What's new: ----------- - strftime(3) supports %s (seconds since Epoch) now. - posix_madvise(POSIX_MADV_WILLNEED) now utilizes OS functionality available starting with Windows 8/Server 2012. Still a no-op on older systems. - posix_madvise(POSIX_MADV_DONTNEED) now utilizes OS functionality available starting with Windows 8.1/Server 2012R2. Still a no-op on older systems. - sysconf() now supports returning CPU cache information: _SC_LEVEL1_ICACHE_SIZE, _SC_LEVEL1_ICACHE_ASSOC, _SC_LEVEL1_ICACHE_LINESIZE, _SC_LEVEL1_DCACHE_SIZE, _SC_LEVEL1_DCACHE_ASSOC, _SC_LEVEL1_DCACHE_LINESIZE, _SC_LEVEL2_CACHE_SIZE, _SC_LEVEL2_CACHE_ASSOC, _SC_LEVEL2_CACHE_LINESIZE, _SC_LEVEL3_CACHE_SIZE, _SC_LEVEL3_CACHE_ASSOC, _SC_LEVEL3_CACHE_LINESIZE, _SC_LEVEL4_CACHE_SIZE, _SC_LEVEL4_CACHE_ASSOC, _SC_LEVEL4_CACHE_LINESIZE - New API: aligned_alloc, at_quick_exit, quick_exit. What changed: ------------- Bug Fixes --------- - Fix a hang when stracing a forking or spawning process without activating stracing of child processes. Addresses: https://cygwin.com/ml/cygwin/2015-08/msg00390.html - Fix long-standing potential SEGV on 32 bit Cygwin when the dynamic loader for OS functions fails to load a function on Windows 7 or later. Addresses: No actual bug report known. - sysconf _SC_NPROCESSORS_CONF and _SC_NPROCESSORS_ONLN now handle more than 64 CPUs on Windows 7 and later. - Fix a potential crash in advisory file locking due to usage of stack space out of scope. Addresses: https://cygwin.com/ml/cygwin/2015-09/msg00079.html - Fix EIO error accessing certain (OS X SMB?) drives Addresses: https://cygwin.com/ml/cygwin/2015-09/msg00229.html - Fix memory leak in calls to pthread_getattr_np. - Fix output of /proc//winexename. - Avoid SEGV when handling SIDs with 0 subauthorities. Addresses: https://cygwin.com/ml/cygwin/2015-10/msg00141.html