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-rw-r--r--libs/gui/SensorEventQueue.cpp2
-rw-r--r--libs/utils/PollLoop.cpp19
-rw-r--r--libs/utils/Threads.cpp39
3 files changed, 45 insertions, 15 deletions
diff --git a/libs/gui/SensorEventQueue.cpp b/libs/gui/SensorEventQueue.cpp
index 3396f25..7eb6da5 100644
--- a/libs/gui/SensorEventQueue.cpp
+++ b/libs/gui/SensorEventQueue.cpp
@@ -86,7 +86,7 @@ sp<PollLoop> SensorEventQueue::getPollLoop() const
Mutex::Autolock _l(mLock);
if (mPollLoop == 0) {
mPollLoop = new PollLoop(true);
- mPollLoop->setCallback(getFd(), POLLIN, NULL, NULL);
+ mPollLoop->setCallback(getFd(), getFd(), POLLIN, NULL, NULL);
}
return mPollLoop;
}
diff --git a/libs/utils/PollLoop.cpp b/libs/utils/PollLoop.cpp
index f740fa0..6d3eeee 100644
--- a/libs/utils/PollLoop.cpp
+++ b/libs/utils/PollLoop.cpp
@@ -95,6 +95,7 @@ void PollLoop::openWakePipe() {
RequestedCallback requestedCallback;
requestedCallback.callback = NULL;
requestedCallback.looperCallback = NULL;
+ requestedCallback.ident = 0;
requestedCallback.data = NULL;
mRequestedCallbacks.insertAt(requestedCallback, 0);
}
@@ -116,7 +117,7 @@ int32_t PollLoop::pollOnce(int timeoutMillis, int* outEvents, void** outData) {
mPendingFdsPos++;
if (outEvents != NULL) *outEvents = pending.events;
if (outData != NULL) *outData = pending.data;
- return pending.fd;
+ return pending.ident;
}
mLock.lock();
@@ -182,6 +183,7 @@ int32_t PollLoop::pollOnce(int timeoutMillis, int* outEvents, void** outData) {
const RequestedCallback& requestedCallback = mRequestedCallbacks.itemAt(i);
PendingCallback pending;
pending.fd = requestedFd.fd;
+ pending.ident = requestedCallback.ident;
pending.events = revents;
pending.callback = requestedCallback.callback;
pending.looperCallback = requestedCallback.looperCallback;
@@ -191,7 +193,7 @@ int32_t PollLoop::pollOnce(int timeoutMillis, int* outEvents, void** outData) {
mPendingCallbacks.push(pending);
} else if (pending.fd != mWakeReadPipeFd) {
if (result == POLL_CALLBACK) {
- result = pending.fd;
+ result = pending.ident;
if (outEvents != NULL) *outEvents = pending.events;
if (outData != NULL) *outData = pending.data;
} else {
@@ -268,16 +270,20 @@ bool PollLoop::getAllowNonCallbacks() const {
return mAllowNonCallbacks;
}
+void PollLoop::setCallback(int fd, int ident, int events, Callback callback, void* data) {
+ setCallbackCommon(fd, ident, events, callback, NULL, data);
+}
+
void PollLoop::setCallback(int fd, int events, Callback callback, void* data) {
- setCallbackCommon(fd, events, callback, NULL, data);
+ setCallbackCommon(fd, POLL_CALLBACK, events, callback, NULL, data);
}
-void PollLoop::setLooperCallback(int fd, int events, ALooper_callbackFunc* callback,
+void PollLoop::setLooperCallback(int fd, int ident, int events, ALooper_callbackFunc* callback,
void* data) {
- setCallbackCommon(fd, events, NULL, callback, data);
+ setCallbackCommon(fd, ident, events, NULL, callback, data);
}
-void PollLoop::setCallbackCommon(int fd, int events, Callback callback,
+void PollLoop::setCallbackCommon(int fd, int ident, int events, Callback callback,
ALooper_callbackFunc* looperCallback, void* data) {
#if DEBUG_CALLBACKS
@@ -305,6 +311,7 @@ void PollLoop::setCallbackCommon(int fd, int events, Callback callback,
RequestedCallback requestedCallback;
requestedCallback.callback = callback;
requestedCallback.looperCallback = looperCallback;
+ requestedCallback.ident = ident;
requestedCallback.data = data;
ssize_t index = getRequestIndexLocked(fd);
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index 2b1f490..e5ece8e 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -21,6 +21,7 @@
#include <utils/Log.h>
#include <cutils/sched_policy.h>
+#include <cutils/properties.h>
#include <stdio.h>
#include <stdlib.h>
@@ -57,7 +58,7 @@ using namespace android;
// ----------------------------------------------------------------------------
/*
- * Create and run a new thead.
+ * Create and run a new thread.
*
* We create it "detached", so it cleans up after itself.
*/
@@ -280,6 +281,22 @@ pid_t androidGetTid()
#endif
}
+#if defined(HAVE_PTHREADS)
+static pthread_once_t gDoSchedulingGroupOnce = PTHREAD_ONCE_INIT;
+static bool gDoSchedulingGroup = true;
+
+static void checkDoSchedulingGroup(void) {
+ char buf[PROPERTY_VALUE_MAX];
+ int len = property_get("debug.sys.noschedgroups", buf, "");
+ if (len > 0) {
+ int temp;
+ if (sscanf(buf, "%d", &temp) == 1) {
+ gDoSchedulingGroup = temp == 0;
+ }
+ }
+}
+#endif
+
int androidSetThreadSchedulingGroup(pid_t tid, int grp)
{
if (grp > ANDROID_TGROUP_MAX || grp < 0) {
@@ -287,9 +304,12 @@ int androidSetThreadSchedulingGroup(pid_t tid, int grp)
}
#if defined(HAVE_PTHREADS)
- if (set_sched_policy(tid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ?
- SP_BACKGROUND : SP_FOREGROUND)) {
- return PERMISSION_DENIED;
+ pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup);
+ if (gDoSchedulingGroup) {
+ if (set_sched_policy(tid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ?
+ SP_BACKGROUND : SP_FOREGROUND)) {
+ return PERMISSION_DENIED;
+ }
}
#endif
@@ -303,10 +323,13 @@ int androidSetThreadPriority(pid_t tid, int pri)
#if defined(HAVE_PTHREADS)
int lasterr = 0;
- if (pri >= ANDROID_PRIORITY_BACKGROUND) {
- rc = set_sched_policy(tid, SP_BACKGROUND);
- } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
- rc = set_sched_policy(tid, SP_FOREGROUND);
+ pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup);
+ if (gDoSchedulingGroup) {
+ if (pri >= ANDROID_PRIORITY_BACKGROUND) {
+ rc = set_sched_policy(tid, SP_BACKGROUND);
+ } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
+ rc = set_sched_policy(tid, SP_FOREGROUND);
+ }
}
if (rc) {
generated by cgit v1.1 at 2025-08-16 10:22:18 +0000