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-rw-r--r--erts/emulator/beam/bif.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 07fdd809f8..9459be4fdb 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -4044,8 +4044,20 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
if (is_value(res))
BIF_RET(res);
} else if (ERTS_IS_ATOM_STR("cpu_topology", BIF_ARG_1)) {
+ erts_send_warning_to_logger_str(
+ BIF_P->group_leader,
+ "A call to erlang:system_flag(cpu_topology, _) was made.\n"
+ "The cpu_topology argument is deprecated and scheduled\n"
+ "for removal in erts-5.10/OTP-R16. For more information\n"
+ "see the erlang:system_flag/2 documentation.\n");
BIF_TRAP1(set_cpu_topology_trap, BIF_P, BIF_ARG_2);
} else if (ERTS_IS_ATOM_STR("scheduler_bind_type", BIF_ARG_1)) {
+ erts_send_warning_to_logger_str(
+ BIF_P->group_leader,
+ "A call to erlang:system_flag(scheduler_bind_type, _) was\n"
+ "made. The scheduler_bind_type argument is deprecated and\n"
+ "scheduled for removal in erts-5.10/OTP-R16. For more\n"
+ "information see the erlang:system_flag/2 documentation.\n");
return erts_bind_schedulers(BIF_P, BIF_ARG_2);
}
error: