Grissiom 07bd09fc0f serial: set the errno if and only if in thread context
The errno is associated with threads. It will crash the thread if we set
it in interrupt context.
2013-10-25 20:31:02 +08:00
..
2013-07-24 07:33:48 +08:00
2013-06-28 00:36:54 +08:00
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2013-08-19 14:12:35 +08:00
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