diff options
| -rw-r--r-- | src/core/surface/server.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/core/surface/server.c b/src/core/surface/server.c index dac374b7d4..bb510b9ebf 100644 --- a/src/core/surface/server.c +++ b/src/core/surface/server.c @@ -141,8 +141,15 @@ struct grpc_server { grpc_pollset **pollsets; size_t cq_count; - gpr_mu mu_global; - gpr_mu mu_call; + /* The two following mutexes control access to server-state + mu_global controls access to non-call-related state (e.g., channel state) + mu_call controls access to call-related state (e.g., the call lists) + + If they are ever required to be nested, you must lock mu_global + before mu_call. This is currently used in shutdown processing + (grpc_server_shutdown_and_notify and maybe_finish_shutdown) */ + gpr_mu mu_global; /* mutex for server and channel state */ + gpr_mu mu_call; /* mutex for call-specific state */ registered_method *registered_methods; requested_call_array requested_calls; |