Re: [Minios-devel] [UNIKRAFT/MUSL PATCH 15/19] Add stub for ftrylockfile function

[Costin Lupu <costin.lup@xxxxxxxxx>]

This looks like a vfscore function.

Costin

On 10/15/19 6:23 PM, Gaulthier Gain wrote:
> wip: This commit adds a stub for the ftrylockfile function. This
> function needs a stub since it uses the __pthread_self primitive from
> musl. It is necessary to re-write this one by considering
> pthread-embedded declarations.
> 
> Signed-off-by: Gaulthier Gain <gaulthier.gain@xxxxxxxxx>
> ---
>  Makefile.uk |  1 +
>  stdio.c     | 43 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 44 insertions(+)
>  create mode 100644 stdio.c
> 
> diff --git a/Makefile.uk b/Makefile.uk
> index c9daa9e..bab740a 100644
> --- a/Makefile.uk
> +++ b/Makefile.uk
> @@ -135,6 +135,7 @@ LIBMUSLGLUE_CXXFLAGS-y += $(LIBMUSLGLUE_SUPPRESS_FLAGS-y)
>  
> ################################################################################
>  LIBMUSLGLUE_SRCS-y += $(LIBMUSL_BASE)/mem.c
>  LIBMUSLGLUE_SRCS-y += $(LIBMUSL_BASE)/ldso.c
> +LIBMUSLGLUE_SRCS-y += $(LIBMUSL_BASE)/stdio.c
>  
>  
> #################################################################################
>  # musl code -- one external Makefile per sub-lib
> diff --git a/stdio.c b/stdio.c
> new file mode 100644
> index 0000000..5cdd07b
> --- /dev/null
> +++ b/stdio.c
> @@ -0,0 +1,43 @@
> +/* SPDX-License-Identifier: BSD-3-Clause */
> +/*
> + * libmusl glue code
> + *
> + * Authors: Gain Gaulthier <gaulthier.gain@xxxxxxxxx>
> + *
> + * Copyright (c) 2017, University of Liege., Uliege. All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + *    notice, this list of conditions and the following disclaimer in the
> + *    documentation and/or other materials provided with the distribution.
> + * 3. Neither the name of the copyright holder nor the names of its
> + *    contributors may be used to endorse or promote products derived from
> + *    this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
> IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + *
> + * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
> + */
> +#include <errno.h>
> +#include <stdio.h>
> +
> +int ftrylockfile(FILE *f)
> +{
> +        errno = ENOSYS;
> +        return -1;
> +}
> 

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