Method patchLibraries

src/nativeLockTracer.cpp:97–119

}

void NativeLockTracer::patchLibraries() {
    MutexLocker ml(_patch_lock);

    CodeCacheArray* native_libs = Profiler::instance()->nativeLibs();
    int native_lib_count = native_libs->count();

    while (_patched_libs < native_lib_count) {
        CodeCache* cc = (*native_libs)[_patched_libs++];

        if (cc->contains((const void*)NativeLockTracer::initialize)) {
            continue;
        }

        UnloadProtection handle(cc);
        if (!handle.isValid()) {
            continue;
        }

        cc->patchImport(im_pthread_mutex_lock, (void*)pthread_mutex_lock_hook);
        cc->patchImport(im_pthread_rwlock_rdlock, (void*)pthread_rwlock_rdlock_hook);
        cc->patchImport(im_pthread_rwlock_wrlock, (void*)pthread_rwlock_wrlock_hook);
    }
}

void NativeLockTracer::recordNativeLock(void* address, u64 start_time, u64 end_time) {
    const u64 duration_ticks = end_time - start_time;