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Add GC safety check before clearing major GC vars

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This commit is contained in:
Justin Ethier 2016-03-02 19:35:14 -05:00
parent abdce5d978
commit 127acb143e
1 changed files with 14 additions and 1 deletions
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15
gc.c
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@ -708,6 +708,19 @@ void vpbuffer_free(void **buf)
void gc_zero_read_write_counts(gc_thread_data *thd) void gc_zero_read_write_counts(gc_thread_data *thd)
{ {
pthread_mutex_lock(&(thd->lock)); pthread_mutex_lock(&(thd->lock));
#if GC_SAFETY_CHECKS
if (thd->last_read < thd->last_write) {
fprintf(stderr,
"gc_zero_read_write_counts - last_read (%d) < last_write (%d)\n",
thd->last_read,
thd->last_write);
}
else if (thd->pending_writes) {
fprintf(stderr,
"gc_zero_read_write_counts - pending_writes (%d) is not zero\n",
thd->pending_writes);
}
#endif
thd->last_write = 0; thd->last_write = 0;
thd->last_read = 0; thd->last_read = 0;
thd->pending_writes = 0; thd->pending_writes = 0;
@ -936,7 +949,7 @@ void gc_collector_trace()
pthread_mutex_lock(&(m->lock)); pthread_mutex_lock(&(m->lock));
if (m->last_read < m->last_write) { if (m->last_read < m->last_write) {
#if GC_SAFETY_CHECKS #if GC_SAFETY_CHECKS
fprintf(stderr, "JAE DEBUG - might have exited trace early\n"); fprintf(stderr, "gc_collector_trace - might have exited trace early\n");
#endif #endif
clean = 0; clean = 0;
} }