grpc - RPC system from Google

	Commit message (Collapse)	Author	Age
*	Make scope name unique and add missing header.	yang-g	2018-03-15
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*	Deprecate GPR_TIMER_BEGIN/END and replace with GPR_TIMER_SCOPE.	yang-g	2018-01-31
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*	clang fmt	ncteisen	2017-11-17
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*	Remove all extern C	ncteisen	2017-11-17
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*	Update clang-format to 5.0	Craig Tiller	2017-11-03
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*	Remove extraneous paren	ncteisen	2017-08-28
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*	fix C++ wrapper	yang-g	2017-08-21
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*	Add a new macro for custom profiler	yang-g	2017-08-21
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*	auto-fix most of licenses	Jan Tattermusch	2017-06-08
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*	Rollback changes to timer.h	Craig Tiller	2016-09-21
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*	Merge combiner and exec_ctx execution better	Craig Tiller	2016-08-24
\| \| \| \| \| \| \|	Allows exec_ctx callbacks to be called while a combiner is executing. Also allows guaranteeing direct execution of callbacks from combiners, which should allow reducing cpu burn for up/down stack interactions in the future.
*	Timing nuances	Craig Tiller	2016-08-09
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*	Update copyrights	Craig Tiller	2016-03-31
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*	Fix copyright	Craig Tiller	2016-03-25
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*	Fix include guards	Craig Tiller	2016-03-25
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*	Stage #1 of core breakup: move everything under lib	Craig Tiller	2016-03-25