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authorJovi Zhang <bookjovi@gmail.com>2011-12-09 05:46:45 +0800
committerHenrik Nord <henrik@erlang.org>2011-12-20 11:32:25 +0100
commit481c7b92d3a25e7c7625665ab6c554c154b5502b (patch)
tree5dcb459e1c9269002f251e040fc74f261cd355f8 /erts/emulator/beam/erl_gc.c
parent2799d29ad1123b5128498ea89d2ff5678e59b545 (diff)
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erts: reduce smp locking time range in erts_garbage_collect
get_now should be use out of process status locking, then it can reduce smp locking time range in here.
Diffstat (limited to 'erts/emulator/beam/erl_gc.c')
-rw-r--r--erts/emulator/beam/erl_gc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index eb2b945877..bcda3bf056 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -357,10 +357,11 @@ erts_garbage_collect(Process* p, int need, Eterm* objv, int nobj)
erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS);
p->gcstatus = p->status;
p->status = P_GARBING;
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
+
if (erts_system_monitor_long_gc != 0) {
get_now(&ms1, &s1, &us1);
}
- erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
ERTS_CHK_OFFHEAP(p);