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-rw-r--r--src/core/lib/transport/connectivity_state.c13
-rw-r--r--src/core/lib/transport/connectivity_state.h5
2 files changed, 13 insertions, 5 deletions
diff --git a/src/core/lib/transport/connectivity_state.c b/src/core/lib/transport/connectivity_state.c
index 89072879d9..4f49d7cf7d 100644
--- a/src/core/lib/transport/connectivity_state.c
+++ b/src/core/lib/transport/connectivity_state.c
@@ -100,7 +100,12 @@ grpc_connectivity_state grpc_connectivity_state_check(
return tracker->current_state;
}
-int grpc_connectivity_state_notify_on_state_change(
+bool grpc_connectivity_state_has_watchers(
+ grpc_connectivity_state_tracker *connectivity_state) {
+ return connectivity_state->watchers != NULL;
+}
+
+bool grpc_connectivity_state_notify_on_state_change(
grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker,
grpc_connectivity_state *current, grpc_closure *notify) {
if (grpc_connectivity_state_trace) {
@@ -119,7 +124,7 @@ int grpc_connectivity_state_notify_on_state_change(
grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_CANCELLED, NULL);
tracker->watchers = w->next;
gpr_free(w);
- return 0;
+ return false;
}
while (w != NULL) {
grpc_connectivity_state_watcher *rm_candidate = w->next;
@@ -127,11 +132,11 @@ int grpc_connectivity_state_notify_on_state_change(
grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_CANCELLED, NULL);
w->next = w->next->next;
gpr_free(rm_candidate);
- return 0;
+ return false;
}
w = w->next;
}
- return 0;
+ return false;
} else {
if (tracker->current_state != *current) {
*current = tracker->current_state;
diff --git a/src/core/lib/transport/connectivity_state.h b/src/core/lib/transport/connectivity_state.h
index 7a2fa52c10..769c675b79 100644
--- a/src/core/lib/transport/connectivity_state.h
+++ b/src/core/lib/transport/connectivity_state.h
@@ -75,13 +75,16 @@ void grpc_connectivity_state_set(grpc_exec_ctx *exec_ctx,
grpc_error *associated_error,
const char *reason);
+bool grpc_connectivity_state_has_watchers(
+ grpc_connectivity_state_tracker *tracker);
+
grpc_connectivity_state grpc_connectivity_state_check(
grpc_connectivity_state_tracker *tracker, grpc_error **current_error);
/** Return 1 if the channel should start connecting, 0 otherwise.
If current==NULL cancel notify if it is already queued (success==0 in that
case) */
-int grpc_connectivity_state_notify_on_state_change(
+bool grpc_connectivity_state_notify_on_state_change(
grpc_exec_ctx *exec_ctx, grpc_connectivity_state_tracker *tracker,
grpc_connectivity_state *current, grpc_closure *notify);