X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=2242954c24b0ddafdf860b3f975ab6b0a7a571bf;hb=9abfd1a2b22862570c15ffa5129b1196d0480290;hp=9683e653620737ca0cacdb2c8bba10d57f947015;hpb=d7eeed8e500932c38cd2c7d22ea1ff9630d2f7c8;p=sbcl.git diff --git a/NEWS b/NEWS index 9683e65..2242954 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,113 @@ -;;;; -*- coding: utf-8; -*- - * new feature: ARRAY-STORAGE-VECTOR provides access to the underlying - data vector of an multidimensional SIMPLE-ARRAY. +;;;; -*- coding: utf-8; fill-column: 78 -*- +changes in sbcl-1.0.27 relative to 1.0.26: + * new port: support added for x86-64 OpenBSD. (thanks to Josh Elsasser) + * new port: support added for x86-64 Solaris. (thanks to Alex Viskovatoff) + * improvement: the system either recovers from stack exhaustion or dies + properly as opposed to leaving the user uncertain of whether the handler + trampled on some random memory next to the stack or having to rely on + --lose-on-corruption (which is still a good idea to use in production + because stack exhaustion can happen in signal handlers which will likely + lead to hangs.) + * bug fix: a type error is signaled for attempts to use the LOOP + keyword ACROSS for a NIL value. (thanks to Daniel Lowe) + * bug fix: fix gc related interrupt handling bug on ppc (regression from + 1.0.25.37, reported by Harald Hanche-Olsen) + * bug fix: work around signal delivery bug in darwin (regression from + 1.0.25.44, reported by Sidney Markowitz) + * bug fix: fix ERROR leaking memory (reported by David Thompson) + +changes in sbcl-1.0.26 relative to 1.0.25: + * incompatible change: an interruption (be it a function passed to + INTERRUPT-THREAD or a timer function) runs in an environment where + interrupts can be enabled. The interruption can use + WITH-INTERRUPTS or WITHOUT-INTERRUPTS as it sees fit. Use + WITHOUT-INTERRUPTS to avoid nesting of interruptions and + potentially running out of stack. Keep in mind that in the absence + of WITHOUT-INTERRUPTS some potentially blocking operation such as + acquiring a lock can enable interrupts. + * incompatible change: GC-OFF and GC-ON are removed, as they were + always unsafe. Use WITHOUT-GCING instead. + * new feature: runtime option --disable-ldb + * new feature: runtime option --lose-on-corruption to die at the + slightest hint of possibly non-recoverable errors: running out of + memory, stack, alien stack, binding stack, encountering a memory + fault, etc. In the absence of --lose-on-corruption a warning is + printed to stderr. + * enhancement: detect binding stack exhaustion + * enhancement: detect alien stack exhaustion on x86/x86-64 + * improvement: generally more stable and reliable interrupt handling + * improvement: there is a per thread interruption queue, + interruptions are executed in order of arrival + * improvement: a repeating timer reschedules itself when the it has + finished, but expiration times are spaced equally. If an + expiration time is in the past it will trigger after a short grace + period that may give a chance to other things to run. + * optimization: slightly faster gc on multithreaded builds + * optimization: faster WITHOUT-GCING + * bug fix: when JOIN-THREAD signals an error, do it when not holding + important locks so that the debugger/handler doesn't produce + recursive errors or deadlock. + * bug fix: real-time signals are not used anymore, so no more + hanging when the system wide real-time signal queue gets full. + * bug fix: INTERRUPT-THREAD on a dying thread could produce memory + fault. + * bug fix: finalizers, gc hooks never run in a WITHOUT-INTERRUPTS + * bug fix: fix random memory faults related to interrupts on alpha + * bug fix: fix random memory faults related to interrupts on sparc + * bug fix: fix deadlocks related to starting threads + * bug fix: fix deadlines on locks on futex platforms + * bug fix: restore errno in signal handlers + * bug fix: fix deadlocks related to hash tables + * bug fix: fix deadlocks in pcl + +changes in sbcl-1.0.25 relative to 1.0.24: + * incompatible change: SB-INTROSPECT:FUNCTION-ARGLIST is deprecated, to be + removed later. Please use SB-INTROSPECT:FUNCTION-LAMBDA-LIST instead. + * new feature: SB-INTROSPECT:DEFTYPE-LAMBDA-LIST allows retrieval of + DEFTYPE lambda lists. (thanks to Tobias Rittweiler) + * enhancement: MUTEX-VALUE is to be superseded by MUTEX-OWNER that has a + better name and does not return values so stale on multiprocessor systems. + Also, HOLDING-MUTEX-P was added for about the only sane usage of + MUTEX-OWNER. + * improvement: unithread builds keep track of MUTEX-VALUE. + * improvement: reading from a TWO-WAY-STREAM does not touch the output + stream anymore making it thread safe to have a concurrent reader and + a writer, for instance, in a pipe. + * improvement: GET-SETF-EXPANDER avoids adding bindings for constant + arguments, making compiler-macros for SETF-functions able to inspect + their constant arguments. + * improvement: COMPILE-FILE reports times with millisecond accuracy + (thanks to Luis Oliveira) + * optimization: CHAR-CODE type derivation has been improved, making + TYPEP elimination on subtypes of CHARACTER work better. (reported + by Tobias Rittweiler, patch by Paul Khuong) + * bug fix: setting alien structure fields of type struct by value now + computes the right offset for the memory copy. + * bug fix: compilation problem involving inlined calls to aliens with + result type VOID. (reported by Ken Olum) + * bug fix: #235a; sequential inline expasion in different policies no + longer reuses the functional from the previous expansion site. + * bug fix: DEFTYPE no longer breaks on bodies consisting of a single + unquoted symbol. Regression from 1.0.22.8. (reported by Ariel Badichi) + * bug fix: named ENUMs in multiply-referenced alien record types no longer + cause an implied type redefinition. Regression from 1.0.21.29. + * bug fix: sign-extension of small signed return values now works with C + code compiled with gcc 4.3 or newer. (reported by Liam Healy) + * improvements to the Windows port: + ** SB-BSD-SOCKETS now works from saved cores as well. (reported by Stephen + Westfold, thanks to Rudi Schlatte) + +changes in sbcl-1.0.24 relative to 1.0.23: + * new feature: ARRAY-STORAGE-VECTOR provides access to the underlying data + vector of a multidimensional SIMPLE-ARRAY. * new feature: the system now signals a continuable error if standard - readtable modification is attempted. + readtable modification is attempted. (thanks to Tobias Rittweiler) + * new feature: DIRECTORY has been extended with a non-standard keyword + argument :RESOLVE-SYMLINKS. (thanks to TC-Rucho) + * enhancement: SB-BSD-SOCKETS:MAKE-SOCKET-STREAM keyword argument handling + has been robustified and documented better. (thanks to Robert Goldman) * optimization: faster generic arithmetic dispatch on x86 and x86-64. - * optimization: unmodified FORMAT ~D is now approximately 5% faster. + * optimization: FORMAT ~D and ~F are now approximately 5% faster. * tradeoff: constant FORMAT control strings are now compiled unless SPACE > SPEED (previously only when SPEED > SPACE.) * bug fix: Red Hat Enterprise 3 mmap randomization workaround. (thanks @@ -37,7 +140,28 @@ REPL unusable. (reported by Daniel Herring) * bug fix: return values of READ-SEQUENCE did not take :START into account on file streams, regressions since 1.0.12.22. (reported by - Daniel Herring, patch by Paul Huong) + Thomas Russ, patch by Paul Khuong) + * bug fix: using SET or (SETF SYMBOL-VALUE) to change the value of a + method specializer used to confuse permuation vector optimization. + * bug fix: system inserted bogus implicit type declarations for local + special variables in DEFMETHOD bodies. + * bug fix: #354; duplicated frames in backtraces due to + non-tail-call-optimized XEPs to functions with return type NIL + have been elimited. + * bug fix: #357; MAKE-INSTANCE/SHARED-INITIALIZE now + initializes structure object slots according to DEFSTRUCT initforms, + and DEFSTRUCT forms :INCLUDEind structure classes defined using + DEFCLASS :METACLASS STRUCTURE-CLASS now inherit their initforms. + (reported by Bruno Haible and Stephen Wilson) + * bug fix: #395; fill-pointer output streams used now support + element-type BASE-CHAR as well. + * bug fix: compiler error when attempting to derive return value of + ARRAY-ELEMENT-TYPE when the array type was a union of intersection + types. + * bug fix: address-spaces overlapped on OpenBSD. (thanks to Josh + Elsasser) + * bug fix: Mac OS X binaries should now be portable between Leopard + and Tiger. changes in sbcl-1.0.23 relative to 1.0.22: * enhancement: when disassembling method functions, disassembly @@ -205,7 +329,7 @@ changes in sbcl-1.0.19 relative to 1.0.18: type is not know sufficiently well a compile-time are now compiled correctly. (reported by John Morrison) * bug fix: compiler no longer makes erronous assumptions in the - presense of non-foldable SATISFIES types. + presence of non-foldable SATISFIES types. * bug fix: stack analysis missed cleanups of dynamic-extent arguments in non-let-converted calls to local functions. * improvements to the Windows port: @@ -1164,7 +1288,7 @@ changes in sbcl-0.9.14 relative to sbcl-0.9.13: default, and DISABLE-DEBUGGER and ENABLE-DEBUGGER also affect the low-level debugger. * enchancement: RUN-PROGRAM is now able to extract the file-descriptor - from SYNONYM-STREAM and TWO-WAY-STEAMS provided they can be decomposed + from SYNONYM-STREAM and TWO-WAY-STREAM provided they can be decomposed down to an SB-SYS:FD-STREAM, allowing direct communication in more cases. Temporary files and pipes are still used as a fallback strategy.