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*/
// Next entry in class path inline ClassPathEntry* ClassPathEntry::next() const { return Atomic::load_acquire(&_next); }
inlinevoid ClassPathEntry::set_next(ClassPathEntry* next) { // may have unlocked readers, so ensure visibility.
Atomic::release_store(&_next, next);
}
inline ClassPathEntry* ClassLoader::classpath_entry(int n) {
assert(n >= 0, "sanity"); if (n == 0) {
assert(has_jrt_entry(), "No class path entry at 0 for exploded module builds"); return ClassLoader::_jrt_entry;
} else { // The java runtime image is always the first entry // in the FileMapInfo::_classpath_entry_table. Even though // the _jrt_entry is not included in the _first_append_entry // linked list, it must be accounted for when comparing the // class path vs. the shared archive class path.
ClassPathEntry* e = first_append_entry(); while (--n >= 1) {
assert(e != NULL, "Not that many classpath entries.");
e = e->next();
} return e;
}
}
// Helper function used by CDS code to get the number of boot classpath // entries during shared classpath setup time.
inlineint ClassLoader::num_boot_classpath_entries() {
Arguments::assert_is_dumping_archive();
assert(has_jrt_entry(), "must have a java runtime image"); int num_entries = 1; // count the runtime image
ClassPathEntry* e = first_append_entry(); while (e != NULL) {
num_entries ++;
e = e->next();
} return num_entries;
}
inline ClassPathEntry* ClassLoader::get_next_boot_classpath_entry(ClassPathEntry* e) { if (e == ClassLoader::_jrt_entry) { return first_append_entry();
} else { return e->next();
}
}
// Helper function used by CDS code to get the number of app classpath // entries during shared classpath setup time. inlineint ClassLoader::num_app_classpath_entries() {
Arguments::assert_is_dumping_archive(); int num_entries = 0;
ClassPathEntry* e= ClassLoader::_app_classpath_entries; while (e != NULL) {
num_entries ++;
e = e->next();
} return num_entries;
}
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