// boost::intrusive_ptr<Mutex> support:
friend void intrusive_ptr_add_ref(Mutex* mutex)
{
- auto previous = ++mutex->refcount_;
+ // 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)
{
- auto count = mutex->refcount_--;
+ // Atomic operation! Do not split in two instructions!
+ auto count = --(mutex->refcount_);
if (count == 0)
delete mutex;
}
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 {
XBT_PRIVATE int SIMIX_sem_would_block(smx_sem_t sem);
XBT_PRIVATE int SIMIX_sem_get_capacity(smx_sem_t sem);
+XBT_PRIVATE void intrusive_ptr_release(s_smx_cond_t *cond);
+XBT_PRIVATE void intrusive_ptr_add_ref(s_smx_cond_t *cond);
#endif