Initial checkin of gRPC to third_party/

third_party/grpc/include/grpc/support/cpu.h

 /*
- * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * 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 WebReferrerPolicy_h
-#define WebReferrerPolicy_h
+#ifndef GRPC_SUPPORT_CPU_H
+#define GRPC_SUPPORT_CPU_H
 
-namespace blink {
+#include <grpc/support/port_platform.h>
 
-enum WebReferrerPolicy {
-    WebReferrerPolicyAlways,
-    WebReferrerPolicyDefault,
-    WebReferrerPolicyNoReferrerWhenDowngrade,
-    WebReferrerPolicyNever,
-    WebReferrerPolicyOrigin,
-    WebReferrerPolicyOriginWhenCrossOrigin,
-    WebReferrerPolicyNoReferrerWhenDowngradeOriginWhenCrossOrigin,
-    WebReferrerPolicyLast = WebReferrerPolicyNoReferrerWhenDowngradeOriginWhenCrossOrigin
-};
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-} // namespace blink
+/* Interface providing CPU information for currently running system */
 
+/* Return the number of CPU cores on the current system. Will return 0 if
+   the information is not available. */
+GPRAPI unsigned gpr_cpu_num_cores(void);
+
+/* Return the CPU on which the current thread is executing; N.B. This should
+   be considered advisory only - it is possible that the thread is switched
+   to a different CPU at any time. Returns a value in range
+   [0, gpr_cpu_num_cores() - 1] */
+GPRAPI unsigned gpr_cpu_current_cpu(void);
+
+#ifdef __cplusplus
+}  // extern "C"
 #endif
+
+#endif /* GRPC_SUPPORT_CPU_H */