diff options
Diffstat (limited to 'src/libsystemd/sd-bus/kdbus.h')
| -rw-r--r-- | src/libsystemd/sd-bus/kdbus.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h index ae900c2720..3e841f4003 100644 --- a/src/libsystemd/sd-bus/kdbus.h +++ b/src/libsystemd/sd-bus/kdbus.h @@ -494,10 +494,11 @@ enum kdbus_recv_flags { * broadcast messages that have been lost since the * last call. * @msg_size: Filled by the kernel with the actual message size. This - * mirrors the 'size' member of the message stored at - * @offset, but allows callers to access it without mapping - * their pool. By using @msg_size and @offset, you can map - * only the message itself, not the whole pool. + * is the full size of the slice placed at @offset. It + * includes the memory used for the kdbus_msg object, but + * also for all appended VECs. By using @msg_size and + * @offset, you can map a single message, instead of + * mapping the whole pool. * * This struct is used with the KDBUS_CMD_MSG_RECV ioctl. */ |