RFR: 8292218: Convert PackageEntryTable to ResourceHashtable

[Lois Foltan]

On Thu, 11 Aug 2022 12:20:47 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This is the conversion of the PackageEntryTable, which is stored one per ClassLoaderData to ResourceHashtable.  Much like the module table and uses the Module_lock.
> Tested with tier1-3 on linux, windows, mac.

src/hotspot/share/classfile/packageEntry.cpp line 202:

> 200:         log_info(module, unload)("unloading package %s", str);
> 201:         log_debug(module)("PackageEntry: deleting module: %s", str);
> 202:       }

Not "deleting module" but "deleting package"

src/hotspot/share/classfile/packageEntry.cpp line 283:

> 281:   int n = 0;
> 282:   auto count = [&] (const Symbol*& key, PackageEntry*& p) {
> 283:     if (p->module()->name() != NULL) {

The better way to check for the unnamed module is to use the ModuleEntry::is_named() method.

src/hotspot/share/classfile/packageEntry.cpp line 293:

> 291:   n = 0;
> 292:   auto grab = [&] (const Symbol*& key, PackageEntry*& p) {
> 293:     if (p->module()->name() != NULL) {

The better way to check for the unnamed module is to use the ModuleEntry::is_named() method

-------------

PR: https://git.openjdk.org/jdk/pull/9837