this fixes a deadlock between pipe_direct_write and pipeclose.
XXX this code should be simplified.
it's mostly pointless to have two struct pipes linked together,
esp. when we don't support bi-directional pipes.
can now be developed in userspace using puffs for development
(I hate emulators, they are annoyingly clumsy).
To e.g. mount psshfs using puffs-on-puffs, run fs/bin/syspuffs/syspuffs
with the regular mount_psshfs command line as an argument:
golem> ./syspuffs /usr/sbin/mount_psshfs ftp.netbsd.org:/pub /puffs
This will make the mount appear as usual, with the exception that the
requests will be passed through puffs both in the kernel and userspace:
ftp.netbsd.org:/pub on /puffs type puffs|p2k|puffs|psshfs
* I heard a wild rumor that vp_interlock is a mutex these days (hi ad!)
* init new locks (hi ad)
* observe that with simple_locks only deadlocks would be caught while
releasing unlocked locks would go unnoticed. make locking work (hi pooka)
If the env variable PUFFS_COMFD is set, the descriptor value
contained in it is used for communication instead of opening
/dev/puffs and doing mount(2).
This feature is obviously very undocumented and should not be used
without adult supervision.
in sysmon_envsys_events.c.
- Separate sme_event_check_low_power() into sme_battery_check(),
sme_acadapter_check() and sme_battery_critical() (no functional changes).
- create a mostly working sysinst/ramdisk environment. i was
able to successfully run sysinst, but the screen displays many
"bad format `p'" errors i am yet to track down entirely that
make it somewhat difficult to see.
with a suitable ramdisk etc, you can actually install successfully.
mostly the changes from port-prep are to switch the prep mkbootimage
to an msdos boot partition with a copy of ofwboot in it.
its children.
Fix an off-by-one bug in the sensor initialization which stopped
it from completing.
Extract sensor initialization into a new subroutine. If there is
an error while initializing sensors, do not let sc_sme dangle.
panics with a DIAGNOSTIC kernel.
In sysmon_envsys_find_40(), wait until an envsys is not busy before
settings its busy flag, in the pattern of sysmon_envsys_find().
