webrtc_m130/webrtc/system_wrappers/source/atomic32_non_darwin_unix.cc
kjellander 080a1e3fa6 Fix iOS GN build and cleanup system_wrappers
Compile fixes for GN on iOS that finally gets our bots green.

Changes to system_wrappers:
* Updated to only use inclusive sources for maintainability
* Add a few missing GN headers.
* Cleanup GYP hack for atomic32_mac.cc
* Renamed changes sources to avoid problems with GYP/GN file
   suffix rules:
  - atomic32_mac.cc -> atomic32_darwin.cc
  - atomic32_posix.cc -> atomic32_non_darwin_unix.cc
See https://code.google.com/p/chromium/codesearch#chromium/src/build/config/BUILDCONFIG.gn&l=325
for details on which extensions can/cannot be used.

BUG=webrtc:5586
NOTRY=True

Review-Url: https://codereview.webrtc.org/1999723002
Cr-Commit-Position: refs/heads/master@{#12897}
2016-05-25 18:37:17 +00:00

54 lines
1.3 KiB
C++

/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/system_wrappers/include/atomic32.h"
#include <assert.h>
#include <inttypes.h>
#include <malloc.h>
#include "webrtc/common_types.h"
namespace webrtc {
Atomic32::Atomic32(int32_t initial_value)
: value_(initial_value) {
assert(Is32bitAligned());
}
Atomic32::~Atomic32() {
}
int32_t Atomic32::operator++() {
return __sync_fetch_and_add(&value_, 1) + 1;
}
int32_t Atomic32::operator--() {
return __sync_fetch_and_sub(&value_, 1) - 1;
}
int32_t Atomic32::operator+=(int32_t value) {
int32_t return_value = __sync_fetch_and_add(&value_, value);
return_value += value;
return return_value;
}
int32_t Atomic32::operator-=(int32_t value) {
int32_t return_value = __sync_fetch_and_sub(&value_, value);
return_value -= value;
return return_value;
}
bool Atomic32::CompareExchange(int32_t new_value, int32_t compare_value) {
return __sync_bool_compare_and_swap(&value_, compare_value, new_value);
}
} // namespace webrtc