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30 Commits

Author SHA1 Message Date
cat da11b26ec1 container/initoverlay: configure via fsconfig 
This works around the page size limit at the cost of negligible performance regressions.

Closes #34.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2026-05-04 02:29:56 +09:00
cat c61cdc505f internal/params: relocate from package container 
This does not make sense as part of the public API, so make it internal.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2026-04-07 16:37:44 +09:00
cat 50403e9d60 internal/netlink: wrap netpoll via context 
This removes netpoll boilerplate for the most common use case.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2026-03-25 15:39:29 +09:00
cat bac583f89e internal/stub: move from container 
This package solves a very specific stubbing use case, in a less than elegant manner.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2026-03-17 16:09:14 +09:00
cat 88d9a6163e container/initplace: return nil for createTemp error injection 
This matches os package behaviour, and avoids adding the cleanup.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2026-02-17 14:16:54 +09:00
cat 2494ede106 container/init: configure interface lo 
This enables loopback networking when owning the net namespace.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2026-01-11 03:36:20 +09:00
cat fae910a1ad container: sync stubbed wait4 loop after notify 
This ensures consistent state observed by wait4 loop when running against stub.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-12-14 10:22:48 +09:00
cat e9fb1d7be5 container/initdaemon: copy wstatus from wait4 loop 
Due to the special nature of the init process, direct use of wait outside the wait4 loop is racy. This change copies the wstatus from wait4 loop state instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-12-08 22:58:42 +09:00
cat 357cfcddee container: start daemons within container 
This is useful for daemons internal to the container. The only current use case is pipewire-pulse.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-12-08 07:21:04 +09:00
cat fba201c995 container/std: relocate rule types 
This enables its use in hst for #15.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-05 06:00:39 +09:00
cat 7638a44fa6 treewide: parallel tests 
Most tests already had no global state, however parallel was never enabled. This change enables it for all applicable tests.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-10-13 04:38:48 +09:00
cat 87b5c30ef6 message: relocate from container 
This package is quite useful. This change allows it to be imported without importing container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-10-09 05:18:19 +09:00
cat 46cd3a28c8 container: remove global msg 
This frees all container instances of side effects.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-29 06:11:47 +09:00
cat e55822c62f container/init: reduce verbose noise 
This makes it possible to optionally omit the identifying verbose message, for when the Op implementation can provide a much more useful message in its case, using information not yet available to the String method.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-28 21:51:10 +09:00
cat e81a45e849 container/dispatcher: optional stub wait4 signal association 
This synchronises the wait4 return after the toplevel signal call in lowlastcap_signaled_cancel_forward_error.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 20:28:49 +09:00
cat 3920acf8c2 container/stub: remove function call in handleExit 
This gets inlined and does not cause problems usually but turns out -coverpkg uninlines it and breaks the recovery.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 19:39:12 +09:00
cat 19630a9593 container/dispatcher: remove wait4 test log 
Turns out the reporting methods are not safe for concurrent use, despite the claim in testing.T doc comment.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 05:30:57 +09:00
cat 4051577d6b container/stub: override goexit methods 
FailNow, Fatal, Fatalf, SkipNow, Skip and Skipf must be called from the goroutine created by the test.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 04:51:49 +09:00
cat 1b5d20a39b container/dispatcher: stub.Call initialisation helper function 
This keeps composites analysis happy without making the test cases (too) bloated.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-02 04:44:08 +09:00
cat 49600a6f46 container/stub: export stub helpers 
These are very useful in many packages containing relatively large amount of code making calls to difficult or impossible to stub functions.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-31 23:11:25 +09:00
cat d7c7c69a13 container/dispatcher: check simple test errors via reflect 
Again, avoids the errors package concealing unexpected behaviours.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 22:12:21 +09:00
cat 1c7e634f09 container/dispatcher: check test errors via reflect 
Using the errors package might conceal some incorrect behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 02:35:24 +09:00
cat 8db906ee64 container/dispatcher: remove exit stub test log 
Turns out testing.T does not like being called in defer.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-25 17:33:35 +09:00
cat 2baa2d7063 container/init: measure init behaviour 
This used to be entirely done via integration tests, with almost no hope of error injection and coverage profile. These tests significantly increase confidence of future work in this area.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-24 04:52:32 +09:00
cat 0166833431 container/dispatcher: start goroutine in dispatcher 
This allows instrumentation of calls from goroutine without relying on finalizers.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 21:58:40 +09:00
cat 1b3902df78 container/dispatcher: instrument each goroutine individually 
Scheduler nondeterminism cannot be accounted for, so do this instead.

There should not be any performance penalty as these calls are optimised out for direct.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 11:07:16 +09:00
cat ea1e3ebae9 container/params: pass fd instead of file 
The file is very difficult to stub. Pass fd instead as it is the value that is actually useful.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 00:16:46 +09:00
cat 1c692bfb79 container/init: call lockOSThread through dispatcher 
This degrades test performance if not stubbed out.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 22:24:14 +09:00
cat afe23600d2 container/path: use syscall dispatcher 
This allows path and mount functions to be instrumented.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 22:02:21 +09:00
cat 09d2844981 container/init: wrap syscall helper functions 
This allows tests to stub all kernel behaviour, enabling measurement of all function call arguments and error injection.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 19:27:31 +09:00