HarryR / nt365 / 26807870607
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coverage: 43.912% (+0.2%) from 43.738%
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HarryR 
nt.term: composable event-driven terminal stack; retire nt.tty

Replace the monolithic nt.tty (line discipline fused with a serial I/O
pump and child spawning, none of it reusable) with a layered,
transport-agnostic terminal subsystem under nt/term, each piece
independently testable:

  sched    cooperative coroutine scheduler + in-process channel + await
           (no polling, no spin: blocking is a yield, progress a resume)
  keys     integer key-event enums (events are two numbers - JIT-lean,
           zero per-keystroke allocation)
  vt       byte -> key-event decoder (the VT/ANSI input vocabulary,
           decoded once here)
  edit     reusable line editor (readline-style); pure declarative state
  render   declarative (text,cursor) -> minimal VT byte deltas
  line     the readline loop over any transport
  stream   overlapped byte-transport over an NT handle (serial/pipe/...)
  child    spawn a process under overlapped pipe stdio; pipe names from
           the ClientId, so no cross-lua_State collisions (the old _seq bug)
  bridge   raw / cooked relays between a terminal and a child
  console  serial console backend (exclusive relative-reopen + first-byte
           timeouts + ByteOffset)
  run      console + child + bridge composition - the nt.tty.run drop-in

The spine is structured/numeric internally with VT only at the edges, so
the same stack drives the serial console now and a socket/ssh transport
or an in-process Lua app later. The logic tier (sched/vt/edit/render/line)
is pure and host-tested; the kernel tier (stream + bridge over real pipes
and a spawned lua.exe, raw and cooked) is covered on boot.

fs.NtReadFile: treat STATUS_PIPE_BROKEN / PIPE_CLOSING as end-of-stream
(like END_OF_FILE) instead of raising - a pipe whose writer has closed is
EOF, not a fault, so a reader (nt.io over a piped stdin) sees a clean
0-byte EOF. Without this a child reading its stdin to EOF crashed.

test: restructured into per-subsystem all.lua aggregato... (continued)

50086 of 114059 relevant lines covered (43.91%)

2901.71 hits per line

Coverage Regressions

Lines Coverage ∆ File
29
52.63
 -4.7% src/NT/PRIVATE/NTOS/NTHALS/HAL/I386/random.c
17
74.29
 -2.01% src/NT/PRIVATE/NTOS/NTFS/INDEXSUP.C
9
74.56
 -3.95% src/NT/PRIVATE/NTOS/OB/OBSE.C
7
70.97
 -4.52% src/NT/PRIVATE/NTOS/FSRTL/NAME.C
5
50.62
 -0.99% src/NT/PRIVATE/NTOS/CACHE/COPYSUP.C
5
87.5
 0.4% src/NT/PRIVATE/NTOS/RNG/RNGSYS.C
4
40.31
 -1.25% src/NT/PRIVATE/NTOS/RTL/BITMAP.C
4
75.81
 -3.23% src/NT/PRIVATE/NTOS/RTL/I386/MOVEMEM.ASM
3
73.9
 -1.2% src/NT/PRIVATE/NTOS/AFD/RECVVC.C
3
71.96
 -2.8% src/NT/PRIVATE/NTOS/KE/THREDSUP.C
3
86.16
 -0.94% src/NT/PRIVATE/NTOS/MM/ADDRSUP.C
3
83.33
 -6.67% src/NT/PRIVATE/NTOS/RNG/RNGKAT.C
3
28.65
 -0.84% src/NT/PRIVATE/NTOS/TDI/TCPIP/TCP/TCB.C
2
53.55
 -0.51% src/NT/PRIVATE/NTOS/EX/RESOURCE.C
1
44.89
 -0.06% src/NT/PRIVATE/NTOS/NTFS/CREATE.C
1
70.46
 0.13% src/NT/PRIVATE/NTOS/NTHALS/HAL/I386/time.c
1
82.86
 -0.32% src/NT/PRIVATE/NTOS/OB/OBDIR.C
1
56.0
 -0.31% src/NT/PRIVATE/NTOS/SE/ACCESSCK.C
Jobs
ID Job ID Ran Files Coverage
1 26807870607.1 577
43.91
 GitHub Action Run
Source Files on build 26807870607