Generalize reader groups

Reader groups have been generalized to cpu groups which can be
used for implementing reader groups, but also for implementing
other functionality in the future.

1 files changed, 11 insertions, 0 deletions

diff --git a/erts/emulator/beam/erl_cpu_topology.h b/erts/emulator/beam/erl_cpu_topology.h
index b83ddc25da..c5a9520b61 100644
--- a/erts/emulator/beam/erl_cpu_topology.h
+++ b/erts/emulator/beam/erl_cpu_topology.h
@@ -91,4 +91,15 @@ Eterm erts_fake_scheduler_bindings(Process *p, Eterm how);
 Eterm erts_debug_cpu_groups_map(Process *c_p, int groups);
 
 
+typedef void (*erts_cpu_groups_callback_t)(int,
+					   ErtsSchedulerData *,
+					   int,
+					   void *);
+
+void erts_add_cpu_groups(int groups,
+			 erts_cpu_groups_callback_t callback,
+			 void *arg);
+void erts_remove_cpu_groups(erts_cpu_groups_callback_t callback,
+			    void *arg);
+
 #endif