Fix pthread cleanup logic

Don't delete the key in the pthread_key_create destructor. The key isn't specific to instances of values.

1 files changed, 2 insertions, 3 deletions

diff --git a/src/core/lib/support/cpu_posix.cc b/src/core/lib/support/cpu_posix.cc
index c9dbc0d5d9..bca14a0c12 100644
--- a/src/core/lib/support/cpu_posix.cc
+++ b/src/core/lib/support/cpu_posix.cc
@@ -49,15 +49,14 @@ unsigned gpr_cpu_num_cores(void) {
   return (unsigned)ncpus;
 }
 
-static void delete_thread_id_key(void* value) {
+static void delete_thread_id(void* value) {
   if (value) {
     gpr_free(value);
   }
-  pthread_key_delete(thread_id_key);
 }
 
 static void init_thread_id_key(void) {
-  pthread_key_create(&thread_id_key, delete_thread_id_key);
+  pthread_key_create(&thread_id_key, delete_thread_id);
 }
 
 unsigned gpr_cpu_current_cpu(void) {