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#include "os/IRIX.h"
#include <sys/sysinfo.h>
#include <sys/swap.h>
#define SWAP_BLKSIZE 512 /* better if we extract the block size from
system call but I don't know how */
/* 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;
int pagesize;
char pathbuf[MAXPATHLEN];
struct prpsinfo psbuf;
struct rminfo rminfo;
off_t tswap; /* total swap in blocks */
uint totswap; /* total swap size in pages */
/* variables to hold some values for bless_into_proc */
char state[20];
char pctcpu[7];
char pctmem[7];
if ( (pagesize = getpagesize()) == 0 ) return;
if( (procdir = opendir( "/proc/pinfo" )) == NULL ) return;
sysmp(MP_SAGET, MPSA_RMINFO, &rminfo, sizeof(rminfo));
swapctl(SC_GETSWAPTOT, &tswap);
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/pinfo/");
strcat( pathbuf, procdirp->d_name );
if( (psdata = open( pathbuf, O_RDONLY )) == -1 ) continue;
if( ioctl(psdata, PIOCPSINFO, &psbuf) == -1 ) continue;
close(psdata);
/* translate process state */
#if defined(sgi) && (IRIX_VERSION >= 0x006005)
switch( psbuf.pr_sname )
{
case 'S':
strcpy(state, SLEEP);
break;
case '0':
/* FALLTHROUGH */
case 'R':
strcpy(state, RUN);
break;
case 'Z':
strcpy(state, ZOMBIE);
break;
case 'T':
strcpy(state, STOP);
break;
case 'X':
strcpy(state, XBRK);
break;
}
#else
switch( psbuf.pr_state)
{
case SSLEEP:
strcpy(state, SLEEP);
break;
case SRUN:
strcpy(state, RUN);
break;
case SZOMB:
strcpy(state, ZOMBIE);
break;
case SSTOP:
strcpy(state, STOP);
break;
case SIDL:
strcpy(state, IDLE);
break;
case SXBRK:
strcpy(state, XBRK);
break;
}
#endif
/* These seem to be 2 bytes, 1st byte int part, 2nd byte fractional */
/* Perl can handle stringy numbers of the form 1.5 */
sprintf( pctcpu, "%3.2f",
(float) ((psbuf.pr_time.tv_sec) * 100) / (( time(NULL) - psbuf.pr_start.tv_sec ) * 100));
totswap = tswap * SWAP_BLKSIZE / pagesize;
sprintf( pctmem, "%5.2f",
((double)psbuf.pr_size)/(double)(rminfo.physmem+totswap)*100);
bless_into_proc( Format,
Fields,
psbuf.pr_uid, /* uid */
psbuf.pr_gid, /* gid */
psbuf.pr_pid, /* pid */
psbuf.pr_ppid, /* ppid */
psbuf.pr_spid, /* spid */
psbuf.pr_pgrp, /* pgrp */
psbuf.pr_sid, /* sess */
psbuf.pr_sonproc, /* cpuid */
psbuf.pr_pri, /* priority */
psbuf.pr_ttydev, /* ttynum */
psbuf.pr_flag, /* flags */
psbuf.pr_time.tv_sec, /* time */
psbuf.pr_ctime.tv_sec, /* ctime */
psbuf.pr_qtime.tv_sec, /* qtime */
psbuf.pr_size * pagesize, /* size (bytes) */
psbuf.pr_rssize * pagesize, /* rss (bytes) */
psbuf.pr_wchan, /* wchan */
psbuf.pr_fname, /* fname */
psbuf.pr_start.tv_sec, /* start */
pctcpu, /* pctcpu */
state, /* state */
pctmem, /* pctmem */
psbuf.pr_psargs, /* cmndline */
psbuf.pr_clname /* clname */
);
}
closedir(procdir);
}
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