X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=e70ebe77a2809322d77bfcc8ea7befe7da263357;hb=9e4ba79747ea69dc33ef9f6014571dd098d1568d;hp=14cceff2fcc0adbc4dc126380622e58489594616;hpb=808457cb2af9dac048727de6b089d6d81235d29e;p=sbcl.git diff --git a/NEWS b/NEWS index 14cceff..e70ebe7 100644 --- a/NEWS +++ b/NEWS @@ -1,11 +1,72 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.0.36: - * INCOMPATIBLE CHANGE: the SB-QUEUE contrib was merged into the - SB-CONCURRENCY contrib module. - * new contrib: SB-CONCURRENCY is a new contrib; it's supposed to contain - additional data structures and tools for concurrent programming; at the - moment it contains a lock-free queue, and a lock-free mailbox +changes relative to sbcl-1.0.41 + * build changes + ** Cross-compilation host is now specified to make.sh using + command-line argument --xc-host= instead of a positional + argument. (thanks to Daniel Herring) + ** Install location can be specified to make.sh using command-line + argument --prefix=. (lp#550889s, thanks to Daniel Herring) + * optimization: The default implementation of + COMPUTE-DISCRIMINATING-FUNCTION does much less wasted work. + * enhancement: Explicit memory barrier operations are now available for use + by multithreaded code. See documentation for details. + * enhancement: Experimental support for threading on Linux/PPC. + * bug fix: RENAME-PACKAGE returns the package. (Thanks to Eric Marsden) + +changes in sbcl-1.0.41 relative to sbcl-1.0.40: + * optimization: validity of observed keyword initargs to MAKE-INSTANCE is + cached, leading to many fewer expensive calls to + COMPUTE-APPLICABLE-METHODS. + * optimization: in the (unoptimized) general method for MAKE-INSTANCE on a + CLASS argument, search for and call an appropriate optimized ctor function + if it exists. + * bug fix: WRITE always returns the correct value. + +changes in sbcl-1.0.40 relative to sbcl-1.0.39: + * bug fix: readdir now works on :inode64 darwin builds (lp#592897) + * bug fix: Name conflicts between symbols passed as arguments to a single + call to IMPORT no longer add multiple symbols with the same name to the + package (detectable via DO-SYMBOLS). + * bug fix: support building without the dlshim on darwin x86 and x86-64 + (lp#533470). + * bug fix: TRACE :ENCAPSULATE NIL now works on ppc/linux. + +changes in sbcl-1.0.39 relative to sbcl-1.0.38: + * bug fix: Backtrace from undefined function on x86 and x86-64 now show + the calling frame. + * bug fix: linkage-table entries on PPC now no longer overflow their + space allocation (potentially causing crashes if they are written out + of order). + * bug fix: Scrub control stack after scavenging in gencgc on non-x86oid + platforms, preventing the GC from seeing stale pointers on the control + stack in subsequent GCs (which would, and does, break invariants). + * bug fix: 32-bit unicode external formats now work on big-endian systems. + * bug fix: Literal characters with code points greater than about 32767 + now work on PPC UNICODE builds. + * bug fix: Any noise left by SSE operations (sqrt and conversions) in the + high order bits are explicitly cleared out. In some contrived situations, + this could lead to wrong results in mixed real/complex float arithmetic. + * bug fix: Fix function/macro redefinition warnings when building with + clisp. (lp#576787, thanks to Josh Elsasser) + * new platform: experimental support for ppc/openbsd (thanks to Josh + Elsasser). + * bug fix: Floating-point traps now work on ppc/linux. + +changes in sbcl-1.0.38 relative to sbcl-1.0.37: + * incompatible change: Thread names are now restricted to SIMPLE-STRINGs + like for any other thread-related datastructure, MUTEX, etc. (lp#547095) + * deprecation: the SB-QUEUE contrib was merged into the SB-CONCURRENCY + contrib module. New code should depend on SB-CONCURRENCY, not SB-QUEUE. + * deprecation: SB-THEAD:GET-MUTEX was deprecated in favor of + SB-THREAD:GRAB-MUTEX. + * new contributed module: SB-CONCURRENCY is a new contrib; it's supposed to + contain additional data structures and tools for concurrent programming; + at the moment it contains a lock-free queue, and a lock-free mailbox implementation. + * new feature: added SB-THREAD:GRAB-MUTEX; it's like the now deprecated + GET-MUTEX but takes &key rather than &optional parameters. Also added + :TIMEOUT argument to GRAB-MUTEX on non-sb-lutex platforms like Linux and + BSD. * new feature: added SB-THREAD:TRY-SEMAPHORE, a non-blocking variant of SB-THREAD:WAIT-ON-SEMAPHORE. * new feature: SB-EXT:ATOMIC-DECF has been added as a companion to @@ -23,6 +84,24 @@ changes relative to sbcl-1.0.36: SOCKET-PEERNAME. ** SOCKET-MAKE-STREAM once more supports the :AUTO-CLOSE option. (lp#540413) + ** SOCKET-CLOSE now accepts :ABORT argument, which is passed on to + CL:CLOSE when appropriate, and no longer disassociates the stream + from the socket if close failed. (lp#543951) + * improvements to the instrumenting profiler + ** new feature: report per-function GC overhead. (thanks to John Fremlin) + ** optimization: counters no longer use locks for the overflow mode. + ** bug fix: whenever a profiling counter wrapped into overflow mode, it + incurred an off-by-one miscount. + * enhancement: improved MAKE-HASH-TABLE documentation (lp#543473) + * enhancement: improved DEFMETHOD pretty-printing. + * enhancement: perform range reduction when arguments are too large for + x87's transcendentals (instead of returning 0). (lp#327192) + * enhancement: eliminate some spurious TYPE-WARNINGs. Should help with + some of CL-PPCRE's macros. (lp#570079) + * enhancement: our machine code is slightly less hostile to valgrind on + x86-64. + * enhancement: up-to-date versions of NetBSD-current are supported. (Thanks + to Robert Swindells and Aleksej Saushev) * bug fix: correct restart text for the continuable error in MAKE-PACKAGE. * bug fix: a rare case of startup-time page table corruption. * bug fix: a semaphore with multiple waiters and some of them unwinding due @@ -30,6 +109,34 @@ changes relative to sbcl-1.0.36: * bug fix: fix typo in "Reporting Bugs" section of the manual (lp#520366) * bug fix: misoptimization of multiplication by one in (SB-C::FLOAT-ACCURACY 0) policies. + * bug fix: miscounts in SB-PROFILE. + * bug fix: Fix lost wakeup bug between SB-THREAD:CONDITION-WAIT and + CONDITION-NOTIFY on Linux. See threads "lost wakeup in condition-wait / + condition-notify" (Feb 2010) and "Condition-Wait, Deadline handler, waking + up itself" (March 2010) for further details. + * bug fix: allow forward FIND and POSITION on lists to elide checking :END + against length of the list if the element is found before the specified + END is reached. (thanks to Alec Berryman, lp#554385) + * bug fix: errors signalled during package graph modification no longer + block FIND-SYMBOL and FIND-PACKAGE in other threads. (lp#511072) + * bug fix: SB-POSIX build was broken when SBCL was compiled without the + :SB-DOC feature. (lp#552564) + * bug fix: SB-INTROSPECT build issues on GENGC/PPC. (lp#490490) + * bug fix: more robust runtime executable path detection. (lp#375549) + * bug fix: GCD always returns positive values. (lp#413680) + * bug fix: Converting division to multiplication by reciprocal handles + denormals. + * bug fix: We were too eager in eliding range reduction tests on x87. + The maximal magnitude is 2^63, not 2^64. + * bug fix: Transforms for TRUNCATE don't die when the result is completely + ignored anymore. + * bug fix: Maybe restore buildability on Alpha. + * bug fix: READ-BYTE isn't inline anymore, fixing weird streams failures. + (lp#569404) + * bug fix: RANDOM-STATE can be printed readably again. + * bug fix: Unreadable objects were sometimes printed like #<\nFoo>. + * bug fix: Using EQL with non-constant values of constant type (e.g. EQL + types) could result in type mismatches during compilation. changes in sbcl-1.0.37 relative to sbcl-1.0.36: * enhancement: Backtrace from THROW to uncaught tag on x86oids now shows