From b58de7238981dc5fa3a18db4941bddca75c0d521 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Wed, 29 Mar 2017 14:15:12 -0700
Subject: [PATCH] Lazily allocate batch control objects
---
src/core/lib/surface/call.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 50ddbc92aa..03b1fbf11a 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -163,7 +163,7 @@ struct grpc_call {
/* have we received initial metadata */
bool has_initial_md_been_received;
- batch_control active_batches[MAX_CONCURRENT_BATCHES];
+ batch_control *active_batches[MAX_CONCURRENT_BATCHES];
grpc_transport_stream_op_payload stream_op_payload;
/* first idx: is_receiving, second idx: is_trailing */
@@ -1022,7 +1022,11 @@ static batch_control *allocate_batch_control(grpc_call *call,
const grpc_op *ops,
size_t num_ops) {
int slot = batch_slot_for_op(ops[0].op);
- batch_control *bctl = &call->active_batches[slot];
+ batch_control **pslot = &call->active_batches[slot];
+ if (*pslot == NULL) {
+ *pslot = gpr_arena_alloc(call->arena, sizeof(batch_control));
+ }
+ batch_control *bctl = *pslot;
if (bctl->call != NULL) {
return NULL;
}
--
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