From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id B54D73858C56; Mon, 22 Jan 2024 01:02:36 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B54D73858C56
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1705885356;
	bh=RjCV30pSOjNjP5LVhrg1er6HFl6Ppj4vJe905PFLsmw=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=QmdR4YefOpb83F3sVi1WEUvcarIFBbywN3HHH+m35AHtf8obhEanhRS7TNg4V0Pkt
	 7gxI4grcVZdMm4OX2vQqIYAOh/BHrwqvYYK2buoL2mUzNhlwmznVI8YnDcdNSV+4r9
	 YSykEtxsf1YwyY+tzH2XoAJ7Ykb7d1lPTJpotDt4=
From: "lipeng.zhu at intel dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug testsuite/113005] 'libgomp.fortran/rwlock_1.f90',
 'libgomp.fortran/rwlock_3.f90' execution test timeouts
Date: Mon, 22 Jan 2024 01:02:35 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: testsuite
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: testsuite-fail
X-Bugzilla-Severity: normal
X-Bugzilla-Who: lipeng.zhu at intel dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-113005-4-gL2qMNIoJD@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-113005-4@http.gcc.gnu.org/bugzilla/>
References: <bug-113005-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113005

--- Comment #14 from Lipeng Zhu <lipeng.zhu at intel dot com> ---
(In reply to Lipeng Zhu from comment #13)
> OK, I think I find the root cause of this error, when thread number great=
er
> than 1000, the file_name =3D 1000_tst.dat, character(11) will overflow. T=
his
> will generate the same file_name like ***_tst.dat.=20
>=20
> diff --git a/libgomp/testsuite/libgomp.fortran/rwlock_1.f90
> b/libgomp/testsuite/libgomp.fortran/rwlock_1.f90
> index f90ecbeb00f..1c271ae031d 100644
> --- a/libgomp/testsuite/libgomp.fortran/rwlock_1.f90
> +++ b/libgomp/testsuite/libgomp.fortran/rwlock_1.f90
> @@ -7,13 +7,12 @@ program main
>    use omp_lib
>    implicit none
>    integer:: unit_number, v1, v2, i
> -  character(11) :: file_name
> +  character(16) :: file_name
>    character(3) :: async =3D "no"
>    !$omp parallel private (unit_number, v1, v2, file_name, async, i)
>      do i =3D 0, 100
>        unit_number =3D 10 + omp_get_thread_num ()
> -      write (file_name, "(I3, A)") unit_number, "_tst.dat"
> -      file_name =3D adjustl(file_name)
> +      write (file_name, "(I5.5, A)") unit_number, "_tst.dat"
>        open (unit_number, file=3Dfile_name, asynchronous=3D"yes")
>        ! call inquire with file parameter to test find_file in unix.c
>        inquire (file=3Dfile_name, asynchronous=3Dasync)


Hi Thomas,

Can you help to verify if this draft patch will fix the error on your side?=