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
|
#include "substdio.h"
#include "subfd.h"
#include "fmt.h"
#include "select.h"
#include "exit.h"
#include "auto_spawn.h"
char num[FMT_ULONG];
fd_set fds;
void main()
{
unsigned long hiddenlimit;
unsigned long maxnumd;
hiddenlimit = sizeof(fds) * 8;
maxnumd = (hiddenlimit - 5) / 2;
if (auto_spawn < 1) {
substdio_puts(subfderr,"Oops. You have set conf-spawn lower than 1.\n");
substdio_flush(subfderr);
_exit(1);
}
if (auto_spawn > 255) {
substdio_puts(subfderr,"Oops. You have set conf-spawn higher than 255.\n");
substdio_flush(subfderr);
_exit(1);
}
if (auto_spawn > maxnumd) {
substdio_puts(subfderr,"Oops. Your system's FD_SET() has a hidden limit of ");
substdio_put(subfderr,num,fmt_ulong(num,hiddenlimit));
substdio_puts(subfderr," descriptors.\n\
This means that the qmail daemons could crash if you set the run-time\n\
concurrency higher than ");
substdio_put(subfderr,num,fmt_ulong(num,maxnumd));
substdio_puts(subfderr,". So I'm going to insist that the concurrency\n\
limit in conf-spawn be at most ");
substdio_put(subfderr,num,fmt_ulong(num,maxnumd));
substdio_puts(subfderr,". Right now it's ");
substdio_put(subfderr,num,fmt_ulong(num,(unsigned long) auto_spawn));
substdio_puts(subfderr,".\n");
substdio_flush(subfderr);
_exit(1);
}
_exit(0);
}
|
