diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-10-20 06:41:24 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-10-20 06:41:24 +0000 |
| commit | de004e3a5cbaf4ae586e493a2b6911f463ffe6e3 (patch) | |
| tree | 97c1414aaab4fc0a825e19ebe6c1c4ac884194b4 /ChangeLog | |
| parent | c6b9f2913a66e9c9d1746b3ba3564858dd5eb5b3 (diff) | |
| download | ruby-de004e3a5cbaf4ae586e493a2b6911f463ffe6e3.tar.gz | |
io.c: make IO#reopen("pathname") atomic
* io.c (rb_io_reopen): create a new, temporary FD via rb_sysopen and
call rb_cloexec_dup2 on it to atomically replace the file fptr->fd
points to. This leaves no possible window where fptr->fd is invalid
to userspace (even for any threads running w/o GVL). based on the
patch by Eric Wong <normalperson@yhbt.net> at [ruby-core:57943].
[Bug #9036]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -1,3 +1,12 @@ +Sun Oct 20 15:41:22 2013 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * io.c (rb_io_reopen): create a new, temporary FD via rb_sysopen and + call rb_cloexec_dup2 on it to atomically replace the file fptr->fd + points to. This leaves no possible window where fptr->fd is invalid + to userspace (even for any threads running w/o GVL). based on the + patch by Eric Wong <normalperson@yhbt.net> at [ruby-core:57943]. + [Bug #9036] + Sun Oct 20 15:29:05 2013 Nobuyoshi Nakada <nobu@ruby-lang.org> * error.c (rb_syserr_fail_path_in): new function split from |