* include/ruby/io.h (rb_io_t): add tied_io_for_writing member.

* io.c: use tied_io_for_writing for duplex popen.

* gc.c: mark tied_io_for_writing.

* common.mk: gc.o depends io.h.

  [ruby-dev:32205]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 09a3417730..acb81b00dc 100644
--- a/gc.c
+++ b/gc.c
@@ -17,6 +17,7 @@
 #include "ruby/st.h"
 #include "ruby/node.h"
 #include "ruby/re.h"
+#include "ruby/io.h"
 #include "vm_core.h"
 #include "gc.h"
 #include <stdio.h>
@@ -1080,6 +1081,9 @@ gc_mark_children(VALUE ptr, int lev)
 	break;
 
       case T_FILE:
+	gc_mark(obj->as.file.fptr->tied_io_for_writing, lev);
+        break;
+
       case T_REGEXP:
       case T_FLOAT:
       case T_BIGNUM: