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Make JavaDebuggable Guard thread free

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This commit is contained in:
LoveSy 2023-06-25 22:18:14 +08:00
parent 261e2c2503
commit 8c92a2d5a1
1 changed files with 21 additions and 9 deletions
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30
lsplant/src/main/jni/lsplant.cc
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@ -613,6 +613,26 @@ std::string GetProxyMethodShorty(JNIEnv *env, jobject proxy_method) {
return out; return out;
} }
struct JavaDebuggableGuard {
JavaDebuggableGuard() {
std::unique_lock lk(lock);
if (count.fetch_add(1, std::memory_order_acq_rel) == 0) {
Runtime::Current()->SetJavaDebuggable(
Runtime::RuntimeDebugState::kJavaDebuggableAtInit);
}
}
~JavaDebuggableGuard() {
std::unique_lock lk(lock);
if (count.fetch_sub(1, std::memory_order_acq_rel) == 1) {
Runtime::Current()->SetJavaDebuggable(Runtime::RuntimeDebugState::kNonJavaDebuggable);
}
}
inline static std::atomic_size_t count{0};
inline static std::mutex lock;
};
} // namespace } // namespace
inline namespace v2 { inline namespace v2 {
@ -819,15 +839,7 @@ using ::lsplant::IsHooked;
} }
[[maybe_unused]] bool MakeDexFileTrusted(JNIEnv *env, jobject cookie) { [[maybe_unused]] bool MakeDexFileTrusted(JNIEnv *env, jobject cookie) {
struct Guard { JavaDebuggableGuard guard;
Guard() {
Runtime::Current()->SetJavaDebuggable(
Runtime::RuntimeDebugState::kJavaDebuggableAtInit);
}
~Guard() {
Runtime::Current()->SetJavaDebuggable(Runtime::RuntimeDebugState::kNonJavaDebuggable);
}
} guard;
if (!cookie) return false; if (!cookie) return false;
return DexFile::SetTrusted(env, cookie); return DexFile::SetTrusted(env, cookie);
} }