XBT_PUBLIC sg_bar_t sg_barrier_init(unsigned int count);
XBT_PUBLIC void sg_barrier_destroy(sg_bar_t bar);
XBT_PUBLIC int sg_barrier_wait(sg_bar_t bar);
XBT_PUBLIC sg_bar_t sg_barrier_init(unsigned int count);
XBT_PUBLIC void sg_barrier_destroy(sg_bar_t bar);
XBT_PUBLIC int sg_barrier_wait(sg_bar_t bar);