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60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
#!/bin/sh
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#
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# ulimit.hack: Create an intermediate program for use in
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# between kernel initialization and init startup.
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# This is needed on a 3b system if the standard CDLIMIT is
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# so small that the dumped Emacs file cannot be written.
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# This program causes everyone to get a bigger CDLIMIT value
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# so that the dumped Emacs can be written out.
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#
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# Users of V.3.1 and later should not use this; see etc/MACHINES
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# and reconfig your kernel's CDLIMIT parameter instead.
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#
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# Caveat: Heaven help you if you screw this up. This puts
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# a new program in as /etc/init, which then execs the real init.
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#
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cat > ulimit.init.c << \EOF
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main(argc, argv)
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int argc;
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char *argv[];
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{
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ulimit(2, 262144L); /* "2" is the "set" command. */
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/* 262,144 allows for 128Mb files to be written. */
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/* If that value isn't suitable, roll your own. */
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execv("/etc/real.init", argv);
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}
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EOF
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#
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# Compile it and put it in place of the usual init program.
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#
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cc ulimit.init.c -o ulimit.init
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mv /etc/init /etc/real.init
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mv ulimit.init /etc/ulimit.init
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ln /etc/ulimit.init /etc/init
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mv ulimit.init.c /etc/ulimit.init.c # to keep src for this hack nearby.
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chmod 0754 /etc/init
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exit 0
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#
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# Upon system reboot, all processes will inherit the new large ulimit.
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# Copyright (c) 1999, 2003, 2006
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# Free Software Foundation, Inc.
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# COPYING PERMISSIONS:
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#
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# This document is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# arch-tag: 6f9a7072-9d07-4431-b0bb-e867648ad0b4
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