	ats	1.52	return NULL;
278	tdb	1.36	}
279
280			procs = size / sizeof(struct kinfo_proc);
281
282			kp_stats = malloc(size);
283			if(kp_stats == NULL) {
284	ats	1.52	return NULL;
285	tdb	1.36	}
286	ats	1.54	memset(kp_stats, 0, size);
287	tdb	1.36
288			if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
289			free(kp_stats);
290	ats	1.52	return NULL;
291	tdb	1.36	}
292	tdb	1.33
293	tdb	1.37	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
294	ats	1.52	kvmd = sg_get_kvm2();
295	tdb	1.33	#endif
296	tdb	1.26
297			for (i = 0; i < procs; i++) {
298	ats	1.48	const char *name;
299	ats	1.54
300	tdb	1.55	#ifdef FREEBSD5
301	ats	1.54	if (kp_stats[i].ki_stat == 0) {
302	tdb	1.55	#else
303			if (kp_stats[i].kp_proc.p_stat == 0) {
304			#endif
305	ats	1.54	/* FreeBSD 5 deliberately overallocates the array that
306			* the sysctl returns, so we'll get a few junk
307			* processes on the end that we have to ignore. (Search
308			* for "overestimate by 5 procs" in
309			* src/sys/kern/kern_proc.c for more details.) */
310			continue;
311			}
312	ats	1.48
313			if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
314	ats	1.52	return NULL;
315	tdb	1.29	}
316	tdb	1.26	proc_state_ptr = proc_state+proc_state_size;
317	tdb	1.30
318			#ifdef FREEBSD5
319	ats	1.48	name = kp_stats[i].ki_comm;
320	tdb	1.35	#elif defined(DFBSD)
321	ats	1.48	name = kp_stats[i].kp_thread.td_comm;
322	tdb	1.30	#else
323	ats	1.48	name = kp_stats[i].kp_proc.p_comm;
324	tdb	1.30	#endif
325	ats	1.53	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
326	ats	1.52	return NULL;
327	ats	1.48	}
328	tdb	1.29
329	tdb	1.37	#if defined(FREEBSD5) \|\| defined(NETBSD) \|\| defined(OPENBSD)
330			size = sizeof(buflen);
331
332			#ifdef FREEBSD5
333			if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
334	ats	1.52	return NULL;
335	tdb	1.37	}
336			#else
337	tdb	1.56	/* FIXME - this value can be too large on some of
338			the BSD's, which causes sysctl not to return
339			anything. Maybe we need something smaller? */
340	tdb	1.37	mib[1] = KERN_ARGMAX;
341
342			if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
343	ats	1.52	return NULL;
344	tdb	1.37	}
345			#endif
346
347			proctitle = malloc(buflen);
348			if(proctitle == NULL) {
349	ats	1.52	return NULL;
350	tdb	1.37	}
351
352			size = buflen;
353
354			#ifdef FREEBSD5
355			mib[2] = KERN_PROC_ARGS;
356			mib[3] = kp_stats[i].ki_pid;
357			#else
358			mib[1] = KERN_PROC_ARGS;
359			mib[2] = kp_stats[i].kp_proc.p_pid;
360			mib[3] = KERN_PROC_ARGV;
361			#endif
362
363	ats	1.48	free(proc_state_ptr->proctitle);
364	tdb	1.37	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
365			free(proctitle);
366			proc_state_ptr->proctitle = NULL;
367			}
368			else if(size > 0) {
369	tdb	1.44	proc_state_ptr->proctitle = malloc(size+1);
370	tdb	1.37	if(proc_state_ptr->proctitle == NULL) {
371	ats	1.52	return NULL;
372	tdb	1.29	}
373	tdb	1.37	p = proctitle;
374	ats	1.49	proc_state_ptr->proctitle[0] = '\0';
375	tdb	1.37	do {
376	ats	1.52	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
377			sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
378	tdb	1.37	p += strlen(p) + 1;
379			} while (p < proctitle + size);
380			free(proctitle);
381	tdb	1.45	/* remove trailing space */
382			proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
383	tdb	1.37	}
384			else {
385			free(proctitle);
386			proc_state_ptr->proctitle = NULL;
387			}
388			#else
389	ats	1.48	free(proc_state_ptr->proctitle);
390	tdb	1.37	if(kvmd != NULL) {
391			args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
392			if(args != NULL) {
393	tdb	1.50	argsp = args;
394			while(*argsp != NULL) {
395	tdb	1.51	argslen += strlen(*argsp) + 1;
396			argsp++;
397	tdb	1.50	}
398			proctitle = malloc(argslen + 1);
399			proctitle[0] = '\0';
400	tdb	1.37	if(proctitle == NULL) {
401	ats	1.52	return NULL;
402	tdb	1.37	}
403			while(*args != NULL) {
404	ats	1.52	sg_strlcat(proctitle, *args, argslen + 1);
405			sg_strlcat(proctitle, " ", argslen + 1);
406	tdb	1.37	args++;
407	tdb	1.29	}
408	tdb	1.37	/* remove trailing space */
409	tdb	1.45	proctitle[strlen(proctitle)-1] = '\0';
410	tdb	1.37	proc_state_ptr->proctitle = proctitle;
411			}
412			else {
413			proc_state_ptr->proctitle = NULL;
414	tdb	1.29	}
415			}
416			else {
417	tdb	1.37	proc_state_ptr->proctitle = NULL;
418	tdb	1.29	}
419	tdb	1.37	#endif
420	tdb	1.26
421	tdb	1.30	#ifdef FREEBSD5
422	tdb	1.26	proc_state_ptr->pid = kp_stats[i].ki_pid;
423			proc_state_ptr->parent = kp_stats[i].ki_ppid;
424			proc_state_ptr->pgid = kp_stats[i].ki_pgid;
425	tdb	1.30	#else
426			proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
427			proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
428			proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
429			#endif
430	tdb	1.26
431	tdb	1.30	#ifdef FREEBSD5
432	tdb	1.26	proc_state_ptr->uid = kp_stats[i].ki_ruid;
433			proc_state_ptr->euid = kp_stats[i].ki_uid;
434			proc_state_ptr->gid = kp_stats[i].ki_rgid;
435			proc_state_ptr->egid = kp_stats[i].ki_svgid;
436	tdb	1.35	#elif defined(DFBSD)
437			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
438			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
439			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
440			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
441	tdb	1.30	#else
442			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
443			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
444			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
445			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
446			#endif
447	tdb	1.26
448	tdb	1.30	#ifdef FREEBSD5
449	tdb	1.26	proc_state_ptr->proc_size = kp_stats[i].ki_size;
450			/* This is in pages */
451	tdb	1.30	proc_state_ptr->proc_resident =
452			kp_stats[i].ki_rssize * getpagesize();
453	tdb	1.28	/* This is in microseconds */
454	tdb	1.26	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
455	tdb	1.30	proc_state_ptr->cpu_percent =
456			((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
457	tdb	1.26	proc_state_ptr->nice = kp_stats[i].ki_nice;
458	tdb	1.30	#else
459			proc_state_ptr->proc_size =
460			kp_stats[i].kp_eproc.e_vm.vm_map.size;
461			/* This is in pages */
462			proc_state_ptr->proc_resident =
463			kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
464	tdb	1.34	#if defined(NETBSD) \|\| defined(OPENBSD)
465	tdb	1.33	proc_state_ptr->time_spent =
466			kp_stats[i].kp_proc.p_rtime.tv_sec;
467	tdb	1.35	#elif defined(DFBSD)
468			proc_state_ptr->time_spent =
469			( kp_stats[i].kp_thread.td_uticks +
470			kp_stats[i].kp_thread.td_sticks +
471			kp_stats[i].kp_thread.td_iticks ) / 1000000;
472	tdb	1.33	#else
473	tdb	1.36	/* This is in microseconds */
474	tdb	1.30	proc_state_ptr->time_spent =
475			kp_stats[i].kp_proc.p_runtime / 1000000;
476	tdb	1.33	#endif
477	tdb	1.30	proc_state_ptr->cpu_percent =
478			((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
479			proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
480			#endif
481	tdb	1.26
482	tdb	1.55	#ifdef NETBSD2
483			{
484			size_t size;
485			int mib[5];
486
487			mib[0] = CTL_KERN;
488			mib[1] = KERN_LWP;
489			mib[2] = kp_stats[i].kp_proc.p_pid;
490			mib[3] = sizeof(struct kinfo_lwp);
491			mib[4] = 0;
492
493			if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
494			return NULL;
495			}
496
497			lwps = size / sizeof(struct kinfo_lwp);
498			mib[4] = lwps;
499
500			kl_stats = malloc(size);
501			if(kl_stats == NULL) {
502			return NULL;
503			}
504
505			if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
506			return NULL;
507			}
508			}
509
510			switch(kp_stats[i].kp_proc.p_stat) {
511			case SIDL:
512			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
513			break;
514			case SACTIVE:
515			{
516			int i;
517
518			for(i = 0; i < lwps; i++) {
519			switch(kl_stats[i].l_stat) {
520			case LSONPROC:
521			case LSRUN:
522			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
523			goto end;
524			case LSSLEEP:
525			proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
526			goto end;
527			case LSSTOP:
528			case LSSUSPENDED:
529			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
530			goto end;
531			}
532			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
533			}
534			end: ;
535			}
536			break;
537			case SSTOP:
538			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
539			break;
540			case SZOMB:
541			proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
542			break;
543			default:
544			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
545			break;
546			}
547			#else
548	tdb	1.30	#ifdef FREEBSD5
549	tdb	1.26	switch (kp_stats[i].ki_stat) {
550	tdb	1.30	#else
551			switch (kp_stats[i].kp_proc.p_stat) {
552			#endif
553	tdb	1.26	case SIDL:
554			case SRUN:
555			#ifdef SONPROC
556			case SONPROC: /* NetBSD */
557			#endif
558	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
559	tdb	1.26	break;
560			case SSLEEP:
561			#ifdef SWAIT
562			case SWAIT: /* FreeBSD 5 */
563			#endif
564			#ifdef SLOCK
565			case SLOCK: /* FreeBSD 5 */
566			#endif
567	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
568	tdb	1.26	break;
569			case SSTOP:
570	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
571	tdb	1.26	break;
572			case SZOMB:
573			#ifdef SDEAD
574			case SDEAD: /* OpenBSD & NetBSD */
575			#endif
576	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
577	tdb	1.31	break;
578			default:
579	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
580	tdb	1.26	break;
581			}
582	tdb	1.55	#endif
583	tdb	1.26	proc_state_size++;
584			}
585
586			free(kp_stats);
587	tdb	1.47	#endif
588
589			#ifdef CYGWIN
590	ats	1.52	return NULL;
591	tdb	1.26	#endif
592
593	ats	1.52	*entries = proc_state_size;
594			return proc_state;
595	tdb	1.27	}
596
597	ats	1.52	sg_process_count *sg_get_process_count() {
598			static sg_process_count process_stat;
599			sg_process_stats *ps;
600	tdb	1.27	int ps_size, x;
601
602	tdb	1.30	process_stat.sleeping = 0;
603			process_stat.running = 0;
604			process_stat.zombie = 0;
605			process_stat.stopped = 0;
606			process_stat.total = 0;
607	tdb	1.27
608	ats	1.52	ps = sg_get_process_stats(&ps_size);
609			if (ps == NULL) {
610	tdb	1.32	return NULL;
611			}
612	tdb	1.27
613			for(x = 0; x < ps_size; x++) {
614			switch (ps->state) {
615	ats	1.52	case SG_PROCESS_STATE_RUNNING:
616	tdb	1.27	process_stat.running++;
617			break;
618	ats	1.52	case SG_PROCESS_STATE_SLEEPING:
619	tdb	1.27	process_stat.sleeping++;
620			break;
621	ats	1.52	case SG_PROCESS_STATE_STOPPED:
622	tdb	1.27	process_stat.stopped++;
623			break;
624	ats	1.52	case SG_PROCESS_STATE_ZOMBIE:
625	tdb	1.27	process_stat.zombie++;
626	ats	1.40	break;
627			default:
628	ats	1.52	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
629			* sg_process_count */
630	tdb	1.27	break;
631			}
632			ps++;
633			}
634
635			process_stat.total = ps_size;
636
637			return &process_stat;
638	pajs	1.23	}