Linux: Move mq_notify from librt to libc

The symbol was moved using scripts/move-symbol-to-libc.py.

An explicit call from fork into the mq_notify implementation replaces
the previous use of pthread_atfork.

Reviewed-by: Adhemerva Zanella  <adhemerval.zanella@linaro.org>

rt/Makefile

@@ -30,7 +30,6 @@ routines = \
 
 librt-routines = \
   librt-compat \
-  mq_notify \
   mq_open \
   mq_receive \
   mq_send \
@@ -62,6 +61,7 @@ $(librt-routines-var) += \
   lio_listio64 \
   mq_close \
   mq_getattr \
+  mq_notify \
   mq_setattr \
 
 tests := tst-shm tst-timer tst-timer2 \

rt/Versions

@@ -28,6 +28,7 @@ libc {
 %if PTHREAD_IN_LIBC
     mq_close;
     mq_getattr;
+    mq_notify;
     mq_setattr;
 %endif
   }
@@ -58,6 +59,7 @@ libc {
     lio_listio64;
     mq_close;
     mq_getattr;
+    mq_notify;
     mq_setattr;
 %endif
     shm_open;
@@ -112,9 +114,9 @@ librt {
 %if !PTHREAD_IN_LIBC
     mq_close;
     mq_getattr;
+    mq_notify;
     mq_setattr;
 %endif
-    mq_notify;
     mq_open;
     mq_receive;
     mq_send;