X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=bd23c1b541373c4bdcaee6b00bed6662d80a0a0e;hb=1e7fc4730aa0cafb0aba5278e8cdbdba566b8725;hp=b47062db4656f289d675f6bb79ff083df7bd6bb9;hpb=75de197e44a87ba221e7da2480429759a2134d9e;p=sbcl.git diff --git a/NEWS b/NEWS index b47062d..bd23c1b 100644 --- a/NEWS +++ b/NEWS @@ -1,6 +1,62 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- +changes in sbcl-1.0.28 relative to 1.0.27: + * minor incompatible changes: echo-streams now propagate unread-char to the + underlying input stream, and no longer permit unreading more than one + character. + * improvement: on x86/x86-64 Lisp call frames now have the same layout as C + frames, allowing for instance more reliable backtraces. + * improvement: the debugger REPL can now reference lexical variables + by name directly for code compiled with (DEBUG 3). + * improvement: errors from malformed declarations now have better source + paths associated with them. (thanks to Tobias Rittweiler) + * optimization: faster local calls on x86/x86-64 + * bug fix: some error messages for out-of-bound array indexes confused the + index and the bound. (thanks to Stas Boukarev) + * bug fix: pretty printing malformed DEFPACKAGE forms (thanks to Sidney + Markowitz) + * bug fix: running regressions tests in shells without OSTYPE set now works. + (reported by Harald Hanche-Olsen) + * bug fix: more robust static space exhaustion signalling from + MAKE-STATIC-VECTOR (thanks to Daniel Lowe) + * bug fix: (SETF DOCUMENTATION) for anonymous function now throws the + docstring away instead of storing it under names such as (LAMBDA (X)). + (reported by Leslie Polzer) + * bug fix: timers could go off in the wrong order, be delayed indefinitely + (thanks to Ole Arndt for the patch) + * bug fix: RESTART-FRAME and RETURN-FROM-FRAME stack corruption + * bug fix: the discriminating function for PRINT-OBJECT no longer preserves + potentially-invalid effective methods in its cache. + * bug fix: SB-INTROSPECT:FIND-DEFINITION-SOURCE now works with funcallable + instances as well (thanks to Paul Khuong) + * bug fix: using RUN-PROGRAM does not interfere with SB-POSIX:WAIT, + SB-POSIX:WAITPID and their C equivalents. + * bug fix: RUN-PROGRAM does not crash on Darwin when stressed. + +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: 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: GC-OFF and GC-ON are removed, they were + * 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 @@ -8,9 +64,32 @@ changes in sbcl-1.0.26 relative to 1.0.25: 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