X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=8c44ad81606d9fed3cdfc5796b694c107c61349f;hb=0f234877047c56ca945fe54e9e77a9cc2c8141cb;hp=c72ccc91bf6d431b5d8e8fcd6be4832fe467e439;hpb=c97e05b47236081529c73981b7624e0e0bb98fad;p=sbcl.git diff --git a/NEWS b/NEWS index c72ccc9..8c44ad8 100644 --- a/NEWS +++ b/NEWS @@ -1,8 +1,261 @@ ;;;; -*- coding: utf-8; -*- +changes in sbcl-1.0.4 relative to sbcl-1.0.3: + * new platform: experimental support for x86-64/darwin (MacOS). + * incompatible change: the thread-safe (on most platforms) getaddrinfo + and getnameinfo sockets functions are used instead of gethostbyaddr + and gethostbyname, on platforms where the newer functions are available. + As a result, the ALIASES field of HOST-ENT will always be NIL on these + platforms. + * optimization: code using alien values with undeclared types is much faster + * bug fix: >= and <= gave wrong results when used with NaNs. + * bug fix: the #= and ## reader macros now interact reasonably with + funcallable instances. + * bug fix: type-checks for function arguments were compiled using the + compiler policy settings of the wrong lexical environment (in 1.0.2 + and 1.0.3). + * bug fix: SHADOW accepts characters as string designators, as required + by the spec (thanks to Eric Marsden) + * bug fix: fixed GC safety issues when foreign functions are called with + non-base strings as arguments + +changes in sbcl-1.0.3 relative to sbcl-1.0.2: + * new platform: NetBSD/PPC. (thanks to Aymeric Vincent) + * optimization: calls of the form (AREF FOO (+ INDEX )) now + produce more efficient code on the x86 if the compiler can determine + that (+ INDEX ) does not require a bounds check and FOO + has an element type at least 8 bits wide. + * bug fix: references to undefined variables are handled the same way + in toplevel forms as in the normal compiler + * bug fix: the build scripts again work with non-bash /bin/sh (thanks + to Magnus Henoch) + * bug fix: use "gtar" as the asdf-install *TAR-PROGRAM* on NetBSD + (thanks to Jon Buller) + * improvement: faster compilation times for complex functions + * improvement: added readlink support to SB-POSIX (thanks to Richard + M Kreuter) + +changes in sbcl-1.0.2 relative to sbcl-1.0.1: + * improvement: experimental support for mach exception handling on + x86/macos. requires building with :MACH-EXCEPTION-HANDLER feature + to use. + * improvement: support for GBK external format. + (thanks to Chun Tian (binghe)) + * improvement: the debugger now displays variables that have been closed + over, in code compiled with (DEBUG 2) or higher + * improvement: support for executable cores on NetBSD (thanks to + Richard Kreuter) + * new feature: added a RESTART-FRAME debugger command + * new feature: new generic function SB-GRAY:STREAM-FILE-POSITION can + be used to provide an implementation for FILE-POSITION on Gray streams + (thanks to Eric Marsden) + * new feature: add syslog, openlog and closelog support to SB-POSIX + (thanks to Richard Kreuter) + * optimization: the function call overhead in code compiled with + a high DEBUG optimization setting is significantly + * bug fix: an error is signaled for attempts to use READ-SEQUENCE + for a (SIGNED-BYTE 8) stream and (UNSIGNED-BYTE 8) vector, or vice versa. + (thanks to Tony Martinez) + * bug fix: the initforms for DEFMETHOD &AUX parameters are only + evaluated once (reported by Kevin Reid) + * bug fix: the :SHOW-PROGRESS keyword parameter to SB-SPROF:WITH-PROFILING + works again (thanks to Kilian Sprotte) + * bug fix: an error is signaled for tagbodies with duplicate tags + (thanks to Stephen Wilson) + * bug fix: NIL can be used as a tagbody tag (thanks to Stephen Wilson) + * bug fix: Win32 port can now handle foreign code unwinding Lisp + stack frames from alien callbacks. + * bug fix: ATANH returned incorrect results on win32 (thanks to Pierre Mai) + * bug fix: SBCL works on Linux/ppc systems with a kernel configured to use + 65k pages (thanks to David Woodhouse) + * bug fix: fix SB-POSIX dirent and socket on NetBSD (thanks to Richard Kreuter) + +changes in sbcl-1.0.1 relative to sbcl-1.0: + * new platform: FreeBSD/x86-64, including support for threading. + * new feature: the compiler stores cross-referencing information + abount function calls (who-calls), macroexpansion (who-macroexpands) + and special variables (who-binds, who-sets, who-references) for code + compiled with (< SPACE 3). This information is available through the + sb-introspect contrib. + * new feature: users may subclass SEQUENCE, and have instances of + these classes interoperate with standard Common Lisp functions if + a number of methods are defined. (This feature is experimental + and the interface subject to change based on feedback from SBCL + users and the general community) + * improvement: sb-sprof traces call stacks to an arbitrary depth on + x86/x86-64, rather than the previous fixed depth of 8 + * improvement: another pthread back-end of mutex "pthread-futex". + * bug fix: non-ascii command-line arguments are processed correctly + (thanks to Yaroslav Kavenchuk) + * bug fix: non-required arguments were not passed correctly when a method + defined using DEFMETHOD was called from a mop-generated method using + CALL-NEXT-METHOD (reported by Pascal Costanza) + * bug fix: recursion is now permitted in accessors through + SLOT-UNBOUND. (reported by Pascal Costanza) + * bug fix: an error was signaled at startup if the HOME environment + variable was defined, but had an empty value (reported by Peter Van Eynde) + * bug fix: non ordinary lambda-list keyword in ordinary lambda lists + signal a PROGRAM-ERROR, not a BUG. + * bug fix: SB-POSIX:READDIR works when built with large file support. + * bug fix: ENOUGH-NAMESTRING works relative to #p"/" as well. (thanks + to Marco Monteiro) + * enhancement: DESTRUCTURING-BIND lambda-list uses &BODY instead of &REST + for better automatic indentation support. (thanks to Matt Pillsbury) + * optimization: loading generic functions no longer takes O(n^2) time, + proportional to the amount of methods in the generic function + (reported by Todd Sabin and Jeremy Brown) + * optimization: the FIND and POSITION family of sequence functions + are significantly faster on arrays whose element types have been + declared. + * improvements to the Windows port: + ** Intermittent heap corruption problems have been fixed. (thanks + to Alastair Bridgewater) + ** TRACE :ENCAPSULATE NIL (and function end breakpoints) + work on Windows. + ** Lisp is able to unwind foreign exception frames from alien + callbacks. (thanks to Alastair Bridgewater) + +changes in sbcl-1.0 relative to sbcl-0.9.18: + * improvement: experimental support for threading on FreeBSD/x86. + (thanks to NIIMI Satoshi) + * improvement: runtime option --dynamic-space-size can be used + to set the size of the dynamic space reserved on startup. + * improvement: floating point modes in effect are now saved in + core, and restored on startup. + * improvement: GET-INTERNAL-REAL-TIME now reports the time since + startup, not time since first call to GET-INTERNAL-REAL-TIME. + * improvement: SAVE-LISP-AND-DIE explicitly checks that multiple + threads are not running after *SAVE-HOOKS* have run. + * improvement: writes to CLOS instance slots are type-checked in code + compiled with (SAFETY 3) + * improvement: floating-point exception handling on FreeBSD (thanks to + NIIMI Satoshi) + * improvement: SB-POSIX supports time(2), utime(2) and utimes(2) + (thanks to Zach Beane) + * improvement: support for files larger than 2GB for CL streams and SB-POSIX + on Linux/x86 + * improvement: added support for the Shift-JIS external format. + (contributed by NIIMI Satoshi) + * improvement: callbacks are supported on Linux/PPC. (thanks to + Joshua Ross) + * bug fix: compiler bug triggered by a (non-standard) VALUES + declaration in a LET* was fixed. (reported by Kaersten Poeck) + * bug fix: file compiler no longer confuses validated and already + dumped structurres. (reported by Kaersten Poeck) + * bug fix: ADJUST-ARRAY :FILL-POINTER T on an array without a + fill-pointer signals a type-error as required. (thanks to + Lars Brinkhoff) + * bug fix: disassemly of funcallable instances works. + * bug fix: single stepping on PPC. + * bug fix: fix thread-safety problems in the type system (generally + manifesting as nonsensical errors like "STRING is a bad type specifier + for sequences" or "The value 1 is not of type FIXNUM") + * bug fix: version components are handled correctly in TRANSLATE-PATHNAME + (reported by Josip Gracin) + * bug fix: an error is signaled for attempts to displace arrays with + incompatible element types (thanks to Mario Mommer) + * bug fix: more correct handling of wide characters in debug info + (bug reported by Attila Lendvai and fixed by Juho Snellman) + * optimization: method calls with &OPTIONAL or &KEY arguments are faster + and don't cause extra consing + * optimization: MAP and MAP-INTO are significantly faster on vectors + whose elements types have been declared. + * Improvements to SB-SPROF: + ** Support for allocation profiling + ** Reduced profiling overhead, especially for long profiling runs + * Improvements to the Windows port: + ** floating point exceptions are now reported correctly. + ** stack exhaustion detection works partially. + ** more accurate GET-INTERNAL-REAL-TIME. + ** better RUN-PROGRAM behaviour in case of errors in the child + process. + ** PROBE-FILE now simplifies pathnames correctly. + ** DIRECTORY now works correctly with :WILD-INFERIORS. + ** DECODE-UNIVERSAL-TIME works on times before 00:00:00 January + 1st 1970 (although time timezone data will be unreliable). + ** Hyperbolic functions TANH, ASINH, ACOSH, and ATANH work. + +changes in sbcl-0.9.18 (1.0.beta?) relative to sbcl-0.9.17: + * enhancement: SB-POSIX now supports cfsetispeed(3), cfsetospeed(3), + cfgetispeed(3), cfgetospeed(3), and related constants. (thanks to + Max-Gerd Retzlaff) + * bug fix: two potential GC deadlocks affecting threaded builds. + * bug fix: (TYPEP #\A '(NOT (MEMBER #\" #\{ #\:))) now correctly + returns T (reported by Anton Kazennikov) + * bug fix: the STORE-VALUE restart of CHECK-TYPE works correctly + with non-variable places + * bug fix: remove a race condition in the setting of + funcallable-instance functions, this should make threaded CLOS + code more stable against memory faults. + * bug fix: corruption of specials when unbinding is interrupted by an + asynchronous unwind (reported by Hannu Koivisto) + * improvement: the debugger will now also display local variables that + are only used once, for code compiled with a DEBUG optimization quality + of 2 or higher. + +changes in sbcl-0.9.17 (0.9.99?) relative to sbcl-0.9.16: + * feature: weak hash tables, see MAKE-HASH-TABLE documentation + * incompatible change: External-format support for FFI calls. The + SB-ALIEN:C-STRING no longer implies an ASCII + external-format. Instead the string is subject to external-format + conversion. Additionally return values of type SB-ALIEN:C-STRING + are by default of type (SIMPLE-ARRAY CHARACTER), not + SIMPLE-BASE-STRING. For an alien type that behaves like the old + SB-ALIEN:C-STRING type, use (SB-ALIEN:C-STRING :EXTERNAL-FORMAT + :ASCII :ELEMENT-TYPE BASE-CHAR). (thanks to Yaroslav Kavenchuk) + * incompatible change: SB-EXT package no longer contains the + following unused symbols: *GC-NOTIFY-AFTER*, *GC-NOTIFY-BEFORE*, + *GC-NOTIFY-STREAM*, *ERROR-PRINT-LENGTH*, *ERROR-PRINT-LEVEL*, + *ERROR-PRINT-LINES* + * incompatible change: the single-stepper is no longer available + on Alpha, Mips and Sparc platforms. + * minor incompatible change: the direct superclasses of + SB-MOP:FUNCALLABLE-STANDARD-OBJECT are (FUNCTION STANDARD-OBJECT), + not (STANDARD-OBJECT FUNCTION). This makes the + class-precedence-lists of GENERIC-FUNCTION and + STANDARD-GENERIC-FUNCTION comply with the requirement of ANSI + 1.4.4.5. + * minor incompatible change: the default stream external format on + non-unicode SBCL is no longer detected from the locale, but is always + ISO-8859-1 + * new feature: Add a version of evaluator that uses an interpreter instead + of the compiler. EVAL still uses the compiler by default, to switch it + to use the interpreter, set the value of the variable + SB-EXT:*EVALUATOR-MODE* to :INTERPRET. + * minor incompatible change: the single-stepper REPL has been merged + with the normal debugger (see the "Stepping" heading of the debugger help + for more details). The debugger command STEP will no longer switch + to the single-stepper REPL. + * bug fix: ENOUGH-NAMESTRING on pathnames with no name and a pattern + for a type now works. + * bug fix: loading of default sysinit file works. (thanks to Leonid + Slobodov) + * bug fix: better detection of circularities in the file-compiler. + (reported by Marco Monteiro) + * bug fix: the CL pathname functions now work with files that have + non-ASCII characters in their names (thanks to Yaroslav Kavenchuk) + * bug fix: The :PTY argument for RUN-PROGRAM will now work on + systems with Unix98 pty semantics. + * bug fix: ASDF-INSTALL will now work with bsd tar. + * bug fix: ASDF-INSTALL uses GNU tar on Solaris (thanks to Josip + Gracin). + * bug fix: timers expiring in dead threads no longer cause a + type-error (reported by Paul "Nonny Mouse"). + * bug fix: thanks to more lightweight single-stepper instrumentation, + code compiled with (DEBUG 3) will compile and execute significantly faster, + and will have more accurate type-inferencing than before + * bug fix: SLOT-VALUE optimizations are no longer done on method parameters + whose bindings are modified + * improvements to the win32 port (thanks to Yaroslav Kavenchuk): + ** bug fix: arguments to RUN-PROGRAM are escaped correctly + ** replace dummy implementations of CL:MACHINE-INSTANCE and + CL:SOFTWARE-VERSION with proper version + changes in sbcl-0.9.16 relative to sbcl-0.9.15: * feature: implemented the READER-METHOD-CLASS and WRITER-METHOD-CLASS portion of the Class Initialization Protocol as specified by AMOP. + * incompatible change: variable SB-EXT:*USE-IMPLEMENTATION-TYPES* + no longer exists. * optimization: faster LOGCOUNT implementation on x86 and x86-64 (thanks to Lutz Euler) * optimization: hashing of general arrays and vectors has been @@ -10,7 +263,7 @@ changes in sbcl-0.9.16 relative to sbcl-0.9.15: * enhancement: SB-INTROSPECT is now able to find definitions of profiled functions. (thanks to Troels Henriksen) * enhancement: compiler-macro expansion applies now to FUNCALL forms - as well. + as well, allowing compiler-macros for SETF-functions to expand. * enhancement: step-instrumentation no longer wraps known single-value functions with multiple-value context, allowing better type inference. @@ -54,8 +307,13 @@ changes in sbcl-0.9.16 relative to sbcl-0.9.15: types in some cases. * bug fix: fixed input, output and error redirection in RUN-PROGRAM for win32. (thanks to Mike Thomas and Yaroslav Kavenchuk) - * bug fix: CONDITION-WAIT could return early on Linux, if the thread was - interrupted and subsequently continued with SIGCONT. + * bug fix: #368: incorrect use of expressed vs. upgraded array + element type. + * bug fix: #306a: more precise unions of array types. + * thread-safety improvements: + ** CONDITION-WAIT could return early on Linux, if the thread was + interrupted and subsequently continued with SIGCONT. + ** STABLE-SORT and ADJUST-ARRAY were not reentrant. changes in sbcl-0.9.15 relative to sbcl-0.9.14: * added support for the ucs-2 external format. (contributed by Ivan @@ -164,6 +422,8 @@ changes in sbcl-0.9.13 relative to sbcl-0.9.12: faster * optimization: added a limited bytecode compiler for simple toplevel forms, speeding up compilation and FASL loading + * bug fix: the statistical profiler now properly distinguishes anonymous + functions changes in sbcl-0.9.12 relative to sbcl-0.9.11: * minor incompatible change: in sbcl-0.9.11 (but not earlier