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

[Philippe Mathieu-Daudé]

Cc'ing more developers.

On 5/26/20 10:40 PM, David CARLIER wrote:
> From b24a6702beb2a4e2a9c1c03b69c6d1dd07d4cf08 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..96f0405ee6 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__)
> +    {
> +        uint32_t len;
> +        len = proc_pidpath(getpid(), buf, sizeof(buf) - 1);
> +        if (len > 0) {
> +            buf[len] = 0;
> +            p = buf;
> +        }
> +    }
>  #endif
>      /* If we don't have any way of figuring out the actual executable
>         location then try argv[0].  */
>