The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/ipc/chromium/src/chrome/common/mach_message_source_mac.cc	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,66 @@
     1.4 +// Copyright (c) 2008 The Chromium Authors. All rights reserved.
     1.5 +// Use of this source code is governed by a BSD-style license that can be
     1.6 +// found in the LICENSE file.
     1.7 +
     1.8 +#include "chrome/common/mach_message_source_mac.h"
     1.9 +
    1.10 +#include "base/logging.h"
    1.11 +
    1.12 +MachMessageSource::MachMessageSource(mach_port_t port,
    1.13 +                                     MachPortListener* msg_listener,
    1.14 +                                     bool* success) {
    1.15 +  DCHECK(msg_listener);
    1.16 +  DCHECK(success);
    1.17 +  DCHECK(port != MACH_PORT_NULL);
    1.18 +
    1.19 +  CFMachPortContext port_context = {0};
    1.20 +  port_context.info = msg_listener;
    1.21 +
    1.22 +  scoped_cftyperef<CFMachPortRef> cf_mach_port_ref(
    1.23 +     CFMachPortCreateWithPort(kCFAllocatorDefault,
    1.24 +                              port,
    1.25 +                              MachMessageSource::OnReceiveMachMessage,
    1.26 +                              &port_context,
    1.27 +                              NULL));
    1.28 +
    1.29 +  if (cf_mach_port_ref.get() == NULL) {
    1.30 +   CHROMIUM_LOG(WARNING) << "CFMachPortCreate failed";
    1.31 +   *success = false;
    1.32 +   return;
    1.33 +  }
    1.34 +
    1.35 +  // Create a RL source.
    1.36 +  machport_runloop_ref_.reset(
    1.37 +     CFMachPortCreateRunLoopSource(kCFAllocatorDefault,
    1.38 +                                   cf_mach_port_ref.get(),
    1.39 +                                   0));
    1.40 +
    1.41 +  if (machport_runloop_ref_.get() == NULL) {
    1.42 +   CHROMIUM_LOG(WARNING) << "CFMachPortCreateRunLoopSource failed";
    1.43 +   *success = false;
    1.44 +   return;
    1.45 +  }
    1.46 +
    1.47 +  CFRunLoopAddSource(CFRunLoopGetCurrent(),
    1.48 +                    machport_runloop_ref_.get(),
    1.49 +                    kCFRunLoopCommonModes);
    1.50 +  *success = true;
    1.51 +}
    1.52 +
    1.53 +MachMessageSource::~MachMessageSource() {
    1.54 +  CFRunLoopRemoveSource(CFRunLoopGetCurrent(),
    1.55 +                        machport_runloop_ref_.get(),
    1.56 +                        kCFRunLoopCommonModes);
    1.57 +}
    1.58 +
    1.59 +// static
    1.60 +void MachMessageSource::OnReceiveMachMessage(CFMachPortRef port, void* msg,
    1.61 +                                             CFIndex size, void* closure) {
    1.62 +  MachPortListener *msg_listener = static_cast<MachPortListener*>(closure);
    1.63 +  size_t msg_size = (size < 0) ? 0 : static_cast<size_t>(size);
    1.64 +  DCHECK(msg && msg_size > 0);  // this should never happen!
    1.65 +
    1.66 +  if (msg_listener && msg && msg_size > 0) {
    1.67 +    msg_listener->OnMachMessageReceived(msg, msg_size);
    1.68 +  }
    1.69 +}