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Re: [Qemu-devel] [PATCH] add inotify syscalls
From: |
Kirill A. Shutemov |
Subject: |
Re: [Qemu-devel] [PATCH] add inotify syscalls |
Date: |
Fri, 19 Sep 2008 11:08:07 +0300 |
User-agent: |
Mutt/1.5.18 (2008-05-29) |
On Wed, Sep 17, 2008 at 10:45:50PM +0300, Riku Voipio wrote:
> Inotify syscall implementation lifted from scratchbox.
>
> Signed-off-by: Riku Voipio <address@hidden>
> --
> "rm -rf" only sounds scary if you don't have backups
> Index: trunk/linux-user/syscall.c
> ===================================================================
> --- trunk.orig/linux-user/syscall.c 2008-09-17 22:08:51.000000000 +0300
> +++ trunk/linux-user/syscall.c 2008-09-17 22:12:04.000000000 +0300
> @@ -29,6 +29,7 @@
> #include <time.h>
> #include <limits.h>
> #include <sys/types.h>
> +#include <sys/inotify.h>
> #include <sys/ipc.h>
> #include <sys/msg.h>
> #include <sys/wait.h>
> @@ -5821,7 +5822,23 @@
> ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
> break;
> #endif
> -
> +#ifdef TARGET_NR_inotify_init
> + case TARGET_NR_inotify_init:
> + ret = get_errno(inotify_init());
> + break;
> +#endif
> +#ifdef TARGET_NR_inotify_add_watch
> + case TARGET_NR_inotify_add_watch:
> + p = lock_user_string(arg2);
> + ret = get_errno(inotify_add_watch(arg1, path(p), arg3));
> + unlock_user(p, arg2, 0);
> + break;
> +#endif
> +#ifdef TARGET_NR_inotify_rm_watch
> + case TARGET_NR_inotify_rm_watch:
> + ret = get_errno(inotify_rm_watch(arg1, arg2));
> + break;
> +#endif
> default:
> unimplemented:
> gemu_log("qemu: Unsupported syscall: %d\n", num);
This syscalls like *at introduced in glibc 2.4. So you should use
_syscall* macros for backward compatible.
--
Regards, Kirill A. Shutemov
+ Belarus, Minsk
+ ALT Linux Team, http://www.altlinux.com/
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