setregid - set real and effective group ID
int setregid (gid_t rgid, gid_t egid);
The real and effective group ID's of the current process are set to the
arguments. Unprivileged users may change the real group ID to the
effective group ID and vice-versa; only the super-user may make other
Supplying a value of -1 for either the real or effective group ID forces
the system to substitute the current ID in place of the -1 parameter.
Upon successful completion, a value of 0 is returned. Otherwise, a value
of -1 is returned and errno is set to indicate the error.
[EPERM] The current process is not the super-user and a change
other than changing the effective group-id to the real
group-id was specified.
getgid(2), setreuid(2), setgid(3).
PPPPaaaaggggeeee 1111 [ Back ]