Simplify atfork to only provide the functionality we need.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4032 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/pub_core_libcproc.h b/coregrind/pub_core_libcproc.h
index 6273653..69afe32 100644
--- a/coregrind/pub_core_libcproc.h
+++ b/coregrind/pub_core_libcproc.h
@@ -77,10 +77,8 @@
 
 // atfork
 typedef void (*vg_atfork_t)(ThreadId);
-extern void VG_(atfork)(vg_atfork_t pre, vg_atfork_t parent, vg_atfork_t child);
-extern void VG_(do_atfork_pre)    ( ThreadId tid );
-extern void VG_(do_atfork_parent) ( ThreadId tid );
-extern void VG_(do_atfork_child)  ( ThreadId tid );
+extern void VG_(atfork_child)    ( vg_atfork_t child_action );
+extern void VG_(do_atfork_child) ( ThreadId tid );
 
 #endif   // __PUB_CORE_LIBCPROC_H