commit 14adff1cfa06a3d4d3281a9bf7848b556d84c20d
author Josh Gao <jmgao@google.com> Fri Apr 29 12:00:55 2016 -0700
committer Josh Gao <jmgao@google.com> Fri Apr 29 16:39:50 2016 -0700
tree ce1fb2867f69e49f57d0bbe8a9099b09beda0c19
parent 5a3d5cac642f9e58b2c510eab23789fb4fc3a753

Add versioning information to symbols.

Bug: http://b/28178111
Change-Id: I46bf95accd819f4521afb1173d8badcc5e9df31c

libc/include/sys/wait.h

diff --git a/libc/include/sys/wait.h b/libc/include/sys/wait.h
index 2317b02..aba20e5 100644
--- a/libc/include/sys/wait.h
+++ b/libc/include/sys/wait.h
@@ -51,7 +51,7 @@
 
 extern pid_t  wait(int *);
 extern pid_t  waitpid(pid_t, int *, int);
-extern pid_t  wait4(pid_t, int *, int, struct rusage *);
+extern pid_t wait4(pid_t, int*, int, struct rusage*) __INTRODUCED_IN(19);
 
 /* Posix states that idtype_t should be an enumeration type, but
  * the kernel headers define P_ALL, P_PID and P_PGID as constant macros