-0.7.9 (pending release) - more bug fixes, compatibility, optimization, cleanup
+0.7.9 release notes
-fixed fcntl locking on x86_64.
+new pthread cancellation implementation:
+- safe against resource-leak/side-effect-leak race conditions
+- safe against interruption by signal handlers
+- reduced bloat in all cancellable functions
+- reduced bloat for blocking cancellation
+
+new interfaces implemented:
+- realpath (limited functionality)
+- wordexp (limited functionality)
+- flock (nonstandard)
+- forkpty (nonstandard)
+- posix_fadvise
+- posix_fallocate
+
+general bug fixes:
+- syslog function failure to communicate with syslogd
+- bug in siginfo_t definition if wait.h was included before signal.h
+- incorrect struct definitions for most of sysv ipc
+- pthread_exit/cancel on timer handler wrongly destroying the timer
+- linux dup2 ebusy workaround
+- obscure issues in non-threaded programs using some pthread functions
+- getopt_long allowed mismatch in last char of option name
+- incorrect parsing of obscure ip address forms
+- initgroups not working reliably (uninitialized var)
+- shadow pass treating empty expiry field as pass-expired-in-1970
+- bogus longjmp if pthread_exit was called from cancellation handlers
+
+x86_64-specific bug fixes:
+- fcntl file locking
+- thread stack alignment
+- broken select timeouts due to incorrect timeval definition
+
+
+
+0.7.10 release notes
+
+new features:
+- ipv6 numeric string parsing
+- eventfd syscall wrappers
+
+optimizations:
+- new qsort implementation using the smoothsort algorithm
+- much smaller/faster sigset_t handling functions
+- lowered spin count before futex wait in synchronization functions
+
+general bug fixes:
+- incorrect floating point round-to-even behavior in printf
+- major bugs in pthread barrier implementation
+- off-by-one error in scanf %n results
+- scanf failure to report EOF when scanning for literal text
+- minor missing/incorrect prototype issues
+- dependency on undefined call order in fclose
+
+compiler issue workarounds:
+- incorrect inlining of variadic functions on recent gcc versions
+- pcc preprocessor bug with recursive macro expansion
+
+
+
+0.7.11 release notes
-fixed syslog implementation to work correctly with busybox syslogd and
-presumably all other syslogd implementations using /dev/log.
+new features:
+- integrated dynamic linker
+- dynamic loading (dlopen/dlsym) (for dynamic-linked programs only)
+- XSI search.h API
+- POSIX message queues
+- POSIX spawn interfaces
+- BSD pseudo-random number generator API (random/srandom/initstate/etc.)
+- floating point environment (limited usefulness due to gcc bugs)
+
+general bug fixes:
+- possible crashes with wordexp due to uninitialized variable
+- race condition in pthread_kill (also present and unfixed in glibc/nptl)
+- pthread exit destructors called too late
+- dangerous unbounded vla in glob
+- brk/sbrk legacy functions mismatching legacy semantics
+- wcsncpy dest buffer overflow
+- strncat and wcsncat possible overflows due to double-termination
-fixed major problems, including wrong public struct definitions, in
-sysvipc interfaces.
-improved timers with thread delivery to avoid some issues with reusing
-the same thread for all expirations.
-optimized various pthread internals.
+0.7.12 release notes
+
+new features:
+- support for textrels in shared objects
+- rpath support in dynamic linker
+- stdio_ext.h functions (for better gnu software compatibility)
+
+bug fixes:
+- some compilers miscompiling dlopen due to misuse of longjmp
+- safe handling of invalid long-double bit patterns (affects printf)
+- workaround for bugs in linux mprotect syscall
+- thread-safety for random() functions
+- various minor issues
+
+
+
+0.8.0 release notes
+
+new features:
+- chinese and japanese legacy charset support in iconv
+- zero-syscall clock_gettime support (dynamic-linked x86_64 only)
+- futex-based locking for stdio (previously used spinlocks)
+- LD_PRELOAD and RTLD_NEXT support in dynamic linker
+- strptime (mostly working but incomplete)
+- posix aio (mostly working but not entirely conformant)
+- memory streams (fmemopen, open_memstream, ...)
+- stub/dummy implementations for various useless legacy functions
+- if_nameindex
+
+security hardening:
+- setuid, etc. should not longer be able to "partially fail" with threads
+- ensure suid programs start with fd 0,1,2 open
+- improved openpty/forkpty failure checks
+
+threads/synchronization bug fixes:
+- dangerous spurious wakeup in pthread_join lead to early return
+- race condition enabling async cancellation (delayed/lost cancellation)
+- destruction/unmapping race conditions in semaphores, mutexes, rwlocks
+- recursive rwlock_rdlock deadlock when a writer is waiting
+- race condition in sigqueue with fork
+- timer expiration thread exit wasn't running dtors
+- timer threads weren't blocking signals
+- close was wrongly cancellable after succeeding on some devices
+- robust mutex list was not reset on fork
+
+general bug fixes:
+- incorrect logic in fread (spurious blocking; crash on write-only files)
+- many corner cases and overflow cases for strtol-family functions
+- various printf integer formatting issues with flags/width/precision
+- incorrect iconv return value on failure
+- broken FD_* macros on 64-bit targets
+- clock function returning wrong value (real time not cpu time)
+- siglongjmp signal mask clobbering (off-by-one pointer error)
+- dynamic linker weak symbol resolution issues
+- fdopendir failure to set errno
+- various minor header fixes
+
+
+
+0.8.1 release notes
+
+bug fixes:
+- mismatching prototypes caused build failure on 64-bit
+- other minor prototype errors in the headers have been fixed
+- various other small omissions fixed
+
+
+
+0.8.2 release notes
+
+new features:
+- ptrace syscall support
+
+bug fixes:
+- const error (only a warning with many compilers) in lio_listio
+- minor portability fixes aimed at supporting new arch targets
+
+
+
+0.8.3 release notes
+
+new features:
+- arm port (experimental)
+- better musl-gcc wrapper script for building against musl
+- added clone system call
+
+bug fixes:
+- numerous header file typos, copy/paste errors, omissions
+- statfs and statvfs ABI are now LSB-conformant (and actually work)
+
+
+
+0.8.4 release notes (coming soon)
+
+new features:
+- arm dynamic linker support
+- process-shared pthread barriers now work
+- more optional cancellation points are now cancellable
+- printf accepts null pointers with %s, prints as "(null)"
+- recursive mutexes are now fully reentrant
+- __cxa_atexit support
+- real vfork
+- dynamic linker now gold-compatible
+- prlimit syscall
+- support for large limits with setrlimit/getrlimit (even on 32-bit)
+
+bug fixes:
+- many serious issues in condition variables
+- rwlock failure-to-wake deadlock issues
+- various small header files bugs/omissions
+- wrong failure return for pthread_create
+- path handling issues on execvp
+- lock count corruption with robust recursive mutexes
+- integer overflows in atoi, etc. reading most-negative value
+- spurious mremaps on every realloc of large memory chunks
+
+security:
+- avoid fd_set overflow in dns lookups
+
projects / musl / blobdiff