From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.1 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RCVD_IN_SORBS_SPAM, RP_MATCHES_RCVD shortcircuit=no autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 8642220958 for ; Wed, 29 Mar 2017 15:51:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752942AbdC2PvG (ORCPT ); Wed, 29 Mar 2017 11:51:06 -0400 Received: from mail-qk0-f193.google.com ([209.85.220.193]:36346 "EHLO mail-qk0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752805AbdC2PvD (ORCPT ); Wed, 29 Mar 2017 11:51:03 -0400 Received: by mail-qk0-f193.google.com with SMTP id r142so2576179qke.3 for ; Wed, 29 Mar 2017 08:51:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=Cj1TpgH3SurDSxv9g8z9eXoWP5mH4LB24RVVJwJ8fFY=; b=eV3V9wqZJl1HepHInjDNT11XuZuK154JYr6oVmjP7R08Nes6ANKSjVpl+50T+xGfYL 1Cak1CyQDyVhNN12ADTMcykaLqHj85KwLCxwmncI+pXjfEX4arBuaTm0qKUZTHL9c7h5 7rHaMylQPzgtJtyxw0zNAih+m85vsYThOooueVz2sYsRP293BYUa/5C93ZXCjVHYK34S DIblVLvX5HXAAZUqWVEfqf+336LG9kzI+/C2GtzYgIbLIfODwdRK3VXRupdqg8u7W3qE ljYKKnz32gJpHyFsdShTxLwBm7GOYssSSFKIXnMx1xvseVohvcwm3dPn5JoF0KSCXeZC HA8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Cj1TpgH3SurDSxv9g8z9eXoWP5mH4LB24RVVJwJ8fFY=; b=bQ5uaO1Q3UK1O2NY9MQdyRfq7gWibmIqmGwD1ZJpLSkoewuuUdU8+OyZM8ESe9uxys dlSqSAltlhbZQ0Zk1zFGTMJtkUcHJmz5KUP6Bb4MEg+d3r7FBUaAHEOKCQkjmYuLufSI hYN+Do6+FxaXloIeWx4yRWcwa74bXS3x7ZSvKjKHbQi4USy6LfYxVe0VG2LNPSmgWPzv gFNmB43YnuvmxZndg0K01NbPE/bga3IfWCtt3MXCaOwMRF66OHZbHyJKhrqqaHjQx3pJ k0BvVJtFIMxJl0WgE8KhzTRkBLvnd9lokGQcNgNWGxnefJ6SElu4awy7KmXCnvU0dSip ZSjg== X-Gm-Message-State: AFeK/H3JzDNcAGArCygk0SNp2YN+21ayCn+dI4Tg8KwO3H51GG+txYrOnKRjr1Z8ah6YRw== X-Received: by 10.55.110.129 with SMTP id j123mr1124353qkc.309.1490802657186; Wed, 29 Mar 2017 08:50:57 -0700 (PDT) Received: from localhost.localdomain ([65.222.173.206]) by smtp.gmail.com with ESMTPSA id p19sm5162760qtp.36.2017.03.29.08.50.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 29 Mar 2017 08:50:56 -0700 (PDT) From: Ben Peart X-Google-Original-From: Ben Peart To: git@vger.kernel.org Cc: benpeart@microsoft.com, christian.couder@gmail.com, larsxschneider@gmail.com Subject: [PATCH v3 0/8] refactor the filter process code into a reusable module Date: Wed, 29 Mar 2017 11:50:32 -0400 Message-Id: <20170329155040.31224-1-benpeart@microsoft.com> X-Mailer: git-send-email 2.12.1.gvfs.1.18.ge47db72 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Refactor the filter..process code into a separate sub-process module that can be used to reduce the cost of starting up a sub-process for multiple commands. It does this by keeping the external process running and processing all commands by communicating over standard input and standard output using the packet format (pkt-line) based protocol. Full documentation is in Documentation/technical/api-sub-process.txt. This code is refactored from: Commit edcc85814c ("convert: add filter..process option", 2016-10-16) keeps the external process running and processes all commands Ben Peart (8): pkt-line: add packet_writel() and packet_read_line_gently() convert: Update convert to use new packet_writel() function convert: Split start_multi_file_filter into two separate functions convert: Separate generic structures and variables from the filter specific ones convert: Update generic functions to only use generic data structures convert: rename reusable sub-process functions sub-process: move sub-process functions into separate files convert: Update subprocess_read_status to not die on EOF Documentation/technical/api-sub-process.txt | 54 ++++++++++ Makefile | 1 + convert.c | 159 +++++----------------------- pkt-line.c | 31 ++++++ pkt-line.h | 11 ++ sub-process.c | 120 +++++++++++++++++++++ sub-process.h | 46 ++++++++ 7 files changed, 292 insertions(+), 130 deletions(-) create mode 100644 Documentation/technical/api-sub-process.txt create mode 100644 sub-process.c create mode 100644 sub-process.h -- 2.12.1.gvfs.1.18.ge47db72