small changes

[simgrid.git] / src / simix / smx_synchro_private.h

diff --git a/src/simix/smx_synchro_private.h b/src/simix/smx_synchro_private.h
index 21e76b4..73f87c1 100644 (file)
--- a/src/simix/smx_synchro_private.h
+++ b/src/simix/smx_synchro_private.h
@@ -36,12 +36,14 @@ public:
   // boost::intrusive_ptr<Mutex> support:
   friend void intrusive_ptr_add_ref(Mutex* mutex)
   {
+    // Atomic operation! Do not split in two instructions!
     auto previous = (mutex->refcount_)++;
     xbt_assert(previous != 0);
     (void) previous;
   }
   friend void intrusive_ptr_release(Mutex* mutex)
   {
+    // Atomic operation! Do not split in two instructions!
     auto count = --(mutex->refcount_);
     if (count == 0)
       delete mutex;
@@ -56,6 +58,7 @@ private:
 typedef struct s_smx_cond {
   smx_mutex_t mutex;
   xbt_swag_t sleeping;          /* list of sleeping process */
+  std::atomic_int_fast32_t refcount_;
 } s_smx_cond_t;
 
 typedef struct s_smx_sem {
@@ -63,6 +66,8 @@ typedef struct s_smx_sem {
   xbt_swag_t sleeping;          /* list of sleeping process */
 } s_smx_sem_t;
 
+
+
 XBT_PRIVATE void SIMIX_post_synchro(smx_synchro_t synchro);
 XBT_PRIVATE void SIMIX_synchro_stop_waiting(smx_process_t process, smx_simcall_t simcall);
 XBT_PRIVATE void SIMIX_synchro_destroy(smx_synchro_t synchro);
@@ -71,10 +76,11 @@ XBT_PRIVATE void SIMIX_synchro_finish(smx_synchro_t synchro);
 XBT_PRIVATE smx_cond_t SIMIX_cond_init(void);
 XBT_PRIVATE void SIMIX_cond_broadcast(smx_cond_t cond);
 XBT_PRIVATE void SIMIX_cond_signal(smx_cond_t cond);
+XBT_PRIVATE void intrusive_ptr_add_ref(s_smx_cond_t *cond);
+XBT_PRIVATE void intrusive_ptr_release(s_smx_cond_t *cond);
 
 XBT_PRIVATE XBT_PRIVATE smx_sem_t SIMIX_sem_init(unsigned int value);
 XBT_PRIVATE void SIMIX_sem_release(smx_sem_t sem);
 XBT_PRIVATE int SIMIX_sem_would_block(smx_sem_t sem);
 XBT_PRIVATE int SIMIX_sem_get_capacity(smx_sem_t sem);
-
 #endif