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98 Commits

Author SHA1 Message Date
Calvin Rose 84ad161f1e Add support for weak references in arrays. 
Also change weak table syntax to not require keyword arguments.
 2023-09-30 10:56:43 -05:00
Calvin Rose 6efb965dab Merge branch 'weak-tables' 2023-09-29 07:38:21 -05:00
Calvin Rose b3a6e25ce0 Add weak references in the form of weak tables. 
Any references exclusively held by a weak table may be collected
without the programmer needing to free references manually. A table
can be setup to have weak keys, weak values, or both.
 2023-09-27 23:36:09 -05:00
Calvin Rose 81f35f5dd1 Redo state management for Janet listeners. 
Make more use of the built in GC code for abstracts to
be sure things are more correct. Issue before was streams could
be freed before IOCP events arrived.
 2023-09-25 00:43:36 -07:00
Calvin Rose 5dd18bac2c More fixups to gc.c 2023-09-24 11:51:22 -07:00
Calvin Rose 018f4e0891 Remove some old code. 2023-09-24 10:30:58 -07:00
Calvin Rose e85809a98a Remove remains of gc instrumentation code. 2023-09-24 10:11:24 -07:00
Calvin Rose e6e9bd8147 Redo async connect code to be moved out of ev.c. 
Async connect is different than write.
 2023-09-24 10:08:40 -07:00
Calvin Rose b7f8224588 Address #1263 
Fix reference counting when cleaning up unused abstract types
per-thread.
 2023-08-20 14:53:25 -05:00
Calvin Rose f4bc89d1c0 Progress. 2023-02-02 21:08:48 -06:00
Jona Ekenberg ce31db09e4 symbolslots should be gc'd, local_symbols always pushed in case *debug* is set in middle of function 2023-02-01 11:45:13 +01:00
Calvin Rose a0f40042cb Update copyright year. 2023-01-07 15:03:35 -06:00
Calvin Rose 3715d7a184 Auto update copyright date. 2022-03-21 18:22:59 -05:00
Calvin Rose 03f99752a7 Merge branch 'master' into struct-proto 2021-10-29 16:42:34 -05:00
Michael Camilleri 7ed0aa6630
Use named union in JanetGCObject 2021-10-22 09:52:57 +09:00
Jonathan Marler e381622a9a add NULL check in gc.c to avoid UB 
After the UB was fixed in value.c, I tried running the build again and encoutered another instance of UB in gc.c.  With this fixed I can now build janet with ubsan enabled, meaning there's no more UB encountered in janet_boot during the build.
 2021-09-11 19:50:52 -06:00
Calvin Rose c8827424e7 Fix memory leak and use after free 
Use after free was caused by missing janet_gcroot call when
setting up thread.
 2021-08-19 21:51:53 -05:00
Calvin Rose eb0b37f729 Initial threaded abstract types. 2021-08-19 20:56:48 -05:00
Calvin Rose 1ef6db16ed Add janet_vm_save and janet_vm_load. 
This lets a user multiplex multiple Janet VMs on a single
thread or process if they are willing to implement context switching
themselves.
 2021-07-16 20:59:03 -05:00
Calvin Rose bbae43f259 Update copyright dates. 2021-05-31 13:46:02 -05:00
Andrew Chambers f4c9064b79 Add config support for custom allocators. 2021-03-23 23:00:48 +13:00
Calvin Rose 4f2d1cdc00 Go back to a single supervisor channel per fiber. 
We now also use the fiber mask to figure out which flags to wait for.
 2021-01-12 21:35:28 -06:00
Calvin Rose 8286b33c52 Add event-chan argument to ev/go. 
The event-chan is the final piece of the puzzle for fibers, and
will be pushed to when a fiber yields to the event loop.
 2021-01-09 23:33:23 -06:00
Calvin Rose 475775cc9d Add a "new_channel" for root fibers. 
When new fibers are scheduled on the event loop, this new_channel
receives the newly created fibers. This lets a fiber track which fibers
have been added and let's a user implement a supervisor.

Fix formatting.
 2021-01-09 18:33:40 -06:00
Calvin Rose 4e7ad3c7ce Add initial implementation for supervisor channels. 
Supervisor channels are a simple concept to more efficiently
enable dynamic, structure concurrency. When a top-level fiber
completes (or errors), it will push itself to it's supervisor
channel if it has one (instead of printing a stacktrace). This
let's another fiber poll a channel and "supervise" a set of fibers.
 2021-01-06 23:19:22 -06:00
Calvin Rose c357af02c2 Allow iterating over fibers with each and similar. 2021-01-03 16:17:36 -06:00
Calvin Rose 0f16f21677 Make builds deterministic again. 
Also prevent marshal from creating multiple copies of
a function - (marshal function pointer before function def pointer).
 2020-12-06 16:32:23 -06:00
Calvin Rose 1b0edf54f1 Fix gc leak. 
Rather than trying to be clever with pinning/unpinning, always
mark the root fiber and that should serve as thei singular common root in almost
all cases.
 2020-11-12 14:29:38 -06:00
Calvin Rose 78ffb63429 Disallow mutlitple state machines waiting for a single fiber. 
A 'select' operator will be channel based, not state machine based.
 2020-08-08 07:51:46 -05:00
Calvin Rose 9ba94d2c6b More work on timeouts and racing listeners. 
When two listeners are racing to resume the same fiber, the
first should cancel out the other.
 2020-07-05 17:26:17 -05:00
Calvin Rose 37a430c97c Move declarations around. 2020-07-03 13:47:48 -05:00
Calvin Rose a0abf307b4 Merge branch 'master' into ev 2020-07-03 12:14:48 -05:00
Calvin Rose 95c633914f Add auto-resizing of gc interval. 
This should prevent over use of GC and O(n^2)
behavior.
 2020-06-27 16:51:20 -05:00
Calvin Rose b68b0a256e Start with ev module. 2020-05-28 10:39:40 -05:00
Calvin Rose b1f76139a7 Add several configurable options - #379 2020-05-09 12:00:01 -05:00
Calvin Rose 596111c988 Merge branch 'master' into net 2020-04-17 15:08:26 -05:00
Calvin Rose 72beeeeaaa Move funcenv verification to runtime. 
Lazy verification makes it easier to not leave funcenvs
in an invalid state, as well as be more precise with the validation.
We needed to verify the FuncEnvs actually pointed to a stack frame if
they were of the "on-stack" variant. There was some minor checking
before, but it was not enough to prevent func envs from pointing to
memory that was off of the fiber stack, overlapping stack frames, etc.
 2020-04-06 10:58:47 -05:00
Calvin Rose b0d8369534 Increase reference accuracy of on-stack close envs. 
Using a bitset to indicate which stack values are upvalues, we
can more accurately track when a reference to a stack value
persists after the stack frame exits.
 2020-03-18 09:30:10 -05:00
Calvin Rose fac47e8ecb When marshalling a closure, try to detach funcenvs 
If possible, this will reduce the need to marshal fibers
in many cases. Also add this logic to the GC so holding a closure
that originally came from a fiber that crashed does not cause that fiber
to hang around forever.
 2020-03-17 18:55:32 -05:00
Calvin Rose eda61455d3 Work on tcp server code. 2020-02-03 09:29:51 -06:00
Calvin Rose 333ae7c4f8 Make amalgamtion the default when building. 
This way we can support fewer build configurations. Also, remove
all undefined behavior due to use of memcpy with NULL pointers. GCC
was exploiting this to remove NULL checks in some builds.
 2020-01-28 23:38:52 -06:00
Calvin Rose 4fad0714e7 Add janet_gcpressure. Address #269. 2020-01-22 20:52:35 -06:00
Calvin Rose a68ee7aac6 Update Copyright 2020. 2020-01-12 10:50:37 -06:00
Calvin Rose 0e7cf51890 Fix MSVC warnings. 2020-01-12 10:19:51 -06:00
Calvin Rose b54d9725d8 Fix MSVC errors. 2020-01-12 10:18:03 -06:00
Calvin Rose ed5027db5d Address #242 
Synchronize critical sections in setenv/getenv/environ.
 2020-01-06 22:41:18 -06:00
Calvin Rose 212aceedc6 Fix useless type conversion. 2020-01-02 22:12:07 -06:00
Calvin Rose e6f897f4ef Merge branch 'master' of github.com:janet-lang/janet 2020-01-02 22:10:13 -06:00
Calvin Rose 6c7f376410 Try to remove potential overflow bugs. 
Also make integer to size_t casts explicit rather than relying on
int32_t * sizeof(x) = size_t. This is kind of a personal preference for
this problem.
 2020-01-02 22:08:17 -06:00
Andrew Chambers acdbf8911c Add scratch calloc. 2020-01-03 12:10:17 +13:00