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linux-user: add inotify_init1 syscall support 

New syscall which gets actively used when you have a
fresh kernel.

Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Riku Voipio 2010-03-26 15:25:11 +00:00 committed by Aurelien Jarno
parent bedd2912c8
commit c05c7a7306
2 changed files with 32 additions and 0 deletions
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18
configure vendored
View File

@ -1629,6 +1629,21 @@ if compile_prog "" "" ; then
inotify=yes
fi
inotify1=no
cat > $TMPC << EOF
#include <sys/inotify.h>
int
main(void)
{
/* try to start inotify */
return inotify_init1(0);
}
EOF
if compile_prog "" "" ; then
inotify1=yes
fi
# check if utimensat and futimens are supported
utimens=no
cat > $TMPC << EOF
@ -2136,6 +2151,9 @@ fi
if test "$inotify" = "yes" ; then
echo "CONFIG_INOTIFY=y" >> $config_host_mak
fi
if test "$inotify1" = "yes" ; then
echo "CONFIG_INOTIFY1=y" >> $config_host_mak
fi
if test "$byteswap_h" = "yes" ; then
echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
fi

14
linux-user/syscall.c
View File

@ -506,9 +506,18 @@ static int sys_inotify_rm_watch(int fd, int32_t wd)
return (inotify_rm_watch(fd, wd));
}
#endif
#ifdef CONFIG_INOTIFY1
#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
static int sys_inotify_init1(int flags)
{
return (inotify_init1(flags));
}
#endif
#endif
#else
/* Userspace can usually survive runtime without inotify */
#undef TARGET_NR_inotify_init
#undef TARGET_NR_inotify_init1
#undef TARGET_NR_inotify_add_watch
#undef TARGET_NR_inotify_rm_watch
#endif /* CONFIG_INOTIFY */
@ -7055,6 +7064,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = get_errno(sys_inotify_init());
break;
#endif
#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
case TARGET_NR_inotify_init1:
ret = get_errno(sys_inotify_init1(arg1));
break;
#endif
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
case TARGET_NR_inotify_add_watch:
p = lock_user_string(arg2);