X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=WHATSNEW;h=f9bb248256005ad09399bcfd65ec3bd5a19d733e;hb=fde6891e59c315e4a0ec7e69182e1d6314e3795e;hp=d9826fc0ed0b547552ad40f1fb04664841d7f417;hpb=73cc775bee53300c7cf759f37580220b18ac13d3;p=musl diff --git a/WHATSNEW b/WHATSNEW index d9826fc0..f9bb2482 100644 --- a/WHATSNEW +++ b/WHATSNEW @@ -2236,3 +2236,94 @@ arch-specific bugs fixed: - mips* had negated error codes for some syscalls (kernel bug) - mips* SIGEMT was wrongly called SIGSTKFLT - sh fesetround didn't work correctly on sh + + + +1.2.2 release notes + +major changes: +- child restrictions lifted after fork of multithreaded parent + +new features: +- _Fork function (POSIX-future) +- reallocarray function (extension from OpenBSD, now widespread) +- gettid function (kernel tid as supported concept) +- SIGEV_THREAD_ID sigevent API (Linux extension) +- tcgetwinsize and tcsetwinsize functions (POSIX-future) + +performance: +- faster software sqrt on archs without native sqrt instruction + +compatibility: +- realpath no longer depends on procfs availability & accuracy +- time zone parser now always prefers 64-bit tables if present +- crypt_blowfish now supports $2b$ prefix +- res_query now reports errors via h_errno +- set*id and setrlimit are now safe in vforked/cloned child +- setgroups now applies to all threads +- dlopen debugger notification is improved, should work with lldb +- setrlimit no longer needs __synccall broadcast on linux 2.6.36+ +- faccessat with AT_EACCESS no longer needs child process on linux 5.8+ + +bugs fixed: +- buffer overflow and infinite loop errors in wcsnrtombs (CVE-2020-28928) +- sem_close unmapped still-referenced semaphores +- fork of process with active aio could deadlock or crash paren +- pthread_cond_wait was broken with priority-inheritance mutex +- getgrouplist wrongly failed when nscd reported an empty list +- abort could leak modified SIGABRT disposition to fork or posix_spawn child +- regression with mallocng: malloc_usable_size(0) crashed +- readlink wrongly gave EINVAL on zero length dest buffer +- sqrtl was severely inaccurate (not correctly rounded) on ldquad archs +- assert failure wrongly flushed stdio (possible deadlock) +- MUSL_LOCPATH search was broken with multiple components +- missing newline in herror output +- possible deadlock in pthread_exit with pshared mutex or barrier usage +- pthread_mutexattr_getprotocol didn't read back protocol +- v4l2 ioctl translation for pre-time64 kernels didn't work + +arch-specific bugs fixed: +- x86_64 longjmp failed to handle 0 argument reliably +- i386 __set_thread_area fallback for pre-2.6 kernels didn't work +- missing O_LARGEFILE macro value on x86_64, x32, mips64 +- unpredictable s390x breakage from failure to preserve call-saved registers + + + +1.2.3 release notes + +new features: +- qsort_r function (POSIX-future) +- pthread_getname_np extension function +- hard float on SPE FPU for powerpc-sf +- SEEK_DATA and SEEK_HOLE exposed in unistd.h (Linux extensions) + +compatibility: +- free now preserves errno (POSIX-future requirement) +- setjmp is declared explicitly with returns_twice for non-GCC compilers +- macro version of isascii is no longer defined for C++ +- dynamic linker now tolerates zero-length LOAD segments +- epoll_[p]wait is now a cancellation point +- pwd/grp functions no longer fail on systems without AF_UNIX support +- POSIX TZ parsing is stricter to allow more names to fallback to files +- NULL is now defined as nullptr when used in C++11 or later +- gettext now accepts null pointer as argument + +bugs fixed: +- old regression in wcwidth of Hangul combining (vowel/final) letters +- duplocale used wrong malloc when malloc was replaced (1.2.2 regression) +- fmaf rounded wrong on archs without FE_TOWARDZERO (all softfloat archs) +- popen didn't honor requirement not to leak other popen pipe fds to child +- aligned_alloc and variants crashed on allocation failure +- dl_iterate_phdr reported incorrect module TLS pointers +- mishandling of some inputs in acoshf and expm1f and functions using them +- potentially wrong-sign zero in cproj functions at infinity +- multiple bugs in legacy function cuserid +- minor posix_spawn file actions API conformance issues +- pthread_setname_np fd leak +- out-of-bound read in zoneinfo handling with distant-past times +- out-of-tree builds lacked generated debug cfi for x86 asm + +arch-specific bugs fixed: +- powerpc (32-bit) struct shmid_ds layout was wrong for some fields +- time64 struct layout was wrong in sound ioctl fallback (32-bit archs)