Changeset: eaadb9ab037d for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=eaadb9ab037d
Modified Files:
gdk/gdk_system.c
Branch: Oct2014
Log Message:
free thread data after last use, fixes bug 3595.
diffs (44 lines):
diff --git a/gdk/gdk_system.c b/gdk/gdk_system.c
--- a/gdk/gdk_system.c
+++ b/gdk/gdk_system.c
@@ -495,7 +495,6 @@ rm_posthread(struct posthread *p, int lo
*pp = p->next;
if (lock)
pthread_mutex_unlock(&posthread_lock);
- free(p);
}
static void
@@ -512,20 +511,22 @@ thread_starter(void *arg)
static void
join_threads(void)
{
- struct posthread *p;
+ struct posthread *p, *n = NULL;
int waited;
pthread_t tid;
pthread_mutex_lock(&posthread_lock);
do {
waited = 0;
- for (p = posthreads; p; p = p->next) {
+ for (p = posthreads; p; p = n) {
+ n = p->next;
if (p->exited) {
tid = p->tid;
rm_posthread(p, 0);
pthread_mutex_unlock(&posthread_lock);
pthread_join(tid, NULL);
pthread_mutex_lock(&posthread_lock);
+ free(p);
waited = 1;
break;
}
@@ -578,6 +579,7 @@ MT_create_thread(MT_Id *t, void (*f) (vo
#endif
} else if (p) {
rm_posthread(p, 1);
+ free(p);
}
#ifdef HAVE_PTHREAD_SIGMASK
MT_thread_sigmask(&orig_mask, NULL);
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