Add pthread_equal()

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@78 42af7a65-404d-4744-a932-0658087f49c3

include/pthread.h

@@ -244,6 +244,12 @@ EXTERN void pthread_yield(void);
 
 #define pthread_self() ((pthread_t)getpid())
 
+/*----------------------------------------------------------*
+ * Compare to thread IDs.
+ *----------------------------------------------------------*/
+
+#define pthread_equal(t1,t2) (t1 == t2)
+
 /*----------------------------------------------------------*
  * Thread scheduling parameters
  *----------------------------------------------------------*/