s/NULL/nullptr

1 files changed, 5 insertions, 5 deletions

diff --git a/src/core/lib/iomgr/timer_manager.cc b/src/core/lib/iomgr/timer_manager.cc
index 16e9e7e707..a0ed6e029e 100644
--- a/src/core/lib/iomgr/timer_manager.cc
+++ b/src/core/lib/iomgr/timer_manager.cc
@@ -62,11 +62,11 @@ static uint64_t g_timed_waiter_generation;
 static void timer_thread(void* completed_thread_ptr);
 
 static void gc_completed_threads(void) {
-  if (g_completed_threads != NULL) {
+  if (g_completed_threads != nullptr) {
     completed_thread* to_gc = g_completed_threads;
-    g_completed_threads = NULL;
+    g_completed_threads = nullptr;
     gpr_mu_unlock(&g_mu);
-    while (to_gc != NULL) {
+    while (to_gc != nullptr) {
       gpr_thd_join(to_gc->t);
       completed_thread* next = to_gc->next;
       gpr_free(to_gc);
@@ -275,7 +275,7 @@ static void timer_thread(void* completed_thread_ptr) {
   // this threads exec_ctx: we try to run things through to completion here
   // since it's easy to spin up new threads
   grpc_exec_ctx exec_ctx =
-      GRPC_EXEC_CTX_INITIALIZER(0, grpc_never_ready_to_finish, NULL);
+      GRPC_EXEC_CTX_INITIALIZER(0, grpc_never_ready_to_finish, nullptr);
   timer_main_loop(&exec_ctx);
   grpc_exec_ctx_finish(&exec_ctx);
   timer_thread_cleanup((completed_thread*)completed_thread_ptr);
@@ -299,7 +299,7 @@ void grpc_timer_manager_init(void) {
   g_threaded = false;
   g_thread_count = 0;
   g_waiter_count = 0;
-  g_completed_threads = NULL;
+  g_completed_threads = nullptr;
 
   g_has_timed_waiter = false;
   g_timed_waiter_deadline = GRPC_MILLIS_INF_FUTURE;