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1033 Commits (e2139c2bf0c2fc49f9475dc753843e5bd1704c5c)

Author SHA1 Message Date
Tyler Goodlet f173012fea Handle repeat child tty-acquires race 2021-07-31 15:01:26 -04:00
Tyler Goodlet 6006adc0de Hide `_invoke()` tb, move actor error to exceptions mod 2021-07-31 13:56:26 -04:00
Tyler Goodlet 0afa7f0f8e Fix lock context manager return type 2021-07-31 12:50:58 -04:00
Tyler Goodlet b3d28a1ee4 Drop debugger path and duplicate func from rebasing 2021-07-31 12:46:40 -04:00
Tyler Goodlet 13b76c9439 Add fast fail test using the context api 2021-07-31 12:46:40 -04:00
Tyler Goodlet 632c666a7d Adjust debug tests to accomodate no more root clobbering 
We may get multiple re-entries to debugger by `bp_forever` sub-actor
now since the root will incrementally try to cancel it only when the tty
lock is not held.
 2021-07-31 12:46:40 -04:00
Tyler Goodlet 09f00a5a00 Go back to only logging tbs on no debugger 2021-07-31 12:46:40 -04:00
Tyler Goodlet 44bfacc0c2 Comment hard-kill-sidestep for now since nursery version covers it? 2021-07-31 12:46:40 -04:00
Tyler Goodlet 551816e80d Solve the root-cancels-child-in-tty-lock race 
Finally this makes a cancelled root actor nursery not clobber child
tasks which request and lock the root's tty for the debugger repl.

Using an edge triggered event which is set after all fifo-lock-queued
tasks are complete, we can be sure that no lingering child tasks are
going to get interrupted during pdb use and tty lock acquisition.
Further, even if new tasks do queue up to get the lock, the root will
incrementally send cancel msgs to each sub-actor only once the tty is
not locked by a (set of) child request task(s). Add shielding around all
the critical sections where the child attempts to allocate the lock from
the root such that it won't be disrupted from cancel messages from the
root after the acquire lock transaction has started.
 2021-07-31 12:46:40 -04:00
Tyler Goodlet be1fcb2a5b Distinguish between a local pdb unlock and the tty unlock in root 2021-07-31 12:46:40 -04:00
Tyler Goodlet ef89ed947a Fix hard kill in debug mode; only do it when debug lock is empty 2021-07-31 12:46:40 -04:00
Tyler Goodlet 5b3894827f Move some infos to runtime level 2021-07-31 12:46:40 -04:00
Tyler Goodlet 0fdcfa0ba1 Move debugger wait inside OCA nursery 2021-07-31 12:46:40 -04:00
Tyler Goodlet 37a1897c47 Don't shield debugger status wait; it causes hangs 2021-07-31 12:46:40 -04:00
Tyler Goodlet 0f2a39a311 Catch and delay errors in the root if debugger is active 2021-07-31 12:46:40 -04:00
Tyler Goodlet 23a1622256 Don't kill root's immediate children when in debug 
If the root calls `trio.Process.kill()` on immediate child proc teardown
when the child is using pdb, we can get stdstreams clobbering that
results in a pdb++ repl where the user can't see what's been typed. Not
killing such children on cancellation / error seems to resolve this
issue whilst still giving reliable termination. For now, code that
special path until a time it becomes a problem for ensuring zombie
reaps.
 2021-07-31 12:46:40 -04:00
Tyler Goodlet 63bdddd0c9 Add debug example that causes pdb stdin clobbering 2021-07-31 12:46:40 -04:00
Tyler Goodlet 49d439b681 Add some brief todo notes on idea of shielded breakpoint 2021-07-31 12:46:40 -04:00
Tyler Goodlet 6f05f5d5e6 Wait for debugger lock task context termination 2021-07-31 12:46:40 -04:00
Tyler Goodlet b369b91357 Fix up var naming and typing 2021-07-31 12:46:40 -04:00
Tyler Goodlet 969bce3aa4 Use context for remote debugger locking 
A context is the natural fit (vs. a receive stream) for locking the root
proc's tty usage via it's `.started()` sync point. Simplify the
`_breakpoin()` routine to be a simple async func instead of all this
"returning a coroutine" stuff from before we decided that
`tractor.breakpoint()` must be async. Use `runtime` level for locking
logging making it easier to trace.
 2021-07-31 12:46:40 -04:00
goodboy 54d8c93f1b
Merge pull request #219 from goodboy/bi_streaming_no_debugger_stuff 
Initial bi-directional streaming support!
 2021-07-31 12:27:53 -04:00
Tyler Goodlet 240f591234 Add 2-way streaming example to readme and scripts 2021-07-31 12:10:25 -04:00
Tyler Goodlet 69bbf6a957 Install test deps and py3.9 for type check job 2021-07-08 13:53:28 -04:00
Tyler Goodlet 443ebea165 Use "pdb" level logging in debug mode 2021-07-08 13:02:33 -04:00
Tyler Goodlet 25779d48a8 Define explicit adapter level methods for mypy 2021-07-08 12:51:35 -04:00
Tyler Goodlet fde52d2464 Mypy fixes 2021-07-08 12:48:34 -04:00
Tyler Goodlet 8c927d708d Change trace to transport level 2021-07-07 14:31:15 -04:00
Tyler Goodlet 31590e82a3 Flip "trace" level to "transport" level logging 2021-07-07 14:31:03 -04:00
Tyler Goodlet 929b6dcc83 Skip debugger tests on windows at module level 2021-07-06 13:26:30 -04:00
Tyler Goodlet 2513c652c1 Go back to only logging crashes if no pdb gets engaged 2021-07-06 08:23:30 -04:00
Tyler Goodlet 9ddb654783 Avoid mutate on iterate race 2021-07-06 08:23:30 -04:00
Tyler Goodlet 7f86d63e77 Drop trip kwarg 2021-07-06 08:23:30 -04:00
Tyler Goodlet 12f987514d Don't enter debug on closed resource errors 2021-07-06 08:23:30 -04:00
Tyler Goodlet 98bbf8e0df Move join event trigger to direct exit path 2021-07-06 08:23:30 -04:00
Tyler Goodlet b1cd7fdedf Don't shield on root cancel it can causes hangs 2021-07-06 08:23:30 -04:00
Tyler Goodlet ef725c5972 Always hard kill sub-procs on teardown 
Adds a new hard kill routine for the `trio` spawning backend.
 2021-07-06 08:23:30 -04:00
Tyler Goodlet a134bc490f Avoid mutate during interate error 2021-07-06 08:23:30 -04:00
Tyler Goodlet 0623de0b47 Expect context cancelled when we cancel 2021-07-06 08:23:30 -04:00
Tyler Goodlet b21e2a6caa Add pre-stream open error conditions 2021-07-06 08:23:30 -04:00
Tyler Goodlet c6cdaf9c31 De-densify some code 2021-07-06 08:23:30 -04:00
Tyler Goodlet 91640facbc Always shield cancel the caller on cancel-causing-errors, add teardown logging 2021-07-06 08:23:30 -04:00
Tyler Goodlet c2484e88a1 First try: pack cancelled tracebacks and ship to caller 2021-07-06 08:23:30 -04:00
Tyler Goodlet 3423ea4011 Add temp warning msg for context cancel call 2021-07-06 08:23:29 -04:00
Tyler Goodlet af701c16ee Consider relaying context error via raised-in-scope-nursery task 2021-07-06 08:23:29 -04:00
Tyler Goodlet 1703171bea Set stream "end of channel" after shielded check! 
Another face palm that was causing serious issues for code that is using
the `.shielded` feature..

Add a bunch more detailed comments for all this subtlety and hopefully
get it right once and for all. Also aggregated the `trio` errors that
should trigger closure inside `.aclose()`, hopefully that's right too.
 2021-07-06 08:23:29 -04:00
Tyler Goodlet 3d633408fc Don't clobber msg loop mem chan on rx stream close 
Revert this change since it really is poking at internals and doesn't
make a lot of sense. If the context is going to be cancelled then the
msg loop will tear down the feed memory channel when ready, we don't
need to be clobbering it and confusing the runtime machinery lol.
 2021-07-06 08:23:29 -04:00
Tyler Goodlet 8eb889a745 Modernize streaming tests 2021-07-06 08:23:29 -04:00
Tyler Goodlet 349d82d182 Speedup the dynamic pubsub test 2021-07-06 08:23:29 -04:00
Tyler Goodlet 7c5fd8ce9f Add detailed ``@tractor.context`` cancellation/termination tests 2021-07-06 08:23:29 -04:00