From 73cc775bee53300c7cf759f37580220b18ac13d3 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 4 Aug 2020 00:21:09 -0400 Subject: release 1.2.1 --- WHATSNEW | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'WHATSNEW') diff --git a/WHATSNEW b/WHATSNEW index ecf0ceba..d9826fc0 100644 --- a/WHATSNEW +++ b/WHATSNEW @@ -2200,3 +2200,39 @@ arch-specific bugs fixed: - arm dynamic linker chose wrong tls/atomic variants since 1.1.21 - some math library functions returned excess precision on i386 - unconfirmed regression in fchmodat AT_SYMLINK_NOFOLLOW on mips* + + + +1.2.1 release notes + +major changes: +- new malloc implementation (mallocng & overhauled bump allocator) + +new features: +- DNS queries via res_* now set AD flag, report zone signedness (DNSSEC) +- PTHREAD_NULL macro (POSIX-future) + +performance: +- optimized memcpy and memset for aarch64 +- optimized memcpy for arm now supports big endian +- optimized x86_64 remquol +- improved strerror without linear search + +bugs fixed: +- lock-skipping for processes that returned to single-threaded was wrong +- AF_UNSPEC dns lookups mishandled single failure in paired A+AAAA +- res_send and res_query returned wrong value on errors from nameserver +- corrupted sysvipc timestamps on 32-bit archs with old kernels +- incorrect parsing of timezone offsets after overly-long zone name +- clock_adjtime was broken on 32-bit archs (time64) +- pthread_kill as not async-signal-safe +- pthread_cancel was not async-cancel-safe +- large-ulp errors in various math functions in non-default rounding modes + +arch-specific bugs fixed: +- arm clock_gettime was broken on some hw due to bad time64 vdso +- m68k sqrtl lacked long double precision +- mips* syscall mechanism regressions on older kernels +- mips* had negated error codes for some syscalls (kernel bug) +- mips* SIGEMT was wrongly called SIGSTKFLT +- sh fesetround didn't work correctly on sh -- cgit 1.4.1