diff options
Diffstat (limited to 'hurd/hurdmsg.c')
| -rw-r--r-- | hurd/hurdmsg.c | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/hurd/hurdmsg.c b/hurd/hurdmsg.c index 2b9b214102..4e6ddf2836 100644 --- a/hurd/hurdmsg.c +++ b/hurd/hurdmsg.c @@ -385,15 +385,58 @@ _S_msg_set_environment (mach_port_t msgport, mach_port_t auth, } -/* XXX */ - kern_return_t _S_msg_get_dtable (mach_port_t process, - mach_port_t refport, + mach_port_t auth, portarray_t *dtable, mach_msg_type_name_t *dtablePoly, mach_msg_type_number_t *dtableCnt) -{ return EOPNOTSUPP; } +{ + mach_port_t *ports; + mach_msg_type_number_t i; + error_t err; + + AUTHCHECK; + + HURD_CRITICAL_BEGIN; + __mutex_lock (&_hurd_dtable_lock); + + if (err = __vm_allocate (__mach_task_self (), (vm_address_t *) &ports, + _hurd_dtablesize * sizeof(mach_port_t), 1)) + goto out; + + for (i = 0; i < _hurd_dtablesize; i++) + { + struct hurd_fd *cell = _hurd_dtable[i]; + if (cell == NULL) + ports[i] = MACH_PORT_NULL; + else + { + __spin_lock (&cell->port.lock); + if (cell->port.port == MACH_PORT_NULL) + ports[i] = MACH_PORT_NULL; + else + { + ports[i] = cell->port.port; + /* We will move this send right. */ + __mach_port_mod_refs (__mach_task_self (), ports[i], + MACH_PORT_RIGHT_SEND, +1); + } + __spin_unlock (&cell->port.lock); + } + } + + *dtable = ports; + *dtablePoly = MACH_MSG_TYPE_MOVE_SEND; + *dtableCnt = _hurd_dtablesize; + +out: + __mutex_unlock (&_hurd_dtable_lock); + HURD_CRITICAL_END; + return err; +} + +/* XXX */ kern_return_t _S_msg_set_dtable (mach_port_t process, |