Ban std::random_device (#28638)

3 years ago · caa67ccc5e
parent b25a5b667b
commit caa67ccc5e
1 changed files with 6 additions and 0 deletions
--- a/tools/run_tests/sanity/core_banned_functions.py
+++ b/tools/run_tests/sanity/core_banned_functions.py
@ -52,6 +52,12 @@ BANNED_EXCEPT = {
    'grpc_closure_list_sched(': ['src/core/lib/iomgr/closure.cc'],
    'grpc_error*': ['src/core/lib/iomgr/error.cc'],
    'grpc_error_string': ['src/core/lib/iomgr/error.cc'],
+    # std::random_device needs /dev/random which is not available on all linuxes that we support.
+    # Any usage must be optional and opt-in, so that those platforms can use gRPC without problem.
+    'std::random_device': [
+        'src/core/ext/filters/client_channel/lb_policy/rls/rls.cc',
+        'src/core/ext/filters/client_channel/resolver/google_c2p/google_c2p_resolver.cc',
+    ]
 }

 errors = 0