archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 07:14:30 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8221967: InternTest.java timed out

Browse source 
Move redundant table lookup and make rehashing be a needed guaranteed safepoint cleanup action.

Reviewed-by: dholmes, rehn
This commit is contained in:
Coleen Phillimore 2019-05-20 10:06:07 -04:00
parent b08841af0d
commit e47584d00d
3 changed files with 16 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/hotspot/share/classfile/symbolTable.cpp
View file

@ -481,14 +481,17 @@ Symbol* SymbolTable::do_add_if_needed(const char* name, int len, uintx hash, boo
Thread* THREAD = Thread::current();
do {
if (_local_table->get(THREAD, lookup, stg, &rehash_warning)) {
sym = stg.get_res_sym();
break;
}
// Callers have looked up the symbol once, insert the symbol.
sym = allocate_symbol(name, len, heap);
if (_local_table->insert(THREAD, lookup, sym, &rehash_warning, &clean_hint)) {
break;
}
// In case another thread did a concurrent add, return value already in the table.
// This could fail if the symbol got deleted concurrently, so loop back until success.
if (_local_table->get(THREAD, lookup, stg, &rehash_warning)) {
sym = stg.get_res_sym();
break;
}
} while(true);
update_needs_rehash(rehash_warning);