X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=0458bbf7348a2dba40229fc26fed960d92da8bd8;hb=fc0f9907f434d087a0b57d782db66b6cb3f7d98b;hp=f5c96c6bf7e83c267634d353008db0e14540ce33;hpb=9e537744011611a2a01bf9d0d0b95892498a19a7;p=sbcl.git diff --git a/NEWS b/NEWS index f5c96c6..0458bbf 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,473 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.1.0: +changes relative to sbcl-1.1.13: + * optimization: complicated TYPEP tests are less opaque to the type + propagation pass. (lp#1229340) + * optimization: [N]BUTLAST perform a single pass over the list. (lp#1245697) + * optimization: EQUALP on structures with raw slots (double-float/complex) + no longer conses and is faster. + * optimization: RESTART-CASE expands to more compact code. + Thanks to Jan Moringen. (lp#1249055) + * enhancement: Top-level defmethod without defgeneric no longer causes + undefined-function warnings in subsequent forms. (lp#503095) + * enhancement: Better error messages for system errors on Windows. + * enhancement: run-sbcl.sh is usefully handled by rlwrap. Thanks to William + Cushing. (lp#1249183) + * enhancement: new function SB-EXT:ASSERT-VERSION->= accepts a version + specification (multiple integer arguments) and signals a continuable error + if the current SBCL version is lower (older) than the specification. + (lp#674372) + * enhancement: better ARRAY-RANK result derivation. (lp#1252108) + * bug fix: EQUALP now compares correctly structures with raw slots larger + than a single word. + * bug fix: contribs couldn't be built on Windows with MinGW. + * bug fix: Better pathname handling on Windows. (lp#922117) + * bug fix: OPEN reports a more meaningful error when an existing file is + opened for output with :if-exists :new-version. Thanks to Philip + Munksgaard. (lp#455381) + * bug fix: DEFSTRUCTs with NIL as a slot name no longer cause strange + CLOS-related errors. (lp#633911) + +changes in sbcl-1.1.13 relative to sbcl-1.1.12: + * optimization: better distribution of SXHASH over small conses of related + values. (lp#309443) + * other improvements to SXHASH: + ** use the whole of the positive-fixnum range for SXHASH of fixnums + * enhancement: The error message when calling an undefined alien function + includes the name of the function on x86-64. + * enhancement: sb-ext:run-program now supports :environment on Windows. + * enhancement: ASDF is no longer required to load contribs at runtime. + (lp#1132254) + * enhancement: when called with a symbol, FIND-RESTART no longer calls + COMPUTE-RESTARTS, making it faster and cons less (lp#769615) + * enhancement: FIND-RESTART and COMPUTE-RESTARTS handle huge restart + clusters better in some cases + * enhancement: SOME/ANY/other quantification higher-order functions no + longer cons. (lp#1070635) + * bug fix: forward references to classes in fasls can now be loaded. + (lp#746132) + * bug fix: don't warn on a interpreted->compiled function redefinition + from the same location. (patch by Douglas Katzman, lp#1042405) + * bug fix: Create vectors of proper internal length when reading literal + vectors from FASLs. (Reported by Jan Moringen) + * bug fix: COMPILE can now successfully compile setf functions. + (Reported by Douglas Katzman) + * bug fix: run-program performs more correct escaping of arguments on + Windows. (lp#1239242) + * bug fix: function-lambda-expression on generic functions returns the + actual name. + * bug fix: (the [type] [constant]) now warns when [constant] matches + [type] except for the number of values. (Reported by Nathan Trapuzzano + on sbcl-help) + * bug fix: signal errors in required cases of slot-definition initialization + protocol. (lp#309072) + * bug fix: run-sbcl.sh works better in the presence of symlinks on OS X. + (thanks to Stelian Ionescu, lp#1242643) + * bug fix: when given a restart object, FIND-RESTART checks whether the + restart is active and, when a condition is supplied, whether the restart + is associated to a different condition (lp#774410) + +changes in sbcl-1.1.12 relative to sbcl-1.1.11: + * enhancement: Add sb-bsd-sockets:socket-shutdown, for calling + shutdown(3). (thanks to Jan Moringen, lp#1207483) + * enhancement: document extensible sequences. (thanks to Jan Moringen, + lp#994528) + * optimization: EQUAL and EQUALP transforms are smarter. + (thanks to Elias Martenson, lp#1220084) + * optimization: CHAR-EQUAL is faster for constant and base-char arguments. + * bug fix: probe-file now can access symlinks to pipes and sockets in + /proc/pid/fd on Linux. (reported by Eric Schulte) + * bug fix: SBCL can now be built on Solaris x86-64. + * bug fix: Floating point exceptions do not persist on Solaris anymore. + * bug fix: (setf . a) is pprinted correctly (reported by Douglas Katzman). + * bug fix: handle compiler-error in LOAD when it's not run from inside EVAL. + (lp#1219601) + * bug fix: SB-GMP:MPZ-POW no longer segfaults given a non-bignum base. + (thanks to Stephan Frank) + * bug fix: space allocation of result bignums in SB-GMP is more accurate. + (thanks to Stephan Frank, lp#1206191) + * bug fix: sb-safepoint can now reliably handle signal interruptions of + foreign code. (lp#1133018) + * bug fix: the compiler-macro for MAKE-INSTANCE when emitting "fallback" + constructors no longer fails to merge actual and default initargs + (thanks to Jan Moringen, lp#1179858) + * bug fix: the compiler-macro for MAKE-INSTANCE when emitting "fallback" + constructors handles non-KEYWORD initialization arguments more correctly. + * bug fix: loading the SB-SIMPLE-STREAMS contributed module no longer + clobbers FILE-NAMESTRING. (thanks to Anton Kovalenko, lp#884603) + * bug fix: class definitions with CPLs inconsistent with their metaclasses + are less likely to destroy the object system's integrity. (lp#309076) + * bug fix: restart clause parsing in RESTART-CASE is more in line with the + standard. (lp#1203585, thanks to Jan Moringen) + * bug fix: silence a note from RESTART-CASE under high-SPEED optimization + settings. (lp#1023721) + * bug fix: getting the order of arguments to + SB-MOP:SET-FUNCALLABLE-INSTANCE-FUNCTION wrong produces a sensible error + rather than a failed AVER. (reported by Paul Nathan) + * bug fix: Parsing of &optional/&key/&rest arguments now never overwrites + arguments during copying on x86 and x86-64; it may still happen on other + platforms when there are more fixed arguments than stack slots. + (reported by Jan Moringen) + +changes in sbcl-1.1.11 relative to sbcl-1.1.10: + * enhancement: support building the manual under texinfo version 5. + (lp#1189146) + * enhancement: Windows builds no longer display the "Kitten of Death" message. + A warning is instead appended to the regular banner, and may be muted with + --noinform. (lp#728247) + * enhancement: support building under new linker handling of syscalls under + NetBSD. (thanks to Robert Swindells) + * bug fix: undefined function errors are now properly reported on PPC and MIPS. + (regression since 1.1.9) + * bug fix: (funcall (function X junk)) didn't causes an error when X had a + compiler macro. (thanks to Douglas Katzman). + * bug fix: signal a warning when defining a setf-function when a + setf-expander is already present. (thanks to Douglas Katzman). + * bug fix: improved threading on PPC. + * bug fix: ROOM works again on Windows. (lp#1206456) + * bug fix: Streams were flushed even when there was one byte still left in + the buffer. (lp#910213) + * bug fix: OPEN handles correctly when :if-exists and :if-does-not-exist are + either NIL or :ERROR. (reported by Jan Moringen) + +changes in sbcl-1.1.10 relative to sbcl-1.1.9: + * enhancement: ASDF has been updated to 3.0.2. + * optimization: stack frames are packed more efficiently on x86oids, which + ought to reduce the frequency of Methuselahn conservative references (it + certainly helps with gc.impure.lisp / BUG-936304 on x86). + * optimization: on x86 and x86-64, integer negation forms like (- x) are now + recognized in modular arithmetic contexts, and compile to native negate, + rather than going through bignums only to keep the low bits. + * bug fix: Compiling potential modularic arithmetic forms does not cause type + errors when some integer types lack lower or upper bounds. (lp#1199127) + * bug fix: Non-trivial modular arithmetic forms are always cut to the right + bitwidth before being used in a non-modular context. (lp#1199428) + * bug fix: Multiple catch/unwind blocks in a single function are now + allocated in the right stack order on win32. (lp#1072739) + +changes in sbcl-1.1.9 relative to sbcl-1.1.8: + * new feature: the contrib SB-GMP links with libgmp at runtime to speed + up arithmetic on bignums and ratios. (contributed by Stephan Frank) + * enhancement: disassemble now annotates some previously missing static + functions, like LENGTH. + * enhancement: clean.sh now also cleans doc/internals. + * enhancement: SB-EXT:PRINT-SYMBOL-WITH-PREFIX can be used within ~// to + print a symbol with a package prefix. + * enhancement: The debugger and backtracing are more robust against buggy + PRINT-OBJECT methods. + * optimization: calls to static functions on x86-64 use less instructions. + * optimization: compute encode-universal-time at compile time when possible. + * optimization: when referencing internal functions as #'x, don't go through + an indirect fdefn structure. + * optimization: SLEEP doesn't cons on non-immediate floats and on ratios. + * optimization: (mod fixnum) type-checks are performed using one unsigned + comparison, instead of two. + * optimization: enable more modular arithmetic transforms in the presence of + conditionals. + * optimization: bitwise OR forms can now trigger modular arithmetic as well, + when the result is known to be negative. + * optimization: recognize more cases of useless LOGAND/LOGIOR with constants. + * optimization: comparisons between rationals and constant floats or between + integers and constant ratios are now converted to rationals/integers at + compile time. + * optimization: Smaller and faster DOUBLE-FLOAT-LOW-BITS on x86-64. + * bug fix: problems with NCONC type derivation (reported by Jerry James). + * bug fix: EXPT type derivation no longer constructs bogus floating-point + types. (reported by Vsevolod Dyomkin) + * bug fix: sb-bsd-sockets has correct declaration of the canonname field of + addrinfo. (lp#1187041, patch by Jerry James) + * bug fix: uninitialized type-error conditions can now be printed. + (lp#1184586) + * bug fix: tests for sb-bsd-sockets no longer use a predefined port for + listening, allowing several tests to run in parallel. + * bug fix: during disassembly to *COMPILER-TRACE-OUTPUT* instruction + prefixes as used on x86 and x86-64 no longer sometimes print incorrectly. + (lp#1085729) + * bug fix: Specialised SIMD-PACK types can be negated. + * bug fix: Modular arithmetic is more robust. (incidentally fixes another bug + reported by Eric Marsden) + * bug fix: FP return values from foreign calls are always rounded to single + or double float precision on x87. + * bug fix: Known-safe vector access on x86oids should not fail spuriously + when the index is of the form (+ x constant-positive-integer). + * bug fix: Remove GPL-licensed files from source distribution. (lp#1185668) + * bug fix: backtrace printer no longer tries to create very large lists when + the arg-count register is clobberred by other code. (lp#1192929) + * bug fix: x86 should never signal an FP exception while boxing an FP value, + a situation that lands us into ldb. + +changes in sbcl-1.1.8 relative to sbcl-1.1.7: + * notice: The implementation of MAP-ALLOCATED-OBJECTS (the heart of + ROOM, plus a few SB-INTROSPECT functions) has been completely + rewritten; it may now exhibit different bugs than before. + * new feature: minimal runtime/compiler intrastructure support for SSE + SIMD values, as SB-EXT:SIMD-PACK. Enabled on x86-64 via the build-time + feature :sb-simd-pack. This should enable intrinsics extensions as + libraries, without patching SBCL itself. Thanks to Alexander Gavrilov + for maintaining a branch for so long. + * enhancement: RUN-PROGRAM supports a :DIRECTORY argument to set + the working directory of the spawned process. + (lp#791800) (patch by Matthias Benkard) + * enhancement: boxed vectors (vectors of T or of FIXNUM) can now be + stack-allocated on PPC. + * enhancement: "fixed objects" can now be stack-allocated on PPC. + * enhancement: WITH-PINNED-OBJECTS no longer conses on PPC/GENCGC. + * enhancement: (sb-introspect:find-definition-sources-by-name x :vop) now + also returns VOPs which do not translate any functions, and finds + defoptimizer types ir2convert and stack-allocate-result. + * enhancement: better type derivation for APPEND, NCONC, LIST. + (lp#538957) + * enhancement: MAP-ALLOCATED-OBJECTS (the heart of ROOM) now walks the + heap in a manner similar to the GC rather than its previous ad-hoc + scheme, and is therefore no less and possibly more accurate. + * fixes and enhancements related to Unicode: + ** the character database information has been updated to Unicode 6.2; + ** support for canonical and compatibility decomposition of characters has + been added, along with support for primary composition; + ** support for Unicode normalization forms of strings (NFC, NFKC, NFD and + NFKD) has been included; + ** querying the character database for code points not defined by Unicode + gives less wrong answers (lp#1178038, reported by Ken Harris) + * enhancement: print intermediate evaluation results for some ASSERTed + expressions. (lp#789497) (patch by Alexandra Barchunova) + * enhancement: x86-64 disassemblies are annotated with unboxed constant + values when there are references to (RIP-relative) unboxed constants. + * bug fix: type derivation for LOG{AND,IOR,XOR} scales linearly instead + of quadratically with the size of the input in the worst case. + (lp#1096444) + * bug fix: handle errors when initializing *default-pathname-defaults*, + sb-ext:*runtime-pathname*, sb-ext:*posix-argv* on startup, like character + decoding errors, or directories being deleted. + * bug fix: Loading a core with a discontiguous dynamic space now correctly + computes the amount of dynamic space used. + * bug fix: disassembler missing ",8" on SHLD + * bug fix: backtracing through INTERNAL-ERROR signal handlers on systems + that provide an "invalid" stack frame link for the signal handler + itself now use the saved-fp-and-pc mechanism to pick up from the stack + frame in the interrupt (signal) context. This is known to affect + threaded FreeBSD/x86-64. + * bug fix: some LOOP statements couldn't be compiled. + (lp#1178989) + * bug fix: sb-sequence:dosequence works on literal vectors. + * bug fix: errors in generic arithmetic show the assembly routine's + caller on x86 and x86-64. (lp#800343) + * bug fix: Compile-time type errors should never result in COMPILE-FILE + failure. (lp#943953) + * bug fix: Known bad local calls do not cause strange failures when + emitting or dumping code. (lp#504121) + * bug fix: Multiply-inlined structure constructor don't cause IR2-time + codegen errors: type checks are inserted as necessary. (lp#1177703) + * bug fix: Unsigned modular arithmetic is correctly converted into signed + modular arithemtic (mostly to exploit fixnum-width VOPs). (lp#1026634) + * bug fix: a combination of inlined local function with &optional and + recursion no longer causes undescriptive compiler errors. (lp#1180992) + * bug fix: sub-word BOOLEAN alien types now disregard higher order bits + when testing for non-zero-ness. + * bug fix: (CONCATENATE 'null ...) no longer fails for generic sequences. + (lp#1162301) + * bug fix: Type mismatch for the value of conditional expressions are + correctly reported when detected at compile-time, instead of complaining + about a constant NIL (similar for non-EQ-comparable catch tags). + * bug fix: Referring to INLINE global functions as values should not result + in a compilation failure. (lp#1035721) + * optimization: faster ISQRT on fixnums and small bignums + * optimization: faster and smaller INTEGER-LENGTH on fixnums on x86-64. + * optimization: On x86-64, the number of multi-byte NOP instructions used + for code alignment is now always minimal. + * optimization: On 64-bit targets, the compiler generates much faster + code for type checks for types known at compile time that are smaller + than (SIGNED-BYTE 64) or (UNSIGNED-BYTE 64) and larger than FIXNUM, and + their COMPLEX variants. + * optimization: On x86 targets, more uses of ALIEN-FUNCALL during cross + compilation now inline the INVOKE-WITH-SAVED-FP-AND-PC dance. + * optimization: ROOM no longer conses so egregiously on non-x86oid + systems. + * optimization: associative bitwise operations reassociate patterns like + (f (f x k1) k2) to expose (f x (f k1 k2)). Same for + and * of + rational values. + * optimization: quasiquote expressions now perform more constant folding, + instead of consing equal lists at runtime. (lp#1026439) + * optimization: local call analysis of inlined higher-order function + should converge more quickly, resulting in better code for complex + functions. + * optimization: On x86-64, medium (word-sized but wider than 32 bits) + integer constants are handled more cleverly, especially when they + can be represented as sign-extended (signed-byte 32). (Based on a + patch by Douglas Katzman) + * optimization: IF/IF conversion should reliably result in sane code + when (some of) the results of the inner IF are always false or + always true. + * optimization: On x86oids, variable right shifts of machine words are + compiled into straight SAR/SHR, instead of going through the generic + VOP. (lp#1066204) + +changes in sbcl-1.1.7 relative to sbcl-1.1.6: + * enhancement: TRACE :PRINT-ALL handles multiple-valued forms. + (lp#457053) + * bug fix: :allocation slot option works for condition slots + (lp#1049404) + * bug fix: redefining conditions does not lead to multiple evaluations of + hairy slot initfunctions anymore (lp#1164969) + * bug fix: CLASS-DIRECT-DEFAULT-INITARGS now works for condition classes + (lp#1164970) + * bug fix: function constants now work as initforms and default initarg + values of conditions (lp#539517) + * bug fix: svref/(setf svref) on symbol macros don't crash the compiler + anymore. (Minimal test case provided by James M. Lawrence on sbcl-devel) + * bug fix: no more bogus ## references when pretty printing backquoted + forms with non-trivial structure sharing. (lp#1161218) + * bug fix: Don't signal an error on (setf (documentation nil 'function) + "doc"). Signal a style-warning instead when trying to set documentation + of NIL for all other documentation types. (Reported by Zach + Beane; regression since 2e52fa05.) + * bug fix: modular arithmetic involving large constants and conditionals + should no longer result in spurious dead code elimination. (Reported by + Eric Marsden). + * bug fix: our mach exception handler can seemingly called very early in + the program execution process on OS X 10.8.0. Try and handle that case + robustly, without potentially leaking mach ports too much. + * optimization: LOGBITP and LOGTEST optimizations from x86 ported to x86_64. + +changes in sbcl-1.1.6 relative to sbcl-1.1.5: + * enhancement: the continuable error when defknown-ing over extant + fndb entries can be ignored by passing :overwrite-fndb-silently t + as a keyword argument to sb-c:defknown (after attributes). Useful + to allow defknown to be re-loaded. Use with :allow-other-keys t + for backward compatibility. + * optimization: compiler is much faster in compiling SVREF and (SETF SVREF) + forms. + * bug fix: Prevent a make-array transform from modifying source forms + causing problems for inlined code. Thanks to Bart Botta. + (regression since 1.0.42.11-bis) + * bug fix: clear-output calls the correct gray stream routine, + sb-gray:stream-clear-output. (lp#1153257) + * bug fix: an error is signalled for an invalid format modifier: ~<~@>. + (lp#1153148) + * bug fix: Better error messages for package operations (lp#1154776) + * bug fix: delete-package on a nonexistent package should signal a cerror. + (regression since 1.0.37.44). + * bug fix: accessing &MORE (stack allocated &REST) arguments checks bounds. + (lp#1154946, lp#1072112) + * bug fix: compiling make-array no longer signals an error when the + element-type is an uknown type, a warning is issued instead. + Thanks to James Kalenius (lp#1156095) + * bug fix: SEARCH on generic (non-VECTOR non-LIST) sequence types no longer + produces wrong results for some inputs. (Thanks to Jan Moringen.) + (lp#1153312) + +changes in sbcl-1.1.5 relative to sbcl-1.1.4: + * minor incompatible change: SB-SPROF:WITH-PROFILING no longer loops + by default. + * new feature: package local nicknames. See manual for details. + * new feature: SB-EXT:MAP-DIRECTORY provides a powerful interface for + directory traversal: it is the backend used by SBCL for CL:DIRECTORY. + * enhancement: easier to use restarts for resolving name-conflicts + resulting from IMPORT, EXPORT, or USE-PACKAGE. + * enhancement: variant DEFPACKAGE forms now signal a full error with + restarts provided for resolving the situation. (lp#891351) + * enhancement: by setting SB-EXT:*ON-PACKAGE-VARIANCE* appropriately variant + DEFPACKAGE forms can now signal a full error with restarts provided for + resolving the situation. See manual for details. (lp#891351) + * enhancement: make-random-state now uses CryptGenRandom as a seed on Windows. + (Thanks to Anton Kovalenko.) (lp#1102748) + * enhancement: backtrace improvements + ** secondary CLOS dispatch functions have better debug names (lp#503081) + ** easier to read method names in backtraces. See + SB-DEBUG:*METHOD-FRAME-STYLE*. + ** SB-DEBUG:PRINT-BACKTRACE and SB-DEBUG:LIST-BACKTRACE are available as + forwards-compatible replacements for SB-DEBUG:BACKTRACE and + SB-DEBUG:BACKTRACE-AS-LIST. + ** SB-DEBUG:*SHOW-ENTRY-POINT-DETAILS** has been deprecated, as the same + information is available in less intrusive form as frame annotations. + * enhancement: SB-POSIX now provides MAP-ANON. + * enhancement: test-suite results are colorized, failures in red, unexpected + success in green. Works on Windows and on terminals with ANSI escape code + support. Can be disabled with --no-color. + * optimization: SB-CONCURRENCY:QUEUE implementation is more efficient. + (thanks to James M. Lawrence) + * bug fix: no more unused variable style warnings from RESTART-CASE + macroexpansion (lp#1113859) + * bug fix: no more unused variable style warnings when loading + sb-bsd-sockets.asd (lp#1114681) + * bug fix: deleting a package removes it from implementation-package + lists of other packages. + * bug fix: SB-SPROF:WITH-PROFILING is now usable in the Slime REPL on Darwin. + This does not fix the occasional "interrupt already pending" issue, though. + * bug fix: (setf (documentation 'x 'function)) and + (setf (documentation #'x t)) set documentation in different places. + (regression since 1.0.43.63) + * bug fix: build on newer glibc. (lp#1095036) + +changes in sbcl-1.1.4 relative to sbcl-1.1.3: + * optimization: LOOP expressions using "of-type character" have slightly + more efficient expansions. + * bug fix: very long (or infinite) constant lists in DOLIST do not result + in very long compile times or heap exhaustion anymore. (lp#1095488) + * bug fix: `#3(1) is read as #(1 1 1), not as #(1). (lp#1095918) + * bug fix: adjust-array ignored :initial-element for simple-vectors. + (lp#1096359) + * bug fix: optimizations to MAKE-INSTANCE with literal list initargs no + longer cause infinite loops (on circular data) or violate eqlity + constraints. (lp#1099708) + * bug fix: FIRST was not being open coded. (regression from 1.1.0) + +changes in sbcl-1.1.3 relative to sbcl-1.1.2: + * enhancement: warnings about bad locale settings, LANG, LC_CTYPE, etc. + (lp#727625) + * enhancement: support for C-c to interrupt the foreground thread + on Windows. (Thanks to Anton Kovalenko.) + * enhancement: STDCALL alien callbacks. (Thanks to Anton Kovalenko.) + * enhancement: Safepoint builds on POSIX platforms can now optionally be + built without pseudo-atomic sequences and their run-time overhead. + * enhancement: Threads created outside of Lisp can enter Lisp through + alien callbacks and appear as Lisp threads for the duration of that + function invocation. On safepoint builds only. + * enhancement: Miscellaneous improvements to namestrings and underlying + calls to OS functions for file system access on Windows. (Thanks to + Anton Kovalenko.) + * enhancement: The MSI installer support for Windows now uses Windows + Installer XML at least version 3.5 and includes various usability + improvements. (Thanks to Dmitry Kalyanov and Anton Kovalenko.) + * enhancement: The sb-bsd-sockets contrib now supports non-blocking-mode + on Windows. (Thanks to Anton Kovalenko.) + * enhancement: The Windows backend now supports the x86-64 platform. + (Thanks to Anton Kovalenko.) + * bug fix: fasls are now once again directly executable (on platforms + supporting shebang lines, with a suitably-installed sbcl). + * bug fix: make.sh --help no longer runs clean.sh. (lp#937001) + * bug fix: Fix CAS access to slots of direct instances of structure classes + in the presence of subclasses sharing the same conc-name. + * bug fix: Logical pathname namestrings on Windows have been changed to + be lower-case, to minimize differences between POSIX and Windows. + +changes in sbcl-1.1.2 relative to sbcl-1.1.1: + * notice: System requirements for SBCL on Microsoft Windows: Windows NT 5.1 + or newer (Windows XP, Server 2003) is required. Support for Windows 2000 + (NT 5.0) is no longer being maintained. + * notice: Starting with this version, SBCL on Windows no longer supports + building with disabled thread support. + * enhancement: frlocks have been added to SB-CONCURRENCY contrib module. + * enhancement: New feature sb-dynamic-core allows the runtime to be + rebuilt or relocated without requiring changes to the core file on + all linkage table platforms. Required on Windows. (Thanks to Anton + Kovalenko.) + * enhancement: Console I/O streams use UCS-2. (Thanks to Anton Kovalenko.) + * enhancement: I/O on Windows unnamed pipes is interruptible + asynchronously using interrupt-thread, timers when running on Windows NT + version 6.1 or newer (Windows 7, Server 2008 R2). (Thanks to Anton + Kovalenko.) + * enhancement: Support for the experimental safepoint-based stop-the-world + protocol on the PowerPC platform. + * bug fix: Non-blocking reads from the Windows console were not necessarily + non-blocking. Thanks to Anton Kovalenko. (lp#308923) + * bug fix: stability of threads on Windows has been improved upon through + an updated stop-the-world protocol (thanks to Anton Kovalenko). + +changes in sbcl-1.1.1 relative to sbcl-1.1.0: * enhancement: WITH-COMPILATION-UNIT no longer grabs the world-lock. (COMPILE and COMPILE-FILE still do.) * optimization: the SPARC backend now supports the precise generational - (GENCGC) garbage collection. Enabled by default on Solaris/SPARC. - Thanks to Raymond Toy (via CMUCL). + (GENCGC) garbage collection. Enabled by default on Solaris/SPARC and + Linux/SPARC. Thanks to Raymond Toy (via CMUCL). * enhancement: add experimental support for the SB-THREAD feature and the timer facility on Windows. Thanks to Dmitry Kalyanov and Anton Kovalenko. Threads are enabled by default, and this version of SBCL is considered