Commit 094611b4 authored by Kamil Rytarowski's avatar Kamil Rytarowski Committed by Peter Maydell
Browse files

oslib-posix: Use sysctl(2) call to resolve exec_dir on NetBSD 



NetBSD 8.0(beta) ships with KERN_PROC_PATHNAME in sysctl(2).
Older NetBSD versions can use argv[0] parsing fallback.

This code section is partly shared with FreeBSD.

Signed-off-by: default avatarKamil Rytarowski <n54@gmx.com>
Message-id: 20171028194833.23858-1-n54@gmx.com
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent fa73e146

util/oslib-posix.c

+10 −1
Original line number Diff line number Diff line
@@ -49,6 +49,10 @@ 
#include <libutil.h>

#endif



#ifdef __NetBSD__

#include <sys/sysctl.h>

#endif



#include "qemu/mmap-alloc.h"



#ifdef CONFIG_DEBUG_STACK_USAGE
@@ -250,9 +254,14 @@ void qemu_init_exec_dir(const char *argv0) 
            p = buf;

        }

    }

#elif defined(__FreeBSD__)

#elif defined(__FreeBSD__) \

      || (defined(__NetBSD__) && defined(KERN_PROC_PATHNAME))

    {

#if defined(__FreeBSD__)

        static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};

#else

        static int mib[4] = {CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME};

#endif

        size_t len = sizeof(buf) - 1;



        *buf = '\0';