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Bug 932112: Add a non-ARM MemoryBarrier function. r=glandium

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Gian-Carlo Pascutto 2013-11-07 20:07:48 -05:00
parent 9515f68410
commit a048c6417e
1 changed files with 1 additions and 13 deletions
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14
media/webrtc/trunk/webrtc/modules/audio_device/android/single_rw_fifo.cc
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@ -10,11 +10,6 @@
#include "webrtc/modules/audio_device/android/single_rw_fifo.h"
#if !defined(__ARMEL__)
// ARM specific due to the implementation of MemoryBarrier.
#error trying to compile ARM code for non-ARM target
#endif
static int UpdatePos(int pos, int capacity) {
return (pos + 1) % capacity;
}
@ -23,15 +18,8 @@ namespace webrtc {
namespace subtle {
// From http://src.chromium.org/viewvc/chrome/trunk/src/base/atomicops_internals_arm_gcc.h
// Note that it is only the MemoryBarrier function that makes this class arm
// specific. Borrowing other MemoryBarrier implementations, this class could
// be extended to more platforms.
inline void MemoryBarrier() {
// Note: This is a function call, which is also an implicit compiler
// barrier.
typedef void (*KernelMemoryBarrierFunc)();
((KernelMemoryBarrierFunc)0xffff0fa0)();
__sync_synchronize();
}
} // namespace subtle