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// Copyright 2020 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/public/cpp/system/functions.h"
#include "base/callback.h"
#include "base/no_destructor.h"
namespace mojo {
namespace {
DefaultProcessErrorHandler& GetDefaultProcessErrorHandler() {
static base::NoDestructor<DefaultProcessErrorHandler> handler;
return *handler;
}
void HandleError(const MojoProcessErrorDetails* details) {
const DefaultProcessErrorHandler& handler = GetDefaultProcessErrorHandler();
handler.Run(
std::string(details->error_message, details->error_message_length));
}
} // namespace
void SetDefaultProcessErrorHandler(DefaultProcessErrorHandler handler) {
// Ensure any previously set handler is wiped out.
MojoSetDefaultProcessErrorHandler(nullptr, nullptr);
auto& global_handler = GetDefaultProcessErrorHandler();
global_handler = std::move(handler);
if (global_handler)
MojoSetDefaultProcessErrorHandler(&HandleError, nullptr);
}
} // namespace mojo
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