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 "buffer.h"
#include "fmt.h"
#include "select.h"
#include "exit.h"
#include "auto_spawn.h"
#define MAXSPAWN 1000 /* Silent spawn limit increased to 1000 */
char num[FMT_ULONG];
fd_set fds;
int main()
{
unsigned long hiddenlimit;
unsigned long maxnumd;
hiddenlimit = sizeof(fds) * 8;
maxnumd = (hiddenlimit - 5) / 2;
if (auto_spawn < 1) {
buffer_puts(buffer_2,"Oops. You have set conf-spawn lower than 1.\n");
buffer_flush(buffer_2);
_exit(1);
}
if (auto_spawn > MAXSPAWN) {
buffer_puts(buffer_2,"Oops. You have set conf-spawn higher than MAXSPAWN.\n");
buffer_flush(buffer_2);
_exit(1);
}
if (auto_spawn > maxnumd) {
buffer_puts(buffer_2,"Oops. Your system's FD_SET() has a hidden limit of ");
buffer_put(buffer_2,num,fmt_ulong(num,hiddenlimit));
buffer_puts(buffer_2," descriptors.\n\
This means that the qmail daemons could crash if you set the run-time\n\
concurrency higher than ");
buffer_put(buffer_2,num,fmt_ulong(num,maxnumd));
buffer_puts(buffer_2,". So I'm going to insist that the concurrency\n\
limit in conf-spawn be at most ");
buffer_put(buffer_2,num,fmt_ulong(num,maxnumd));
buffer_puts(buffer_2,". Right now it's ");
buffer_put(buffer_2,num,fmt_ulong(num,(unsigned long) auto_spawn));
buffer_puts(buffer_2,".\n");
buffer_flush(buffer_2);
_exit(1);
}
_exit(0);
}
|
