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mojo/public/cpp/system/wait_set.h

Index: mojo/public/cpp/system/wait_set.h
diff --git a/mojo/public/cpp/system/wait_set.h b/mojo/public/cpp/system/wait_set.h
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index da4258d05622fae7938b2d5f3d22facb5a30bd2d..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/system/wait_set.h
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-// Copyright 2016 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 provides a C++ wrapping around the Mojo C API for wait sets,
-// replacing the prefix of "Mojo" with a "mojo" namespace, and using more
-// strongly-typed representations of |MojoHandle|s.
-//
-// Please see "mojo/public/c/include/mojo/system/wait_set.h" for complete
-// documentation of the API.
-
-#ifndef MOJO_PUBLIC_CPP_SYSTEM_WAIT_SET_H_
-#define MOJO_PUBLIC_CPP_SYSTEM_WAIT_SET_H_
-
-#include <assert.h>
-#include <mojo/system/wait_set.h>
-
-#include <vector>
-
-#include "mojo/public/cpp/system/handle.h"
-
-namespace mojo {
-
-// A strongly-typed representation of a |MojoHandle| to a wait set.
-class WaitSetHandle : public Handle {
- public:
-  WaitSetHandle() {}
-  explicit WaitSetHandle(MojoHandle value) : Handle(value) {}
-
-  // Copying and assignment allowed.
-};
-
-static_assert(sizeof(WaitSetHandle) == sizeof(Handle),
-              "Bad size for C++ WaitSetHandle");
-
-typedef ScopedHandleBase<WaitSetHandle> ScopedWaitSetHandle;
-static_assert(sizeof(ScopedWaitSetHandle) == sizeof(WaitSetHandle),
-              "Bad size for C++ ScopedWaitSetHandle");
-
-// Creates a new wait set. See |MojoCreateWaitSet()| for complete documentation.
-inline MojoResult CreateWaitSet(const MojoCreateWaitSetOptions* options,
-                                ScopedWaitSetHandle* wait_set) {
-  assert(wait_set);
-  WaitSetHandle wait_set_handle;
-  MojoResult rv = MojoCreateWaitSet(options, wait_set_handle.mutable_value());
-  // Reset even on failure (reduces the chances that a "stale"/incorrect handle
-  // will be used).
-  wait_set->reset(wait_set_handle);
-  return rv;
-}
-
-inline MojoResult WaitSetAdd(WaitSetHandle wait_set,
-                             Handle handle,
-                             MojoHandleSignals signals,
-                             uint64_t cookie,
-                             const struct MojoWaitSetAddOptions* options) {
-  return MojoWaitSetAdd(wait_set.value(), handle.value(), signals, cookie,
-                        options);
-}
-
-inline MojoResult WaitSetRemove(WaitSetHandle wait_set, uint64_t cookie) {
-  return MojoWaitSetRemove(wait_set.value(), cookie);
-}
-
-inline MojoResult WaitSetWait(WaitSetHandle wait_set,
-                              MojoDeadline deadline,
-                              std::vector<MojoWaitSetResult>* results,
-                              uint32_t* max_results) {
-  if (!results) {
-    return MojoWaitSetWait(wait_set.value(), deadline, 0u, nullptr,
-                           max_results);
-  }
-
-  assert(results->capacity() <= static_cast<uint32_t>(-1));
-  uint32_t num_results = static_cast<uint32_t>(results->capacity());
-  results->resize(num_results);
-  MojoResult rv = MojoWaitSetWait(wait_set.value(), deadline, &num_results,
-                                  results->data(), max_results);
-  results->resize((rv == MOJO_RESULT_OK) ? num_results : 0u);
-  return rv;
-}
-
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_SYSTEM_WAIT_SET_H_