From 9640aa3db80b20e131b4011f63da27dad79730fb Mon Sep 17 00:00:00 2001 From: Muxi Yan Date: Mon, 4 May 2020 16:55:33 -0700 Subject: [PATCH] Add FB number in the comment --- src/objective-c/README-CFSTREAM.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/src/objective-c/README-CFSTREAM.md b/src/objective-c/README-CFSTREAM.md index 7d75d47a606..94a43ff3d06 100644 --- a/src/objective-c/README-CFSTREAM.md +++ b/src/objective-c/README-CFSTREAM.md @@ -24,14 +24,14 @@ case of problem and you want to disable CFStream on iOS, you can set environment "grpc\_cfstream=0". ## Caveats -It is known to us that the CFStream API has some bug which will cause gRPC's CFStream networking -layer to stall occasionally. The issue mostly occur on MacOS systems (including iOS simulators on -MacOS); iOS may be affected too but we have not seen issue there. gRPC provides a workaround to this -problem with an alternative poller based on CFRunLoop. The poller can be enabled by setting -environment variable `GRPC_CFSTREAM_RUN_LOOP=1`. Note that the poller is a client side only poller -that does not support running a server on it. That means if an app opts in to the CFRunLoop-based -poller, the app cannot host a gRPC server (gRPC Objective-C does not support running a server but -other languages running on iOS do support it). +It is known to us that the CFStream API has some bug (FB6162039) which will cause gRPC's CFStream +networking layer to stall occasionally. The issue mostly occur on MacOS systems (including iOS +simulators on MacOS); iOS may be affected too but we have not seen issue there. gRPC provides a +workaround to this problem with an alternative poller based on CFRunLoop. The poller can be enabled +by setting environment variable `GRPC_CFSTREAM_RUN_LOOP=1`. Note that the poller is a client side +only poller that does not support running a server on it. That means if an app opts in to the +CFRunLoop-based poller, the app cannot host a gRPC server (gRPC Objective-C does not support running +a server but other languages running on iOS do support it). ## Notes