static void android_os_BinderProxy_linkToDeath(JNIEnv* env, jobject obj,
jobject recipient, jint flags) // throws RemoteException
{
if (recipient == NULL) {
jniThrowNullPointerException(env, NULL);
return;
}
IBinder* target = (IBinder*)
env->GetLongField(obj, gBinderProxyOffsets.mObject);
if (target == NULL) {
ALOGW("Binder has been finalized when calling linkToDeath() with recip=%p)\n", recipient);
assert(false);
}
LOGDEATH("linkToDeath: binder=%p recipient=%p\n", target, recipient);
if (!target->localBinder()) {
DeathRecipientList* list = (DeathRecipientList*)
env->GetLongField(obj, gBinderProxyOffsets.mOrgue);
sp<JavaDeathRecipient> jdr = new JavaDeathRecipient(env, recipient, list);
status_t err = target->linkToDeath(jdr, NULL, flags);
if (err != NO_ERROR) {
// Failure adding the death recipient, so clear its reference
// now.
jdr->clearReference();
signalExceptionForError(env, obj, err, true /*canThrowRemoteException*/);
}
}
}
static void android_os_BinderProxy_linkToDeath(JNIEnv* env, jobject obj,
jobject recipient, jint flags) // throws RemoteException
{
if (recipient == NULL) {
jniThrowNullPointerException(env, NULL);
return;
}
BinderProxyNativeData *nd = getBPNativeData(env, obj);
IBinder* target = nd->mObject.get();
LOGDEATH("linkToDeath: binder=%p recipient=%p\n", target, recipient);
if (!target->localBinder()) {
DeathRecipientList* list = nd->mOrgue.get();
sp<JavaDeathRecipient> jdr = new JavaDeathRecipient(env, recipient, list);
status_t err = target->linkToDeath(jdr, NULL, flags);
if (err != NO_ERROR) {
// Failure adding the death recipient, so clear its reference
// now.
jdr->clearReference();
signalExceptionForError(env, obj, err, true /*canThrowRemoteException*/);
}
}
}
static jboolean android_os_BinderProxy_unlinkToDeath(JNIEnv* env, jobject obj,
jobject recipient, jint flags)
{
jboolean res = JNI_FALSE;
if (recipient == NULL) {
jniThrowNullPointerException(env, NULL);
return res;
}
IBinder* target = (IBinder*)
env->GetLongField(obj, gBinderProxyOffsets.mObject);
if (target == NULL) {
ALOGW("Binder has been finalized when calling linkToDeath() with recip=%p)\n", recipient);
return JNI_FALSE;
}
LOGDEATH("unlinkToDeath: binder=%p recipient=%p\n", target, recipient);
if (!target->localBinder()) {
status_t err = NAME_NOT_FOUND;
// If we find the matching recipient, proceed to unlink using that
DeathRecipientList* list = (DeathRecipientList*)
env->GetLongField(obj, gBinderProxyOffsets.mOrgue);
sp<JavaDeathRecipient> origJDR = list->find(recipient);
LOGDEATH(" unlink found list %p and JDR %p", list, origJDR.get());
if (origJDR != NULL) {
wp<IBinder::DeathRecipient> dr;
err = target->unlinkToDeath(origJDR, NULL, flags, &dr);
if (err == NO_ERROR && dr != NULL) {
sp<IBinder::DeathRecipient> sdr = dr.promote();
JavaDeathRecipient* jdr = static_cast<JavaDeathRecipient*>(sdr.get());
if (jdr != NULL) {
jdr->clearReference();
}
}
}
if (err == NO_ERROR || err == DEAD_OBJECT) {
res = JNI_TRUE;
} else {
jniThrowException(env, "java/util/NoSuchElementException",
"Death link does not exist");
}
}
return res;
}