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8209622: applications/kitchensink/Kitchensink.java failed with Kitchensink failed with exit code = 138

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SymbolTableLock no longer checks for safepoints

Reviewed-by: coleenp, rehn
This commit is contained in:
Gerard Ziemski 2018-08-24 09:12:51 -05:00
parent e2081b42b5
commit e0559bdd88
3 changed files with 6 additions and 6 deletions
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4
src/hotspot/share/classfile/symbolTable.cpp
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@ -134,7 +134,7 @@ SymbolTable::SymbolTable() :
void SymbolTable::delete_symbol(Symbol* sym) {
if (sym->refcount() == PERM_REFCOUNT) {
MutexLocker ml(SymbolTable_lock); // Protect arena
MutexLockerEx ml(SymbolArena_lock, Mutex::_no_safepoint_check_flag); // Protect arena
// Deleting permanent symbol should not occur very often (insert race condition),
// so log it.
log_trace_symboltable_helper(sym, "Freeing permanent symbol");
@ -197,7 +197,7 @@ Symbol* SymbolTable::allocate_symbol(const char* name, int len, bool c_heap, TRA
assert(sym != NULL, "new should call vm_exit_out_of_memory if C_HEAP is exhausted");
} else {
// Allocate to global arena
MutexLocker ml(SymbolTable_lock); // Protect arena
MutexLockerEx ml(SymbolArena_lock, Mutex::_no_safepoint_check_flag); // Protect arena
sym = new (len, arena(), THREAD) Symbol((const u1*)name, len, PERM_REFCOUNT);
}
return sym;