8.2.15 _gfortran_caf_sync_all — All-image barrier

Description:

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.

Syntax:

void _gfortran_caf_sync_all (int *stat, char *errmsg, int errmsg_len)

Arguments:

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	the buffer size of errmsg.