Return StopAllIterationAndWatermark in fail_close cases. (#154)
Return StopAllIterationAndWatermark in fail_close cases. (#154)

in favor of #95, returns StopAllIterationAndWatermark to stop the further body processing in VM failure with fail_close cases.

Signed-off-by: Takeshi Yoneda <72d3043deb9ea484d21ffcca03f662fa81cbe321@tetrate.io>
proxy-wasm/proxy-wasm-cpp-host,proxy-wasm/proxy-wasm-cpp-host,proxy-wasm/proxy-wasm-cpp-host