Set and get dpns file creation mask used by the name server
#include <sys/types.h>
#include "dpns_api.h"
mode_t dpns_umask (mode_t cmask)
dpns_umask sets the DPNS file creation mask used by the name server to cmask and returns the previous value of the mask. The current mask is stored in a thread-safe variable in the client. Only the access permission bits of cmask are used.
LCG Grid Deployment Team