diff --git a/src/ruby/end2end/forking_client_client.rb b/src/ruby/end2end/forking_client_client.rb
new file mode 100755
index 0000000000000000000000000000000000000000..fbe03686b3b27eabc223bdb797c2954c576ea6b7
--- /dev/null
+++ b/src/ruby/end2end/forking_client_client.rb
@@ -0,0 +1,69 @@
+#!/usr/bin/env ruby
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Prompted by and minimal repro of https://github.com/grpc/grpc/issues/10658
+
+require_relative './end2end_common'
+
+def main
+ server_port = ''
+ OptionParser.new do |opts|
+ opts.on('--client_control_port=P', String) do
+ STDERR.puts 'client control port not used'
+ end
+ opts.on('--server_port=P', String) do |p|
+ server_port = p
+ end
+ end.parse!
+
+ p = fork do
+ stub = Echo::EchoServer::Stub.new("localhost:#{server_port}",
+ :this_channel_is_insecure)
+ stub.echo(Echo::EchoRequest.new(request: 'hello'))
+ end
+
+ begin
+ Timeout.timeout(10) do
+ Process.wait(p)
+ end
+ rescue Timeout::Error
+ STDERR.puts "timeout waiting for forked process #{p}"
+ Process.kill('SIGKILL', p)
+ Process.wait(p)
+ raise 'Timed out waiting for client process. ' \
+ 'It likely hangs when killed while in the middle of an rpc'
+ end
+
+ client_exit_code = $CHILD_STATUS
+ fail "forked process failed #{client_exit_code}" if client_exit_code != 0
+end
+
+main
diff --git a/src/ruby/end2end/forking_client_driver.rb b/src/ruby/end2end/forking_client_driver.rb
new file mode 100755
index 0000000000000000000000000000000000000000..2c67b33590df696e3e81efa65a71d04001c66eea
--- /dev/null
+++ b/src/ruby/end2end/forking_client_driver.rb
@@ -0,0 +1,69 @@
+#!/usr/bin/env ruby
+
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require_relative './end2end_common'
+
+def main
+ STDERR.puts 'start server'
+ server_runner = ServerRunner.new(EchoServerImpl)
+ server_port = server_runner.run
+
+ # TODO(apolcyn) Can we get rid of this sleep?
+ # Without it, an immediate call to the just started EchoServer
+ # fails with UNAVAILABLE
+ sleep 1
+
+ STDERR.puts 'start client'
+ _, client_pid = start_client('forking_client_client.rb',
+ server_port)
+
+ begin
+ Timeout.timeout(10) do
+ Process.wait(client_pid)
+ end
+ rescue Timeout::Error
+ STDERR.puts "timeout wait for client pid #{client_pid}"
+ Process.kill('SIGKILL', client_pid)
+ Process.wait(client_pid)
+ STDERR.puts 'killed client child'
+ raise 'Timed out waiting for client process. ' \
+ 'It likely hangs when requiring grpc, then forking, then using grpc '
+ end
+
+ client_exit_code = $CHILD_STATUS
+ if client_exit_code != 0
+ fail "forking client client failed, exit code #{client_exit_code}"
+ end
+
+ server_runner.stop
+end
+
+main
diff --git a/src/ruby/ext/grpc/rb_server.c b/src/ruby/ext/grpc/rb_server.c
index de79a5121ff09ff638f123e1adb54128ccf947f3..2286a99f249988583d6d833e07dbc235fb6ba977 100644
--- a/src/ruby/ext/grpc/rb_server.c
+++ b/src/ruby/ext/grpc/rb_server.c
@@ -222,8 +222,6 @@ static VALUE grpc_rb_server_request_call(VALUE self) {
return Qnil;
}
-
-
/* build the NewServerRpc struct result */
deadline = gpr_convert_clock_type(st.details.deadline, GPR_CLOCK_REALTIME);
result = rb_struct_new(
diff --git a/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh b/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh
index 92d6975707389a3352ed677f319144c398504558..cd289335c12e88d5488409d0aabaea5243a3764b 100755
--- a/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh
+++ b/tools/run_tests/helper_scripts/run_ruby_end2end_tests.sh
@@ -39,4 +39,5 @@ ruby src/ruby/end2end/channel_state_driver.rb || EXIT_CODE=1
ruby src/ruby/end2end/channel_closing_driver.rb || EXIT_CODE=1
ruby src/ruby/end2end/sig_int_during_channel_watch_driver.rb || EXIT_CODE=1
ruby src/ruby/end2end/killed_client_thread_driver.rb || EXIT_CODE=1
+ruby src/ruby/end2end/forking_client_driver.rb || EXIT_CODE=1
exit $EXIT_CODE