- typedef struct xbt_os_cond_ *xbt_os_cond_t;
-
- XBT_PUBLIC(xbt_os_cond_t) xbt_os_cond_init(void);
- XBT_PUBLIC(void) xbt_os_cond_wait(xbt_os_cond_t cond,
- xbt_os_mutex_t mutex);
- XBT_PUBLIC(void) xbt_os_cond_timedwait(xbt_os_cond_t cond,
- xbt_os_mutex_t mutex,
- double delay);
- XBT_PUBLIC(void) xbt_os_cond_signal(xbt_os_cond_t cond);
- XBT_PUBLIC(void) xbt_os_cond_broadcast(xbt_os_cond_t cond);
- XBT_PUBLIC(void) xbt_os_cond_destroy(xbt_os_cond_t cond);
+typedef struct xbt_os_cond_ *xbt_os_cond_t;
+
+XBT_PUBLIC(xbt_os_cond_t) xbt_os_cond_init(void);
+XBT_PUBLIC(void) xbt_os_cond_wait(xbt_os_cond_t cond,
+ xbt_os_mutex_t mutex);
+XBT_PUBLIC(void) xbt_os_cond_timedwait(xbt_os_cond_t cond,
+ xbt_os_mutex_t mutex, double delay);
+XBT_PUBLIC(void) xbt_os_cond_signal(xbt_os_cond_t cond);
+XBT_PUBLIC(void) xbt_os_cond_broadcast(xbt_os_cond_t cond);
+XBT_PUBLIC(void) xbt_os_cond_destroy(xbt_os_cond_t cond);
+
+ /** \brief Semaphore data type (opaque structure) */
+typedef struct xbt_os_sem_ *xbt_os_sem_t;
+
+XBT_PUBLIC(xbt_os_sem_t) xbt_os_sem_init(unsigned int value);
+XBT_PUBLIC(void) xbt_os_sem_acquire(xbt_os_sem_t sem);
+XBT_PUBLIC(void) xbt_os_sem_timedacquire(xbt_os_sem_t sem, double timeout);
+XBT_PUBLIC(void) xbt_os_sem_release(xbt_os_sem_t sem);
+XBT_PUBLIC(void) xbt_os_sem_destroy(xbt_os_sem_t sem);
+XBT_PUBLIC(void) xbt_os_sem_get_value(xbt_os_sem_t sem, int *svalue);
+