* io.c (rb_cloexec_open): use O_CLOEXEC if available.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/io.c b/io.c
index 806d095139..98484e8958 100644
--- a/io.c
+++ b/io.c
@@ -191,6 +191,9 @@ int
 rb_cloexec_open(const char *pathname, int flags, mode_t mode)
 {
     int ret;
+#ifdef O_CLOEXEC
+    flags |= O_CLOEXEC;
+#endif
     ret = open(pathname, flags, mode);
     if (ret == -1) return -1;
     fd_set_cloexec(ret);