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Author SHA1 Message Date
Matthew Flatt
b64e17388f cs: fix stdio/syslog GC logging as triggered by future thread 
Always use the main `rktio` instance and don't try to explicitly start
atomic mode.
 2019-06-24 20:00:51 -06:00
Matthew Flatt
309a0c2489 cs: fix future-logging race 2019-06-24 18:28:03 -06:00
Matthew Flatt
51ab4a5c6a thread: repairs for event logging 
Fix RacketCS so that the future visualizer works.
 2019-06-24 16:36:16 -06:00
Matthew Flatt
0106abaf6e bump version number 
Since it removes an built-in place-local definition, commit 564dcf339a
can affect compilation for Racket CS.
 2019-06-24 15:29:45 -06:00
Matthew Flatt
87673902dc docs: correct description of file-position 
Explain more when a file's size is changed by `file-position`.
 2019-06-24 15:28:22 -06:00
Matthew Flatt
0d3d0d7d86 thread: add notes on the behavior of futures 2019-06-24 14:54:37 -06:00
Matthew Flatt
564dcf339a cs: fix memory accounting and futures 
Also avoid problems with interrupting a rapidly allocating
computation and shutting down the main custodian.
 2019-06-24 13:59:03 -06:00
Matthew Flatt
a5a84ea8c6 remove accidentally committed debugging printout 2019-06-24 08:14:58 -06:00
Matthew Flatt
1192225c97 avoid some compiler warnings 2019-06-23 06:46:28 -06:00
Matthew Flatt
2a530b4c88 makefile: avoid git submodule update in cs-as-is 2019-06-22 08:01:12 -06:00
Matthew Flatt
1e84b11462 expander: repair extraction when using an existing Racket build 
Recent improvements to module-name resolution caching exposed a
problem in the extraction setup.
 2019-06-22 07:43:02 -06:00
Matthew Flatt
f00de510de cs configure: support installed libz and libzl4 
Continue to build the bundled-with-Chez zlib and lz4 by default, but
support `--enable-libz` and `--enable-liblz4`, and turn those on when
the Chez Scheme directory doesn't have bundled versions. That should
make things build right for distributions where repackaging
dependencies is disallowed or discouraged.
 2019-06-22 07:11:09 -06:00
Matthew Flatt
6647d832bb configure: further improvements for NetBSD and OpenBSD 
Enable ELF support for `racketcs` embedding, and add `paxctl +m`
build steps for NetBSD.
 2019-06-22 06:23:47 -06:00
Matthew Flatt
7706b447a5 configure: propagate ARFLAGS to libffi configure 2019-06-21 21:54:22 -06:00
Matthew Flatt
5fb38fc246 cs: sync include path for {Free,Open}BSD 2019-06-21 21:12:17 -06:00
Matthew Flatt
e68269b357 makefile: avoid automatic "Makefile" rebuild 2019-06-21 19:46:39 -06:00
Matthew Flatt
90b79524aa revise build to avoid ld and nicear 
The Chez Scheme build process now create an archive instead of linking
"kernel.o". Adjust the Racket CS build to use archives instead of
"kernel.o".

Also, modernize the Racket build's use of `ar`. Using the flags `rc` by
default (instead of `ruv`) should avoid the need for `nicear`.
 2019-06-21 16:53:58 -06:00
Matthew Flatt
5c51096a88 cs: repair filesystem-change-evt 
Correct an incomplete adaptation in a2a67a9660.
 2019-06-21 13:35:33 -06:00
Matthew Flatt
f27924b8a7 extra math tests 
Check repairs for some Racket CS differences that Vincent found
through random testing.

Related to #2708
 2019-06-21 13:35:33 -06:00
Vincent St-Amour
77b48f1f2c Fix typo. 2019-06-21 12:32:37 -05:00
Matthew Flatt
c7f7170a3e avoid compiler warning 2019-06-21 09:50:32 -06:00
Matthew Flatt
6e70d8ec1d nicer nicear: suppress "modifier ignored" warning 
If GUN ar is configured for deterministic mode by default, then

  ar: `u' modifier ignored since `D' is the default (see `U')

prints. Suppress that to avoid stderr output.
 2019-06-21 09:49:11 -06:00
Matthew Flatt
c1bb341d2e skip test of non-embedded "embed-me37.rkt" 
The module works as intended only when embedded with the right flags.
 2019-06-21 09:30:14 -06:00
Matthew Flatt
db3b75eaf1 expander: add shadow filesystem for Windows in collection lookup 
Checking for directories when searching for a collection can be
especially slow with the Windows filesystem, but Windows also supports
filesystem-change events. So, cache information about the existence of
paths, relying on filesystem-change events to detect with the cache is
out of date.

Related to racket/drracket#281
 2019-06-21 09:27:12 -06:00
Matthew Flatt
a2a67a9660 filesystem-change-evt: fix use of failure thunk 
Also, allow the failure thunk to be #f to get the default behavior.
 2019-06-21 09:27:12 -06:00
Atharva Raykar
d6ffc5b820 Fix cosmetic error in code example (#2705) 
* Fix cosmetic error in code example

* Improve code example
 2019-06-21 09:28:21 -04:00
Matthew Flatt
ec5b45e4f8 cs: inline arithmetic-shift and other bitwise operations 2019-06-20 18:31:19 -06:00
Matthew Flatt
9083c6abb4 schemify: use unsafe box operation for lifted mutable variables 2019-06-20 18:30:55 -06:00
Matthew Flatt
bf692f572d cs: avoid indirection through Chez Scheme for raise 2019-06-20 14:37:03 -06:00
Matthew Flatt
3f35504355 thread: refactor scheduler poll-and-select loop 
Further reduce redundant checks, and also avoid an excessive delay
after making the process sleep.
 2019-06-20 14:36:43 -06:00
Matthew Flatt
6d3eff55a4 cs: repair for external signals 
Like 2a1404f9a3, but for Ctl-C.
 2019-06-20 12:14:48 -06:00
Matthew Flatt
35ff9137e7 cs: tweak return for call/ec and call-with-continuation-barrier 
The prompt installed for an escape continuation or continuation
barrier is never used to delimit a captured continuation, so the
return from the continuatiton can be streamlined slightly.

The benefit is very small (but detectable in the macro expander's use
of barriers). There's an opportunity to use `call/1cc` instead of
`call/cc`, but that change does seem to help --- neither Chez Scheme's
current `call/1cc` nor the opportunistic variant of `call/cc` use to
implement continuation attachments.
 2019-06-20 08:48:56 -06:00
Matthew Flatt
30393ae0fa cs: linear-time prompt check 
Add cache for `continuation-prompt-available?` so it's amortized
constant time.
 2019-06-20 08:48:56 -06:00
Ryan Culpepper
685d067361 syntax/parse: fix handling of ~seq with action patterns 2019-06-20 16:36:14 +02:00
Matthew Flatt
2a1404f9a3 cs & io: fix fd semaphore polling 
Reducing external-event polling exposed a problem with fd semaphore
checking, where the check before sleeping didn't abandon the sleep if
an fd semaphore was posted.

Also, fix a bug with interrupted network address lookup.
 2019-06-19 18:13:37 -06:00
Matthew Flatt
1ba4d76fe0 cs & thread: avoid excessive polling for external events 
Reduce polling in the case that threads that block and swap rapidly,
in which case polling on every thread swap can be useless and
expensive.
 2019-06-19 17:27:24 -06:00
Matthew Flatt
ba8d442e75 cs & thread: refactor and finish futures implementation 
Complete the implementation of futures, fsemaphores, future logging,
and their cooperation with threads, places, and custodians.
 2019-06-19 12:50:19 -06:00
Ryan Culpepper
eb4ec000b0 syntax/parse: use generic tree functions in analyses 2019-06-19 16:21:43 +02:00
Ryan Culpepper
4b64cdef54 syntax/parse: add multiple pattern-processing passes 
- pair specialization
- and/ord normalization, and cleanup
- add pat:seq-end to list-pattern
 2019-06-19 16:21:43 +02:00
Ryan Culpepper
29e46bea78 syntax/parse: add generic (dynamic) tree traversal library 2019-06-19 16:21:43 +02:00
Ryan Culpepper
e845d0861d syntax/parse: add explicit pattern checks 2019-06-19 16:21:43 +02:00
Ryan Culpepper
fa78f5ebd3 syntax/parse: add well-formed pattern predicates 2019-06-19 16:21:43 +02:00
Ryan Culpepper
769dfb9e34 syntax/parse: add hpat:single; {single,head}-pattern types disjoint 2019-06-19 16:21:43 +02:00
Ryan Culpepper
5ab82ccdd4 syntax/parse: code reorganization 2019-06-19 16:21:43 +02:00
Ryan Culpepper
1c01df60ce syntax/parse: use logging instead of conditional eprintf, show more patterns 2019-06-19 16:21:43 +02:00
Ryan Culpepper
39bacd45d5 syntax/parse: simplify head pattern compilation 
The continuation expression for a head pattern evaluates to a
procedure that takes the rest of the term and the current progress.
 2019-06-19 16:21:43 +02:00
Ryan Culpepper
6e46dd1b0d syntax/parse: fix saving of eh-alternatives 
Avoid adding extra syntax wrapping. This doesn't matter for parsing,
but it does matter for pattern analyses.
 2019-06-19 16:21:43 +02:00
Ryan Culpepper
4a7717679a syntax/parse: clean up insertion of default expressions in patterns 2019-06-19 16:21:43 +02:00
Ryan Culpepper
233c9b8f50 syntax/parse: fix abstract failure pattern analysis 2019-06-19 16:21:43 +02:00
Ryan Culpepper
bad4dd909d syntax/parse: delete dead make-dummy-stxclass 2019-06-19 16:21:43 +02:00