Add qpt_threads_equal() to lib/qpthreads

All qpt_thread_t values are equal if !qpthreads_enabled.

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/qpthreads.h b/lib/qpthreads.h
index 49a7c1e3..361271ff 100644
--- a/lib/qpthreads.h
+++ b/lib/qpthreads.h
@@ -137,13 +137,21 @@ qpt_freeze_qpthreads_enabled(void) ;    /* get and freeze qpthreads_enabled  */
 /*==============================================================================
  * Thread self knowledge -- returns 'NULL' if !qpthreads_enabled
  */
-
 Inline qpt_thread_t qpt_thread_self(void)
 {
   return qpthreads_enabled ? pthread_self() : (qpt_thread_t)NULL;
 } ;
 
 /*==============================================================================
+ * Thread equality -- returns non-zero (true) if threads are *equal*
+ *                 -- all threads are equal if !qpthreads_enabled
+ */
+Inline int qpt_threads_equal(qpt_thread_t a, qpt_thread_t b)
+{
+  return !qpthreads_enabled || pthread_equal(a, b) ? 1 : 0 ;
+} ;
+
+/*==============================================================================
  * Mutex handling.
  *
  * Quagga's default mutex type is: