Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / lib / iomgr / combiner.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/iomgr/combiner.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/iomgr/combiner.h
new file mode 100644 (file)
index 0000000..b927421
--- /dev/null
+++ b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/iomgr/combiner.h
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_COMBINER_H
+#define GRPC_CORE_LIB_IOMGR_COMBINER_H
+
+#include <grpc/support/port_platform.h>
+
+#include <stddef.h>
+
+#include <grpc/support/atm.h>
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/gpr/mpscq.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+
+// Provides serialized access to some resource.
+// Each action queued on a combiner is executed serially in a borrowed thread.
+// The actual thread executing actions may change over time (but there will only
+// ever be one at a time).
+
+// Initialize the lock, with an optional workqueue to shift load to when
+// necessary
+grpc_combiner* grpc_combiner_create(void);
+
+#ifndef NDEBUG
+#define GRPC_COMBINER_DEBUG_ARGS \
+  , const char *file, int line, const char *reason
+#define GRPC_COMBINER_REF(combiner, reason) \
+  grpc_combiner_ref((combiner), __FILE__, __LINE__, (reason))
+#define GRPC_COMBINER_UNREF(combiner, reason) \
+  grpc_combiner_unref((combiner), __FILE__, __LINE__, (reason))
+#else
+#define GRPC_COMBINER_DEBUG_ARGS
+#define GRPC_COMBINER_REF(combiner, reason) grpc_combiner_ref((combiner))
+#define GRPC_COMBINER_UNREF(combiner, reason) grpc_combiner_unref((combiner))
+#endif
+
+// Ref/unref the lock, for when we're sharing the lock ownership
+// Prefer to use the macros above
+grpc_combiner* grpc_combiner_ref(grpc_combiner* lock GRPC_COMBINER_DEBUG_ARGS);
+void grpc_combiner_unref(grpc_combiner* lock GRPC_COMBINER_DEBUG_ARGS);
+// Fetch a scheduler to schedule closures against
+grpc_closure_scheduler* grpc_combiner_scheduler(grpc_combiner* lock);
+// Scheduler to execute \a action within the lock just prior to unlocking.
+grpc_closure_scheduler* grpc_combiner_finally_scheduler(grpc_combiner* lock);
+
+bool grpc_combiner_continue_exec_ctx();
+
+extern grpc_core::DebugOnlyTraceFlag grpc_combiner_trace;
+
+#endif /* GRPC_CORE_LIB_IOMGR_COMBINER_H */