* signal.c (signal_exec): add volatile to make sure setjmp safe.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37857 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/signal.c b/signal.c
index ea82faf500..713e5cd5b6 100644
--- a/signal.c
+++ b/signal.c
@@ -624,7 +624,7 @@ static void
 signal_exec(VALUE cmd, int safe, int sig)
 {
     rb_thread_t *cur_th = GET_THREAD();
-    int old_in_trap = cur_th->in_trap;
+    volatile int old_in_trap = cur_th->in_trap;
     int state;
 
     cur_th->in_trap = 1;
@@ -634,6 +634,7 @@ signal_exec(VALUE cmd, int safe, int sig)
 	rb_eval_cmd(cmd, rb_ary_new3(1, signum), safe);
     }
     TH_POP_TAG();
+    cur_th = GET_THREAD();
     cur_th->in_trap = old_in_trap;
 
     if (state) {