HelenOS sources

sys_perm_grant     77 kernel/generic/include/security/perm.h extern sys_errno_t sys_perm_grant(uspace_ptr_sysarg64_t, perm_t);
sys_perm_grant     84 kernel/generic/include/security/perm.h extern sys_errno_t sys_perm_grant(sysarg_t, perm_t);
sys_perm_grant    110 kernel/generic/src/syscall/syscall.c 	[SYS_PERM_GRANT] = (syshandler_t) sys_perm_grant,