| 1 | #include "substdio.h" |
| 2 | #include "subfd.h" |
| 3 | #include "fmt.h" |
| 4 | #include "select.h" |
| 5 | #include "exit.h" |
| 6 | #include "auto_spawn.h" |
| 7 | |
| 8 | char num[FMT_ULONG]; |
| 9 | fd_set fds; |
| 10 | |
| 11 | void main() |
| 12 | { |
| 13 | unsigned long hiddenlimit; |
| 14 | unsigned long maxnumd; |
| 15 | |
| 16 | hiddenlimit = sizeof(fds) * 8; |
| 17 | maxnumd = (hiddenlimit - 5) / 2; |
| 18 | |
| 19 | if (auto_spawn < 1) { |
| 20 | substdio_puts(subfderr,"Oops. You have set conf-spawn lower than 1.\n"); |
| 21 | substdio_flush(subfderr); |
| 22 | _exit(1); |
| 23 | } |
| 24 | |
| 25 | if (auto_spawn > 255) { |
| 26 | substdio_puts(subfderr,"Oops. You have set conf-spawn higher than 255.\n"); |
| 27 | substdio_flush(subfderr); |
| 28 | _exit(1); |
| 29 | } |
| 30 | |
| 31 | if (auto_spawn > maxnumd) { |
| 32 | substdio_puts(subfderr,"Oops. Your system's FD_SET() has a hidden limit of "); |
| 33 | substdio_put(subfderr,num,fmt_ulong(num,hiddenlimit)); |
| 34 | substdio_puts(subfderr," descriptors.\n\ |
| 35 | This means that the qmail daemons could crash if you set the run-time\n\ |
| 36 | concurrency higher than "); |
| 37 | substdio_put(subfderr,num,fmt_ulong(num,maxnumd)); |
| 38 | substdio_puts(subfderr,". So I'm going to insist that the concurrency\n\ |
| 39 | limit in conf-spawn be at most "); |
| 40 | substdio_put(subfderr,num,fmt_ulong(num,maxnumd)); |
| 41 | substdio_puts(subfderr,". Right now it's "); |
| 42 | substdio_put(subfderr,num,fmt_ulong(num,(unsigned long) auto_spawn)); |
| 43 | substdio_puts(subfderr,".\n"); |
| 44 | substdio_flush(subfderr); |
| 45 | _exit(1); |
| 46 | } |
| 47 | _exit(0); |
| 48 | } |