From: Olivier Dion via lttng-dev <lttng-dev@lists.lttng.org>
To: lttng-dev@lists.lttng.org
Cc: Tony Finch <dot@dotat.at>
Subject: Re: [lttng-dev] [PATCH 11/11] urcu/annotate: Add CMM annotation
Date: Tue, 16 May 2023 11:57:11 -0400 [thread overview]
Message-ID: <87zg64jmlk.fsf@laura> (raw)
In-Reply-To: <20230515201718.9809-12-odion@efficios.com>
On Tue, 16 May 2023, Tony Finch <dot@dotat.at> wrote:
> The __has_feature pseudo-macro interacts in fun ways with preprocessor
> expression evaluation, because when it is undefined and you write
>
> #if defined(__has_feature) && __has_feature(thread_sanitizer)
>
> macro expansion gives you a syntax error
>
> #if 0 && 0(thread_sanitizer)
>
> so it must be split into two #if expressions, thus:
TIL. Thank you for that!
--
Olivier Dion
EfficiOS Inc.
https://www.efficios.com
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next prev parent reply other threads:[~2023-05-16 15:57 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 20:17 [lttng-dev] [PATCH 00/11] Add support for TSAN to liburcu Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 01/11] configure: Add --disable-atomic-builtins option Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 02/11] urcu/uatomic: Use atomic builtins if configured Olivier Dion via lttng-dev
2023-06-21 23:19 ` Paul E. McKenney via lttng-dev
2023-06-22 15:55 ` Mathieu Desnoyers via lttng-dev
2023-06-22 18:32 ` Paul E. McKenney via lttng-dev
2023-06-22 19:53 ` Olivier Dion via lttng-dev
2023-06-22 19:56 ` Mathieu Desnoyers via lttng-dev
2023-06-22 20:10 ` Olivier Dion via lttng-dev
2023-06-22 20:11 ` Paul E. McKenney via lttng-dev
2023-06-22 19:54 ` Mathieu Desnoyers via lttng-dev
2023-06-29 17:22 ` Olivier Dion via lttng-dev
2023-06-29 17:27 ` Olivier Dion via lttng-dev
2023-06-29 18:33 ` Mathieu Desnoyers via lttng-dev
2023-06-29 18:29 ` Mathieu Desnoyers via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 03/11] urcu/compiler: " Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 04/11] urcu/arch/generic: " Olivier Dion via lttng-dev
2023-06-21 23:22 ` Paul E. McKenney via lttng-dev
2023-06-22 0:53 ` Olivier Dion via lttng-dev
2023-06-22 1:48 ` Mathieu Desnoyers via lttng-dev
2023-06-22 3:44 ` Paul E. McKenney via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 05/11] urcu/system: " Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 06/11] urcu/uatomic: Add CMM memory model Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 07/11] urcu-wait: Fix wait state load/store Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 08/11] tests: Use uatomic for accessing global states Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 09/11] benchmark: " Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 10/11] tests/unit/test_build: Quiet unused return value Olivier Dion via lttng-dev
2023-05-15 20:17 ` [lttng-dev] [PATCH 11/11] urcu/annotate: Add CMM annotation Olivier Dion via lttng-dev
2023-05-16 15:57 ` Olivier Dion via lttng-dev [this message]
2023-05-16 8:18 ` [lttng-dev] [PATCH 00/11] Add support for TSAN to liburcu Dmitry Vyukov via lttng-dev
2023-05-16 15:47 ` Olivier Dion via lttng-dev
2023-05-17 10:21 ` Dmitry Vyukov via lttng-dev
2023-05-17 10:57 ` Dmitry Vyukov via lttng-dev
2023-05-17 14:44 ` Olivier Dion via lttng-dev
2023-05-23 16:05 ` Olivier Dion via lttng-dev
2023-05-24 8:14 ` Dmitry Vyukov via lttng-dev
2023-05-26 5:33 ` Ondřej Surý via lttng-dev
2023-05-26 6:08 ` Dmitry Vyukov via lttng-dev
2023-05-26 6:10 ` Dmitry Vyukov via lttng-dev
2023-05-26 10:06 ` Ondřej Surý via lttng-dev
2023-05-26 10:08 ` Dmitry Vyukov via lttng-dev
2023-05-26 14:20 ` Olivier Dion via lttng-dev
2023-05-26 15:15 ` Olivier Dion via lttng-dev
2023-05-17 14:44 ` Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 00/12] " Olivier Dion via lttng-dev
2023-06-07 19:04 ` Ondřej Surý via lttng-dev
2023-06-07 19:20 ` Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 01/12] configure: Add --disable-atomic-builtins option Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 02/12] urcu/compiler: Use atomic builtins if configured Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 03/12] urcu/arch/generic: " Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 04/12] urcu/system: " Olivier Dion via lttng-dev
2023-06-21 23:23 ` Paul E. McKenney via lttng-dev
2023-07-04 14:43 ` Olivier Dion via lttng-dev
2023-07-05 18:48 ` Paul E. McKenney via lttng-dev
2023-07-05 19:03 ` Olivier Dion via lttng-dev
2023-07-05 19:28 ` Paul E. McKenney via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 05/12] urcu/uatomic: Add CMM memory model Olivier Dion via lttng-dev
2023-06-21 23:28 ` Paul E. McKenney via lttng-dev
2023-06-29 16:49 ` Olivier Dion via lttng-dev
2023-06-29 18:40 ` Paul E. McKenney via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 06/12] urcu-wait: Fix wait state load/store Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 07/12] tests: Use uatomic for accessing global states Olivier Dion via lttng-dev
2023-06-21 23:37 ` Paul E. McKenney via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 08/12] benchmark: " Olivier Dion via lttng-dev
2023-06-21 23:38 ` Paul E. McKenney via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 09/12] tests/unit/test_build: Quiet unused return value Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 10/12] urcu/annotate: Add CMM annotation Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 11/12] Add cmm_emit_legacy_smp_mb() Olivier Dion via lttng-dev
2023-06-07 18:53 ` [lttng-dev] [PATCH v2 12/12] tests: Add tests for checking race conditions Olivier Dion via lttng-dev
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