GNU C Library 2.42 "glibc 2.42" is now available for this widely-used C library by Linux and other operating systems. Some of the highlights in today's Glibc 2.42 release include:
- Continued to implement additional ISO C23 functionality.
- Working on some early C2Y features, such as the uabs / ulabs / ullabs / uimaxabs unsigned abs functions.
- Glibc 2.42 on Linux now introduces the pthread_gettid_np function.
- The thread-local cache in malloc now supports caching of large blocks.
- When built with the new "--enable-sframe" option, SFrame stack tracking support can be enabled .
- FMA optimizations for Glibc's hyperbolic functions .
- Additional optimized math functions have been imported from CORE-MATH. The now better optimized functions are for acospif, asinpif, atanpif, atan2pif, cospif, sinpif, and tanpif.
- Glibc 2.42 now has built-in detection for Intel's Arrow Lake, Panther Lake, Clearwater Forest, and Diamond Rapids processors.
- Support for the IBM z17 platform.
- Various security and bug fixes.
More details on today's GNU C Library 2.42 release and all of the changes via sourceware.org .