diff options
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | io.c | 13 |
2 files changed, 9 insertions, 8 deletions
@@ -1,3 +1,7 @@ +Tue Oct 6 21:30:58 2009 Tanaka Akira <akr@fsij.org> + + * io.c (io_reopen): avoid close if possible. + Tue Oct 6 18:56:09 2009 Yukihiro Matsumoto <matz@ruby-lang.org> * struct.c (rb_struct_select): Struct#select should return @@ -5684,20 +5684,17 @@ io_reopen(VALUE io, VALUE nfile) fd = fptr->fd; fd2 = orig->fd; if (fd != fd2) { - if (IS_PREP_STDIO(fptr)) { - /* need to keep stdio objects */ + if (IS_PREP_STDIO(fptr) || fd <= 2 || !fptr->stdio_file) { + /* need to keep FILE objects of stdin, stdout and stderr */ if (dup2(fd2, fd) < 0) rb_sys_fail_path(orig->pathv); } else { - if (fptr->stdio_file) - fclose(fptr->stdio_file); - else - close(fptr->fd); + fclose(fptr->stdio_file); fptr->stdio_file = 0; fptr->fd = -1; - if (dup2(fd2, fd) < 0) - rb_sys_fail_path(orig->pathv); + if (dup2(fd2, fd) < 0) + rb_sys_fail_path(orig->pathv); fptr->fd = fd; } rb_thread_fd_close(fd); |