mit-scheme.git
11 years agoUpdate copyrights to 2013.
Chris Hanson [Sun, 9 Jun 2013 08:05:26 +0000 (01:05 -0700)]
Update copyrights to 2013.

11 years agoDon't allow AC_CHECK_DECL([__x86_64__]) to override user-specified cpu spec.
Chris Hanson [Sun, 9 Jun 2013 07:25:33 +0000 (00:25 -0700)]
Don't allow AC_CHECK_DECL([__x86_64__]) to override user-specified cpu spec.

11 years agoSome tweaks while debugging a problem.
Chris Hanson [Sun, 9 Jun 2013 07:24:05 +0000 (00:24 -0700)]
Some tweaks while debugging a problem.

11 years agoFix typo.
Chris Hanson [Sun, 9 Jun 2013 00:37:36 +0000 (17:37 -0700)]
Fix typo.

11 years agoSyntax and compile win32 separately in the top-level makefile.
Taylor R Campbell [Tue, 4 Jun 2013 17:19:21 +0000 (17:19 +0000)]
Syntax and compile win32 separately in the top-level makefile.

11 years agoMake NUMBER->STRING give negative flonum zero a minus sign.
Taylor R Campbell [Tue, 4 Jun 2013 17:18:36 +0000 (17:18 +0000)]
Make NUMBER->STRING give negative flonum zero a minus sign.

11 years agoMake EQV? distinguish signed flonum zeros.
Taylor R Campbell [Tue, 4 Jun 2013 17:18:11 +0000 (17:18 +0000)]
Make EQV? distinguish signed flonum zeros.

11 years agoFix i386 and amd64 lapgen rules to load negative zero correctly.
Taylor R Campbell [Tue, 4 Jun 2013 17:17:28 +0000 (17:17 +0000)]
Fix i386 and amd64 lapgen rules to load negative zero correctly.

11 years agoFix floating-point underflow tests with a suggestion from Bill Kahan.
Taylor R Campbell [Tue, 4 Jun 2013 08:50:24 +0000 (08:50 +0000)]
Fix floating-point underflow tests with a suggestion from Bill Kahan.

11 years agoDisregard ERANGE from libm log when x = 0.
Taylor R Campbell [Tue, 4 Jun 2013 08:47:43 +0000 (08:47 +0000)]
Disregard ERANGE from libm log when x = 0.

This enables log to usefully raise the IEEE 754 divide-by-zero
exception when the divide-by-zero exception is untrapped.

11 years agoAdd some tests for floating-point comparison screw cases.
Taylor R Campbell [Tue, 4 Jun 2013 05:29:03 +0000 (05:29 +0000)]
Add some tests for floating-point comparison screw cases.

11 years agoAdd unordered branches for NaN cases to amd64 comparison trampolines.
Taylor R Campbell [Tue, 4 Jun 2013 05:27:11 +0000 (05:27 +0000)]
Add unordered branches for NaN cases to amd64 comparison trampolines.

11 years agoFix various infinity and NaN screw cases for <, MIN, MAX, *, and /.
Taylor R Campbell [Tue, 4 Jun 2013 05:22:42 +0000 (05:22 +0000)]
Fix various infinity and NaN screw cases for <, MIN, MAX, *, and /.

Behaviour is as prescribed by IEEE 754.  Most of the changes that
involve FLO:NAN? use it only in mixed-exactness branches, which are
not particularly performance-critical anyway.  Eventually we ought to
make FLO:NAN? and FLO:FINITE? open-codable primitives, and add
FLO:INFINITE?, FLO:NORMAL?, and FLO:SUBNORMAL? likewise.

11 years agoOn Mac OS X, use mmap(MAP_FIXED) only for i386.
Taylor R Campbell [Mon, 3 Jun 2013 19:17:41 +0000 (19:17 +0000)]
On Mac OS X, use mmap(MAP_FIXED) only for i386.

11 years agoRework heap mmapping once more.
Taylor R Campbell [Mon, 3 Jun 2013 17:53:59 +0000 (17:53 +0000)]
Rework heap mmapping once more.

- Ensure that if we pass mmap a nonzero address, we are requesting
  MAP_FIXED or MAP_TRYFIXED.

- Try grovelling through /proc/self/maps on NetBSD too -- it might be
  there.

11 years agoFix thinko in BITS.
Taylor R Campbell [Sun, 2 Jun 2013 22:31:19 +0000 (22:31 +0000)]
Fix thinko in BITS.

11 years agoFix for fix for bug #36887: return '() from IGNORABLE parser.
Matt Birkholz [Mon, 3 Jun 2013 16:40:57 +0000 (09:40 -0700)]
Fix for fix for bug #36887: return '() from IGNORABLE parser.

The tail expr was accidentally deleted in the previous commit.

11 years agoFix for bug #36887: Ignore a free variable and sf fails.
Matt Birkholz [Mon, 3 Jun 2013 15:33:57 +0000 (08:33 -0700)]
Fix for bug #36887: Ignore a free variable and sf fails.

Ignoring a free variable now just causes a warning (and names the variable).

11 years agoDon't setsid Scheme.
Taylor R Campbell [Sun, 2 Jun 2013 15:33:41 +0000 (15:33 +0000)]
Don't setsid Scheme.

If you want to detach from the controlling terminal, use a trivial
wrapper program that calls setsid and then exec (e.g., pgrphack from
daemontools), or add a primitive to Scheme to daemonize without race
conditions.

Hitting ^C at the terminal now works to interrupt Scheme in batch
mode, e.g. when run under make during the build.

11 years agocompiler: Don't let continuation-analysis add a cycle...
Matt Birkholz [Sun, 2 Jun 2013 01:53:24 +0000 (18:53 -0700)]
compiler: Don't let continuation-analysis add a cycle...

...to the block tree, which it would do (causing a "maximum recursion
depth exceeded" abort during block->dbg-block) when compiling crazy
code like:

      (define (fubar param)
(define (closure) param)
(define (loop)
  (closure)
  (loop)
  ;; It doesn't break without this
  (tail-call)))
      (fubar sumpn)

This patch checks that the "Acceptable substitute" for a block's
stack-link is not inside the block.

11 years agoMissed a dependency: edwin needs win32 syntaxed first.
Taylor R Campbell [Fri, 31 May 2013 03:53:55 +0000 (03:53 +0000)]
Missed a dependency: edwin needs win32 syntaxed first.

11 years agoRevert tterm.c changes.
Matt Birkholz [Wed, 29 May 2013 22:56:48 +0000 (15:56 -0700)]
Revert tterm.c changes.

tterm.c is not used when not USE_TERMCAP, so these old changes are
unnecessary... and potentially confusing.

11 years agoAdd configure option `--without-termcap'.
Matt Birkholz [Wed, 29 May 2013 22:50:34 +0000 (15:50 -0700)]
Add configure option `--without-termcap'.

Punt the termcap primitives (all of microcode/tterm.c!) if configured
--with-termpcap=no.  The console port ops like clear and x-size were
already equipped with useful(?) defaults.  In fact Edwin (on X11)
still works!

11 years agoMerge branch 'make-jobs'
Taylor R Campbell [Wed, 29 May 2013 14:25:00 +0000 (14:25 +0000)]
Merge branch 'make-jobs'

11 years agoReduce loading verbiage in compile-imail and compile-xml targets.
Taylor R Campbell [Wed, 29 May 2013 14:10:05 +0000 (14:10 +0000)]
Reduce loading verbiage in compile-imail and compile-xml targets.

Their respective compile.scm scripts load everything anyway.

11 years agoSplit compile-edwin target into syntax-edwin/compile-edwin.
Taylor R Campbell [Wed, 29 May 2013 14:07:14 +0000 (14:07 +0000)]
Split compile-edwin target into syntax-edwin/compile-edwin.

11 years agoSplit compile-runtime target into syntax-runtime and compile-runtime.
Taylor R Campbell [Wed, 29 May 2013 14:06:05 +0000 (14:06 +0000)]
Split compile-runtime target into syntax-runtime and compile-runtime.

Dependents of runtime-*.pkd for cref need only syntax-runtime.
Increases parallelism.

11 years agoGenerate an intermediate lib/compiler.com.
Taylor R Campbell [Wed, 29 May 2013 14:04:37 +0000 (14:04 +0000)]
Generate an intermediate lib/compiler.com.

We stopped installing this ages ago and hence stopped building it,
but now that each subdirectory is built in a separate process, it's
useful to avoid reloading the compiler repeatedly during the build.

11 years agoFirst stab at making top-level makefile jobs-safe for native builds.
Taylor R Campbell [Wed, 29 May 2013 13:45:38 +0000 (13:45 +0000)]
First stab at making top-level makefile jobs-safe for native builds.

This enables coarse-grained parallelization of the build.  There's a
nontrivial amount of crap encoded in the makefile about how to do the
build, but that's better than the nontrivial amount of dependency
crap implied by the total ordering in etc/compile.scm, most of which
can go away once the liarc and svm builds are converted similarly.

This does not restructure the build; we still have various bootstrap
and staging botches going on which we need to get rid of.  Fixing
those nicely will require some changes to liar and sf so that we can
compile a fresh compiler into a subdirectory, say `boot', using the
host compiler, and then use that to compile the system.  Liarc
approximates that with the `boot-root' installation prefix, but that
kludge breaks incremental builds which means we never, ever try to
touch the liarc build because the turnaround time is too painful.

11 years agodoc: open-tcp-stream-socket
Matt Birkholz [Tue, 28 May 2013 18:17:41 +0000 (11:17 -0700)]
doc: open-tcp-stream-socket

This procedure no longer has buffer-size and line-translation parameters.
Thanks to nick.f.russell@gmail.com for noticing this.

11 years agodoc: accommodate texinfo 5.1
Matt Birkholz [Tue, 28 May 2013 18:03:43 +0000 (11:03 -0700)]
doc: accommodate texinfo 5.1

Thanks to Charles Moss <czm>.

11 years agoTemporarily: inform older hosts about new type code SEQUENCE.
Matt Birkholz [Tue, 28 May 2013 02:07:19 +0000 (19:07 -0700)]
Temporarily: inform older hosts about new type code SEQUENCE.

Like d4d8ea1 this patch allows the released 9.1.1 (LIAR/C
distribution) to compile the compiler.  Without it, make-liarc-dist.sh
fails.  It seems the hack in d4d8ea1 is saved in a native
x-runtime.com but not in a LIAR/C-based x-runtime.com. ?

11 years agoDon't add empty arguments to -I and -L if pg_config fails.
Taylor R Campbell [Mon, 27 May 2013 21:44:26 +0000 (21:44 +0000)]
Don't add empty arguments to -I and -L if pg_config fails.

11 years agoruntime: Make it nicer to (ge '(R3RS)).
Matt Birkholz [Sat, 27 Apr 2013 21:16:13 +0000 (14:16 -0700)]
runtime: Make it nicer to (ge '(R3RS)).

The default parser and unparser expect to find bindings for
e.g. *parser-table* in any given environment, but there are no such
bindings in a package with parent #f (unless you import them).  If you
don't, executing (ge '(R3RS)) puts the REPL into a tight little error
loop.  This patch makes the parser and unparser consult the (USER)
package if they don't find these bindings in the current environment.

Once "in" a package like (r3rs) it is tricky to get out(!).  Entering
(ge '(USER)) will just produce an error: unbound variable GE.  Thus
the default/repl-eval now looks for an unquoted expression and
evaluates it in the (USER) package, so you can enter ,(ge '(USER)) to
get back.

11 years agocref: one more place must allow #f for a package's parent.
Matt Birkholz [Wed, 24 Apr 2013 16:52:13 +0000 (09:52 -0700)]
cref: one more place must allow #f for a package's parent.

11 years agoffi: Temporay hack is no longer needed.
Matt Birkholz [Wed, 24 Apr 2013 00:49:31 +0000 (17:49 -0700)]
ffi: Temporay hack is no longer needed.

11 years agocref: Support (parent #f) packages. Punt system-global-package.
Matt Birkholz [Wed, 24 Apr 2013 00:48:31 +0000 (17:48 -0700)]
cref: Support (parent #f) packages.  Punt system-global-package.

The package-structure<? sort did not ensure that BOTH a package's
parent-in-name and parent-environment were created first.  An easier
sort ensures only that the parent-environment is created first.  The
parent-in-name was only needed to hang the "child" on a tree.  This
patch replaces the tree with a list: *packages*.  Thus a
parent-in-name is not needed and the only parent/child tree is the
environment tree.

To catch out old code searching for packages via package/children (as
in swank.scm) the system-global-package binding was removed, as was
package/child.  Package/add-child! seems popular and so is supported
(with only minor trouble, i.e. no APPENDing during the cold load).
Package creation by other means is... not supported.

11 years agoAdd (unused) attribute to Rdl.
Matt Birkholz [Fri, 19 Apr 2013 19:26:54 +0000 (12:26 -0700)]
Add (unused) attribute to Rdl.

This eliminates LAIR/C build log noise to the tune of 70,000 lines!

11 years agoTypo: thread-queue/dequeue-until!.
Matt Birkholz [Wed, 17 Apr 2013 16:07:28 +0000 (09:07 -0700)]
Typo: thread-queue/dequeue-until!.

11 years agoRevert this commit when the release can build without it.
Matt Birkholz [Wed, 17 Apr 2013 16:04:28 +0000 (09:04 -0700)]
Revert this commit when the release can build without it.

These last vestiges of TC_COMBINATION_1, TC_COMBINATION_2, TC_PCOMB0,
TC_PCOMB1, and TC_PCOMB2 remain only to allow building directly from
release 9.1.

11 years agoRemove all trace of type codes COMBINATION-2, PCOMB0, etc.
Matt Birkholz [Wed, 17 Apr 2013 15:42:50 +0000 (08:42 -0700)]
Remove all trace of type codes COMBINATION-2, PCOMB0, etc.

This finishes what 3fc580e started.  The resulting system runs but
does not build with the released version 9.1.  That version puts old
combinations in .exts that cannot be fasloaded by this new version.
As the old combination types are no longer compilable nor even
interpretable, it seems the build process loads them but does not use
them.

The following commit will put just the gc handlers back, which is
sufficient to allow building directly from 9.1.

11 years agoFix argument order in HASH-TABLE/MODIFY! documentation.
Taylor R Campbell [Tue, 9 Apr 2013 02:46:16 +0000 (02:46 +0000)]
Fix argument order in HASH-TABLE/MODIFY! documentation.

11 years agoFix tabification in (runtime hash-table) package description.
Taylor R Campbell [Tue, 9 Apr 2013 02:45:36 +0000 (02:45 +0000)]
Fix tabification in (runtime hash-table) package description.

11 years agoMerge Alexey's hash table documentation and tweaks from ages ago.
Taylor R Campbell [Tue, 9 Apr 2013 02:42:12 +0000 (02:42 +0000)]
Merge Alexey's hash table documentation and tweaks from ages ago.

There was some little issue but I forget what it was.

11 years agoWarn that weak references are scary and hard to get right.
Alexey Radul [Fri, 27 May 2011 21:04:45 +0000 (22:04 +0100)]
Warn that weak references are scary and hard to get right.

Redirect to provided higher-level abstractions.

11 years agoUpdate hash-table/count for multiple entry types.
Alexey Radul [Sun, 29 May 2011 22:22:41 +0000 (23:22 +0100)]
Update hash-table/count for multiple entry types.

11 years agoRecord the reason for the restrictions in hash-table/modify!
Alexey Radul [Sun, 29 May 2011 22:06:42 +0000 (23:06 +0100)]
Record the reason for the restrictions in hash-table/modify!

I found this non-obvious when I was writing the documentation, so it
seems appropriate to record it somewhere.  On the other hand, it does
not seem appropriate to burden the user with having to read it ---
just obey the restriction and you'll be fine.  Will anyone ever read
comments in the source of the manual?  Is there a better place to
record this knowledge?

11 years agoAdd some concept index entries that seem reasonable.
Alexey Radul [Sun, 29 May 2011 21:56:34 +0000 (22:56 +0100)]
Add some concept index entries that seem reasonable.

11 years agoUpdate the documentation of hash-table/clean!
Alexey Radul [Sun, 29 May 2011 21:48:26 +0000 (22:48 +0100)]
Update the documentation of hash-table/clean!

11 years agoDeprecate {strong/weak}-hash-table/constructor.
Alexey Radul [Sun, 29 May 2011 21:47:49 +0000 (22:47 +0100)]
Deprecate {strong/weak}-hash-table/constructor.

Flush the detailed description of what they do as having been copied
into the description of HASH-TABLE/CONSTRUCTOR.

11 years agoRewrite the hash table constructors section with more weakness options.
Alexey Radul [Sun, 29 May 2011 21:37:59 +0000 (22:37 +0100)]
Rewrite the hash table constructors section with more weakness options.

Define and export key-ephemeral-eq and key-ephemeral-eqv tables as
replacements for the key-weak versions.

Punt descriptions of old hash table constructor procedures to the
bottom of the section and say they are for backward compatibility.

One may object to MAKE-KEY-EPHEMERAL-EQ-HASH-TABLE on the grounds that
it invites a combinatorial explosion of names:
make-key/datum-weak-eqv-hash-table
make-datum-ephemeral-string-hash-table
make-key&datum-ephemeral-equal-hash-table (!?)
and so on ad nauseam.

Where will it end?  The criterion I used to decide which names to
export and document and which names to leave alone and defer to the
general HASH-TABLE/CONSTRUCTOR mechanism was simply to update the
existing documentation.  The manual already listed
MAKE-WEAK-EQ-HASH-TABLE.  It is now named MAKE-KEY-WEAK-EQ-HASH-TABLE,
so that name is included.  But really, a key-weak table is just a
performance optimization over a key-ephemeral table, to save work when
you know the data will not hold the keys strongly.  So
MAKE-KEY-EPHEMERAL-EQ-HASH-TABLE is in; it was, in fact, the reason I
wanted Taylor to implement ephemerons in the first place.
MAKE-KEY-EPHEMERAL-EQV-HASH-TABLE is in to preserve the symmetry
between eq? and eqv? that was already present in the manual.  But the
rest of them are out, because they weren't there before.  If
datum-weak tables were so important that their constructor really must
be given a name here, then (arguably) why were they not already
implemented and documented?  The fact that MIT Scheme only supported
strong and key-weak tables for a long time suggests that those kinds
are the most common, and therefore the most deserving of slots in the
name space.

11 years agoRelocate and update the examples of defining hash table contructors.
Alexey Radul [Sun, 29 May 2011 20:48:27 +0000 (21:48 +0100)]
Relocate and update the examples of defining hash table contructors.

Now in terms of HASH-TABLE/CONSTRUCTOR and entry types.

11 years agoDraft documentation of HASH-TABLE/CONSTRUCTOR and all the entry types.
Alexey Radul [Fri, 27 May 2011 22:56:42 +0000 (23:56 +0100)]
Draft documentation of HASH-TABLE/CONSTRUCTOR and all the entry types.

Will adjust the surrounding text to fit it in in a separate commit.

11 years agoRedirect cross reference to Weak References
Alexey Radul [Fri, 27 May 2011 20:42:38 +0000 (21:42 +0100)]
Redirect cross reference to Weak References

on the grounds that that is now the landing page for the discussion of
strength and weakness.

11 years agoImprove documentation of hash-table/{modify,intern}!
Alexey Radul [Fri, 27 May 2011 08:31:28 +0000 (09:31 +0100)]
Improve documentation of hash-table/{modify,intern}!

By the mechanism of implementing Taylor's suggestions.  Also add
sentences about average running times.

11 years agoDeparenthesize.
Alexey Radul [Thu, 26 May 2011 11:05:25 +0000 (12:05 +0100)]
Deparenthesize.

11 years agoCollect "Weak Pairs" and "Ephemerons" into a section called "Weak References".
Alexey Radul [Thu, 26 May 2011 11:03:25 +0000 (12:03 +0100)]
Collect "Weak Pairs" and "Ephemerons" into a section called "Weak References".

State the common motivation, define the common terminology, and
describe the contrasts between weak pairs and ephemerons in the common
section, and tighten the "Weak Pairs" and "Ephemerons" sections
themselves back to just describing their data structures.

11 years agoRewrite the description of intricacies with ephemeron-broken? per
Alexey Radul [Thu, 26 May 2011 08:48:10 +0000 (09:48 +0100)]
Rewrite the description of intricacies with ephemeron-broken? per
Taylor's recommendation to name the ephemeron explicitly and use more
active language.

11 years agoDocumenting hash-table/modify! and hash-table/intern!. Also slightly
Alexey Radul [Tue, 24 May 2011 22:39:06 +0000 (23:39 +0100)]
Documenting hash-table/modify! and hash-table/intern!.  Also slightly
reworded the introduction to hash-table/lookup, to make it more
positive.

11 years agoDocumenting the fact that MIT Scheme implements SRFI 69, the
Alexey Radul [Tue, 24 May 2011 12:13:07 +0000 (13:13 +0100)]
Documenting the fact that MIT Scheme implements SRFI 69, the
relationship between the MIT Scheme native hash table API and the one
specified by SRFI 69, and the reason why it is appropriate to provide
both (it's not pure backwards compatibility).  This includes
documenting the bugs in SRFI 69.

11 years agoGrammar.
Alexey Radul [Tue, 24 May 2011 09:39:49 +0000 (10:39 +0100)]
Grammar.

11 years agoPointing out what ephemerons are for; emphasizing the special feature
Alexey Radul [Mon, 23 May 2011 11:27:14 +0000 (12:27 +0100)]
Pointing out what ephemerons are for; emphasizing the special feature
of ephemerons, and the distinction between ephemerons and weak pairs.

11 years agoClarifying that ephemeron-broken? indicates that an ephemeron is whole by returning #f.
Alexey Radul [Mon, 23 May 2011 11:24:59 +0000 (12:24 +0100)]
Clarifying that ephemeron-broken? indicates that an ephemeron is whole by returning #f.

11 years agoCorrecting a typo.
Alexey Radul [Mon, 23 May 2011 11:23:10 +0000 (12:23 +0100)]
Correcting a typo.

11 years agoUndo commit 93d3d5c so that "out of memory" need not be The End...
Matt Birkholz [Mon, 8 Apr 2013 23:17:12 +0000 (16:17 -0700)]
Undo commit 93d3d5c so that "out of memory" need not be The End...

...even in batch-mode.  The effect of 93d3d5c can be had more
elegantly, as pointed out in 6b3f8e0: "Always wrap stdin in a (begin
...)..."

11 years agotests: Replace : with / so progress notes are not errors to Emacs.
Matt Birkholz [Mon, 8 Apr 2013 23:10:07 +0000 (16:10 -0700)]
tests: Replace : with / so progress notes are not errors to Emacs.

11 years agoAdd thread-queue/dequeue-no-hang!, rm peek-until, fix -no-hang.
Matt Birkholz [Mon, 8 Apr 2013 22:59:42 +0000 (15:59 -0700)]
Add thread-queue/dequeue-no-hang!, rm peek-until, fix -no-hang.

Fix when-non-empty-before, which did not append! to waiting-dequeuers,
and thus would only time out.

Un-export peek-until.  Its TIME argument is... weird -- not universal.
Swat can import it.

11 years agoFinish replacing type code SEQUENCE-2 with SEQUENCE.
Matt Birkholz [Mon, 8 Apr 2013 22:39:17 +0000 (15:39 -0700)]
Finish replacing type code SEQUENCE-2 with SEQUENCE.

Hack runtime.sf to inform older hosts about new type code.

11 years agoUnparse the symbol whose name is `.' as `|.|'.
Taylor R Campbell [Mon, 18 Feb 2013 15:11:04 +0000 (15:11 +0000)]
Unparse the symbol whose name is `.' as `|.|'.

Add a trivial test for it.

Found by Pavel Panchekha.

11 years agomicrocode: Quiet some unused-but-set-variable warnings.
Matt Birkholz [Sun, 3 Feb 2013 01:39:15 +0000 (18:39 -0700)]
microcode: Quiet some unused-but-set-variable warnings.

11 years agoReport a meaningful error message if the TUTORIAL file is hosed.
Taylor R Campbell [Sat, 19 Jan 2013 05:07:42 +0000 (05:07 +0000)]
Report a meaningful error message if the TUTORIAL file is hosed.

11 years agoSupport callout struct and union parameter and return types.
Matt Birkholz [Wed, 19 Dec 2012 00:11:44 +0000 (17:11 -0700)]
Support callout struct and union parameter and return types.

Requested by Peter Feigl <craven@gmx.net>.

11 years agoUpdate old "package: (ffi syntax)" comments.
Matt Birkholz [Tue, 18 Dec 2012 23:58:56 +0000 (16:58 -0700)]
Update old "package: (ffi syntax)" comments.

11 years agoDo not setsid() just because of --batch-mode.
Matt Birkholz [Tue, 18 Dec 2012 23:56:53 +0000 (16:56 -0700)]
Do not setsid() just because of --batch-mode.

Commit 6b474c5 has turned --batch-mode into something like a
--background option, ensuring that setsid() is called.  Re-worked the
logic so that tty interrupt characters are not frobbed in batch-mode
AND setsid() is not called (except according to the curious but
ancient heuristic/default: when there is no tty on stdin, stderr and
stdout and no --emacs option).

11 years agoWork around broken IMAP servers that give bogus responses to FETCH.
Taylor R Campbell [Wed, 12 Dec 2012 06:10:18 +0000 (06:10 +0000)]
Work around broken IMAP servers that give bogus responses to FETCH.

11 years agoTidy up local declarations in DEFINE_BIT_COUNT.
Taylor R Campbell [Wed, 12 Dec 2012 06:06:39 +0000 (06:06 +0000)]
Tidy up local declarations in DEFINE_BIT_COUNT.

`static' is pointless (and causes `gcc -O0' to actually allocate
static storage for them), and using uintmax_t rather than TYPE is
overkill.

11 years agoFix some ignored variable warnings in swank.scm.
Taylor R Campbell [Wed, 12 Dec 2012 05:56:45 +0000 (05:56 +0000)]
Fix some ignored variable warnings in swank.scm.

11 years agoAdd BIT, BITS, SHIFTIN, and SHIFTOUT, for handily hacking bit fields.
Taylor R Campbell [Tue, 11 Dec 2012 20:35:13 +0000 (20:35 +0000)]
Add BIT, BITS, SHIFTIN, and SHIFTOUT, for handily hacking bit fields.

11 years agoFix READ-PACKET in swank.scm to cope with partial reads.
Taylor R Campbell [Tue, 11 Dec 2012 20:16:28 +0000 (20:16 +0000)]
Fix READ-PACKET in swank.scm to cope with partial reads.

Thanks, ecraven.

11 years agoSupport new location of Xcode 4.3 and later; just warn if can't find SDKs directory.
Chris Hanson [Mon, 12 Nov 2012 05:54:19 +0000 (21:54 -0800)]
Support new location of Xcode 4.3 and later; just warn if can't find SDKs directory.

12 years agoIntegrate CALLER argument in guarantees.
Joe Marshall [Fri, 19 Oct 2012 20:34:20 +0000 (13:34 -0700)]
Integrate CALLER argument in guarantees.

12 years agoRemove last remnants of SEQUENCE-3. Rename return code for sequence-2 to sequence...
Joe Marshall [Wed, 17 Oct 2012 17:47:16 +0000 (10:47 -0700)]
Remove last remnants of SEQUENCE-3.  Rename return code for sequence-2 to sequence-continue.

12 years agoRemove last vestiges of IN-PACKAGE.
Joe Marshall [Wed, 17 Oct 2012 15:22:52 +0000 (08:22 -0700)]
Remove last vestiges of IN-PACKAGE.

12 years agoMake LOCAL-DECLARE a macro.
Joe Marshall [Sun, 7 Oct 2012 19:55:57 +0000 (12:55 -0700)]
Make LOCAL-DECLARE a macro.

12 years agoSpelling correction.
Joe Marshall [Sun, 7 Oct 2012 19:53:24 +0000 (12:53 -0700)]
Spelling correction.

12 years agoFix recent typo in User Manual (again).
Matt Birkholz [Wed, 26 Sep 2012 20:27:01 +0000 (13:27 -0700)]
Fix recent typo in User Manual (again).

12 years agoFix recent typos in User Manual.
Matt Birkholz [Wed, 26 Sep 2012 20:24:41 +0000 (13:24 -0700)]
Fix recent typos in User Manual.

12 years agoExport flo:modulo
Joe Marshall [Mon, 17 Sep 2012 20:43:54 +0000 (13:43 -0700)]
Export flo:modulo

12 years agoAdd flo:modulo
Joe Marshall [Mon, 17 Sep 2012 20:25:22 +0000 (13:25 -0700)]
Add flo:modulo

12 years agoUse internal-time/seconds->ticks in thread-queue/*-no-hang.
Matt Birkholz [Thu, 6 Sep 2012 18:25:36 +0000 (11:25 -0700)]
Use internal-time/seconds->ticks in thread-queue/*-no-hang.

Moved test procedure to tests/runtime/test-thread-queue.scm.

12 years agoFix OS_pause on Unix to correctly restore the sigmask.
Matt Birkholz [Thu, 6 Sep 2012 15:58:24 +0000 (08:58 -0700)]
Fix OS_pause on Unix to correctly restore the sigmask.

12 years agoUse sigsuspend in new OS_pause, else wait-for-io must spin.
Matt Birkholz [Wed, 5 Sep 2012 19:39:21 +0000 (12:39 -0700)]
Use sigsuspend in new OS_pause, else wait-for-io must spin.

The test-select-registry primitive now calls OS_pause instead of
OS_test_select_registry to block with an empty registry.

12 years agoffi: Replaced serror with swarn, so syntaxing can continue.
Matt Birkholz [Tue, 4 Sep 2012 23:37:07 +0000 (16:37 -0700)]
ffi: Replaced serror with swarn, so syntaxing can continue.

Transform bogus syntax into a call to error.

12 years agoUse pollts if it is available but ppoll is not.
Taylor R Campbell [Mon, 3 Sep 2012 19:34:13 +0000 (19:34 +0000)]
Use pollts if it is available but ppoll is not.

Also change all references to the poll/select variants to use the UX_
names.

All four ways -- select, select & pselect, poll, poll & pollts --
tested on a NetBSD 6.99.4 kernel running a NetBSD 5.1 userland by
tweaking config.h by hand.

12 years agoUse ppoll() and pselect() when available.
Matt Birkholz [Mon, 3 Sep 2012 06:38:12 +0000 (23:38 -0700)]
Use ppoll() and pselect() when available.

Use them only when a test-select- primitive should block.  The old
poll()/select() functions continue to be used when not blocking,
e.g. in uxsock.c's do_connect().

12 years agoedwin: Fixed arrow keys in xterms.
Matt Birkholz [Mon, 3 Sep 2012 05:57:08 +0000 (22:57 -0700)]
edwin: Fixed arrow keys in xterms.

Added ts-enter/exit-keypad-mode and used them in console-enter/exit!.

12 years agoAdded --args and -- option parsers, and a command-line procedure.
Matt Birkholz [Fri, 31 Aug 2012 00:38:18 +0000 (17:38 -0700)]
Added --args and -- option parsers, and a command-line procedure.

12 years agoProcess all queued X events, not just one, if I/O is ready.
Taylor R Campbell [Wed, 29 Aug 2012 16:37:42 +0000 (16:37 +0000)]
Process all queued X events, not just one, if I/O is ready.

X-DISPLAY-PROCESS-EVENTS may have the side effect of moving events
from the kernel's pipe buffer into Xlib's queue, in which case after
processing one event there may be more events pending in the queue
but no more I/O pending on the pipe.  Before this change we failed to
report these other events in a timely fashion.

Do this both in Edwin's xterm.scm and the runtime's x11graph.scm.

12 years agoAdd cruft to confshared.h for ARM.
Taylor R Campbell [Tue, 28 Aug 2012 04:33:49 +0000 (04:33 +0000)]
Add cruft to confshared.h for ARM.

Works on the Raspberry Pi and the BeagleBone, which seem to be,
remarkably enough, the first ARM platforms on which anyone has ever
tried to run MIT Scheme.

12 years agoAsk Xlib for events before blocking on the display in x11graph.scm.
Taylor R Campbell [Tue, 28 Aug 2012 04:26:04 +0000 (04:26 +0000)]
Ask Xlib for events before blocking on the display in x11graph.scm.

Fixes race whereby Xlib may have queued up events already before we
ask the OS about I/O on the underlying file descriptor.  This can
cause us to fail to notice an event until a second one comes along,
so that, e.g., a newly created window will hang until you move the
mouse over it or similar.