* internal.h (rb_last_status_clear): declared.

* process.c (rb_last_status_clear): exported.
  (rb_f_system): call rb_last_status_clear.

* io.c (rb_f_backquote): call rb_last_status_clear.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/process.c b/process.c
index 25eed71a4e..e0bb84a4d2 100644
--- a/process.c
+++ b/process.c
@@ -226,7 +226,7 @@ rb_last_status_set(int status, rb_pid_t pid)
     rb_iv_set(th->last_status, "pid", PIDT2NUM(pid));
 }
 
-static void
+void
 rb_last_status_clear(void)
 {
     GET_THREAD()->last_status = Qnil;
@@ -3656,6 +3656,7 @@ rb_f_system(int argc, VALUE *argv)
 #ifdef SIGCHLD
     RETSIGTYPE (*chfunc)(int);
 
+    rb_last_status_clear();
     chfunc = signal(SIGCHLD, SIG_DFL);
 #endif
     pid = rb_spawn_internal(argc, argv, NULL, 0);