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Merge "javaObjectForIBinder: warn rets global and local"

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Treehugger Robot
2022-04-22 01:30:45 +00:00
committed by Gerrit Code Review
parent a50c4137e3 a944ece068
commit 2abd02381f
1 changed files with 11 additions and 1 deletions
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12
core/jni/android_util_Binder.h
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@@ -24,8 +24,18 @@
namespace android { namespace android {
// Converstion to/from Java IBinder Object and C++ IBinder instance. /**
* Conversion to Java IBinder Object from C++ IBinder instance.
*
* WARNING: this function returns global and local references. This can be
* figured out using GetObjectRefType. Though, when this function is called
* from within a Java context, the local ref will automatically be cleaned
* up. If this is called outside of a Java frame,
* PushObjectFrame/PopObjectFrame can simulate this automatic cleanup. The
* platform provides ScopedLocalFrame as an RAII object for this.
*/
extern jobject javaObjectForIBinder(JNIEnv* env, const sp<IBinder>& val); extern jobject javaObjectForIBinder(JNIEnv* env, const sp<IBinder>& val);
/** Conversion from Java IBinder Object to C++ IBinder instance. */
extern sp<IBinder> ibinderForJavaObject(JNIEnv* env, jobject obj); extern sp<IBinder> ibinderForJavaObject(JNIEnv* env, jobject obj);
extern jobject newParcelFileDescriptor(JNIEnv* env, jobject fileDesc); extern jobject newParcelFileDescriptor(JNIEnv* env, jobject fileDesc);