pthreads: Partial implementation of final part of robust mutexes: Keep list of all mutexes held by a thread in a list in the TCB.

2026-06-06 08:36:24 +08:00 · 2017-03-26 12:46:57 -06:00
parent 2c37d369ab
commit 6e623ce06f
9 changed files with 49 additions and 23 deletions
@@ -136,8 +136,15 @@ int pthread_mutex_trylock(FAR pthread_mutex_t *mutex)
                {
                  /* Increment the number of locks held and return successfully. */

-                  mutex->nlocks++;
-                  ret = OK;
+                  if (mutex->nlocks < INT16_MAX)
+                    {
+                      mutex->nlocks++;
+                      ret = OK;
+                    }
+                  else
+                    {
+                      ret = EOVERFLOW;
+                    }
                }
              else
 #endif