* io.c (io_fflush): don't retry when wbuf modified by other threads.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 8 deletions

diff --git a/io.c b/io.c
index cb0a7b2853..10e8cb9dd6 100644
--- a/io.c
+++ b/io.c
@@ -545,14 +545,8 @@ io_fflush(rb_io_t *fptr)
         l = PIPE_BUF;
     }
     r = rb_write_internal(fptr->fd, fptr->wbuf+wbuf_off, l);
-    if (wbuf_off != fptr->wbuf_off || fptr->wbuf_len < wbuf_len) {
-        /* xxx: Other threads modified wbuf in non-append operation.
-         * This condition can be false negative if other threads
-         * flush this IO and fill the buffer.
-         * A lock is required, definitely.
-         */
-        goto retry;
-    }
+    /* xxx: Other threads modified wbuf in non-append operation.
+     * A lock is required, definitely. */
     rb_io_check_closed(fptr);
     if (fptr->wbuf_len <= r) {
         fptr->wbuf_off = 0;