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from ea26ff0322 x86: Copy IBT and SHSTK usable only if CET is enabled new e3e3eb0a2e x86: Fix tst-cpu-features-cpuinfo on Ryzen 9 (BZ #27873) new de8995a2a0 support: Add xclone new 9a75654037 posix: Consolidate fork implementation new d0c4083386 posix: Do not clobber errno by atfork handlers new 9f70985569 Consolidate pthread_atfork

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Summary of changes: htl/Makefile | 4 +- include/unistd.h | 2 + manual/platform.texi | 12 + nptl/Makefile | 1 - posix/Makefile | 3 +- posix/{fork.c => _Fork.c} | 22 +- posix/fork.c | 122 +++++++++- support/Makefile | 1 + support/xclone.c | 50 ++++ sysdeps/htl/old_pt-atfork.c => support/xsched.h | 26 +- posix/fork.c => sysdeps/generic/fork.h | 26 +- sysdeps/htl/pt-atfork.c | 41 ---- sysdeps/htl/pthread_atfork_compat.h | 4 + sysdeps/mach/hurd/{fork.c => _Fork.c} | 21 +- sysdeps/nptl/_Fork.c | 52 ++++ sysdeps/nptl/fork.c | 264 --------------------- sysdeps/nptl/fork.h | 148 ++++++++++++ sysdeps/nptl/pthread_atfork_compat.h | 4 + sysdeps/pthread/Makefile | 4 +- {nptl => sysdeps/pthread}/pthread_atfork.c | 1 + .../pthread/pthread_atfork_compat.c | 8 +- sysdeps/unix/sysv/linux/arch-fork.h | 3 + sysdeps/x86/bits/platform/x86.h | 4 + sysdeps/x86/include/cpu-features.h | 12 + sysdeps/x86/tst-cpu-features-cpuinfo.c | 22 +- 25 files changed, 473 insertions(+), 384 deletions(-) copy posix/{fork.c => _Fork.c} (65%) create mode 100644 support/xclone.c rename sysdeps/htl/old_pt-atfork.c => support/xsched.h (62%) copy posix/fork.c => sysdeps/generic/fork.h (65%) delete mode 100644 sysdeps/htl/pt-atfork.c create mode 100644 sysdeps/htl/pthread_atfork_compat.h rename sysdeps/mach/hurd/{fork.c => _Fork.c} (98%) create mode 100644 sysdeps/nptl/_Fork.c delete mode 100644 sysdeps/nptl/fork.c create mode 100644 sysdeps/nptl/fork.h create mode 100644 sysdeps/nptl/pthread_atfork_compat.h rename {nptl => sysdeps/pthread}/pthread_atfork.c (98%) rename nptl/old_pthread_atfork.c => sysdeps/pthread/pthread_atfork_compat.c (84%)