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Get fork() working on Windows

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This is done without using Microsoft's internal APIs. MAP_PRIVATE
mappings are copied to the subprocess via a pipe, since Microsoft
doesn't want us to have proper COW pages. MAP_SHARED mappings are
remapped without needing to do any copying. Global variables need
copying along with the stack and the whole heap of anonymous mem.
This actually improves the reliability of the redbean http server
although one shouldn't expect 10k+ connections on a home computer
that isn't running software built to serve like Linux or FreeBSD.
This commit is contained in:
Justine Tunney 2020-11-13 01:27:49 -08:00
parent aea89fe832
commit db33973e0a
105 changed files with 1476 additions and 912 deletions
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4
libc/isystem/windows.h
View file

@ -69,9 +69,9 @@
#define PINT_PTR intptr_t*
#define UINT_PTR uintptr_t
#define PUINT_PTR uintptr_t*
#define LONG_PTR int32_t*
#define LONG_PTR intptr_t
#define PLONG_PTR int32_t**
#define ULONG_PTR uint32_t*
#define ULONG_PTR uintptr_t
#define PULONG_PTR uint32_t**
#define POINTER_64_INT int64_t*
#define __int3264 int64_t