The annotation macro ANNOTATE_BARRIER_INIT has not yet been implemented in <valgrind/drd.h>
   at 0x........: barrier_init (annotate_barrier.c:?)
   by 0x........: barriers_and_races (annotate_barrier.c:?)
   by 0x........: main (annotate_barrier.c:?)

Thread 2:
The annotation macro ANNOTATE_BARRIER_WAIT_BEFORE has not yet been implemented in <valgrind/drd.h>
   at 0x........: barrier_wait (annotate_barrier.c:?)
   by 0x........: threadfunc (annotate_barrier.c:?)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)

Thread 3:
The annotation macro ANNOTATE_BARRIER_WAIT_AFTER has not yet been implemented in <valgrind/drd.h>
   at 0x........: barrier_wait (annotate_barrier.c:?)
   by 0x........: threadfunc (annotate_barrier.c:?)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)

The annotation macro ANNOTATE_BARRIER_WAIT_BEFORE has not yet been implemented in <valgrind/drd.h>
   at 0x........: barrier_wait (annotate_barrier.c:?)
   by 0x........: threadfunc (annotate_barrier.c:?)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)

Thread 2:
Conflicting store by thread 2 at 0x........ size 4
   at 0x........: threadfunc (annotate_barrier.c:?)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
   by 0x........: (within libpthread-?.?.so)
Address 0x........ is at offset 0 from 0x......... Allocation context:
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: barriers_and_races (annotate_barrier.c:?)
   by 0x........: main (annotate_barrier.c:?)

The annotation macro ANNOTATE_BARRIER_WAIT_AFTER has not yet been implemented in <valgrind/drd.h>
   at 0x........: barrier_wait (annotate_barrier.c:?)
   by 0x........: threadfunc (annotate_barrier.c:?)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)

Thread 1:
The annotation macro ANNOTATE_BARRIER_DESTROY has not yet been implemented in <valgrind/drd.h>
   at 0x........: barrier_destroy (annotate_barrier.c:?)
   by 0x........: barriers_and_races (annotate_barrier.c:?)
   by 0x........: main (annotate_barrier.c:?)

Done.

ERROR SUMMARY: 11 errors from 7 contexts (suppressed: 0 from 0)