* io.c (rb_cloexec_open): set O_NOINHERIT instead of O_CLOEXEC if it is

  available (for Windows).

* win32/win32.c (fcntl): on F_DUPFD, determine the inheritance of the
  new handle by O_NOINHERIT flag of original fd.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/io.c b/io.c
index 0a4c21b225..6f3cc2ee59 100644
--- a/io.c
+++ b/io.c
@@ -195,6 +195,8 @@ rb_cloexec_open(const char *pathname, int flags, mode_t mode)
 #ifdef O_CLOEXEC
     /* O_CLOEXEC is available since Linux 2.6.23.  Linux 2.6.18 silently ignore it. */
     flags |= O_CLOEXEC;
+#elif defined O_NOINHERIT
+    flags |= O_NOINHERIT;
 #endif
     ret = open(pathname, flags, mode);
     if (ret == -1) return -1;