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Add conditional compilation to eliminate or limit cloning of descriptors when a new task is created

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1886 42af7a65-404d-4744-a932-0658087f49c3
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patacongo 2009-06-15 21:44:27 +00:00
parent 6b9ae00230
commit a2204a8e89
1 changed files with 5 additions and 1 deletions
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6
Documentation/NuttxPortingGuide.html
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@ -2067,16 +2067,20 @@ extern void up_ledoff(int led);
</li>
<li>
<code>CONFIG_FDCLONE_DISABLE</code>: Disable cloning of all file descriptors
by task_create() when a new task is started.
by task_create() when a new task is started.
If set, all files/drivers will appear to be closed in the new task.
</li>
<li>
<code>CONFIG_FDCLONE_STDIO</code>: Disable cloning of all but the first
three file descriptors (stdin, stdout, stderr) by task_create()
when a new task is started.
If set, all files/drivers will appear to be closed in the new task except
for stdin, stdout, and stderr.
</li>
<li>
<code>CONFIG_SDCLONE_DISABLE</code>: Disable cloning of all socket
desciptors by task_create() when a new task is started.
If set, all sockets will appear to be closed in the new task.
</li>
</ul>