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Fix syslog mutual exclusion and interrupt level logic

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4999 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-08-02 18:43:01 +00:00
parent 30e820d861
commit a9ba8355fb
6 changed files with 132 additions and 38 deletions
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nuttx/include/nuttx/ramlog.h
+3 -1
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@@ -73,7 +73,9 @@
* interface. If this feature is enabled (along with CONFIG_SYSLOG),
* then all debug output (only) will be re-directed to the circular
* buffer in RAM. This RAM log can be view from NSH using the 'dmesg'
* command.
* command. NOTE: Unlike the limited, generic character driver SYSLOG
* device, the RAMLOG *can* be used to generate debug output from interrupt
* level handlers.
* CONFIG_RAMLOG_NPOLLWAITERS - The number of threads than can be waiting
* for this driver on poll(). Default: 4
*
nuttx/include/nuttx/syslog.h
+3 -1
View File
@@ -59,7 +59,9 @@
* described in the include/nuttx/ramlog.h header file.
*
* 2. And a generic character device that may be used as the SYSLOG. The
* generic device interfaces are described in this file.
* generic device interfaces are described in this file. A disadvantage
* of using the generic character device for the SYSLOG is that it
* cannot handle debug output generated from interrupt level handlers.
*
* CONFIG_SYSLOG_CHAR - Enable the generic character device for the SYSLOG.
* The full path to the SYSLOG device is provided by CONFIG_SYSLOG_DEVPATH.