Update MS_ mount flags, define unshare() syscall.
Bug: 6925012
Change-Id: I4ad79b4bccb7737d4dc704476cdb5795d124f53e
diff --git a/libc/include/sched.h b/libc/include/sched.h
index ca72da7..4d7d8c6 100644
--- a/libc/include/sched.h
+++ b/libc/include/sched.h
@@ -71,6 +71,7 @@
#ifdef _GNU_SOURCE
extern int clone(int (*fn)(void *), void *child_stack, int flags, void* arg, ...);
+extern int unshare(int);
#endif
/* Support for cpu thread affinity */
diff --git a/libc/include/sys/mount.h b/libc/include/sys/mount.h
index ba88447..207527e 100644
--- a/libc/include/sys/mount.h
+++ b/libc/include/sys/mount.h
@@ -51,7 +51,10 @@
#define MS_REC 16384
#define MS_VERBOSE 32768
#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */
-#define MS_ONE_SECOND (1<<17) /* fs has 1 sec a/m/ctime resolution */
+#define MS_UNBINDABLE (1<<17) /* change to unbindable */
+#define MS_PRIVATE (1<<18) /* change to private */
+#define MS_SLAVE (1<<19) /* change to slave */
+#define MS_SHARED (1<<20) /* change to shared */
#define MS_ACTIVE (1<<30)
#define MS_NOUSER (1<<31)