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=-2.9 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 5B4B0207BC for ; Fri, 21 Apr 2017 18:32:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1041589AbdDUScF (ORCPT ); Fri, 21 Apr 2017 14:32:05 -0400 Received: from mail-qt0-f195.google.com ([209.85.216.195]:34865 "EHLO mail-qt0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1041547AbdDUSb5 (ORCPT ); Fri, 21 Apr 2017 14:31:57 -0400 Received: by mail-qt0-f195.google.com with SMTP id o36so12937504qtb.2 for ; Fri, 21 Apr 2017 11:31:57 -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=y3fTTRmqTrzj/orzSglRjs4Ij/6/57I9H8Y0TfChTT8=; b=LfaSD12gNtvRcXxjkRXAH9i5CECJngixiMSKHzykptd3m2ca402xBAMfXuQC3hzeMZ UB48FWeGUOYv03qu3pyKnuRbyLPrqeOvyH5OX2C1rqG/HNqY5v6VTZD5yZeUZYIJyW9f Q2uVTD0IrglhqW6f11bIUqKSPMDiv24tce3scTNgzgcwBerWktlhjUnwgknMKCh0WH2B AKaN8pd1/JCa1vHD33IZ45pvhB/aQdeUTumBwqjktEXab5a1esGRgQY9uK/L/MBEJMi4 FL4UPpSawKaBDS/Ts4OwBwl9usUpgsSUkgKOe3YT4PrI4fVJ/MuqvpN7elvbFn/w9xlT jq3Q== 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=y3fTTRmqTrzj/orzSglRjs4Ij/6/57I9H8Y0TfChTT8=; b=Y8Ntt1KflXoCLw3rFEZIoPA7WQ1twA6/lnirz6jhnBGi0ucJhM8pczGFNtNj3FTXsa h4xCkwY9c5n/mzA2XpmJps6S8kZN/K0kRDmrHEiJA7cfmSRAwgQXwnZ6PUQd94vxasTT zrBJQCypu4/o5028eJT51IDTE+VTfGxug0pjfACASqBI8pkZEe40U2mRzSA0xhOpnfL6 EBbHtm9fy3glYaochKZZtdBjNha6vBXPhVSrcNLsqK2T5GWyWWxm+0orhQvR8gOVmTNu 9ty3b5NVADGIRkE/GuLonocSvpfvcf6wo24M7E5m9WBCjOyk5nTckYXUfdwqoDjg8W2h tLFQ== X-Gm-Message-State: AN3rC/40UQp/UbOCYvUUUO9t4XsvOQUSNeqD4lYrXkm6ba1eGEc/sZ6u c9T/L/mAd8fC1uyXkEA= X-Received: by 10.200.54.237 with SMTP id b42mr14207257qtc.233.1492795596243; Fri, 21 Apr 2017 10:26:36 -0700 (PDT) Received: from localhost.localdomain ([65.222.173.206]) by smtp.gmail.com with ESMTPSA id g66sm6700551qkb.55.2017.04.21.10.26.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 21 Apr 2017 10:26:34 -0700 (PDT) From: Ben Peart X-Google-Original-From: Ben Peart To: git@vger.kernel.org Cc: gitster@pobox.com, benpeart@microsoft.com, christian.couder@gmail.com, larsxschneider@gmail.com Subject: [PATCH v6 0/8] refactor the filter process code into a reusable module Date: Fri, 21 Apr 2017 13:26:03 -0400 Message-Id: <20170421172611.12152-1-benpeart@microsoft.com> X-Mailer: git-send-email 2.12.0.windows.1.33.g243d9b384c 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_read_line_gently() convert: move packet_write_list() into pkt-line as packet_writel() 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 | 59 ++++++++++ Makefile | 1 + convert.c | 161 ++++++---------------------- pkt-line.c | 33 +++++- pkt-line.h | 11 ++ sub-process.c | 106 ++++++++++++++++++ sub-process.h | 49 +++++++++ 7 files changed, 291 insertions(+), 129 deletions(-) create mode 100644 Documentation/technical/api-sub-process.txt create mode 100644 sub-process.c create mode 100644 sub-process.h -- 2.12.0.windows.1.33.g243d9b384c