process.c: disable vfork on OS X

* process.c (retry_fork_async_signal_safe): revert r47439 but
  disable use of vfork on OS X instead, as it cause hang-up at
  test_process.rb:test_deadlock_by_signal_at_forking with parallel
  test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47441 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/process.c b/process.c
index b5e9b38760..62566ddea3 100644
--- a/process.c
+++ b/process.c
@@ -3281,7 +3281,7 @@ recv_child_error(int fd, int *errp, char *errmsg, size_t errmsg_buflen)
     return size != 0;
 }
 
-#if defined(HAVE_WORKING_VFORK) && !defined(CANNOT_VFORK_WITH_PTHREAD)
+#ifdef HAVE_WORKING_VFORK
 #if !defined(HAVE_GETRESUID) && defined(HAVE_GETUIDX)
 /* AIX 7.1 */
 static int
@@ -3491,7 +3491,7 @@ retry_fork_async_signal_safe(int *status, int *ep,
     while (1) {
         prefork();
         disable_child_handler_before_fork(&old);
-#if defined(HAVE_WORKING_VFORK) && !defined(CANNOT_VFORK_WITH_PTHREAD)
+#ifdef HAVE_WORKING_VFORK
         if (!has_privilege())
             pid = vfork();
         else