am 3b6da6bf: Merge "Move frameworks/av off private API." (ad71caf2) · Commits · e / os / android_frameworks_av

media/libmedia/AudioTrackShared.cpp

+31 −31

Original line number	Diff line number	Diff line
		@@ -19,9 +19,9 @@

		#include <private/media/AudioTrackShared.h>
		#include <utils/Log.h>
		extern "C" {
		#include "../private/bionic_futex.h"
		}

		#include <linux/futex.h>
		#include <sys/syscall.h>

		namespace android {

		@@ -206,12 +206,12 @@ status_t ClientProxy::obtainBuffer(Buffer* buffer, const struct timespec *reques
		}
		int32_t old = android_atomic_and(~CBLK_FUTEX_WAKE, &cblk->mFutex);
		if (!(old & CBLK_FUTEX_WAKE)) {
		int rc;
		if (measure && !beforeIsValid) {
		clock_gettime(CLOCK_MONOTONIC, &before);
		beforeIsValid = true;
		}
		int ret = __futex_syscall4(&cblk->mFutex,
		errno = 0;
		(void) syscall(__NR_futex, &cblk->mFutex,
		mClientInServer ? FUTEX_WAIT_PRIVATE : FUTEX_WAIT, old & ~CBLK_FUTEX_WAKE, ts);
		// update total elapsed time spent waiting
		if (measure) {
		@@ -230,16 +230,16 @@ status_t ClientProxy::obtainBuffer(Buffer* buffer, const struct timespec *reques
		before = after;
		beforeIsValid = true;
		}
		switch (ret) {
		switch (errno) {
		case 0: // normal wakeup by server, or by binderDied()
		case -EWOULDBLOCK: // benign race condition with server
		case -EINTR: // wait was interrupted by signal or other spurious wakeup
		case -ETIMEDOUT: // time-out expired
		case EWOULDBLOCK: // benign race condition with server
		case EINTR: // wait was interrupted by signal or other spurious wakeup
		case ETIMEDOUT: // time-out expired
		// FIXME these error/non-0 status are being dropped
		break;
		default:
		ALOGE("%s unexpected error %d", __func__, ret);
		status = -ret;
		status = errno;
		ALOGE("%s unexpected error %s", __func__, strerror(status));
		goto end;
		}
		}
		@@ -295,8 +295,8 @@ void ClientProxy::binderDied()
		audio_track_cblk_t* cblk = mCblk;
		if (!(android_atomic_or(CBLK_INVALID, &cblk->mFlags) & CBLK_INVALID)) {
		// it seems that a FUTEX_WAKE_PRIVATE will not wake a FUTEX_WAIT, even within same process
		(void) __futex_syscall4(&cblk->mFutex, mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE,
		1, NULL);
		(void) syscall(__NR_futex, &cblk->mFutex, mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE,
		1);
		}
		}

		@@ -304,8 +304,8 @@ void ClientProxy::interrupt()
		{
		audio_track_cblk_t* cblk = mCblk;
		if (!(android_atomic_or(CBLK_INTERRUPT, &cblk->mFlags) & CBLK_INTERRUPT)) {
		(void) __futex_syscall4(&cblk->mFutex, mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE,
		1, NULL);
		(void) syscall(__NR_futex, &cblk->mFutex, mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE,
		1);
		}
		}

		@@ -435,18 +435,18 @@ status_t AudioTrackClientProxy::waitStreamEndDone(const struct timespec *request
		}
		int32_t old = android_atomic_and(~CBLK_FUTEX_WAKE, &cblk->mFutex);
		if (!(old & CBLK_FUTEX_WAKE)) {
		int rc;
		int ret = __futex_syscall4(&cblk->mFutex,
		errno = 0;
		(void) syscall(__NR_futex, &cblk->mFutex,
		mClientInServer ? FUTEX_WAIT_PRIVATE : FUTEX_WAIT, old & ~CBLK_FUTEX_WAKE, ts);
		switch (ret) {
		switch (errno) {
		case 0: // normal wakeup by server, or by binderDied()
		case -EWOULDBLOCK: // benign race condition with server
		case -EINTR: // wait was interrupted by signal or other spurious wakeup
		case -ETIMEDOUT: // time-out expired
		case EWOULDBLOCK: // benign race condition with server
		case EINTR: // wait was interrupted by signal or other spurious wakeup
		case ETIMEDOUT: // time-out expired
		break;
		default:
		ALOGE("%s unexpected error %d", __func__, ret);
		status = -ret;
		status = errno;
		ALOGE("%s unexpected error %s", __func__, strerror(status));
		goto end;
		}
		}
		@@ -535,8 +535,8 @@ status_t ServerProxy::obtainBuffer(Buffer* buffer, bool ackFlush)
		if (front != rear) {
		int32_t old = android_atomic_or(CBLK_FUTEX_WAKE, &cblk->mFutex);
		if (!(old & CBLK_FUTEX_WAKE)) {
		(void) __futex_syscall4(&cblk->mFutex,
		mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE, 1, NULL);
		(void) syscall(__NR_futex, &cblk->mFutex,
		mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE, 1);
		}
		}
		front = rear;
		@@ -638,8 +638,8 @@ void ServerProxy::releaseBuffer(Buffer* buffer)
		ALOGV("mAvailToClient=%u stepCount=%u minimum=%u", mAvailToClient, stepCount, minimum);
		int32_t old = android_atomic_or(CBLK_FUTEX_WAKE, &cblk->mFutex);
		if (!(old & CBLK_FUTEX_WAKE)) {
		(void) __futex_syscall4(&cblk->mFutex,
		mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE, 1, NULL);
		(void) syscall(__NR_futex, &cblk->mFutex,
		mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE, 1);
		}
		}

		@@ -682,8 +682,8 @@ bool AudioTrackServerProxy::setStreamEndDone() {
		bool old =
		(android_atomic_or(CBLK_STREAM_END_DONE, &mCblk->mFlags) & CBLK_STREAM_END_DONE) != 0;
		if (!old) {
		(void) __futex_syscall4(&mCblk->mFutex, mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE,
		1, NULL);
		(void) syscall(__NR_futex, &mCblk->mFutex, mClientInServer ? FUTEX_WAKE_PRIVATE : FUTEX_WAKE,
		1);
		}
		return old;
		}

services/audioflinger/FastMixer.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -179,7 +179,7 @@ bool FastMixer::threadLoop()
		ALOG_ASSERT(coldFutexAddr != NULL);
		int32_t old = android_atomic_dec(coldFutexAddr);
		if (old <= 0) {
		__futex_syscall4(coldFutexAddr, FUTEX_WAIT_PRIVATE, old - 1, NULL);
		(void) syscall(__NR_futex, coldFutexAddr, FUTEX_WAIT_PRIVATE, old - 1);
		}
		int policy = sched_getscheduler(0);
		if (!(policy == SCHED_FIFO \|\| policy == SCHED_RR)) {

services/audioflinger/FastMixer.h

+2 −3

Original line number	Diff line number	Diff line
		@@ -17,11 +17,10 @@
		#ifndef ANDROID_AUDIO_FAST_MIXER_H
		#define ANDROID_AUDIO_FAST_MIXER_H

		#include <linux/futex.h>
		#include <sys/syscall.h>
		#include <utils/Debug.h>
		#include <utils/Thread.h>
		extern "C" {
		#include "../private/bionic_futex.h"
		}
		#include "StateQueue.h"
		#include "FastMixerState.h"

services/audioflinger/Threads.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -2604,7 +2604,7 @@ AudioFlinger::MixerThread::~MixerThread()
		if (state->mCommand == FastMixerState::COLD_IDLE) {
		int32_t old = android_atomic_inc(&mFastMixerFutex);
		if (old == -1) {
		__futex_syscall4(&mFastMixerFutex, FUTEX_WAKE_PRIVATE, 1, NULL);
		(void) syscall(__NR_futex, &mFastMixerFutex, FUTEX_WAKE_PRIVATE, 1);
		}
		}
		state->mCommand = FastMixerState::EXIT;
		@@ -2661,7 +2661,7 @@ ssize_t AudioFlinger::MixerThread::threadLoop_write()
		if (state->mCommand == FastMixerState::COLD_IDLE) {
		int32_t old = android_atomic_inc(&mFastMixerFutex);
		if (old == -1) {
		__futex_syscall4(&mFastMixerFutex, FUTEX_WAKE_PRIVATE, 1, NULL);
		(void) syscall(__NR_futex, &mFastMixerFutex, FUTEX_WAKE_PRIVATE, 1);
		}
		#ifdef AUDIO_WATCHDOG
		if (mAudioWatchdog != 0) {

services/audioflinger/Tracks.cpp

+3 −2

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@

		#include "Configuration.h"
		#include <math.h>
		#include <sys/syscall.h>
		#include <utils/Log.h>

		#include <private/media/AudioTrackShared.h>
		@@ -952,7 +953,7 @@ void AudioFlinger::PlaybackThread::Track::invalidate()
		android_atomic_or(CBLK_INVALID, &cblk->mFlags);
		android_atomic_release_store(0x40000000, &cblk->mFutex);
		// client is not in server, so FUTEX_WAKE is needed instead of FUTEX_WAKE_PRIVATE
		(void) __futex_syscall4(&cblk->mFutex, FUTEX_WAKE, INT_MAX, NULL);
		(void) syscall(__NR_futex, &cblk->mFutex, FUTEX_WAKE, INT_MAX);
		mIsInvalid = true;
		}

		@@ -1839,7 +1840,7 @@ void AudioFlinger::RecordThread::RecordTrack::invalidate()
		android_atomic_or(CBLK_INVALID, &cblk->mFlags);
		android_atomic_release_store(0x40000000, &cblk->mFutex);
		// client is not in server, so FUTEX_WAKE is needed instead of FUTEX_WAKE_PRIVATE
		(void) __futex_syscall4(&cblk->mFutex, FUTEX_WAKE, INT_MAX, NULL);
		(void) syscall(__NR_futex, &cblk->mFutex, FUTEX_WAKE, INT_MAX);
		}