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 1.57 2004/04/06 14:52:58 tdb 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>
#include <tools.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:	1.58
Committed:	Tue Apr 6 16:29:44 2004 UTC (20 years, 1 month ago) by pajs
Content type:	text/plain
Branch:	MAIN
Changes since 1.57:	+19 -6 lines
Log Message:	A bit more of the linux code.. Need to do uid/gid bit still. Also, haven't done nice on solaris yet.
#	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	pajs	1.58	* $Id: process_stats.c,v 1.57 2004/04/06 14:52:58 tdb 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	tdb	1.43	#include <tools.h>
69	pajs	1.6	#endif
70	tdb	1.41	#include <unistd.h>
71	tdb	1.55	#ifdef NETBSD2
72			#include <sys/lwp.h>
73			#endif
74	tdb	1.41	#endif
75	pajs	1.1
76	ats	1.52	static void proc_state_init(sg_process_stats *s) {
77	ats	1.48	s->process_name = NULL;
78			s->proctitle = NULL;
79			}
80
81	ats	1.52	static void proc_state_destroy(sg_process_stats *s) {
82	ats	1.48	free(s->process_name);
83			free(s->proctitle);
84			}
85
86	ats	1.52	sg_process_stats sg_get_process_stats(int entries){
87			VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64,
88	ats	1.48	proc_state_init, proc_state_destroy);
89			int proc_state_size = 0;
90	ats	1.52	sg_process_stats *proc_state_ptr;
91	tdb	1.26	#ifdef ALLBSD
92	tdb	1.37	int mib[4];
93	tdb	1.26	size_t size;
94			struct kinfo_proc *kp_stats;
95	tdb	1.41	int procs, i;
96	tdb	1.45	char *proctitle;
97	tdb	1.41	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
98	tdb	1.42	kvm_t *kvmd;
99	tdb	1.50	char args, argsp;
100			int argslen = 0;
101	tdb	1.41	#else
102	tdb	1.37	long buflen;
103			char *p;
104			#endif
105	tdb	1.55	#ifdef NETBSD2
106			int lwps;
107			struct kinfo_lwp *kl_stats;
108			#endif
109	tdb	1.26	#endif
110	pajs	1.24	#if defined(SOLARIS) \|\| defined(LINUX)
111	pajs	1.23	DIR *proc_dir;
112			struct dirent *dir_entry;
113			char filename[MAX_FILE_LENGTH];
114			FILE *f;
115	pajs	1.24	#ifdef SOLARIS
116	pajs	1.5	psinfo_t process_info;
117	pajs	1.24	#endif
118	pajs	1.25	#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	ats	1.48	VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL);
124	pajs	1.58	unsigned long stime, utime, starttime;
125	pajs	1.25	int x;
126			int fn;
127	ats	1.48	int len;
128			int rc;
129	pajs	1.58	time_t uptime;
130			#endif
131
132			#ifdef LINUX
133			if ((f=fopen("/proc/uptime", "r")) == NULL) {
134			return NULL;
135			}
136			if((fscanf(f,"%lu %*d",&uptime)) != 1){
137			return NULL;
138			}
139			fclose(f);
140	pajs	1.25	#endif
141	pajs	1.1
142	pajs	1.23	if((proc_dir=opendir(PROC_LOCATION))==NULL){
143	ats	1.52	return NULL;
144	pajs	1.23	}
145
146			while((dir_entry=readdir(proc_dir))!=NULL){
147			if(atoi(dir_entry->d_name) == 0) continue;
148
149	pajs	1.24	#ifdef SOLARIS
150	pajs	1.23	snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
151	pajs	1.24	#endif
152	pajs	1.25	#ifdef LINUX
153			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name);
154			#endif
155	pajs	1.23	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			}
160	pajs	1.24	#ifdef SOLARIS
161	pajs	1.23	fread(&process_info, sizeof(psinfo_t), 1, f);
162	pajs	1.25	#endif
163	pajs	1.1
164	ats	1.48	if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
165	ats	1.52	return NULL;
166	ats	1.48	}
167	pajs	1.23	proc_state_ptr = proc_state+proc_state_size;
168	ats	1.48
169	pajs	1.25	#ifdef SOLARIS
170	pajs	1.23	proc_state_ptr->pid = process_info.pr_pid;
171			proc_state_ptr->parent = process_info.pr_ppid;
172			proc_state_ptr->pgid = process_info.pr_pgid;
173			proc_state_ptr->uid = process_info.pr_uid;
174			proc_state_ptr->euid = process_info.pr_euid;
175			proc_state_ptr->gid = process_info.pr_gid;
176			proc_state_ptr->egid = process_info.pr_egid;
177			proc_state_ptr->proc_size = (process_info.pr_size) * 1024;
178			proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024;
179			proc_state_ptr->time_spent = process_info.pr_time.tv_sec;
180			proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000;
181			proc_state_ptr->process_name = strdup(process_info.pr_fname);
182			proc_state_ptr->proctitle = strdup(process_info.pr_psargs);
183	pajs	1.24
184	ats	1.52	if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
185			if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
186			if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
187			if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
188			if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
189	pajs	1.25	#endif
190			#ifdef LINUX
191	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));
192			/* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */
193			proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize();
194	ats	1.52	if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
195			if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
196			if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
197			if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
198			if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
199	pajs	1.25
200			/* pa_name[0] should = '(' */
201			ptr = strchr(&ps_name[1], ')');
202			if(ptr !=NULL) *ptr='\0';
203	ats	1.48
204	ats	1.52	if (sg_update_string(&proc_state_ptr->process_name,
205	ats	1.53	&ps_name[1]) < 0) {
206	ats	1.52	return NULL;
207	ats	1.48	}
208	pajs	1.25
209	pajs	1.58	/* cpu */
210			proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime);
211			printf("%s ut: %lu st: %lu up: %lu start: %lu\n", proc_state_ptr->process_name, utime, stime, uptime , starttime);
212	pajs	1.25
213	ats	1.48	fclose(f);
214
215	pajs	1.25	/* proctitle */
216			snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name);
217
218			if((fn=open(filename, O_RDONLY)) == -1){
219			/* Open failed.. Process since vanished, or the path was too long.
220			* Ah well, move onwards to the next one */
221			continue;
222			}
223	ats	1.48
224			#define READ_BLOCK_SIZE 128
225			len = 0;
226			do {
227	ats	1.53	if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) {
228	ats	1.52	return NULL;
229	ats	1.48	}
230			rc = read(fn, psargs + len, READ_BLOCK_SIZE);
231			if (rc > 0) {
232			len += rc;
233			}
234			} while (rc == READ_BLOCK_SIZE);
235			close(fn);
236
237			if (rc == -1) {
238			/* Read failed; move on. */
239			continue;
240	pajs	1.25	}
241
242	ats	1.48	/* Turn \0s into spaces within the command line. */
243	pajs	1.25	ptr = psargs;
244	ats	1.48	for(x = 0; x < len; x++) {
245	pajs	1.25	if (ptr == '\0') ptr = ' ';
246			ptr++;
247			}
248
249	ats	1.53	if (len == 0) {
250			/* We want psargs to be NULL. */
251			if (VECTOR_RESIZE(psargs, 0) < 0) {
252			return NULL;
253			}
254			} else {
255			/* Not empty, so append a \0. */
256			if (VECTOR_RESIZE(psargs, len + 1) < 0) {
257			return NULL;
258			}
259			psargs[len] = '\0';
260			}
261
262			if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) {
263	ats	1.52	return NULL;
264	ats	1.48	}
265	pajs	1.24	#endif
266	pajs	1.23
267			proc_state_size++;
268			}
269			closedir(proc_dir);
270	tdb	1.26	#endif
271
272			#ifdef ALLBSD
273	tdb	1.36	mib[0] = CTL_KERN;
274			mib[1] = KERN_PROC;
275			mib[2] = KERN_PROC_ALL;
276
277			if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) {
278	ats	1.52	return NULL;
279	tdb	1.36	}
280
281			procs = size / sizeof(struct kinfo_proc);
282
283			kp_stats = malloc(size);
284			if(kp_stats == NULL) {
285	ats	1.52	return NULL;
286	tdb	1.36	}
287	ats	1.54	memset(kp_stats, 0, size);
288	tdb	1.36
289			if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) {
290			free(kp_stats);
291	ats	1.52	return NULL;
292	tdb	1.36	}
293	tdb	1.33
294	tdb	1.37	#if (defined(FREEBSD) && !defined(FREEBSD5)) \|\| defined(DFBSD)
295	ats	1.52	kvmd = sg_get_kvm2();
296	tdb	1.33	#endif
297	tdb	1.26
298			for (i = 0; i < procs; i++) {
299	ats	1.48	const char *name;
300	ats	1.54
301	tdb	1.55	#ifdef FREEBSD5
302	ats	1.54	if (kp_stats[i].ki_stat == 0) {
303	tdb	1.55	#else
304			if (kp_stats[i].kp_proc.p_stat == 0) {
305			#endif
306	ats	1.54	/* FreeBSD 5 deliberately overallocates the array that
307			* the sysctl returns, so we'll get a few junk
308			* processes on the end that we have to ignore. (Search
309			* for "overestimate by 5 procs" in
310			* src/sys/kern/kern_proc.c for more details.) */
311			continue;
312			}
313	ats	1.48
314			if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) {
315	ats	1.52	return NULL;
316	tdb	1.29	}
317	tdb	1.26	proc_state_ptr = proc_state+proc_state_size;
318	tdb	1.30
319			#ifdef FREEBSD5
320	ats	1.48	name = kp_stats[i].ki_comm;
321	tdb	1.35	#elif defined(DFBSD)
322	ats	1.48	name = kp_stats[i].kp_thread.td_comm;
323	tdb	1.30	#else
324	ats	1.48	name = kp_stats[i].kp_proc.p_comm;
325	tdb	1.30	#endif
326	ats	1.53	if (sg_update_string(&proc_state_ptr->process_name, name) < 0) {
327	ats	1.52	return NULL;
328	ats	1.48	}
329	tdb	1.29
330	tdb	1.37	#if defined(FREEBSD5) \|\| defined(NETBSD) \|\| defined(OPENBSD)
331			size = sizeof(buflen);
332
333			#ifdef FREEBSD5
334			if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) {
335	ats	1.52	return NULL;
336	tdb	1.37	}
337			#else
338	tdb	1.56	/* FIXME - this value can be too large on some of
339			the BSD's, which causes sysctl not to return
340			anything. Maybe we need something smaller? */
341	tdb	1.37	mib[1] = KERN_ARGMAX;
342
343			if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) {
344	ats	1.52	return NULL;
345	tdb	1.37	}
346			#endif
347
348			proctitle = malloc(buflen);
349			if(proctitle == NULL) {
350	ats	1.52	return NULL;
351	tdb	1.37	}
352
353			size = buflen;
354
355			#ifdef FREEBSD5
356			mib[2] = KERN_PROC_ARGS;
357			mib[3] = kp_stats[i].ki_pid;
358			#else
359			mib[1] = KERN_PROC_ARGS;
360			mib[2] = kp_stats[i].kp_proc.p_pid;
361			mib[3] = KERN_PROC_ARGV;
362			#endif
363
364	ats	1.48	free(proc_state_ptr->proctitle);
365	tdb	1.37	if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) {
366			free(proctitle);
367			proc_state_ptr->proctitle = NULL;
368			}
369			else if(size > 0) {
370	tdb	1.44	proc_state_ptr->proctitle = malloc(size+1);
371	tdb	1.37	if(proc_state_ptr->proctitle == NULL) {
372	ats	1.52	return NULL;
373	tdb	1.29	}
374	tdb	1.37	p = proctitle;
375	ats	1.49	proc_state_ptr->proctitle[0] = '\0';
376	tdb	1.37	do {
377	ats	1.52	sg_strlcat(proc_state_ptr->proctitle, p, size+1);
378			sg_strlcat(proc_state_ptr->proctitle, " ", size+1);
379	tdb	1.37	p += strlen(p) + 1;
380			} while (p < proctitle + size);
381			free(proctitle);
382	tdb	1.45	/* remove trailing space */
383			proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0';
384	tdb	1.37	}
385			else {
386			free(proctitle);
387			proc_state_ptr->proctitle = NULL;
388			}
389			#else
390	ats	1.48	free(proc_state_ptr->proctitle);
391	tdb	1.37	if(kvmd != NULL) {
392			args = kvm_getargv(kvmd, &(kp_stats[i]), 0);
393			if(args != NULL) {
394	tdb	1.50	argsp = args;
395			while(*argsp != NULL) {
396	tdb	1.51	argslen += strlen(*argsp) + 1;
397			argsp++;
398	tdb	1.50	}
399			proctitle = malloc(argslen + 1);
400			proctitle[0] = '\0';
401	tdb	1.37	if(proctitle == NULL) {
402	ats	1.52	return NULL;
403	tdb	1.37	}
404			while(*args != NULL) {
405	ats	1.52	sg_strlcat(proctitle, *args, argslen + 1);
406			sg_strlcat(proctitle, " ", argslen + 1);
407	tdb	1.37	args++;
408	tdb	1.29	}
409	tdb	1.37	/* remove trailing space */
410	tdb	1.45	proctitle[strlen(proctitle)-1] = '\0';
411	tdb	1.37	proc_state_ptr->proctitle = proctitle;
412			}
413			else {
414			proc_state_ptr->proctitle = NULL;
415	tdb	1.29	}
416			}
417			else {
418	tdb	1.37	proc_state_ptr->proctitle = NULL;
419	tdb	1.29	}
420	tdb	1.37	#endif
421	tdb	1.26
422	tdb	1.30	#ifdef FREEBSD5
423	tdb	1.26	proc_state_ptr->pid = kp_stats[i].ki_pid;
424			proc_state_ptr->parent = kp_stats[i].ki_ppid;
425			proc_state_ptr->pgid = kp_stats[i].ki_pgid;
426	tdb	1.30	#else
427			proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid;
428			proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid;
429			proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid;
430			#endif
431	tdb	1.26
432	tdb	1.30	#ifdef FREEBSD5
433	tdb	1.26	proc_state_ptr->uid = kp_stats[i].ki_ruid;
434			proc_state_ptr->euid = kp_stats[i].ki_uid;
435			proc_state_ptr->gid = kp_stats[i].ki_rgid;
436			proc_state_ptr->egid = kp_stats[i].ki_svgid;
437	tdb	1.35	#elif defined(DFBSD)
438			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid;
439			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid;
440			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid;
441			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid;
442	tdb	1.30	#else
443			proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid;
444			proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid;
445			proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid;
446			proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid;
447			#endif
448	tdb	1.26
449	tdb	1.30	#ifdef FREEBSD5
450	tdb	1.26	proc_state_ptr->proc_size = kp_stats[i].ki_size;
451			/* This is in pages */
452	tdb	1.30	proc_state_ptr->proc_resident =
453			kp_stats[i].ki_rssize * getpagesize();
454	tdb	1.28	/* This is in microseconds */
455	tdb	1.26	proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000;
456	tdb	1.30	proc_state_ptr->cpu_percent =
457			((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0;
458	tdb	1.26	proc_state_ptr->nice = kp_stats[i].ki_nice;
459	tdb	1.30	#else
460			proc_state_ptr->proc_size =
461			kp_stats[i].kp_eproc.e_vm.vm_map.size;
462			/* This is in pages */
463			proc_state_ptr->proc_resident =
464			kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize();
465	tdb	1.34	#if defined(NETBSD) \|\| defined(OPENBSD)
466	tdb	1.33	proc_state_ptr->time_spent =
467			kp_stats[i].kp_proc.p_rtime.tv_sec;
468	tdb	1.35	#elif defined(DFBSD)
469			proc_state_ptr->time_spent =
470			( kp_stats[i].kp_thread.td_uticks +
471			kp_stats[i].kp_thread.td_sticks +
472			kp_stats[i].kp_thread.td_iticks ) / 1000000;
473	tdb	1.33	#else
474	tdb	1.36	/* This is in microseconds */
475	tdb	1.30	proc_state_ptr->time_spent =
476			kp_stats[i].kp_proc.p_runtime / 1000000;
477	tdb	1.33	#endif
478	tdb	1.30	proc_state_ptr->cpu_percent =
479			((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0;
480			proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice;
481			#endif
482	tdb	1.26
483	tdb	1.55	#ifdef NETBSD2
484			{
485			size_t size;
486			int mib[5];
487
488			mib[0] = CTL_KERN;
489			mib[1] = KERN_LWP;
490			mib[2] = kp_stats[i].kp_proc.p_pid;
491			mib[3] = sizeof(struct kinfo_lwp);
492			mib[4] = 0;
493
494			if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) {
495			return NULL;
496			}
497
498			lwps = size / sizeof(struct kinfo_lwp);
499			mib[4] = lwps;
500
501			kl_stats = malloc(size);
502			if(kl_stats == NULL) {
503			return NULL;
504			}
505
506			if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) {
507			return NULL;
508			}
509			}
510
511			switch(kp_stats[i].kp_proc.p_stat) {
512			case SIDL:
513			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
514			break;
515			case SACTIVE:
516			{
517			int i;
518
519			for(i = 0; i < lwps; i++) {
520			switch(kl_stats[i].l_stat) {
521			case LSONPROC:
522			case LSRUN:
523			proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
524			goto end;
525			case LSSLEEP:
526			proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
527			goto end;
528			case LSSTOP:
529			case LSSUSPENDED:
530			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
531			goto end;
532			}
533			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
534			}
535			end: ;
536			}
537			break;
538			case SSTOP:
539			proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
540			break;
541			case SZOMB:
542			proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
543			break;
544			default:
545			proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
546			break;
547			}
548			#else
549	tdb	1.30	#ifdef FREEBSD5
550	tdb	1.26	switch (kp_stats[i].ki_stat) {
551	tdb	1.30	#else
552			switch (kp_stats[i].kp_proc.p_stat) {
553			#endif
554	tdb	1.26	case SIDL:
555			case SRUN:
556			#ifdef SONPROC
557			case SONPROC: /* NetBSD */
558			#endif
559	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_RUNNING;
560	tdb	1.26	break;
561			case SSLEEP:
562			#ifdef SWAIT
563			case SWAIT: /* FreeBSD 5 */
564			#endif
565			#ifdef SLOCK
566			case SLOCK: /* FreeBSD 5 */
567			#endif
568	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING;
569	tdb	1.26	break;
570			case SSTOP:
571	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_STOPPED;
572	tdb	1.26	break;
573			case SZOMB:
574			#ifdef SDEAD
575			case SDEAD: /* OpenBSD & NetBSD */
576			#endif
577	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE;
578	tdb	1.31	break;
579			default:
580	ats	1.52	proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN;
581	tdb	1.26	break;
582			}
583	tdb	1.55	#endif
584	tdb	1.26	proc_state_size++;
585			}
586
587			free(kp_stats);
588	tdb	1.47	#endif
589
590			#ifdef CYGWIN
591	ats	1.52	return NULL;
592	tdb	1.26	#endif
593
594	ats	1.52	*entries = proc_state_size;
595			return proc_state;
596	tdb	1.27	}
597
598	ats	1.52	sg_process_count *sg_get_process_count() {
599			static sg_process_count process_stat;
600			sg_process_stats *ps;
601	tdb	1.27	int ps_size, x;
602
603	tdb	1.30	process_stat.sleeping = 0;
604			process_stat.running = 0;
605			process_stat.zombie = 0;
606			process_stat.stopped = 0;
607			process_stat.total = 0;
608	tdb	1.27
609	ats	1.52	ps = sg_get_process_stats(&ps_size);
610			if (ps == NULL) {
611	tdb	1.32	return NULL;
612			}
613	tdb	1.27
614			for(x = 0; x < ps_size; x++) {
615			switch (ps->state) {
616	ats	1.52	case SG_PROCESS_STATE_RUNNING:
617	tdb	1.27	process_stat.running++;
618			break;
619	ats	1.52	case SG_PROCESS_STATE_SLEEPING:
620	tdb	1.27	process_stat.sleeping++;
621			break;
622	ats	1.52	case SG_PROCESS_STATE_STOPPED:
623	tdb	1.27	process_stat.stopped++;
624			break;
625	ats	1.52	case SG_PROCESS_STATE_ZOMBIE:
626	tdb	1.27	process_stat.zombie++;
627	ats	1.40	break;
628			default:
629	ats	1.52	/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in
630			* sg_process_count */
631	tdb	1.27	break;
632			}
633			ps++;
634			}
635
636			process_stat.total = ps_size;
637
638			return &process_stat;
639	pajs	1.23	}