fix error: unused parameter

src/core/lib/iomgr/cfstream_handle.cc

@@ -188,7 +188,7 @@ void CFStreamHandle::Ref(const char* file, int line, const char* reason) {
 void CFStreamHandle::Unref(const char* file, int line, const char* reason) {
   if (grpc_tcp_trace.enabled()) {
     gpr_atm val = gpr_atm_no_barrier_load(&refcount_.count);
-    gpr_log(GPR_DEBUG,
+    gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
             "CFStream Handle unref %p : %s %" PRIdPTR " -> %" PRIdPTR, this,
             reason, val, val - 1);
   }

src/core/lib/iomgr/endpoint_cfstream.cc

@@ -238,7 +238,7 @@ static void WriteAction(void* arg, grpc_error_handle error) {
 }
 
 static void CFStreamRead(grpc_endpoint* ep, grpc_slice_buffer* slices,
-                         grpc_closure* cb, bool urgent,
+                         grpc_closure* cb, bool /*urgent*/,
                          int /*min_progress_size*/) {
   CFStreamEndpoint* ep_impl = reinterpret_cast<CFStreamEndpoint*>(ep);
   if (grpc_tcp_trace.enabled()) {
@@ -256,7 +256,8 @@ static void CFStreamRead(grpc_endpoint* ep, grpc_slice_buffer* slices,
 }
 
 static void CFStreamWrite(grpc_endpoint* ep, grpc_slice_buffer* slices,
-                          grpc_closure* cb, void* arg, int /*max_frame_size*/) {
+                          grpc_closure* cb, void* /*arg*/,
+                          int /*max_frame_size*/) {
   CFStreamEndpoint* ep_impl = reinterpret_cast<CFStreamEndpoint*>(ep);
   if (grpc_tcp_trace.enabled()) {
     gpr_log(GPR_DEBUG, "CFStream endpoint:%p write (%p, %p) length:%zu",
@@ -302,14 +303,15 @@ absl::string_view CFStreamGetLocalAddress(grpc_endpoint* ep) {
   return ep_impl->local_address;
 }
 
-int CFStreamGetFD(grpc_endpoint* ep) { return 0; }
+int CFStreamGetFD(grpc_endpoint* /*ep*/) { return 0; }
 
-bool CFStreamCanTrackErr(grpc_endpoint* ep) { return false; }
+bool CFStreamCanTrackErr(grpc_endpoint* /*ep*/) { return false; }
 
-void CFStreamAddToPollset(grpc_endpoint* ep, grpc_pollset* pollset) {}
-void CFStreamAddToPollsetSet(grpc_endpoint* ep, grpc_pollset_set* pollset) {}
-void CFStreamDeleteFromPollsetSet(grpc_endpoint* ep,
-                                  grpc_pollset_set* pollset) {}
+void CFStreamAddToPollset(grpc_endpoint* /*ep*/, grpc_pollset* /*pollset*/) {}
+void CFStreamAddToPollsetSet(grpc_endpoint* /*ep*/,
+                             grpc_pollset_set* /*pollset*/) {}
+void CFStreamDeleteFromPollsetSet(grpc_endpoint* /*ep*/,
+                                  grpc_pollset_set* /*pollset*/) {}
 
 static const grpc_endpoint_vtable vtable = {CFStreamRead,
                                             CFStreamWrite,

src/core/lib/iomgr/ev_apple.cc

@@ -118,7 +118,7 @@ static void grpc_apple_register_write_stream_queue(
 /// be issued to the run loop when a network event happens and will be driven by
 /// the global run loop thread gGlobalRunLoopThread.
 static void grpc_apple_register_read_stream_run_loop(
-    CFReadStreamRef read_stream, dispatch_queue_t dispatch_queue) {
+    CFReadStreamRef read_stream, dispatch_queue_t /*dispatch_queue*/) {
   GRPC_POLLING_TRACE("Register read stream: %p", read_stream);
   grpc_core::MutexLock lock(&gGlobalRunLoopContext->mu);
   CFReadStreamScheduleWithRunLoop(read_stream, gGlobalRunLoopContext->run_loop,
@@ -131,7 +131,7 @@ static void grpc_apple_register_read_stream_run_loop(
 /// be issued to the run loop when a network event happens, and will be driven
 /// by the global run loop thread gGlobalRunLoopThread.
 static void grpc_apple_register_write_stream_run_loop(
-    CFWriteStreamRef write_stream, dispatch_queue_t dispatch_queue) {
+    CFWriteStreamRef write_stream, dispatch_queue_t /*dispatch_queue*/) {
   GRPC_POLLING_TRACE("Register write stream: %p", write_stream);
   grpc_core::MutexLock lock(&gGlobalRunLoopContext->mu);
   CFWriteStreamScheduleWithRunLoop(
@@ -163,7 +163,7 @@ void grpc_apple_register_write_stream(CFWriteStreamRef write_stream,
 
 /// Drive the run loop in a global singleton thread until the global run loop is
 /// shutdown.
-static void GlobalRunLoopFunc(void* arg) {
+static void GlobalRunLoopFunc(void* /*arg*/) {
   grpc_core::LockableAndReleasableMutexLock lock(&gGlobalRunLoopContext->mu);
   gGlobalRunLoopContext->run_loop = CFRunLoopGetCurrent();
   gGlobalRunLoopContext->init_cv.Signal();
@@ -342,15 +342,15 @@ grpc_pollset_vtable grpc_apple_pollset_vtable = {
 // pollset_set implementation
 
 grpc_pollset_set* pollset_set_create(void) { return nullptr; }
-void pollset_set_destroy(grpc_pollset_set* pollset_set) {}
-void pollset_set_add_pollset(grpc_pollset_set* pollset_set,
-                             grpc_pollset* pollset) {}
-void pollset_set_del_pollset(grpc_pollset_set* pollset_set,
-                             grpc_pollset* pollset) {}
-void pollset_set_add_pollset_set(grpc_pollset_set* bag,
-                                 grpc_pollset_set* item) {}
-void pollset_set_del_pollset_set(grpc_pollset_set* bag,
-                                 grpc_pollset_set* item) {}
+void pollset_set_destroy(grpc_pollset_set* /*pollset_set*/) {}
+void pollset_set_add_pollset(grpc_pollset_set* /*pollset_set*/,
+                             grpc_pollset* /*pollset*/) {}
+void pollset_set_del_pollset(grpc_pollset_set* /*pollset_set*/,
+                             grpc_pollset* /*pollset*/) {}
+void pollset_set_add_pollset_set(grpc_pollset_set* /*bag*/,
+                                 grpc_pollset_set* /*item*/) {}
+void pollset_set_del_pollset_set(grpc_pollset_set* /*bag*/,
+                                 grpc_pollset_set* /*item*/) {}
 
 grpc_pollset_set_vtable grpc_apple_pollset_set_vtable = {
     pollset_set_create,          pollset_set_destroy,

src/core/lib/iomgr/iomgr_posix_cfstream.cc

@@ -73,7 +73,7 @@ static bool apple_iomgr_platform_is_any_background_poller_thread(void) {
 }
 
 static bool apple_iomgr_platform_add_closure_to_background_poller(
-    grpc_closure* closure, grpc_error_handle error) {
+    grpc_closure* /*closure*/, grpc_error_handle /*error*/) {
   return false;
 }