* @return number of second since the Epoch.
* (00:00:00 UTC, January 1, 1970 in Real Life, and begining of simulation in SG)
*/
-double gras_os_time(void);
+XBT_PUBLIC double gras_os_time(void);
/** @brief sleeps for the given amount of time.
* @param sec: number of seconds to sleep
*/
-void gras_os_sleep(double sec);
+XBT_PUBLIC void gras_os_sleep(double sec);
/** @brief get the fully-qualified name of the current host
*
* cannot be determined. Always returns the same value, so multiple calls
* cause no problems.
*/
-const char *
+XBT_PUBLIC const char *
gras_os_myname(void);
/** @brief returns the number on which this process is listening for incoming messages */
-int gras_os_myport(void);
+XBT_PUBLIC int gras_os_myport(void);
/** @brief get process identification
*
* Returns the process ID of the current process. (This is often used
by routines that generate unique temporary file names.)
*/
-long int gras_os_getpid(void);
+XBT_PUBLIC long int gras_os_getpid(void);
/** @} */
SG_END_DECL()
