From: Eli Zaretskii <eliz@gnu.org>
To: ". shynur" <one.last.kiss@outlook.com>
Cc: 67711@debbugs.gnu.org
Subject: bug#67711: Org Babel gives incomplete result when writing multi-thread code
Date: Fri, 08 Dec 2023 16:47:14 +0200 [thread overview]
Message-ID: <83lea4zr7x.fsf@gnu.org> (raw)
In-Reply-To: <PH0PR11MB74700E62F748DB32FC93FA4AD78AA@PH0PR11MB7470.namprd11.prod.outlook.com> (one.last.kiss@outlook.com)
> From: ". shynur" <one.last.kiss@outlook.com>
> Date: Fri, 8 Dec 2023 14:31:37 +0000
> msip_labels:
>
> (I use Emacs v29.1.90 for MS-Windows; gcc 10.3.0)
> Here's an Org file:
>
> #+BEGIN_SRC C
> #include <stdio.h>
> #include <omp.h>
> int main() {
> #pragma omp parallel num_threads(3)
> printf("0"), printf("1");
> }
> #+END_SRC
>
> # Local Variables:
> # eval: (require 'ob-C)
> # org-babel-C-compiler: "gcc.exe \
> # -std=c17 -Wall -O0 \
> # -fopenmp "
> # org-confirm-babel-evaluate: nil
> # End:
>
> Executing the C code block usually outputs:
>
> #+RESULTS:
> : 10101
>
> #+RESULTS:
> : 1101
>
> This output was unexpected, so I personally ran the temporary EXE file generated by Org-Babel:
>
> Windows Terminal
> PS D:/Tmp/babel-Xyz123> ./C-bin-Xyz123.exe
> 010101
>
> As you can see, this program should output 6 characters.
The above invocation is AFAIU not an accurate reproduction of what
happens when this program is invoked from Emacs on MS-Windows. Emacs
on Windows communicates with subprocesses via pipes, so a more
accurate reproduction would be something like
C-bin-Xyz123.exe | more
IOW, you need to invoke the program with its output redirected to a
pipe.
In any case, please report this to the Org developers first, and only
if their analysis shows this is a core Emacs problem, come here.
Thanks.
next prev parent reply other threads:[~2023-12-08 14:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-08 14:31 bug#67711: Org Babel gives incomplete result when writing multi-thread code . shynur
[not found] ` <handler.67711.B.170204622920669.ack@debbugs.gnu.org>
2023-12-08 14:45 ` bug#67711: Org Babel gives incomplete result . shynur
2023-12-08 14:48 ` Eli Zaretskii
2023-12-08 14:47 ` Eli Zaretskii [this message]
2023-12-08 14:56 ` bug#67711: . shynur
2023-12-08 16:23 ` bug#67711: Eli Zaretskii
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