blob: ecfd28641cd2fd92dfd67b707f9242ccc440824d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#include <stdio.h>
#include <X11/Intrinsic.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include "xload.h"
/* Not all OS supports get_rload
steal the STUB idea from get_load
*/
#if defined(QNX4) || defined(__CYGWIN__)
#define RLOADSTUB
#endif
#ifdef RLOADSTUB
void GetRLoadPoint(
Widget w, /* unused */
XtPointer closure, /* unused */
XtPointer call_data) /* pointer to (double) return value */
{
*(double *)call_data = 1.0;
}
#else /* RLOADSTUB */
#include <protocols/rwhod.h>
#ifndef _PATH_RWHODIR
#define _PATH_RWHODIR "/var/spool/rwho"
#endif
#define WHDRSIZE ((int)(sizeof (buf) - sizeof (buf.wd_we)))
void GetRLoadPoint(
Widget w, /* unused */
XtPointer closure, /* unused */
XtPointer call_data) /* pointer to (double) return value */
{
int f;
static char *fname = NULL;
static struct whod buf;
int cc;
*(double *)call_data = 0.0; /* to be on the safe side */
if (fname == NULL) {
if ((fname = malloc(strlen(_PATH_RWHODIR)+strlen("/whod.")+strlen(resources.remote)+1)) == NULL) {
fprintf(stderr,"GetRLoadPoint: malloc() failed\n");
exit(1);
}
strcpy(fname,_PATH_RWHODIR);
strcat(fname,"/whod.");
strcat(fname,resources.remote);
}
if ((f = open(fname, O_RDONLY, 0)) < 0)
return;
cc = read(f, &buf, sizeof(buf));
close(f);
if (cc < WHDRSIZE)
return;
*(double *)call_data = buf.wd_loadav[0] / 100.0;
}
#endif /* RLOADSTUB */
|
