diff options
Diffstat (limited to 'src/core/lib')
-rw-r--r-- | src/core/lib/surface/server.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index 6ac3181482..da4dd703d5 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -212,6 +212,11 @@ struct grpc_server { gpr_mu mu_global; /* mutex for server and channel state */ gpr_mu mu_call; /* mutex for call-specific state */ + /* startup synchronization: flag is protected by mu_global, signals whether + we are doing the listener start routine or not */ + bool starting; + gpr_cv starting_cv; + registered_method *registered_methods; /** one request matcher for unregistered methods */ request_matcher unregistered_request_matcher; @@ -389,6 +394,7 @@ static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) { grpc_channel_args_destroy(exec_ctx, server->channel_args); gpr_mu_destroy(&server->mu_global); gpr_mu_destroy(&server->mu_call); + gpr_cv_destroy(&server->starting_cv); while ((rm = server->registered_methods) != NULL) { server->registered_methods = rm->next; if (server->started) { @@ -1022,6 +1028,7 @@ grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) { gpr_mu_init(&server->mu_global); gpr_mu_init(&server->mu_call); + gpr_cv_init(&server->starting_cv); /* decremented by grpc_server_destroy */ gpr_ref_init(&server->internal_refcount, 1); @@ -1084,6 +1091,12 @@ static void start_listeners(grpc_exec_ctx *exec_ctx, void *s, for (listener *l = server->listeners; l; l = l->next) { l->start(exec_ctx, server, l->arg, server->pollsets, server->pollset_count); } + + gpr_mu_lock(&server->mu_global); + server->starting = false; + gpr_cv_signal(&server->starting_cv); + gpr_mu_unlock(&server->mu_global); + server_unref(exec_ctx, server); } @@ -1122,6 +1135,7 @@ void grpc_server_start(grpc_server *server) { } server_ref(server); + server->starting = true; grpc_closure_sched(&exec_ctx, grpc_closure_create(start_listeners, server, grpc_executor_scheduler), GRPC_ERROR_NONE); @@ -1258,8 +1272,14 @@ void grpc_server_shutdown_and_notify(grpc_server *server, GRPC_API_TRACE("grpc_server_shutdown_and_notify(server=%p, cq=%p, tag=%p)", 3, (server, cq, tag)); - /* lock, and gather up some stuff to do */ + /* wait for startup to be finished: locks mu_global */ gpr_mu_lock(&server->mu_global); + while (server->starting) { + gpr_cv_wait(&server->starting_cv, &server->mu_global, + gpr_inf_future(GPR_CLOCK_REALTIME)); + } + + /* stay locked, and gather up some stuff to do */ grpc_cq_begin_op(cq, tag); if (server->shutdown_published) { grpc_cq_end_op(&exec_ctx, cq, tag, GRPC_ERROR_NONE, done_published_shutdown, |