NAME

setgroups − set group access list

SYNOPSIS

#include <sys/param.h>

int setgroups (ngroups, gidset)
int ngroups;
gid_t ∗gidset;

DESCRIPTION

setgroups sets the group access list of the current user process according to the array gidset. The parameter ngroups indicates the number of entries in the array and must be no more than NGROUPS, as defined in <sys/param.h>. 

Only the super-user may set new groups. 

RETURN VALUE

A 0 value is returned on success, −1 on error, with a error code stored in errno. 

ERRORS

The setgroups call will fail if:

[EPERM] The caller is not the super-user. 

[EFAULT] The address specified for gidset is outside the process address space. 

SEE ALSO

getgroups(2), initgroups(3C)

CX/UX Programmer’s Reference Manual