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8241837: Cleanup stringStream usage in ObjectSynchronizer

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Reviewed-by: dcubed, dholmes
This commit is contained in:
Claes Redestad 2020-04-01 14:35:43 +02:00
parent 6c9d6507da
commit 8d84cf5a3b
1 changed files with 9 additions and 7 deletions
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16
src/hotspot/share/runtime/synchronizer.cpp
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@ -1281,7 +1281,6 @@ ObjectMonitor* ObjectSynchronizer::om_alloc(Thread* self) {
const int MAXPRIVATE = 1024;
NoSafepointVerifier nsv;
stringStream ss;
for (;;) {
ObjectMonitor* m;
@ -1388,10 +1387,11 @@ void ObjectSynchronizer::om_release(Thread* self, ObjectMonitor* m,
guarantee(m->object() == NULL, "invariant");
NoSafepointVerifier nsv;
stringStream ss;
guarantee((m->is_busy() | m->_recursions) == 0, "freeing in-use monitor: "
"%s, recursions=" INTX_FORMAT, m->is_busy_to_string(&ss),
m->_recursions);
if ((m->is_busy() | m->_recursions) != 0) {
stringStream ss;
fatal("freeing in-use monitor: %s, recursions=" INTX_FORMAT,
m->is_busy_to_string(&ss), m->_recursions);
}
// _next_om is used for both per-thread in-use and free lists so
// we have to remove 'm' from the in-use list first (as needed).
if (from_per_thread_alloc) {
@ -1554,8 +1554,10 @@ void ObjectSynchronizer::om_flush(Thread* self) {
free_tail = s;
free_count++;
guarantee(s->object() == NULL, "invariant");
stringStream ss;
guarantee(!s->is_busy(), "must be !is_busy: %s", s->is_busy_to_string(&ss));
if (s->is_busy()) {
stringStream ss;
fatal("must be !is_busy: %s", s->is_busy_to_string(&ss));
}
}
guarantee(free_tail != NULL, "invariant");
int l_om_free_count = Atomic::load(&self->om_free_count);