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authorIan Lance Taylor <ian@gcc.gnu.org>2010-12-14 05:16:18 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2010-12-14 05:16:18 +0000
commitcac7efc966071ab8b1dc2faef70a698c45dfc895 (patch)
tree0663c9cf06648a1067ddd04373651e98c79fa524
parent3a9ed12a583c79068fbd60f1314bed397f79d25f (diff)
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Release cache while holding thread lock.
Don't bother to hold thread lock while allocating cache. From-SVN: r167784
-rw-r--r--libgo/runtime/go-go.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/libgo/runtime/go-go.c b/libgo/runtime/go-go.c
index a97b7af..55aa3e3 100644
--- a/libgo/runtime/go-go.c
+++ b/libgo/runtime/go-go.c
@@ -107,11 +107,11 @@ remove_current_thread (void)
if (list_entry->next != NULL)
list_entry->next->prev = list_entry->prev;
+ runtime_MCache_ReleaseAll (mcache);
+
i = pthread_mutex_unlock (&__go_thread_ids_lock);
__go_assert (i == 0);
- runtime_MCache_ReleaseAll (mcache);
-
runtime_lock (&runtime_mheap);
mstats.heap_alloc += mcache->local_alloc;
mstats.heap_objects += mcache->local_objects;
@@ -225,14 +225,13 @@ __go_go (void (*pfn) (void*), void *arg)
newm->list_entry = list_entry;
+ newm->mcache = runtime_allocmcache ();
+
/* Add the thread to the list of all threads, marked as tentative
since it is not yet ready to go. */
i = pthread_mutex_lock (&__go_thread_ids_lock);
__go_assert (i == 0);
- /* We use __go_thread_ids_lock as a lock for mheap.cachealloc. */
- newm->mcache = runtime_allocmcache ();
-
if (__go_all_thread_ids != NULL)
__go_all_thread_ids->prev = list_entry;
list_entry->next = __go_all_thread_ids;