Match dup2 and fcntl error values to POSIX.
* dtable.h (OPEN_MAX_MAX): New macro. * resource.cc (getrlimit) [RLIMIT_NOFILE]: Use it. * dtable.cc (dtable::extend): Likewise. * fcntl.cc (fcntl64): Obey POSIX rule with too-large F_DUPFD. * syscalls.cc (dup2): Likewise.
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@@ -143,7 +143,7 @@ getrlimit (int resource, struct rlimit *rlp)
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rlp->rlim_cur = getdtablesize ();
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if (rlp->rlim_cur < OPEN_MAX)
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rlp->rlim_cur = OPEN_MAX;
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rlp->rlim_max = 100 * NOFILE_INCR;
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rlp->rlim_max = OPEN_MAX_MAX;
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break;
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case RLIMIT_CORE:
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rlp->rlim_cur = rlim_core;
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