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| author |  David Garcia Quintas <dgq@google.com> | 2016-11-01 13:00:58 -0700 |
|---|---|---|
| committer | David Garcia Quintas <dgq@google.com> | 2016-11-01 13:09:19 -0700 |
| commit | e224a76a6e7523012d8be899240c4cee1ba6f2b4 (patch) | |
| tree | 5598f95e81ad5bd7391e3ec4d1328fa25542fb0f /src/core/ext/client_channel/lb_policy.h | |
| parent | cbc059eb7eb557b60c3f6c627f4b498ce6a02363 (diff) | |
PR comments, take three
Diffstat (limited to 'src/core/ext/client_channel/lb_policy.h')
| -rw-r--r-- | src/core/ext/client_channel/lb_policy.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/core/ext/client_channel/lb_policy.h b/src/core/ext/client_channel/lb_policy.h index 54ad779792..120c641edc 100644 --- a/src/core/ext/client_channel/lb_policy.h +++ b/src/core/ext/client_channel/lb_policy.h @@ -109,10 +109,16 @@ struct grpc_lb_policy_vtable { /*#define GRPC_LB_POLICY_REFCOUNT_DEBUG*/ #ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG + +/* Strong references: the policy will shutdown when they reach zero */ #define GRPC_LB_POLICY_REF(p, r) \ grpc_lb_policy_ref((p), __FILE__, __LINE__, (r)) #define GRPC_LB_POLICY_UNREF(exec_ctx, p, r) \ grpc_lb_policy_unref((exec_ctx), (p), __FILE__, __LINE__, (r)) + +/* Weak references: they don't prevent the shutdown of the LB policy. When no + * strong references are left but there are still weak ones, shutdown is called. + * Once the weak reference also reaches zero, the LB policy is destroyed. */ #define GRPC_LB_POLICY_WEAK_REF(p, r) \ grpc_lb_policy_weak_ref((p), __FILE__, __LINE__, (r)) #define GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, p, r) \ |