Update mojo sdk to rev f6c8ec07c01deebc13178d516225fd12695c3dc2

mojo/edk/system/awakable_list.cc

+// Copyright 2013 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.
+
+#include "mojo/edk/system/awakable_list.h"
+
+#include "base/logging.h"
+#include "mojo/edk/system/awakable.h"
+#include "mojo/edk/system/handle_signals_state.h"
+
+namespace mojo {
+namespace system {
+
+AwakableList::AwakableList() {
+}
+
+AwakableList::~AwakableList() {
+  DCHECK(awakables_.empty());
+}
+
+void AwakableList::AwakeForStateChange(const HandleSignalsState& state) {
+  for (AwakeInfoList::iterator it = awakables_.begin(); it != awakables_.end();
+       ++it) {
+    if (state.satisfies(it->signals))
+      it->awakable->Awake(MOJO_RESULT_OK, it->context);
+    else if (!state.can_satisfy(it->signals))
+      it->awakable->Awake(MOJO_RESULT_FAILED_PRECONDITION, it->context);
+  }
+}
+
+void AwakableList::CancelAll() {
+  for (AwakeInfoList::iterator it = awakables_.begin(); it != awakables_.end();
+       ++it) {
+    it->awakable->Awake(MOJO_RESULT_CANCELLED, it->context);
+  }
+  awakables_.clear();
+}
+
+void AwakableList::Add(Awakable* awakable,
+                       MojoHandleSignals signals,
+                       uint32_t context) {
+  awakables_.push_back(AwakeInfo(awakable, signals, context));
+}
+
+void AwakableList::Remove(Awakable* awakable) {
+  // We allow a thread to wait on the same handle multiple times simultaneously,
+  // so we need to scan the entire list and remove all occurrences of |waiter|.
+  for (AwakeInfoList::iterator it = awakables_.begin();
+       it != awakables_.end();) {
+    AwakeInfoList::iterator maybe_delete = it;
+    ++it;
+    if (maybe_delete->awakable == awakable)
+      awakables_.erase(maybe_delete);
+  }
+}
+
+}  // namespace system
+}  // namespace mojo