Initial checkin of gRPC to third_party/

third_party/grpc/src/core/iomgr/workqueue.h

Index: third_party/grpc/src/core/iomgr/workqueue.h
diff --git a/third_party/grpc/src/core/iomgr/workqueue.h b/third_party/grpc/src/core/iomgr/workqueue.h
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+/*
+ *
+ * Copyright 2015-2016, 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.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_H
+#define GRPC_INTERNAL_CORE_IOMGR_WORKQUEUE_H
+
+#include "src/core/iomgr/iomgr.h"
+#include "src/core/iomgr/pollset.h"
+#include "src/core/iomgr/closure.h"
+#include "src/core/iomgr/exec_ctx.h"
+
+#ifdef GPR_POSIX_SOCKET
+#include "src/core/iomgr/workqueue_posix.h"
+#endif
+
+#ifdef GPR_WIN32
+#include "src/core/iomgr/workqueue_windows.h"
+#endif
+
+/* grpc_workqueue is forward declared in exec_ctx.h */
+
+/** Create a work queue */
+grpc_workqueue *grpc_workqueue_create(grpc_exec_ctx *exec_ctx);
+
+void grpc_workqueue_flush(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue);
+
+#define GRPC_WORKQUEUE_REFCOUNT_DEBUG
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+#define GRPC_WORKQUEUE_REF(p, r) \
+  grpc_workqueue_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_WORKQUEUE_UNREF(cl, p, r) \
+  grpc_workqueue_unref((cl), (p), __FILE__, __LINE__, (r))
+void grpc_workqueue_ref(grpc_workqueue *workqueue, const char *file, int line,
+                        const char *reason);
+void grpc_workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+                          const char *file, int line, const char *reason);
+#else
+#define GRPC_WORKQUEUE_REF(p, r) grpc_workqueue_ref((p))
+#define GRPC_WORKQUEUE_UNREF(cl, p, r) grpc_workqueue_unref((cl), (p))
+void grpc_workqueue_ref(grpc_workqueue *workqueue);
+void grpc_workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue);
+#endif
+
+/** Bind this workqueue to a pollset */
+void grpc_workqueue_add_to_pollset(grpc_exec_ctx *exec_ctx,
+                                   grpc_workqueue *workqueue,
+                                   grpc_pollset *pollset);
+
+/** Add a work item to a workqueue */
+void grpc_workqueue_push(grpc_workqueue *workqueue, grpc_closure *closure,
+                         int success);
+
+#endif