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faq.using.chmod faq.programming.adjusting-heap

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Joshua Daniel Franklin 2006-04-05 04:09:55 +00:00
parent 8ca521afe9
commit 6804a9d4e1
3 changed files with 19 additions and 19 deletions
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7
winsup/doc/ChangeLog
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@ -1,3 +1,10 @@
2006-04-04 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
* faq-programming.xml (faq.programming.adjusting-heap):
Clarify argument parameter sizes.
* faq-using.xml (faq.using.chmod):
Improve chmod FAQ.
2006-03-18 Christopher Faylor <cgf@timesys.com> 2006-03-18 Christopher Faylor <cgf@timesys.com>
* cygwinenv.sgml: Rename fork_retry to proc_retry since it has turned * cygwinenv.sgml: Rename fork_retry to proc_retry since it has turned

4
winsup/doc/faq-programming.xml
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@ -516,10 +516,10 @@ incompatibilities. Please send us patches if you do this work!
<para>If you need to change the maximum amount of memory available to Cygwin, see <para>If you need to change the maximum amount of memory available to Cygwin, see
<ulink url="http://cygwin.com/cygwin-ug-net/setup-maxmem.html">http://cygwin.com/cygwin-ug-net/setup-maxmem.html</ulink>. Otherwise, <ulink url="http://cygwin.com/cygwin-ug-net/setup-maxmem.html">http://cygwin.com/cygwin-ug-net/setup-maxmem.html</ulink>. Otherwise,
just pass heap/stack linker arguments to gcc. To create foo.exe with just pass heap/stack linker arguments to gcc. To create foo.exe with
a heap size of 1024 and a stack size of 4096, you would invoke a heap size of 200MB and a stack size of 8MB, you would invoke
gcc as: gcc as:
</para> </para>
<para><literal>gcc -Wl,--heap,1024,--stack,4096 -o foo foo.c</literal> <para><literal>gcc -Wl,--heap,200000000,--stack,8000000 -o foo foo.c</literal>
</para> </para>
</answer></qandaentry> </answer></qandaentry>

27
winsup/doc/faq-using.xml
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@ -282,24 +282,17 @@ must create the whatis database. Just run the command
<question><para>Why doesn't chmod work?</para></question> <question><para>Why doesn't chmod work?</para></question>
<answer> <answer>
<para><literal>ntsec</literal> will allow UNIX permissions in Windows NT on NTFS file <para>The most common case is that your <literal>/etc/passwd</literal>
systems. This is on by default (a recent change). or <literal>/etc/group</literal> files are not properly set up. If
<literal>ls -l</literal> shows a group of <literal>mkpasswd</literal>
or <literal>mkgroup</literal>, you need to run one or both of those
commands.
</para> </para>
<para><literal>ntea</literal> works on NTFS <emphasis>and</emphasis> FAT but it creates a huge, <para>For other cases, understand that Cygwin attempts to show UNIX
<emphasis role='bold'>undeletable</emphasis> file on FAT filesystems. permissions based on the security features of Windows, so the Windows
</para> ACLs are likely the source of your problem. See the Cygwin User's
<para>(The <literal>ntsec</literal> and <literal>ntea</literal> settings are values for the Guide at <ulink url="http://cygwin.com/cygwin-ug-net/ntsec.html" />
<literal>CYGWIN</literal> environment variable. See the Cygwin User's Guide at for more information on how Cygwin maps Windows permissions.
<ulink url="http://cygwin.com/cygwin-ug-net/cygwin-ug-net.html">http://cygwin.com/cygwin-ug-net/cygwin-ug-net.html</ulink> for more
information on this variable and its settings.)
</para>
<para>There is no solution at all for Windows 9x.
</para>
<para>If you have an application that requires a certain permission mode on a
file, you may be able to work around this requirement by modifying the
application's source code. For a hint, based on work done by Corinna
Vinschen for OpenSSH, see this message from the cygwin mailing list:
<ulink url="http://cygwin.com/ml/cygwin/2000-11/msg01176.html">http://cygwin.com/ml/cygwin/2000-11/msg01176.html</ulink>.
</para> </para>
</answer></qandaentry> </answer></qandaentry>