_gfortran_caf_sync_all — All-image barrier
Synchronization of all images in the current team; the program only continues on a given image after this function has been called on all images of the current team. Additionally, it ensures that all pending data transfers of previous segment have completed.
void _gfortran_caf_sync_all (int *stat, char *errmsg, size_t errmsg_len)
stat intent(out) Stores the status STAT= and may be NULL. errmsg intent(out) When an error occurs, this will be set to an error message; may be NULL. errmsg_len intent(in) the buffer size of errmsg