Merge changes between r23927 and r23946 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@23947 7b3dc134-2b1b-0410-93df-9e9f96275f8d

2 files changed, 20 insertions, 5 deletions

diff --git a/libc/sysdeps/unix/sysv/linux/bits/in.h b/libc/sysdeps/unix/sysv/linux/bits/in.h
index e959b33ea..d763ce9fc 100644
--- a/libc/sysdeps/unix/sysv/linux/bits/in.h
+++ b/libc/sysdeps/unix/sysv/linux/bits/in.h
@@ -21,6 +21,18 @@
 # error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
 #endif
 
+/* If the application has already included linux/in6.h from a linux-based
+   kernel then we will not define the IPv6 IPPROTO_* defines, in6_addr (nor the
+   defines), sockaddr_in6, or ipv6_mreq.  The ABI used by the linux-kernel and
+   glibc match exactly.  Neither the linux kernel nor glibc should break this
+   ABI without coordination.  */
+#ifdef _UAPI_LINUX_IN6_H
+/* This is not quite the same API since the kernel always defines s6_addr16 and
+   s6_addr32. This is not a violation of POSIX since POSIX says "at least the
+   following member" and that holds true.  */
+# define __USE_KERNEL_IPV6_DEFS
+#endif
+
 /* Options for use with `getsockopt' and `setsockopt' at the IP level.
    The first word in the comment at the right is the data type used;
    "bool" means a boolean value stored in an `int'.  */
diff --git a/libc/sysdeps/unix/sysv/linux/tst-fanotify.c b/libc/sysdeps/unix/sysv/linux/tst-fanotify.c
index b88995d6f..b21e160ca 100644
--- a/libc/sysdeps/unix/sysv/linux/tst-fanotify.c
+++ b/libc/sysdeps/unix/sysv/linux/tst-fanotify.c
@@ -29,11 +29,14 @@ do_test (void)
   fd = fanotify_init (0, 0);
   if (fd < 0)
     {
-      if (errno == ENOSYS)
-	{
-	  puts ("SKIP: missing support for fanotify (check CONFIG_FANOTIFY=y)");
-	  return 0;
-	}
+      switch (errno) {
+      case ENOSYS:
+	puts ("SKIP: missing support for fanotify (check CONFIG_FANOTIFY=y)");
+	return 0;
+      case EPERM:
+	puts ("SKIP: missing proper permissions for runtime test");
+	return 0;
+      }
 
       perror ("fanotify_init (0, 0) failed");
       return 1;