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Tomas Hruby 72b7abd1a1 VFS - no CANCEL for async non-blocking operations 
- if an operation (R, W, IOCTL) is non blocking, a flag is set
  and sent to the device.

- nothing changes for sync devices

- asyn devices should reply asap if an operation is non-blocking.
  We must trust the devices, but we had to trust them anyway to
  reply to CANCEL correctly

- we safe sending CANCEL commands to asyn devices. This greatly
  simplifies the protocol. Asynchronous devices can always reply
  when a reply is ready and do not need to deal with other
  situations

- currently, none of our drivers use the flags since they drive
  virtual devices which do not block
2012-03-02 15:44:48 +00:00
..
arch Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
arpa Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ddekit Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
heimdal Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
minix VFS - no CANCEL for async non-blocking operations 2012-03-02 15:44:48 +00:00
net Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
netinet Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
netinet6 Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
prop Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
protocols Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
rpc Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
rpcsvc Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ssp Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
sys Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ufs Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
a.out.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
aio.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ar.h Import NetBSD's make 2010-02-04 16:52:54 +00:00
assert.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
atomic.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
bitstring.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
bm.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
cdbr.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
cdbw.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
complex.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
cpio.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ctype.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
db.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
dirent.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
disktab.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
dlfcn.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
env.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
err.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
errno.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
fenv.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
fetch.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
fmtmsg.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
fnmatch.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
fstab.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
fts.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ftw.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
getopt.h We have sys/cdefs.h now, so remove hacks. 2010-06-17 15:14:57 +00:00
glob.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
grp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
hesiod.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
iconv.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ieeefp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ifaddrs.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
inttypes.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
iso646.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
kvm.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
langinfo.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
lib.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
libgen.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
libutil.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
limits.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
link.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
link_aout.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
link_elf.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
locale.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
login_cap.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
lwp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
Makefile Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
Makefile.minix.inc Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
malloc.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
math.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
md2.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
memory.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
mntopts.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
monetary.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
mpool.h includes: header files for netbsd db code. 2010-07-14 14:52:02 +00:00
mqueue.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ndbm.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
netconfig.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
netdb.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
netgroup.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
nl_types.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
nlist.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
nsswitch.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
paths.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
pwd.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
randomid.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ranlib.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
re_comp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
regex.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
regexp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
res_update.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
resolv.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
rmt.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
sa.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
sched.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
search.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
semaphore.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
setjmp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
sgtty.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
signal.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
stab.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
stdbool.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
stddef.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
stdio.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
stdlib.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
string.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
stringlist.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
strings.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
struct.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
sysexits.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
tar.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
tgmath.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
time.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
timers.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ttyent.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
tzfile.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ucontext.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
ulimit.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
unistd.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
util.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
utime.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
utmp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
utmpx.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
uuid.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
varargs.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
vis.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
wchar.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
wctype.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00
wordexp.h Full switch to clang/ELF. Drop ack. Simplify. 2012-02-14 14:52:02 +01:00