From: Junio C Hamano <gitster@pobox•com>
To: Stefan Beller <sbeller@google•com>
Cc: Duy Nguyen <pclouds@gmail•com>,
"git\@vger.kernel.org" <git@vger•kernel.org>,
Johannes Schindelin <Johannes.Schindelin@gmx•de>,
Johannes Sixt <j6t@kdbg•org>, Jeff King <peff@peff•net>,
Brandon Williams <bmwill@google•com>,
Simon Ruderich <simon@ruderich•org>
Subject: Re: [PATCHv2 1/2] attr: convert to new threadsafe API
Date: Wed, 26 Oct 2016 17:16:41 -0700 [thread overview]
Message-ID: <xmqqfuniabo6.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <CAGZ79kaR4DddoHQNUUvRAY=_PK5qqS=ws_Wkfa-EXT2seN5b=A@mail.gmail.com> (Stefan Beller's message of "Wed, 26 Oct 2016 17:08:14 -0700")
Stefan Beller <sbeller@google•com> writes:
> +* Allocate an array of `struct git_attr_result` either on the stack
> + or via `git_attr_result_alloc` on the heap when the result size
> + is not known at compile time. The call to initialize
> the result is not thread safe, because different threads need their
> own thread local result anyway.
Do you want to keep the last sentence? "The call to initialize the
result is not thread safe..."? Is that true?
> @@ -103,7 +105,7 @@ To see how attributes "crlf" and "ident" are set
> for different paths.
> const char *path;
> struct git_attr_result result[2];
>
> - git_check_attr(path, check, result);
> + git_check_attr(path, &check, result);
What's the point of this change? Isn't check typically a pointer
already?
next prev parent reply other threads:[~2016-10-27 0:16 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-22 23:31 [PATCHv2 00/36] Revamping the attr subsystem! Stefan Beller
2016-10-22 23:31 ` [PATCH 01/36] commit.c: use strchrnul() to scan for one line Stefan Beller
2016-10-22 23:31 ` [PATCH 02/36] attr.c: " Stefan Beller
2016-10-22 23:31 ` [PATCH 03/36] attr.c: update a stale comment on "struct match_attr" Stefan Beller
2016-10-22 23:31 ` [PATCH 04/36] attr.c: explain the lack of attr-name syntax check in parse_attr() Stefan Beller
2016-10-22 23:31 ` [PATCH 05/36] attr.c: complete a sentence in a comment Stefan Beller
2016-10-22 23:31 ` [PATCH 06/36] attr.c: mark where #if DEBUG ends more clearly Stefan Beller
2016-10-22 23:31 ` [PATCH 07/36] attr.c: simplify macroexpand_one() Stefan Beller
2016-10-22 23:31 ` [PATCH 08/36] attr.c: tighten constness around "git_attr" structure Stefan Beller
2016-10-22 23:31 ` [PATCH 09/36] attr.c: plug small leak in parse_attr_line() Stefan Beller
2016-10-22 23:31 ` [PATCH 10/36] attr: rename function and struct related to checking attributes Stefan Beller
2016-10-22 23:32 ` [PATCH 11/36] attr: (re)introduce git_check_attr() and struct git_attr_check Stefan Beller
2016-10-22 23:32 ` [PATCH 12/36] attr: convert git_all_attrs() to use "struct git_attr_check" Stefan Beller
2016-10-22 23:32 ` [PATCH 13/36] attr: convert git_check_attrs() callers to use the new API Stefan Beller
2016-10-22 23:32 ` [PATCH 14/36] attr: retire git_check_attrs() API Stefan Beller
2016-10-22 23:32 ` [PATCH 15/36] attr: add counted string version of git_check_attr() Stefan Beller
2016-10-22 23:32 ` [PATCH 16/36] attr: add counted string version of git_attr() Stefan Beller
2016-10-22 23:32 ` [PATCH 17/36] attr: expose validity check for attribute names Stefan Beller
2016-10-23 15:07 ` Ramsay Jones
2016-10-24 21:07 ` Stefan Beller
2016-10-27 20:57 ` Stefan Beller
2016-10-26 21:20 ` [PATCH] attr: expose error reporting function for invalid " Stefan Beller
2016-10-22 23:32 ` [PATCH 18/36] attr: support quoting pathname patterns in C style Stefan Beller
2016-10-22 23:32 ` [PATCH 19/36] attr.c: add push_stack() helper Stefan Beller
2016-10-22 23:32 ` [PATCH 20/36] attr.c: pass struct git_attr_check down the callchain Stefan Beller
2016-10-22 23:32 ` [PATCH 21/36] attr.c: rename a local variable check Stefan Beller
2016-10-22 23:32 ` [PATCH 22/36] attr.c: correct ugly hack for git_all_attrs() Stefan Beller
2016-10-22 23:32 ` [PATCH 23/36] attr.c: introduce empty_attr_check_elems() Stefan Beller
2016-10-22 23:32 ` [PATCH 24/36] attr.c: always pass check[] to collect_some_attrs() Stefan Beller
2016-10-22 23:32 ` [PATCH 25/36] attr.c: outline the future plans by heavily commenting Stefan Beller
2016-10-22 23:32 ` [PATCH 26/36] attr: make git_check_attr_counted static Stefan Beller
2016-10-22 23:32 ` [PATCH 27/36] attr: convert to new threadsafe API Stefan Beller
2016-10-24 18:55 ` Junio C Hamano
2016-10-24 19:18 ` Stefan Beller
2016-10-26 14:06 ` Duy Nguyen
2016-10-26 8:52 ` Johannes Schindelin
2016-10-26 9:35 ` Simon Ruderich
2016-10-26 12:15 ` Jeff King
2016-10-26 19:51 ` Stefan Beller
2016-10-26 20:20 ` Jeff King
2016-10-26 20:25 ` Johannes Sixt
2016-10-26 20:26 ` Jeff King
2016-10-26 20:40 ` Johannes Sixt
2016-10-26 20:46 ` Stefan Beller
2016-10-26 22:41 ` [PATCHv2 1/2] " Stefan Beller
2016-10-26 23:14 ` Junio C Hamano
2016-10-27 0:08 ` Stefan Beller
2016-10-27 0:16 ` Junio C Hamano [this message]
2016-10-27 0:22 ` Stefan Beller
2016-10-27 0:50 ` Junio C Hamano
2016-10-27 0:49 ` Junio C Hamano
2016-10-27 2:19 ` Stefan Beller
2016-10-27 4:13 ` Junio C Hamano
2016-10-27 5:44 ` Junio C Hamano
2016-10-27 22:15 ` [PATCH] " Stefan Beller
2016-10-28 8:55 ` Johannes Schindelin
2016-10-28 17:20 ` Junio C Hamano
2016-10-28 17:30 ` Junio C Hamano
2016-10-28 18:16 ` Johannes Sixt
2016-10-26 20:43 ` [PATCH 27/36] " Stefan Beller
2016-10-26 13:52 ` Duy Nguyen
2016-10-22 23:32 ` [PATCH 28/36] attr: keep attr stack for each check Stefan Beller
2016-10-23 15:10 ` Ramsay Jones
2016-10-26 23:10 ` Stefan Beller
2016-10-24 19:07 ` Junio C Hamano
2016-10-24 19:32 ` Stefan Beller
2016-10-24 20:29 ` Junio C Hamano
2016-10-22 23:32 ` [PATCH 29/36] Documentation: fix a typo Stefan Beller
2016-10-22 23:32 ` [PATCH 30/36] pathspec: move long magic parsing out of prefix_pathspec Stefan Beller
2016-10-22 23:32 ` [PATCH 31/36] pathspec: move prefix check out of the inner loop Stefan Beller
2016-10-22 23:32 ` [PATCH 32/36] pathspec: allow querying for attributes Stefan Beller
2016-10-26 13:33 ` Duy Nguyen
2016-10-27 21:32 ` Stefan Beller
2016-10-27 18:29 ` Junio C Hamano
2016-11-09 9:45 ` Duy Nguyen
2016-11-09 18:08 ` Stefan Beller
2016-11-09 22:25 ` Junio C Hamano
2016-10-22 23:32 ` [PATCH 33/36] pathspec: allow escaped query values Stefan Beller
2016-10-22 23:32 ` [PATCH 34/36] submodule update: add `--init-default-path` switch Stefan Beller
2016-10-22 23:32 ` [PATCH 35/36] clone: add --init-submodule=<pathspec> switch Stefan Beller
2016-10-22 23:32 ` [PATCH 36/36] completion: clone can initialize specific submodules Stefan Beller
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