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