Merge branch 'release-4-6'

[alexxy/gromacs.git] / src / gromacs / legacyheaders / thread_mpi / event.h

diff --git a/src/gromacs/legacyheaders/thread_mpi/event.h b/src/gromacs/legacyheaders/thread_mpi/event.h
index 2c238774978648c1306704aa5d03a5266a285c85..058e3a8d9b604f1e1d13abb03d8e71ec009eabcc 100644 (file)
--- a/src/gromacs/legacyheaders/thread_mpi/event.h
+++ b/src/gromacs/legacyheaders/thread_mpi/event.h
@@ -103,7 +103,7 @@ void tMPI_Event_signal(tMPI_Event *ev);
 #define tMPI_Event_signal(ev) \
     { \
         tMPI_Atomic_memory_barrier_rel(); \
-        tMPI_Atomic_add_return( &((ev)->sync), 1); \
+        tMPI_Atomic_fetch_add( &((ev)->sync), 1); \
     }
 #endif