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What's new:
-----------
- New APIs: clearenv, pthread_tryjoin_np, pthread_timedjoin_np,
sched_getcpu.
- New APIs: aio_cancel, aio_error, aio_fsync, aio_read, aio_return,
aio_suspend, aio_write, lio_listio.
New header: <aio.h>.
What changed:
-------------
- SO_RCVTIMEO and SO_SNDTIMEO socket options are now honored.
- /proc/cpuinfo now reports L3 cache size on Intel CPUs.
- Drop denormal-operand exception from FE_ALL_EXCEPT, as on Linux.
- Rename the --file option of setfacl(1) to --set-file, as on Linux.
- Support Unicode 10.
- Following glibc, `union wait' has now been removed. Applications
using union wait and these macros will have to migrate to the
POSIX-specified int status type.
Bug Fixes
---------
- Fix utils path handling in case cygdrive path is just '/'.
Addresses: https://cygwin.com/ml/cygwin/2018-02/msg00174.html
- Fix a potential SIGFPE in strtod, if FE_INVALID exceptions are
enabled.
Addresses: https://cygwin.com/ml/cygwin/2018-04/msg00055.html
- Fix a CPU affinity problem when creating /proc/cpuinfo output.
Addresses: https://cygwin.com/ml/cygwin/2018-04/msg00118.html
- Fix a buffer underrun problem in Win32 path normalization.
Addresses: https://cygwin.com/ml/cygwin/2018-05//msg00017.html
- Fix a stack alignment problem which may lead to spurious crashes after
fork.
Addresses: https://cygwin.com/ml/cygwin-patches/2018-q2/msg00016.html
- Fix a g++ compilation problem with -std=c++14 or -std=c++17.
Addresses: https://cygwin.com/ml/cygwin/2018-05/msg00316.html
- Fix FPE flag handling for division by zero conditions
Addresses: https://cygwin.com/ml/cygwin/2018-06/msg00281.html
- Fix Unicode table.
Addresses: https://cygwin.com/ml/cygwin/2018-06/msg00248.html
- Handle a non-standard return value from some tape drives to
report a "no-media" error.
Addresses: https://cygwin.com/ml/cygwin/2018-06/msg00245.html
- Fix duration handling in sigtimedwait
Addresses: https://cygwin.com/ml/cygwin-patches/2018-q3/msg00018.html
- Make FP environment symbols available on x86_64.
Addresses: https://cygwin.com/ml/cygwin/2018-07/msg00183.html
- Fix fegetenv behaviour.
Addresses: https://cygwin.com/ml/cygwin/2018-08/msg00000.html
- Fix NaN handling in strtof/strtod/strtold.
Addresses: https://cygwin.com/ml/cygwin/2018-08/msg00150.html
- Fix memory allocation values in /proc/<PID>/status and /proc/<PID>/statm.
Addresses: https://cygwin.com/ml/cygwin/2018-08/msg00223.html
- Fix handling of unknown accounts in file ACLs. Add name->SID
conversion for (most) self-constructed account names.
Addresses: https://cygwin.com/ml/cygwin/2018-08/msg00295.html
- Correctly handle Logon Session accounts on Windows 10.
Addresses: Found during debugging
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