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from 9fa22dba5 Cygwin: unlink: allow fallback from POSIX to default method new 2678c4efe dll_list: Store dll file name as full NT path. new dac0b6826 dll_list: Track main executable and cygwin1.dll. new 8ddb1f60c forkables: Create forkable hardlinks, yet unused. new ece7282f3 forkables: On fork failure, retry with hardlinks. new 5a41aa6f4 forkables: Keep hardlinks disabled via shared mem. new 6dd415caf forkables: Document hardlink creation at forktime. new 8bbb3d3a2 forkables: use dynloaded dll's IndexNumber as dirname new 135577f70 forkables: simplify disabling via shm new 22d68bada forkables: inline dll_list::forkables_supported new 3956ddd9b forkables: hardlink without WRITE_ATTRIBUTES first new 6d6a623e7 AArch32: Add support for HLT to Mixed Mode models

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Summary of changes: libgloss/arm/crt0.S | 6 +- libgloss/arm/swi.h | 14 +- winsup/cygwin/Makefile.in | 1 + winsup/cygwin/child_info.h | 13 +- winsup/cygwin/cygheap.cc | 3 +- winsup/cygwin/dcrt0.cc | 4 +- winsup/cygwin/dlfcn.cc | 2 +- winsup/cygwin/dll_init.cc | 278 +++++++++--- winsup/cygwin/dll_init.h | 74 +++- winsup/cygwin/fork.cc | 94 ++-- winsup/cygwin/forkable.cc | 1032 +++++++++++++++++++++++++++++++++++++++++++ winsup/cygwin/pinfo.cc | 3 + winsup/cygwin/shared.cc | 1 + winsup/cygwin/shared_info.h | 3 +- winsup/cygwin/sigproc.cc | 5 +- winsup/cygwin/syscalls.cc | 24 +- winsup/cygwin/winsup.h | 2 +- winsup/doc/faq-api.xml | 5 + winsup/doc/highlights.xml | 41 ++ 19 files changed, 1496 insertions(+), 109 deletions(-) create mode 100644 winsup/cygwin/forkable.cc