Message ID | b33b5c15e7c04c0766b6d5f969d225b3e3ce3048.1647544751.git.fweimer@redhat.com |
---|---|
State | Superseded |
Headers |
Return-Path: <libc-alpha-bounces+patchwork=sourceware.org@sourceware.org> X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 8E582384602A for <patchwork@sourceware.org>; Thu, 17 Mar 2022 19:45:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8E582384602A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1647546338; bh=SC6z38Vy2tno0bG3x6hvndLjdHHndybWU5wY/YIV01Q=; h=To:Subject:In-Reply-To:References:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=lJdPdO4Une7XpDMnccIGvcpqRUqM66nPwcuCfx7o9byDTMNZ3SvMBwMlWDEWIm2ue uzpHn8KhICLr+YHEm+fI/WhIZQ+v55qKpxjn7QyjJ3pSTter84oOz00raRKh9eRWQx P64PSyNV1cSEaGcOKpdYbA081z6ZoaQu7nc4QY+Y= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 8A9213870886 for <libc-alpha@sourceware.org>; Thu, 17 Mar 2022 19:31:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8A9213870886 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-119-WpA9kUHjM3OM0iMC4T6GMw-1; Thu, 17 Mar 2022 15:31:42 -0400 X-MC-Unique: WpA9kUHjM3OM0iMC4T6GMw-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BDBC43801ED7 for <libc-alpha@sourceware.org>; Thu, 17 Mar 2022 19:31:41 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.88]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2CB9C469A51 for <libc-alpha@sourceware.org>; Thu, 17 Mar 2022 19:31:40 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH 21/26] stdio-common: Add lock optimization to vfprintf and vfwprintf In-Reply-To: <cover.1647544751.git.fweimer@redhat.com> References: <cover.1647544751.git.fweimer@redhat.com> X-From-Line: b33b5c15e7c04c0766b6d5f969d225b3e3ce3048 Mon Sep 17 00:00:00 2001 Message-Id: <b33b5c15e7c04c0766b6d5f969d225b3e3ce3048.1647544751.git.fweimer@redhat.com> Date: Thu, 17 Mar 2022 20:31:37 +0100 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list <libc-alpha.sourceware.org> List-Unsubscribe: <https://sourceware.org/mailman/options/libc-alpha>, <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe> List-Archive: <https://sourceware.org/pipermail/libc-alpha/> List-Post: <mailto:libc-alpha@sourceware.org> List-Help: <mailto:libc-alpha-request@sourceware.org?subject=help> List-Subscribe: <https://sourceware.org/mailman/listinfo/libc-alpha>, <mailto:libc-alpha-request@sourceware.org?subject=subscribe> From: Florian Weimer via Libc-alpha <libc-alpha@sourceware.org> Reply-To: Florian Weimer <fweimer@redhat.com> Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" <libc-alpha-bounces+patchwork=sourceware.org@sourceware.org> |
Series |
vfprintf rework to remove vtables
|
|
Checks
Context | Check | Description |
---|---|---|
dj/TryBot-apply_patch | success | Patch applied to master at the time it was sent |
Commit Message
Florian Weimer
March 17, 2022, 7:31 p.m. UTC
After the rewrite and the implicit unbuffered streams handling, this is very straightforward to add. --- stdio-common/vfprintf-internal.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/stdio-common/vfprintf-internal.c b/stdio-common/vfprintf-internal.c index 83a6aea510..23ada8d0ff 100644 --- a/stdio-common/vfprintf-internal.c +++ b/stdio-common/vfprintf-internal.c @@ -1452,6 +1452,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap, unsigned int mode_flags) return EOF; #endif + if (!_IO_need_lock (s)) + { + struct Xprintf (buffer_to_file) wrap; + Xprintf (buffer_to_file_init) (&wrap, s); + Xprintf_buffer (&wrap.base, format, ap, mode_flags); + return Xprintf (buffer_to_file_done) (&wrap); + } + int done; /* Lock stream. */