On Mon, 15 Nov 2021 10:18:52 GMT, Thomas Stuefe <stu...@openjdk.org> wrote:
>> src/hotspot/share/services/management.cpp line 1968: >> >>> 1966: >>> 1967: JVM_ENTRY(void, jmm_GetDiagnosticCommandInfo(JNIEnv *env, >>> jobjectArray cmds, >>> 1968: dcmdInfo* infoArray, jint count)) >> >> I do not see the point of the change in this case. This doesn't check for a >> mismatch between an "external" and "internal" value but between two external >> values. If you don't trust the caller to size infoArray correctly then how >> can you trust them to pass in the right "count" ? > > Well, it warns in case of programming errors. I agree, that programming error > is very unlikely since the caller has all the information he needs. And he > could pass in the wrong count. > > Idk. Mostly I changed this interface to follow the established pattern of > always passing in an explicit output buffer size. And to keep it symmetric > to``jmm_GetDiagnosticCommandArgumentsInfo` and `jmm_GetGCExtAttributeInfo`. > If you object, I'll remove this part. Hi Thomas, I kind of agree with David. The symmetry does not help in this case as it creates a bit of confusion. :) Thanks, Serguei ------------- PR: https://git.openjdk.java.net/jdk/pull/6363