#include "os/UnixWare.h"
/* Make sure /proc is mounted */
char* OS_initialize(){
struct statvfs svfs;
static char* no_proc = "/proc unavailable";
if( statvfs("/proc", &svfs) == -1 ){
return no_proc;
}
return NULL;
}
/* FIXME we should get minimum info like process ID and ownership from
file stat-- does this work for IOCTL-proc? Does it for FS-proc? It
does on linux... */
void OS_get_table(){
DIR *procdir;
struct dirent *procdirp;
int psdata;
char pathbuf[MAXPATHLEN];
struct psinfo psbuf;
lwpstat_t pr_state;
/* variables to hold some values for bless_into_proc */
char state[20];
if( (procdir = opendir( "/proc" )) == NULL ) return;
while( (procdirp = readdir(procdir)) != NULL ){
/* Only look at this file if it's a proc id; that is, all numbers */
if( strtok(procdirp->d_name, "0123456789") != NULL ){ continue; }
/* Construct path of the form /proc/proc_number */
strcpy( pathbuf, "/proc/");
strcat( pathbuf, procdirp->d_name );
strcat( pathbuf, "/psinfo" );
if( (psdata = open( pathbuf, O_RDONLY )) == -1 ) continue;
read(psdata, (void *) &psbuf, sizeof(struct psinfo) );
close(psdata);
/* translate process state */
pr_state = psbuf.pr_lwp.pr_state;
switch( pr_state )
{
case SSLEEP:
strcpy(state, SLEEP);
break;
case SRUN:
strcpy(state, RUN);
break;
case SSTOP:
strcpy(state, STOP);
break;
case SIDL:
strcpy(state, IDLE);
break;
case SONPROC:
strcpy(state, ONPROC);
break;
}
bless_into_proc( Format,
Fields,
psbuf.pr_uid, /* uid */
psbuf.pr_gid, /* gid */
psbuf.pr_pid, /* pid */
psbuf.pr_ppid, /* ppid */
psbuf.pr_pgid, /* pgrp */
psbuf.pr_sid, /* sess */
psbuf.pr_lwp.pr_pri, /* priority */
psbuf.pr_lwp.pr_nice, /* nice */
psbuf.pr_ttydev, /* ttynum */
psbuf.pr_flag, /* flags */
psbuf.pr_time.tv_sec, /* time */
psbuf.pr_time.tv_nsec, /* time nanosec */
psbuf.pr_size * getpagesize(), /* size (bytes) */
psbuf.pr_rssize * getpagesize(), /* rss (bytes) */
psbuf.pr_lwp.pr_wchan, /* wchan */
psbuf.pr_fname, /* fname */
psbuf.pr_start.tv_sec, /* start */
state, /* state */
psbuf.pr_lwp.pr_onpro, /* on which processor */
psbuf.pr_psargs /* cmndline */
);
}
closedir(procdir);
}