HappenLee commented on code in PR #56181:
URL: https://github.com/apache/doris/pull/56181#discussion_r2362658035
##########
be/src/util/jni_native_method.cpp:
##########
@@ -39,4 +33,81 @@ void JavaNativeMethods::memoryFree(JNIEnv* env, jclass
clazz, jlong address) {
free(reinterpret_cast<void*>(address));
}
+jlongArray JavaNativeMethods::memoryMallocBatch(JNIEnv* env, jclass clazz,
jintArray sizes) {
+ if (sizes == nullptr) {
+ return env->NewLongArray(0);
+ }
+ jsize n = env->GetArrayLength(sizes);
+ if (n <= 0) {
+ return env->NewLongArray(0);
+ }
+
+ jint* elems = env->GetIntArrayElements(sizes, nullptr);
+ if (elems == nullptr) {
+ return nullptr;
+ }
+
+ jlongArray result = env->NewLongArray(n);
+ if (result == nullptr) {
+ env->ReleaseIntArrayElements(sizes, elems, JNI_ABORT);
+ return nullptr;
+ }
+
+ std::vector<void*> allocated;
+ allocated.reserve(n);
+
+ bool failed = false;
+ for (jsize i = 0; i < n; ++i) {
+ jint sz = elems[i];
+ if (sz <= 0) {
+ allocated.push_back(nullptr);
+ continue;
+ }
+ void* p = malloc(static_cast<size_t>(sz));
+ if (p == nullptr) {
+ failed = true;
+ break;
+ }
+ allocated.push_back(p);
+ }
+
+ if (failed) {
+ for (void* p : allocated) {
+ if (p != nullptr) {
+ free(p);
+ }
+ }
+ env->ReleaseIntArrayElements(sizes, elems, JNI_ABORT);
+ return nullptr;
+ }
+
+ std::vector<jlong> addrs(n);
Review Comment:
why here direct use result the set?
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