Merge branch 'c++lame' of github.com:ctiller/grpc into c++lame

BUILD

@@ -366,10 +366,10 @@ grpc_cc_library(
         "src/core/lib/support/backoff.h",
         "src/core/lib/support/block_annotate.h",
         "src/core/lib/support/env.h",
-        "src/core/lib/support/memory.h"
-        "src/core/lib/support/atomic.h"
-        "src/core/lib/support/atomic_with_atm.h"
-        "src/core/lib/support/atomic_with_std.h"
+        "src/core/lib/support/memory.h",
+        "src/core/lib/support/atomic.h",
+        "src/core/lib/support/atomic_with_atm.h",
+        "src/core/lib/support/atomic_with_std.h",
         "src/core/lib/support/mpscq.h",
         "src/core/lib/support/murmur_hash.h",
         "src/core/lib/support/spinlock.h",

include/grpc/impl/codegen/port_platform.h

@@ -293,8 +293,8 @@
 #if defined(__has_include)
 #if __has_include(<atomic>)
 #define GRPC_HAS_CXX11_ATOMIC
-#endif  // __has_include(<atomic>)
-#endif  // defined(__has_include)
+#endif /* __has_include(<atomic>) */
+#endif /* defined(__has_include) */
 
 #ifndef GPR_PLATFORM_STRING
 #warning "GPR_PLATFORM_STRING not auto-detected"

src/core/lib/support/atomic_with_atm.h

@@ -41,17 +41,21 @@ namespace grpc_core {
 enum MemoryOrderRelaxed { memory_order_relaxed };
 
 template <class T>
-class atomic {
+class atomic;
+
+template <>
+class atomic<bool> {
  public:
-  static_assert(sizeof(T) <= sizeof(gpr_atm),
-                "Atomics of size > sizeof(gpr_atm) are not supported");
-  atomic() { gpr_atm_no_barrier_store(&x_, static_cast<gpr_atm>(T())); }
+  atomic() { gpr_atm_no_barrier_store(&x_, static_cast<gpr_atm>(false)); }
+  explicit atomic(bool x) {
+    gpr_atm_no_barrier_store(&x_, static_cast<gpr_atm>(x));
+  }
 
-  bool compare_exchange_strong(T& expected, T update, MemoryOrderRelaxed,
+  bool compare_exchange_strong(bool& expected, bool update, MemoryOrderRelaxed,
                                MemoryOrderRelaxed) {
     if (!gpr_atm_no_barrier_cas(&x_, static_cast<gpr_atm>(expected),
                                 static_cast<gpr_atm>(update))) {
-      expected = static_cast<T>(gpr_atm_no_barrier_load(&x_));
+      expected = gpr_atm_no_barrier_load(&x_) != 0;
       return false;
     }
     return true;
@@ -63,4 +67,4 @@ class atomic {
 
 }  // namespace grpc_core
 
-#endif /* GRPC_CORE_LIB_SUPPORT_ATOMIC_H */
+#endif /* GRPC_CORE_LIB_SUPPORT_ATOMIC_WITH_ATM_H */

src/core/lib/surface/lame_client.cc

@@ -34,7 +34,6 @@
 #include <grpc/grpc.h>
 
 #include <string.h>
-#include <atomic>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>

src/ruby/spec/generic/rpc_server_pool_spec.rb

@@ -52,28 +52,31 @@ describe GRPC::Pool do
       expect(p.ready_for_work?).to be(false)
     end
 
-    it 'it stops being ready after all workers jobs waiting or running' do
+    it 'it stops being ready after all workers are busy' do
       p = Pool.new(5)
       p.start
-      job = proc { sleep(3) } # sleep so workers busy when done scheduling
-      5.times do
-        expect(p.ready_for_work?).to be(true)
-        p.schedule(&job)
+
+      wait_mu = Mutex.new
+      wait_cv = ConditionVariable.new
+      wait = true
+
+      job = proc do
+        wait_mu.synchronize do
+          wait_cv.wait(wait_mu) while wait
+        end
       end
-      expect(p.ready_for_work?).to be(false)
-    end
 
-    it 'it becomes ready again after jobs complete' do
-      p = Pool.new(5)
-      p.start
-      job = proc {}
       5.times do
         expect(p.ready_for_work?).to be(true)
         p.schedule(&job)
       end
+
       expect(p.ready_for_work?).to be(false)
-      sleep 5 # give the pool time do get at least one task done
-      expect(p.ready_for_work?).to be(true)
+
+      wait_mu.synchronize do
+        wait = false
+        wait_cv.broadcast
+      end
     end
   end
 
@@ -105,13 +108,20 @@ describe GRPC::Pool do
     it 'stops jobs when there are long running jobs' do
       p = Pool.new(1)
       p.start
-      o, q = Object.new, Queue.new
+
+      wait_forever_mu = Mutex.new
+      wait_forever_cv = ConditionVariable.new
+      wait_forever = true
+
+      job_running = Queue.new
       job = proc do
-        sleep(5)  # long running
-        q.push(o)
+        job_running.push(Object.new)
+        wait_forever_mu.synchronize do
+          wait_forever_cv.wait while wait_forever
+        end
       end
       p.schedule(&job)
-      sleep(1)  # should ensure the long job gets scheduled
+      job_running.pop
       expect { p.stop }.not_to raise_error
     end
   end

test/core/security/credentials_test.c

@@ -582,7 +582,7 @@ static void on_oauth2_creds_get_metadata_failure(
 static void validate_compute_engine_http_request(
     const grpc_httpcli_request *request) {
   GPR_ASSERT(request->handshaker != &grpc_httpcli_ssl);
-  GPR_ASSERT(strcmp(request->host, "metadata") == 0);
+  GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   GPR_ASSERT(
       strcmp(request->http.path,
              "/computeMetadata/v1/instance/service-accounts/default/token") ==

tools/dockerfile/test/bazel/Dockerfile

@@ -72,6 +72,13 @@ RUN curl https://bazel.build/bazel-release.pub.gpg | apt-key add -
 RUN apt-get -y update
 RUN apt-get -y install bazel
 
+# Pin Bazel to 0.4.4
+# Installing Bazel via apt-get first is required before installing 0.4.4 to
+# allow gRPC to build without errors. See https://github.com/grpc/grpc/issues/10553
+RUN curl -fSsL -O https://github.com/bazelbuild/bazel/releases/download/0.4.4/bazel-0.4.4-installer-linux-x86_64.sh
+RUN chmod +x ./bazel-0.4.4-installer-linux-x86_64.sh
+RUN ./bazel-0.4.4-installer-linux-x86_64.sh
+
 RUN mkdir -p /var/local/jenkins
 
 # Define the default command.

tools/run_tests/run_tests.py

@@ -763,7 +763,7 @@ class CSharpLanguage(object):
         self._make_options = ['EMBED_OPENSSL=true']
         if self.args.compiler != 'coreclr':
           # On Mac, official distribution of mono is 32bit.
-          self._make_options += ['CFLAGS=-m32', 'CXXFLAGS=-m32', 'LDFLAGS=-m32']
+          self._make_options += ['ARCH_FLAGS=-m32', 'LDFLAGS=-m32']
       else:
         self._make_options = ['EMBED_OPENSSL=true', 'EMBED_ZLIB=true']
 
@@ -1352,7 +1352,8 @@ def make_jobspec(cfg, targets, makefile='Makefile'):
                               '-f', makefile,
                               '-j', '%d' % args.jobs,
                               'EXTRA_DEFINES=GRPC_TEST_SLOWDOWN_MACHINE_FACTOR=%f' % args.slowdown,
-                              'CONFIG=%s' % cfg] +
+                              'CONFIG=%s' % cfg,
+                              'Q='] +
                               language_make_options +
                              ([] if not args.travis else ['JENKINS_BUILD=1']) +
                              targets,