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865 Commits (b14699d40ba18af58dff9236b55d101bfb9de86a)

Author SHA1 Message Date
goodboy 87ce6c8eb3
Merge pull request #234 from goodboy/root_tty_hangs 
Root tty hangs
 2021-09-02 16:58:25 -04:00
Tyler Goodlet 76342ed0c5 Add news bit 2021-09-02 16:50:32 -04:00
Tyler Goodlet 3208b67f57 Drop shielding on root lock acquire; seems to prevent hangs 2021-09-02 16:23:38 -04:00
Tyler Goodlet 61d2307e52 Unlock pdb tty on all possible net faults 2021-09-02 16:23:38 -04:00
Tyler Goodlet 79f0d6fda0 Attempt to avoid pdb lockups on channel breakage 
Always try to release the root tty lock on broken connection errors.
 2021-09-02 16:23:10 -04:00
Tyler Goodlet 4f166500d0 Add return type to debugger factory 2021-09-02 16:22:59 -04:00
Tyler Goodlet d906c81f14 Export portal type at top level 2021-09-02 16:22:59 -04:00
Tyler Goodlet 68d56d5df0 Try not masking SIGINT in child processes 2021-09-02 16:22:59 -04:00
Tyler Goodlet 497fa72c96 Add a SIGINT handler that kills the process tree 
We're not actually using this but it's for reference if we do end up
needing it.

The std lib's `pdb` internals override SIGINT handling whenever one
enters the debugger repl. Force a handler that kills the tree if SIGINT
is triggered from the root actor, otherwise ignore it since supervised
children should be managed already. This resolves an issue with guest
mode where `pdb` causes SIGINTs to be swallowed resulting in the host
loop never terminating the process tree.
 2021-09-02 16:22:02 -04:00
goodboy e5845b5d36
Merge pull request #230 from goodboy/drop_stream_shielding 
Drop stream shielding; it was from a legacy api design
 2021-09-02 16:18:42 -04:00
goodboy 7e98afa685
Merge pull request #233 from goodboy/drop_py37 
Drop py37
 2021-09-02 15:00:12 -04:00
Tyler Goodlet 22a79219a1 Lol, guess windows needs the extra minutes 2021-09-02 08:35:31 -04:00
Tyler Goodlet 3919c9739e Make fragment a `.rst` 2021-09-02 08:35:25 -04:00
Tyler Goodlet 558c44fdbe Add newsfragment 2021-09-02 08:33:29 -04:00
Tyler Goodlet b4d95e9543 Update docs to new close semantics 2021-09-02 08:24:18 -04:00
Tyler Goodlet af85d35685 Drop stream shielding; it was from a legacy design 
The whole origin was not having an explicit open/close semantic for
streams. We have that now so this internal mechanic isn't needed and
further our streams become more correct by having `.aclose()` be
independent of cancellation.
 2021-09-02 08:24:18 -04:00
Tyler Goodlet b176628206 Drop 3.7 support from install script 
Resolves #232
 2021-09-02 07:51:33 -04:00
Tyler Goodlet 47a469484d Drop py3.7 from CI; cut run to 5mins 2021-09-02 07:51:33 -04:00
goodboy 07e43f88bf
Merge pull request #231 from goodboy/add_the_crier 
Use `towncrier`
 2021-09-02 07:50:15 -04:00
Tyler Goodlet a221949e8f Add small howto instructions 2021-09-02 07:40:43 -04:00
Tyler Goodlet fc76e97a45 Initial `towncrier` integration for releases 
Add a small config with a manually specified version key for now.
Fix up some changelog contents from last release and bump our `setup.py`
version to an `.alpha2.dev0`.

Resolves #227
 2021-09-01 17:04:12 -04:00
goodboy a105e32e34
Merge pull request #226 from goodboy/debugger_test_tweaks 
Debugger tests determinism
 2021-08-03 08:59:02 -04:00
Tyler Goodlet ace1b1312c Terminate async gen example caller to avoid (benign) errors in console output 2021-08-02 21:49:15 -04:00
Tyler Goodlet 7431e8ea01 Don't log cancelled inceptions seen by the root 2021-08-02 21:15:42 -04:00
Tyler Goodlet 82999801a6 Drop leftover noisy exception logging.. 2021-08-02 16:56:00 -04:00
Tyler Goodlet c5c7e694ec Better early timeout handling, continue on child re-lock 2021-08-01 13:10:51 -04:00
goodboy b01f594025
Merge pull request #225 from goodboy/fix_news_links 
Facepalm: fix rst hyperlinks
 2021-08-01 11:52:39 -04:00
Tyler Goodlet a84a27c6d3 Facepalm: fix rst hyperlinks 2021-08-01 11:29:41 -04:00
goodboy 9cfec2d3b5
Merge pull request #224 from goodboy/wats_da_nooz 
Add .alpha1 news flash
 2021-08-01 11:24:12 -04:00
Tyler Goodlet 8a4a11b885 Add .alpha1 news flash 2021-08-01 10:58:41 -04:00
goodboy 14379a0f46
Merge pull request #220 from goodboy/ctx_debugger 
Ctx debugger
 2021-08-01 10:56:57 -04:00
Tyler Goodlet 674fbbc6b3 Docs and comments tidying 2021-08-01 10:44:13 -04:00
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