+;;;; -*- coding: utf-8; -*-
+changes in sbcl-0.9.6 relative to sbcl-0.9.5:
+ * bug fix: add a workaround to SBCL looping infinitely at startup on
+ Linux kernels with apparently buggy implementations of personality().
+ (thanks to Svein Ove Aas)
+ * bug fix: Unicode symbols are correctly printed in LDB backtraces
+ (thanks to David Lichteblau)
+ * bug fix: local bindings shadow global symbol macros for
+ macroexpansion. (reported by Matthew D Swank on comp.lang.lisp)
+ * optimization: non-open coded uses of numeric comparison operators
+ (e.g. >) no longer cons when called with more than one parameter
+ on platforms supporting dynamic-extent allocation.
+ * enhancement: saving cores with foreign code loaded is now supported
+ on MIPS/Linux in addition to the previously supported platforms.
+ * bug fix: COMPUTE-RESTARTS returns all active restarts, including those
+ with :TEST, when called without a condition. (reported by Helmut Eller for
+ CMUCL)
+ * bug fix: division by zero in sb-sprof when no samples were collected
+ * bug fix: a race when a slow to arrive sigprof signal killed sbcl
+ * bug fix: asdf-install uses CRLF as required by the HTTP spec.
+ (thanks to Alexander Kjeldaas)
+ * new feature: ignoring the return values of destructive functions
+ like NREVERSE signals a compile-time style-warning.
+ (thanks to Kevin Reid)
+ * new feature: the alignment of alien structure fields can be
+ explicitly specified. (thanks to Cyrus Harmon)
+ * threads
+ ** bug fix: threads stacks belonging to dead threads are freed by the
+ next exiting thread, no need to gc to collect thread stacks anymore
+ ** minor incompatible change: INTERRUPT-THREAD-ERROR-ERRNO removed
+ ** WITH-RECURSIVE-LOCK can be nested in a WITH-MUTEX for the same lock
+ ** bug fix: dynamic variable and thread start related gc lossage
+ ** bug fix: job control (SIGSTOP/SIGCONT) no longer confuses threads
+ suspended for gc
+ * fixed some bugs revealed by Paul Dietz' test suite:
+ ** SUBTYPEP is slightly more accurate on heinously complicated
+ CONS types where some of the members have uncertain (in the
+ NIL, NIL sense) type relationships to each other.
+
+changes in sbcl-0.9.5 relative to sbcl-0.9.4:
+ * new feature: timers based on Zach Beane's excellent timer package
+ * added support for the following external formats: koi8-u,
+ x-mac-cyrillic, cp437, cp850, cp852, cp855, cp857, cp860, cp861,
+ cp862, cp863, cp864, cp865, cp866, cp869, cp874, iso-8859-2,
+ iso-8859-3, iso-8859-4, iso-8859-5, iso-8859-6, iso-8859-7,
+ iso-8859-8, iso-8859-9, iso-8859-10, iso-8859-11, iso-8859-13,
+ iso-8859-14, cp1250, cp1251, cp1252, cp1253, cp1254,
+ cp1255,cp1256, cp1257, cp1258 (contributed by Ivan Boldyrev)
+ * incompatible change: a threaded SBCL will no longer revert to
+ non-threaded mode on non-NPTL systems, but refuse to start entirely.
+ * bug fix: interrupts are disabled until startup is complete; no
+ more sigsegvs when receiving a signal to soon
+ * optimization: faster 32-bit SB-ROTATE-BYTE:ROTATE-BYTE on non-x86/ppc
+ platforms
+ * bug fix: add a workaround for the memory randomization features in
+ Linux kernels >= 2.6.12 that interfere with SBCL's memory maps. This
+ workaround will only be in effect on systems with the proc filesystem
+ mounted.
+ * bug fix: printing objects of type HASH-TABLE signals a
+ PRINT-NOT-READABLE error when *READ-EVAL* is NIL. (reported by
+ Faré Rideau)
+ * bug fix: GET-INTERNAL-REAL-TIME now works even for processes that
+ have been running for over 50 days. (reported by Gilbert Baumann)
+ * bug fix: the logic for getting names of functions gets less
+ confused when confronded with alternate-metaclass
+ funcallable-instances. (reported by Cyrus Harmon)
+ * bug fix: FUNCTIONP and (LAMBDA (X) (TYPEP X 'FUNCTION)) are now
+ consistent, even on internal alternate-metaclass objects.
+ * bug fix: flush closure information collected by physical
+ environment analysis prepass before the main pass. (bug reported
+ by Vasile Rotaru)
+ * bug fix: compiler pack phase does not modify a hashtable, which is
+ iterated. (reported by Bryan O'Connor, fixed by Rob MacLachlan)
+ * bug fix: backquote does not optimize (LIST* x y) to CONS when x
+ may be expanded. (reported by Alexander <malishev> on c.l.l)
+ * bug fix: no more style-warnings when compiling code using LAST
+ under high-SPEED low-SPACE settings. (reported by David Wallin
+ aka froog on #lisp)
+ * fixed some incompatibilities between SBCL's MOP and the MOP
+ specified by AMOP:
+ ** the METAOBJECT class is now implemented;
+ ** FUNCALLABLE-STANDARD-OBJECT is now a subclass of
+ STANDARD-OBJECT, as required;
+ ** the classes STANDARD-CLASS and FUNCALLABLE-STANDARD-CLASS are
+ now compatible (as required by VALIDATE-SUPERCLASS); there
+ remains a consistency requirement over the presence or absence
+ of the FUNCTION class in the superclass list of finalized
+ classes; see the manual for more details;
+ ** the :AROUND method for COMPUTE-SLOTS on
+ FUNCALLABLE-STANDARD-CLASS now honours the primary method's
+ requested slot ordering.
+ * threads
+ ** bug fix: parent thread now can be gc'ed even with a live
+ child thread
+ ** bug fix: binding a special with PROGV to no value is not
+ the same as that symbol not having been bound (thanks to
+ Hannu Koivisto)
+ ** bug fix: binding specials is thread safe (thanks to
+ Hannu Koivisto)
+ ** bug fix: interrupt handlers are now per-process, RUN-PROGRAM
+ and SB-SPROF do not die with 'no handler for signal XX in
+ interrupt_handle_now(..)' anymore
+ ** bug fix: WITH-TIMEOUT works with multiple running threads
+ * fixed some bugs revealed by Paul Dietz' test suite:
+ ** ENSURE-GENERIC-FUNCTION should take a method class object for
+ the :method-class keyword argument.
+
+changes in sbcl-0.9.4 relative to sbcl-0.9.3:
+ * new port: the Solaris operating system on x86 processors is now
+ mostly supported, though some rough edges in the environment
+ remain. (thanks to Daisuke Homma)
+ * enhancement: SBCL on MIPS platforms now has a much larger dynamic
+ space for its heap. (thanks to Thiemo Seufer)
+ * optimization: SBCL on MIPS platforms now supports dynamic-extent
+ closures. (thanks to Thiemo Seufer)
+ * minor incompatible change: eof selects abort in the debugger.
+ * minor incompatible change: *INVOKE-DEBUGGER-HOOK* is run before
+ *DEBUGGER-HOOK* => *DEBUGGER-HOOK* is not run when the debugger
+ is disabled.
+ * minor incompatible change: SB-KERNEL:INSTANCE-LAMBDA is
+ deprecated, and will go away in a future revision of SBCL.
+ * minor incompatible change: GC-ON and GC-OFF are no longer
+ implemented with a counter, it does not matter how many times gc
+ is switched on or off
+ * bug fix: discriminating functions for generic function classes
+ with non-standard methods for COMPUTE-APPLICABLE-METHODS no longer
+ make invalid assumptions about method precedence order. (reported
+ by Bruno Haible)
+ * bug fix: TRUNCATE now correctly signals division by zero on MIPS
+ platforms. (thanks to Thiemo Seufer)
+ * bug fix: degree sign (<U00B0>) could not be encoded in KOI8-R.
+ * bug fix: correct pathname printing with printer escaping is on.
+ (thanks to Kevin Reid)
+ * bug fix: complex VOP definitions in "user-space" no longer trigger
+ package locks. (reported by Zach Beane)
+ * fixed bug 343: SB-KERNEL:INSTANCE-LAMBDA is no longer necessary
+ for funcallable-instance functions, and is no different from
+ regular LAMBDA.
+ * bug fix: PARSE-INTEGER no longer depends on the whitespaceness of
+ characters in the current readtable. (reported by Nicholas Neuss)
+ * bug fix: SUBTYPEP on various CONS types returns more a more
+ accurate acknowledgment of its certainty.
+ * optimizations: REMOVE-DUPLICATES now runs in linear time on
+ lists in some cases. This partially fixes bug 384.
+ * flush all standard streams before prompting in the REPL and the
+ debugger.
+ * bug fix: signal handling and triggering gc do not conflict
+ directly anymore, in particular a high frequency sb-sprof does
+ not prevent gc from running
+ * bug fix: DECODE-UNIVERSAL-TIME now uses a more reasonable
+ approximation for timezone and DST information between the
+ universal time epoch and the smallest negative 32-bit time_t.
+ * bug fix: ENCODE-UNIVERSAL-TIME no longer errors when passed the
+ year 1899 so long as the encoded time is non-negative.
+ * bug fix: on the x86 platform, SB-ROTATE-BYTE:ROTATE-BYTE returns
+ the correct answer for non-constant rotate amounts when performing
+ an inline 32-bit rotation.
+ * threads
+ ** bug fix: RELEASE-FOREGROUND doesn't choke on session lock if
+ there is only one thread in the session
+ ** bug fix: memory leak for streams created in one thread and
+ written to in another
+ ** bug fix: lockup when compiled with gcc4
+ ** bug fix: race that allows the gc to be triggered when gc is
+ inhibited
+ ** bug fix: one less memory fault in INTERRUPT-THREAD, again
+ ** bug fix: gc and INTERRUPT-THREAD don't hang when the RT signal
+ queue is full
+ ** bug fix: finished threads are gc'ed properly
+ * fixed some bugs revealed by Paul Dietz' test suite:
+ ** CALL-NEXT-METHOD signals an error (in safe code) when the call
+ has arguments with a different set of applicable methods from
+ the orignal arguments.
+ ** The type error thrown by MAP now has a correct expected-type
+ cell.
+ ** DISASSEMBLE now throws a TYPE-ERROR when its argument does not
+ name a compiled function.
+ ** Three MISC tests where a large bignum was improperly coerced to
+ a float that couldn't represent that bignum during type
+ derivation were fixed.
+ ** SUBTYPEP can now handle types involving the negation of a
+ list-form FUNCTION type.
+ ** SUBTYPEP also now handles certain COMPLEX type specifiers such
+ as (COMPLEX (AND RATIO (NOT FIXNUM))).
+ ** READ-BYTE and WRITE-BYTE no longer take stream designators.
+
+changes in sbcl-0.9.3 relative to sbcl-0.9.2:
+ * New feature: Experimental support for bivalent streams: streams
+ opened with :element-type :default now allow character and binary
+ (unsigned-byte 8) I/O
+ * Support for the koi8-r external format. (thanks to Ivan Boldyrev)
+ * Bug fix: OPEN no longer fails when *PRINT-READABLY* is T. (thanks
+ to Zach Beane)
+ * bug fix: no more highly sporadic "couldn't check whether ~S is
+ readable" when reading a stream and an interrupt hits in the middle
+ of a select system call
+ * compiler better recognizes complex arrays (reported by Eduardo
+ Muñoz)
+ * bug fix: out-of-line SB-SYS:FOREIGN-SYMBOL-ADDRESS did not work
+ for variables on SBCL built with linkage-tables. (reported by Luis
+ Oliveira)
+ * various error reporting improvements.
+ * optimizations: LOGNOR on fixnums is improved in the MIPS backend.
+ (Thanks to Thiemo Seufer)
+ * bug fix: nested reader invokations work correctly
+ * bug fix: it is possible to have simultaneous references to foreign
+ code and foreign data with the same name.
+ * threads
+ ** added x86-64 support
+ ** incompatible change: the threading api now works with thread
+ objects instead of thread ids
+ ** bug fix: threads are protected from signals and interruption when
+ starting up or going down
+ ** bug fix: a race where an exiting thread could lose its stack to gc
+ ** bug fix: don't halt on infinite error in threads if possible
+ ** fixed numerous gc deadlocks introduced in the pthread merge
+ ** bug fix: fixed thread safety issues in read and print
+ ** bug fix: debugger doesn't hang on session lock if interrupted at
+ an inappropriate moment
+ ** bug fix: run-program is now thread safe(r)
+ ** bug fix: inner with-recursive-lock no longer releases the mutex
+ * fixed a bug in (DECODE-UNIVERSAL-TIME 0) (reported by Paul Dietz)
+ * fixed some bugs revealed by Paul Dietz' test suite:
+ ** TYPE-ERRORs from signalled by COERCE now have DATUM and
+ EXPECTED-TYPE slots filled.
+ ** MULTIPLE-VALUE-SETQ always returns the primary value of the
+ values form.
+ ** MAKE-CONDITION accepts classes as type-designators.
+ ** COMPILE may never return NIL.
+ ** ENCODE-UNIVERSAL-TIME now guards against times out of Unix's
+ range before calling Unix time functions
+
changes in sbcl-0.9.2 relative to sbcl-0.9.1:
* numerous signal handling fixes to increase stability
* Support for EUC-JP external format. (thanks to NIIMI Satoshi)
- * bug fix: interrupt-thread restores the eflags register on x86
* minor incompatible change: we now correctly canonize default
initargs, making them be a list of (INITARG INITFORM INITFUNCTION)
as per the MOP, rather than the historical (INITARG INITFUNCTION
* TRUENAME and PROBE-FILE now correctly resolve symlinks even if the
pathname is a directory pathname.
* SB-SPROF now works (more) reliably on non-GENCGC platforms.
- * fixed some lockups due to gc/thread interaction
* dynamic space size on PPC has been increased to 768Mb. (thanks to
Cyrus Harmon)
* SB-MOP:ENSURE-CLASS-USING-CLASS now accepts a class as the
David Lichteblau)
* optimization: DYNAMIC-EXTENT declarations for lists and closures
are treated as requests for stack allocation on the x86-64,
- Alpha-32, and PPC platforms.
+ Alpha-32, PPC and SPARC platforms.
* contrib improvement: it's harder to cause SOCKET-CLOSE to close()
the wrong file descriptor; implementation of SOCKET-OPEN-P.
(thanks to Tony Martinez)
+ * threads
+ ** gcing a dead thread can no longer lead to lockups
+ ** threads block signals until they are set up properly
+ ** errno is no longer shared by threads
+ ** interrupt-thread restores the eflags register on x86
+ ** fixed some lockups due to gc/thread interaction
* fixed some bugs revealed by Paul Dietz' test suite:
** invalid dotted lists no longer raise a read error when
*READ-SUPPRESS* is T