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-rw-r--r--core/java/android/os/StrictMode.java2
-rw-r--r--core/jni/android_util_Binder.cpp14
-rw-r--r--include/binder/Parcel.h12
-rw-r--r--libs/binder/Parcel.cpp10
4 files changed, 21 insertions, 17 deletions
diff --git a/core/java/android/os/StrictMode.java b/core/java/android/os/StrictMode.java
index dc92590..d4b0500 100644
--- a/core/java/android/os/StrictMode.java
+++ b/core/java/android/os/StrictMode.java
@@ -97,7 +97,7 @@ public final class StrictMode {
* via Parcel.writeNoException() (amusingly) where the caller can
* choose how to react.
*/
- private static ThreadLocal<ArrayList<ApplicationErrorReport.CrashInfo>> gatheredViolations =
+ private static final ThreadLocal<ArrayList<ApplicationErrorReport.CrashInfo>> gatheredViolations =
new ThreadLocal<ArrayList<ApplicationErrorReport.CrashInfo>>() {
@Override protected ArrayList<ApplicationErrorReport.CrashInfo> initialValue() {
// Starts null to avoid unnecessary allocations when
diff --git a/core/jni/android_util_Binder.cpp b/core/jni/android_util_Binder.cpp
index 040b324..5c4e4fd 100644
--- a/core/jni/android_util_Binder.cpp
+++ b/core/jni/android_util_Binder.cpp
@@ -1566,15 +1566,15 @@ static void android_os_Parcel_enforceInterface(JNIEnv* env, jobject clazz, jstri
if (parcel != NULL) {
const jchar* str = env->GetStringCritical(name, 0);
if (str) {
- const int32_t old_strict_policy =
- IPCThreadState::self()->getStrictModePolicy();
- int32_t strict_policy;
- bool isValid = parcel->enforceInterface(
+ IPCThreadState* threadState = IPCThreadState::self();
+ const int32_t oldPolicy = threadState->getStrictModePolicy();
+ const bool isValid = parcel->enforceInterface(
String16(str, env->GetStringLength(name)),
- &strict_policy);
+ threadState);
env->ReleaseStringCritical(name, str);
if (isValid) {
- if (old_strict_policy != strict_policy) {
+ const int32_t newPolicy = threadState->getStrictModePolicy();
+ if (oldPolicy != newPolicy) {
// Need to keep the Java-level thread-local strict
// mode policy in sync for the libcore
// enforcements, which involves an upcall back
@@ -1582,7 +1582,7 @@ static void android_os_Parcel_enforceInterface(JNIEnv* env, jobject clazz, jstri
// Parcel.enforceInterface signature, as it's
// pseudo-public, and used via AIDL
// auto-generation...)
- set_dalvik_blockguard_policy(env, strict_policy);
+ set_dalvik_blockguard_policy(env, newPolicy);
}
return; // everything was correct -> return silently
}
diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index fd0fc1f..32c9a1d5 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -26,11 +26,12 @@
// ---------------------------------------------------------------------------
namespace android {
+class Flattenable;
class IBinder;
+class IPCThreadState;
class ProcessState;
class String8;
class TextOutput;
-class Flattenable;
struct flat_binder_object; // defined in support_p/binder_module.h
@@ -61,10 +62,13 @@ public:
// Parses the RPC header, returning true if the interface name
// in the header matches the expected interface from the caller.
- // If strict_policy_out is non-NULL, the RPC header's StrictMode policy
- // mask is returned.
+ //
+ // Additionally, enforceInterface does part of the work of
+ // propagating the StrictMode policy mask, populating the current
+ // IPCThreadState, which as an optimization may optionally be
+ // passed in.
bool enforceInterface(const String16& interface,
- int32_t* strict_policy_out = NULL) const;
+ IPCThreadState* threadState = NULL) const;
bool checkInterface(IBinder*) const;
void freeData();
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 60babad..18f75df 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -458,13 +458,13 @@ bool Parcel::checkInterface(IBinder* binder) const
}
bool Parcel::enforceInterface(const String16& interface,
- int32_t* strict_policy_out) const
+ IPCThreadState* threadState) const
{
- int32_t strict_policy = readInt32();
- IPCThreadState::self()->setStrictModePolicy(strict_policy);
- if (strict_policy_out != NULL) {
- *strict_policy_out = strict_policy;
+ int32_t strictPolicy = readInt32();
+ if (threadState == NULL) {
+ threadState = IPCThreadState::self();
}
+ threadState->setStrictModePolicy(strictPolicy);
const String16 str(readString16());
if (str == interface) {
return true;