From: Junio C Hamano <gitster@pobox.com>
To: Johannes Schindelin <johannes.schindelin@gmx.de>
Cc: git@vger.kernel.org, "Jeff King" <peff@peff.net>,
"Torsten Bögershausen" <tboegi@web.de>
Subject: Re: [PATCH v3] Mark win32's pthread_exit() as NORETURN
Date: Wed, 02 Mar 2016 12:33:15 -0800 [thread overview]
Message-ID: <xmqq7fhk4o38.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <63310f6af16c70870bd620c83d8860421ca02718.1456945703.git.johannes.schindelin@gmx.de> (Johannes Schindelin's message of "Wed, 2 Mar 2016 20:11:13 +0100 (CET)")
Johannes Schindelin <johannes.schindelin@gmx.de> writes:
> The pthread_exit() function is not expected to return. Ever. On Windows,
> we call ExitThread() whose documentation claims: "Ends the calling
> thread", i.e. there is no condition in which this function simply
> returns: https://msdn.microsoft.com/en-us/library/windows/desktop/ms682659
>
> While at it, fix the return type to be void, as per
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_exit.html
>
> Pointed out by Jeff King, helped by Stefan Naewe, Junio Hamano &
> Johannes Sixt.
>
> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
> ---
Thanks, will queue.
> compat/win32/pthread.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> Interdiff vs v2:
>
> diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h
> index 148db60..b6ed9e7 100644
> --- a/compat/win32/pthread.h
> +++ b/compat/win32/pthread.h
> @@ -78,7 +78,7 @@ extern int win32_pthread_join(pthread_t *thread, void **value_ptr);
> #define pthread_equal(t1, t2) ((t1).tid == (t2).tid)
> extern pthread_t pthread_self(void);
>
> -static inline int NORETURN pthread_exit(void *ret)
> +static inline void NORETURN pthread_exit(void *ret)
> {
> ExitThread((DWORD)(intptr_t)ret);
> }
>
>
> diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h
> index 20b35a2..b6ed9e7 100644
> --- a/compat/win32/pthread.h
> +++ b/compat/win32/pthread.h
> @@ -78,7 +78,7 @@ extern int win32_pthread_join(pthread_t *thread, void **value_ptr);
> #define pthread_equal(t1, t2) ((t1).tid == (t2).tid)
> extern pthread_t pthread_self(void);
>
> -static inline int pthread_exit(void *ret)
> +static inline void NORETURN pthread_exit(void *ret)
> {
> ExitThread((DWORD)(intptr_t)ret);
> }
prev parent reply other threads:[~2016-03-02 20:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 13:53 [PATCH] Mark win32's pthread_exit() as NORETURN Johannes Schindelin
2016-03-01 13:57 ` Jeff King
2016-03-01 14:11 ` Johannes Schindelin
2016-03-01 14:13 ` [PATCH v2] " Johannes Schindelin
2016-03-01 14:38 ` stefan.naewe
2016-03-01 17:57 ` Junio C Hamano
2016-03-02 19:11 ` Johannes Schindelin
2016-03-01 19:34 ` Johannes Sixt
2016-03-01 19:44 ` Junio C Hamano
2016-03-02 19:10 ` Johannes Schindelin
2016-03-02 19:11 ` [PATCH v3] " Johannes Schindelin
2016-03-02 20:33 ` Junio C Hamano [this message]
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