diff options
| -rw-r--r-- | share/man/man4/worm.4 | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/share/man/man4/worm.4 b/share/man/man4/worm.4 index eb73a0a0807d..8835f90a10b1 100644 --- a/share/man/man4/worm.4 +++ b/share/man/man4/worm.4 @@ -85,9 +85,12 @@ requirements when writing data, the driver distinguishes two different operation modes. When opening a file descriptor for a device belonging to the .Nm -driver without write access, the driver does not enforce the tight -timing that is needed to write data to the CD-R, but it allows for -sending +driver with +.Dv O_NONBLOCK +being set +.Pq see Xr open 2 , +the driver does not enforce the tight timing that is needed to write +data to the CD-R, but it allows for sending .Xr ioctl 2 commands to adjust parameters. Any number of ioctls can be performed on the device as long as the required sequence of actions is being @@ -111,6 +114,11 @@ on the file descriptor that has been used to write the data. After this happened, things are no longer time-critical. Any number of further tracks can be written to the device. Finally, the session must be fixated by another ioctl. +.Pp +Opening a read-only file descriptor on a +.Nm worm +device can be used in order to read a normal CD-ROM medium. No special +preparations are required in this case. .Sh IOCTLS The following .Xr ioctl 2 @@ -209,7 +217,8 @@ have a lot of patience and CD-R's. The driver should include all the functionality of the .Xr cd 4 driver. No strategy for implementing this kind of interaction has -been designed yet. +been designed yet, altough it's now finally possible to at least +read CD-ROM media through it. .Pp The first .Em Unit Attention @@ -229,6 +238,8 @@ device for ioctl's and to write a CD-R .It Pa /dev/rworm[0-9].ctl the control device, as being used by .Xr scsi 8 +.It Pa /dev/worm[0-9] +the buffered devices that can be used to mount a CD-ROM. .El .Sh DIAGNOSTICS See above. |