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Re: [PATCH] util/oslib-posix : qemu_init_exec_dir implementation for Mac


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH] util/oslib-posix : qemu_init_exec_dir implementation for MacOS
Date: Wed, 3 Jun 2020 16:38:59 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

On 6/3/20 4:22 PM, David CARLIER wrote:
> Good point even tough the libproc api is here in this form since quite a time.

Top-posting is difficult to read on technical lists; it's better to
reply inline.

Also, please don't remove the post content you are replying to...
Because then your answer doesn't make much sense out of context.

> 
> From d23bf60961ee036f8298794f879d1b8b9bd717dc Mon Sep 17 00:00:00 2001
> From: David Carlier <devnexen@gmail.com>
> Date: Tue, 26 May 2020 21:35:27 +0100
> Subject: [PATCH] util/oslib: current process full path resolution on MacOS
> 
> Using existing libproc to fill the path.
> 
> Signed-off-by: David Carlier <devnexen@gmail.com>
> ---
>  util/oslib-posix.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/util/oslib-posix.c b/util/oslib-posix.c
> index 062236a1ab..9dd1e1a18b 100644
> --- a/util/oslib-posix.c
> +++ b/util/oslib-posix.c
> @@ -55,6 +55,10 @@
>  #include <sys/sysctl.h>
>  #endif
> 
> +#ifdef __APPLE__
> +#include <libproc.h>
> +#endif
> +
>  #include "qemu/mmap-alloc.h"
> 
>  #ifdef CONFIG_DEBUG_STACK_USAGE
> @@ -366,6 +370,15 @@ void qemu_init_exec_dir(const char *argv0)
>              p = buf;
>          }
>      }
> +#elif defined(__APPLE__)
> +    {
> +        int len;
> +        len = proc_pidpath(getpid(), buf, sizeof(buf) - 1);
> +        if (len <= 0) {
> +            return;
> +        }
> +        p = buf;
> +    }
>  #endif
>      /* If we don't have any way of figuring out the actual executable
>         location then try argv[0].  */
> 




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