Mojo: Move message pipe types/constants/functions from mojo/public/c/system/core.h to .../message_p…

mojo/public/c/system/functions.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains basic functions common to different Mojo system APIs.
 //
 // Note: This header should be compilable as C.
 
 #ifndef MOJO_PUBLIC_C_SYSTEM_FUNCTIONS_H_
 #define MOJO_PUBLIC_C_SYSTEM_FUNCTIONS_H_
 
 // Note: This header should be compilable as C.
 
 #include "mojo/public/c/system/system_export.h"
 #include "mojo/public/c/system/types.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 // Note: Pointer parameters that are labelled "optional" may be null (at least
 // under some circumstances). Non-const pointer parameters are also labeled
 // "in", "out", or "in/out", to indicate how they are used. (Note that how/if
 // such a parameter is used may depend on other parameters or the requested
 // operation's success/failure. E.g., a separate |flags| parameter may control
 // whether a given "in/out" parameter is used for input, output, or both.)
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 // Platform-dependent monotonically increasing tick count representing "right
 // now." The resolution of this clock is ~1-15ms.  Resolution varies depending
 // on hardware/operating system configuration.
 MOJO_SYSTEM_EXPORT MojoTimeTicks MojoGetTimeTicksNow();
 
 // Closes the given |handle|.
 //
 // Returns:
 //   |MOJO_RESULT_OK| on success.
 //   |MOJO_RESULT_INVALID_ARGUMENT| if |handle| is not a valid handle.
@@ skipping 40 matching lines @@
 MOJO_SYSTEM_EXPORT MojoResult MojoWaitMany(const MojoHandle* handles,
                                            const MojoWaitFlags* flags,
                                            uint32_t num_handles,
                                            MojoDeadline deadline);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // MOJO_PUBLIC_C_SYSTEM_FUNCTIONS_H_