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Add on_exit(); Re-order some logic in the task shutdown sequence. Sometimes some complex logic needs to execute when closing file descriptors and this needs to happen early while the task is still healthy

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4354 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
2012-01-31 23:39:12 +00:00
parent ed4ee27f70
commit 35a1f247c4
13 changed files with 267 additions and 84 deletions
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nuttx/ChangeLog
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@@ -2416,3 +2416,9 @@
This upsets C++ if usb.h is included. 'class' -> 'classid' in this header
file and all places that referenced 'class'
* drivers/usbdev/usbmsc.c: Fixed some backward conditional compilation.
* sched/on_exit.c: Add support for the on_exit() function.,
* sched/exit.c, task_exithook.c, task_delete.c, sched_releasetcb.c: Move
the logic that closes file descriptors sooner in the task shutdown sequence.
When drivers are closed, they may need to do things that require a fully
up-and-running task. Some things cannot be done later when the task is
crippled.