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Partial GC coop for blocked mutator

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Justin Ethier 2015-12-22 23:07:35 -05:00
parent ec8821b9ef
commit 785923f955
1 changed files with 13 additions and 1 deletions
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14
gc.c
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@ -1157,7 +1157,19 @@ void gc_wait_handshake()
thread_status = ATOMIC_GET(&(m->thread_state));
if (thread_status == CYC_THREAD_STATE_BLOCKED) {
// CAS
// Cooperate for the blocked mutator
if (statusc != STATUS_ASYNC) { // TODO: need code to handle this
ATOMIC_SET_IF_EQ(&(m->gc_status), statusc, statusm);
if (statusc == STATUS_SYNC1) {
// Async is done, so clean up old mark data from the last collection
pthread_mutex_lock(&(m->lock));
m->last_write = 0;
m->last_read = 0;
m->pending_writes = 0;
pthread_mutex_unlock(&(m->lock));
}
// TODO: else if (statusc == STATUS_ASYNC)
}
} else if (thread_status == CYC_THREAD_STATE_TERMINATED) {
// Thread is no longer running
break;