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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>
Cc: dev@dpdk.org, thomas@monjalon.net, dmitry.kozliuk@gmail.com,
	anatoly.burakov@intel.com,
	Narcisa Vasile <navasile@microsoft.com>
Subject: Re: [PATCH 3/6] eal: add basic rte thread ID equal API
Date: Mon, 13 Jun 2022 06:39:37 -0700	[thread overview]
Message-ID: <20220613133937.GA29682@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> (raw)
In-Reply-To: <a256b603-de77-6039-054b-d72c563c54ed@yandex.ru>

On Sat, Jun 11, 2022 at 01:25:56PM +0100, Konstantin Ananyev wrote:
> 
> >>>Add rte_thread_equal() that tests if two rte_thread_id are equal.
> >>>
> >>>Signed-off-by: Narcisa Vasile <navasile@microsoft.com>
> >>>Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
> >>>---
> >>>  lib/eal/common/rte_thread.c  |  6 ++++++
> >>>  lib/eal/include/rte_thread.h | 19 +++++++++++++++++++
> >>>  lib/eal/version.map          |  1 +
> >>>  3 files changed, 26 insertions(+)
> >>>
> >>>diff --git a/lib/eal/common/rte_thread.c b/lib/eal/common/rte_thread.c
> >>>index 10d6652..21ed042 100644
> >>>--- a/lib/eal/common/rte_thread.c
> >>>+++ b/lib/eal/common/rte_thread.c
> >>>@@ -6,6 +6,12 @@
> >>>  #include <rte_thread.h>
> >>>  int
> >>>+rte_thread_equal(rte_thread_t t1, rte_thread_t t2)
> >>>+{
> >>>+	return t1.opaque_id == t2.opaque_id;
> >>
> >>for posix systems, why not:
> >>return pthread_equal(t1.opaque_id, t2.opaque_id);
> >
> >because it would require 2 implementations
> 
> We already have plenty of such cases for rte_thread implementation.
> Why it became a problem here?
> 
> when this works for both
> >windows and posix platforms. (less code to maintain, no functional
> >difference).
> >
> 
> Well posix insists that the only safe way for applications to
> directly compare two pthread_t values is to call pthread_equal().
> So I'd suggest we do what is recommended.

agreed, will provide a v2 that uses pthread_equal().

  reply	other threads:[~2022-06-13 13:39 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-09 13:58 [PATCH 0/6] add thread lifetime and attributes API Tyler Retzlaff
2022-06-09 13:58 ` [PATCH 1/6] eal: add thread attributes Tyler Retzlaff
2022-06-09 13:58 ` [PATCH 2/6] eal: add thread lifetime management Tyler Retzlaff
2022-06-09 13:58 ` [PATCH 3/6] eal: add basic rte thread ID equal API Tyler Retzlaff
2022-06-09 22:24   ` Konstantin Ananyev
2022-06-10 22:48     ` Tyler Retzlaff
2022-06-11 12:25       ` Konstantin Ananyev
2022-06-13 13:39         ` Tyler Retzlaff [this message]
2022-06-10  0:40   ` fengchengwen
2022-06-09 13:58 ` [PATCH 4/6] test/threads: add tests for thread lifetime API Tyler Retzlaff
2022-06-09 13:58 ` [PATCH 5/6] test/threads: add tests for thread attributes API Tyler Retzlaff
2022-06-09 13:58 ` [PATCH 6/6] test/threads: remove unit test use of pthread Tyler Retzlaff
2022-06-14 23:47 ` [PATCH v2 0/6] add thread lifetime and attributes API Tyler Retzlaff
2022-06-14 23:47   ` [PATCH v2 1/6] eal: add thread attributes Tyler Retzlaff
2022-06-14 23:47   ` [PATCH v2 2/6] eal: add thread lifetime management Tyler Retzlaff
2022-06-18 12:59     ` Dmitry Kozlyuk
2022-06-20 17:39       ` Tyler Retzlaff
2022-06-21 16:24       ` Tyler Retzlaff
2022-06-21 18:51       ` Tyler Retzlaff
2022-06-21 19:44         ` Dmitry Kozlyuk
2022-06-21 21:28           ` Tyler Retzlaff
2022-06-21 22:24             ` Dmitry Kozlyuk
2022-06-22 18:21               ` Tyler Retzlaff
2022-06-14 23:47   ` [PATCH v2 3/6] eal: add basic rte thread ID equal API Tyler Retzlaff
2022-06-20  8:34     ` Konstantin Ananyev
2022-06-14 23:47   ` [PATCH v2 4/6] test/threads: add tests for thread lifetime API Tyler Retzlaff
2022-06-14 23:47   ` [PATCH v2 5/6] test/threads: add tests for thread attributes API Tyler Retzlaff
2022-06-14 23:47   ` [PATCH v2 6/6] test/threads: remove unit test use of pthread Tyler Retzlaff
2022-06-22 20:26 ` [PATCH v3 0/6] add thread lifetime and attributes API Tyler Retzlaff
2022-06-22 20:26   ` [PATCH v3 1/6] eal: add thread attributes Tyler Retzlaff
2022-06-22 20:26   ` [PATCH v3 2/6] eal: add thread lifetime management Tyler Retzlaff
2022-06-22 20:26   ` [PATCH v3 3/6] eal: add basic rte thread ID equal API Tyler Retzlaff
2022-06-22 20:26   ` [PATCH v3 4/6] test/threads: add tests for thread lifetime API Tyler Retzlaff
2022-06-22 20:26   ` [PATCH v3 5/6] test/threads: add tests for thread attributes API Tyler Retzlaff
2022-06-22 20:26   ` [PATCH v3 6/6] test/threads: remove unit test use of pthread Tyler Retzlaff
2022-06-27 16:56 ` [PATCH v4 0/6] add thread lifetime and attributes API Tyler Retzlaff
2022-06-27 16:56   ` [PATCH v4 1/6] eal: add thread attributes Tyler Retzlaff
2022-06-27 16:56   ` [PATCH v4 2/6] eal: add thread lifetime management Tyler Retzlaff
2022-06-27 16:56   ` [PATCH v4 3/6] eal: add basic rte thread ID equal API Tyler Retzlaff
2022-06-27 16:56   ` [PATCH v4 4/6] test/threads: add tests for thread lifetime API Tyler Retzlaff
2022-06-27 16:56   ` [PATCH v4 5/6] test/threads: add tests for thread attributes API Tyler Retzlaff
2022-06-27 16:56   ` [PATCH v4 6/6] test/threads: remove unit test use of pthread Tyler Retzlaff
2022-07-31 21:16   ` [PATCH v4 0/6] add thread lifetime and attributes API Dmitry Kozlyuk
2022-09-21  8:15   ` David Marchand
2022-09-29  7:02     ` David Marchand
2022-10-05 16:11     ` Tyler Retzlaff
2022-10-05 16:34       ` Tyler Retzlaff
2022-10-06  6:52         ` David Marchand
2022-10-06 15:14           ` Tyler Retzlaff
2022-10-06 13:36         ` Thomas Monjalon
2022-10-06 15:10           ` Tyler Retzlaff
2022-10-06 15:14             ` Thomas Monjalon
2022-10-06 15:20               ` Tyler Retzlaff
2022-10-06 15:26                 ` David Marchand
2022-10-06 15:27                   ` Tyler Retzlaff
2022-10-05 17:07 ` [PATCH v5 " Tyler Retzlaff
2022-10-05 17:07   ` [PATCH v5 1/6] eal: add thread attributes Tyler Retzlaff
2022-10-06  8:32     ` David Marchand
2022-10-05 17:07   ` [PATCH v5 2/6] eal: add thread lifetime management Tyler Retzlaff
2023-03-01  8:11     ` David Marchand
2023-03-01 20:34       ` Tyler Retzlaff
2022-10-05 17:07   ` [PATCH v5 3/6] eal: add basic rte thread ID equal API Tyler Retzlaff
2022-10-05 17:07   ` [PATCH v5 4/6] test/threads: add tests for thread lifetime API Tyler Retzlaff
2022-10-06  8:32     ` David Marchand
2022-10-06 15:19       ` Tyler Retzlaff
2022-10-05 17:07   ` [PATCH v5 5/6] test/threads: add tests for thread attributes API Tyler Retzlaff
2022-10-05 17:07   ` [PATCH v5 6/6] test/threads: remove unit test use of pthread Tyler Retzlaff
2022-10-06 19:25   ` [PATCH v5 0/6] add thread lifetime and attributes API David Marchand
2022-10-07 19:20     ` Tyler Retzlaff

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