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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
Download patch file Download diff file Expand all files Collapse all files

323
libc/nt/windows.h
View file

@ -1,5 +1,7 @@
#ifndef COSMOPOLITAN_LIBC_NT_WINDOWS_H_
#define COSMOPOLITAN_LIBC_NT_WINDOWS_H_
#include "libc/nt/struct/rect.h"
#include "libc/nt/struct/wndclass.h"
#include "libc/nt/typedef/timerproc.h"
#if 0
/* ░░░░
@ -27,322 +29,25 @@
│ cosmopolitan § new technology » windows ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#endif
#define NT_WM_NULL 0x0000
#define NT_WM_CREATE 0x0001
#define NT_WM_DESTROY 0x0002
#define NT_WM_MOVE 0x0003
#define NT_WM_SIZE 0x0005
#define NT_WM_ACTIVATE 0x0006
#define NT_WA_INACTIVE 0
#define NT_WA_ACTIVE 1
#define NT_WA_CLICKACTIVE 2
#define NT_WM_SETFOCUS 0x0007
#define NT_WM_KILLFOCUS 0x0008
#define NT_WM_ENABLE 0x000A
#define NT_WM_SETREDRAW 0x000B
#define NT_WM_SETTEXT 0x000C
#define NT_WM_GETTEXT 0x000D
#define NT_WM_GETTEXTLENGTH 0x000E
#define NT_WM_PAINT 0x000F
#define NT_WM_CLOSE 0x0010
#define NT_WM_QUIT 0x0012
#define NT_WM_ERASEBKGND 0x0014
#define NT_WM_SYSCOLORCHANGE 0x0015
#define NT_WM_SHOWWINDOW 0x0018
#define NT_WM_WININICHANGE 0x001A
#define NT_WM_SETTINGCHANGE WM_WININICHANGE
#define NT_WM_DEVMODECHANGE 0x001B
#define NT_WM_ACTIVATEAPP 0x001C
#define NT_WM_FONTCHANGE 0x001D
#define NT_WM_TIMECHANGE 0x001E
#define NT_WM_CANCELMODE 0x001F
#define NT_WM_SETCURSOR 0x0020
#define NT_WM_MOUSEACTIVATE 0x0021
#define NT_WM_CHILDACTIVATE 0x0022
#define NT_WM_QUEUESYNC 0x0023
#define NT_WM_GETMINMAXINFO 0x0024
#define NT_WS_OVERLAPPED 0x00000000
#define NT_WS_POPUP 0x80000000
#define NT_WS_CHILD 0x40000000
#define NT_WS_MINIMIZE 0x20000000
#define NT_WS_VISIBLE 0x10000000
#define NT_WS_DISABLED 0x08000000
#define NT_WS_CLIPSIBLINGS 0x04000000
#define NT_WS_CLIPCHILDREN 0x02000000
#define NT_WS_MAXIMIZE 0x01000000
#define NT_WS_CAPTION 0x00C00000
#define NT_WS_BORDER 0x00800000
#define NT_WS_DLGFRAME 0x00400000
#define NT_WS_VSCROLL 0x00200000
#define NT_WS_HSCROLL 0x00100000
#define NT_WS_SYSMENU 0x00080000
#define NT_WS_THICKFRAME 0x00040000
#define NT_WS_GROUP 0x00020000
#define NT_WS_TABSTOP 0x00010000
#define NT_WS_MINIMIZEBOX 0x00020000
#define NT_WS_MAXIMIZEBOX 0x00010000
#define NT_WS_TILED WS_OVERLAPPED
#define NT_WS_ICONIC WS_MINIMIZE
#define NT_WS_SIZEBOX WS_THICKFRAME
#define NT_WS_TILEDWINDOW WS_OVERLAPPEDWINDOW
#define NT_WS_OVERLAPPEDWINDOW \
(WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | \
WS_MAXIMIZEBOX)
#define NT_WS_POPUPWINDOW (WS_POPUP | WS_BORDER | WS_SYSMENU)
#define NT_WS_CHILDWINDOW (WS_CHILD)
#define NT_WS_EX_DLGMODALFRAME 0x00000001
#define NT_WS_EX_NOPARENTNOTIFY 0x00000004
#define NT_WS_EX_TOPMOST 0x00000008
#define NT_WS_EX_ACCEPTFILES 0x00000010
#define NT_WS_EX_TRANSPARENT 0x00000020
#define NT_WS_EX_MDICHILD 0x00000040
#define NT_WS_EX_TOOLWINDOW 0x00000080
#define NT_WS_EX_WINDOWEDGE 0x00000100
#define NT_WS_EX_CLIENTEDGE 0x00000200
#define NT_WS_EX_CONTEXTHELP 0x00000400
#define NT_WS_EX_RIGHT 0x00001000
#define NT_WS_EX_LEFT 0x00000000
#define NT_WS_EX_RTLREADING 0x00002000
#define NT_WS_EX_LTRREADING 0x00000000
#define NT_WS_EX_LEFTSCROLLBAR 0x00004000
#define NT_WS_EX_RIGHTSCROLLBAR 0x00000000
#define NT_WS_EX_CONTROLPARENT 0x00010000
#define NT_WS_EX_STATICEDGE 0x00020000
#define NT_WS_EX_APPWINDOW 0x00040000
#define NT_WS_EX_OVERLAPPEDWINDOW (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE)
#define NT_WS_EX_PALETTEWINDOW \
(WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST)
#define NT_WS_EX_LAYERED 0x00080000
#define NT_WS_EX_NOINHERITLAYOUT 0x00100000
#define NT_WS_EX_LAYOUTRTL 0x00400000
#define NT_WS_EX_COMPOSITED 0x02000000
#define NT_WS_EX_NOACTIVATE 0x08000000
#define NT_CS_VREDRAW 0x0001
#define NT_CS_HREDRAW 0x0002
#define NT_CS_DBLCLKS 0x0008
#define NT_CS_OWNDC 0x0020
#define NT_CS_CLASSDC 0x0040
#define NT_CS_PARENTDC 0x0080
#define NT_CS_NOCLOSE 0x0200
#define NT_CS_SAVEBITS 0x0800
#define NT_CS_BYTEALIGNCLIENT 0x1000
#define NT_CS_BYTEALIGNWINDOW 0x2000
#define NT_CS_GLOBALCLASS 0x4000
#define NT_CS_IME 0x00010000
#define NT_CS_DROPSHADOW 0x00020000
#define NT_SWP_NOSIZE 0x0001
#define NT_SWP_NOMOVE 0x0002
#define NT_SWP_NOZORDER 0x0004
#define NT_SWP_NOREDRAW 0x0008
#define NT_SWP_NOACTIVATE 0x0010
#define NT_SWP_FRAMECHANGED 0x0020
#define NT_SWP_SHOWWINDOW 0x0040
#define NT_SWP_HIDEWINDOW 0x0080
#define NT_SWP_NOCOPYBITS 0x0100
#define NT_SWP_NOOWNERZORDER 0x0200
#define NT_SWP_NOSENDCHANGING 0x0400
#define NT_SWP_DRAWFRAME SWP_FRAMECHANGED
#define NT_SWP_NOREPOSITION SWP_NOOWNERZORDER
#define NT_SWP_DEFERERASE 0x2000
#define NT_SWP_ASYNCWINDOWPOS 0x4000
#define NT_RI_MOUSE_LEFT_BUTTON_DOWN 0x0001
#define NT_RI_MOUSE_LEFT_BUTTON_UP 0x0002
#define NT_RI_MOUSE_RIGHT_BUTTON_DOWN 0x0004
#define NT_RI_MOUSE_RIGHT_BUTTON_UP 0x0008
#define NT_RI_MOUSE_MIDDLE_BUTTON_DOWN 0x0010
#define NT_RI_MOUSE_MIDDLE_BUTTON_UP 0x0020
#define NT_RI_MOUSE_BUTTON_1_DOWN RI_MOUSE_LEFT_BUTTON_DOWN
#define NT_RI_MOUSE_BUTTON_1_UP RI_MOUSE_LEFT_BUTTON_UP
#define NT_RI_MOUSE_BUTTON_2_DOWN RI_MOUSE_RIGHT_BUTTON_DOWN
#define NT_RI_MOUSE_BUTTON_2_UP RI_MOUSE_RIGHT_BUTTON_UP
#define NT_RI_MOUSE_BUTTON_3_DOWN RI_MOUSE_MIDDLE_BUTTON_DOWN
#define NT_RI_MOUSE_BUTTON_3_UP RI_MOUSE_MIDDLE_BUTTON_UP
#define NT_RI_MOUSE_BUTTON_4_DOWN 0x0040
#define NT_RI_MOUSE_BUTTON_4_UP 0x0080
#define NT_RI_MOUSE_BUTTON_5_DOWN 0x0100
#define NT_RI_MOUSE_BUTTON_5_UP 0x0200
#define NT_RI_MOUSE_WHEEL 0x0400
#define NT_MOUSE_MOVE_RELATIVE 0
#define NT_MOUSE_MOVE_ABSOLUTE 1
#define NT_MOUSE_VIRTUAL_DESKTOP 0x02
#define NT_MOUSE_ATTRIBUTES_CHANGED 0x04
#define NT_STATE_SYSTEM_UNAVAILABLE 0x00000001
#define NT_STATE_SYSTEM_SELECTED 0x00000002
#define NT_STATE_SYSTEM_FOCUSED 0x00000004
#define NT_STATE_SYSTEM_PRESSED 0x00000008
#define NT_STATE_SYSTEM_CHECKED 0x00000010
#define NT_STATE_SYSTEM_MIXED 0x00000020
#define NT_STATE_SYSTEM_INDETERMINATE STATE_SYSTEM_MIXED
#define NT_STATE_SYSTEM_READONLY 0x00000040
#define NT_STATE_SYSTEM_HOTTRACKED 0x00000080
#define NT_STATE_SYSTEM_DEFAULT 0x00000100
#define NT_STATE_SYSTEM_EXPANDED 0x00000200
#define NT_STATE_SYSTEM_COLLAPSED 0x00000400
#define NT_STATE_SYSTEM_BUSY 0x00000800
#define NT_STATE_SYSTEM_FLOATING 0x00001000
#define NT_STATE_SYSTEM_MARQUEED 0x00002000
#define NT_STATE_SYSTEM_ANIMATED 0x00004000
#define NT_STATE_SYSTEM_INVISIBLE 0x00008000
#define NT_STATE_SYSTEM_OFFSCREEN 0x00010000
#define NT_STATE_SYSTEM_SIZEABLE 0x00020000
#define NT_STATE_SYSTEM_MOVEABLE 0x00040000
#define NT_STATE_SYSTEM_SELFVOICING 0x00080000
#define NT_STATE_SYSTEM_FOCUSABLE 0x00100000
#define NT_STATE_SYSTEM_SELECTABLE 0x00200000
#define NT_STATE_SYSTEM_LINKED 0x00400000
#define NT_STATE_SYSTEM_TRAVERSED 0x00800000
#define NT_STATE_SYSTEM_MULTISELECTABLE 0x01000000
#define NT_STATE_SYSTEM_EXTSELECTABLE 0x02000000
#define NT_STATE_SYSTEM_ALERT_LOW 0x04000000
#define NT_STATE_SYSTEM_ALERT_MEDIUM 0x08000000
#define NT_STATE_SYSTEM_ALERT_HIGH 0x10000000
#define NT_STATE_SYSTEM_PROTECTED 0x20000000
#define NT_STATE_SYSTEM_VALID 0x3FFFFFFF
#define NT_IDH_NO_HELP 28440
#define NT_IDH_MISSING_CONTEXT 28441
#define NT_IDH_GENERIC_HELP_BUTTON 28442
#define NT_IDH_OK 28443
#define NT_IDH_CANCEL 28444
#define NT_IDH_HELP 28445
#define NT_SS_LEFT 0x00000000
#define NT_SS_CENTER 0x00000001
#define NT_SS_RIGHT 0x00000002
#define NT_SS_ICON 0x00000003
#define NT_SS_BLACKRECT 0x00000004
#define NT_SS_GRAYRECT 0x00000005
#define NT_SS_WHITERECT 0x00000006
#define NT_SS_BLACKFRAME 0x00000007
#define NT_SS_GRAYFRAME 0x00000008
#define NT_SS_WHITEFRAME 0x00000009
#define NT_SS_USERITEM 0x0000000A
#define NT_SS_SIMPLE 0x0000000B
#define NT_SS_LEFTNOWORDWRAP 0x0000000C
#define NT_SS_OWNERDRAW 0x0000000D
#define NT_SS_BITMAP 0x0000000E
#define NT_SS_ENHMETAFILE 0x0000000F
#define NT_SS_ETCHEDHORZ 0x00000010
#define NT_SS_ETCHEDVERT 0x00000011
#define NT_SS_ETCHEDFRAME 0x00000012
#define NT_SS_TYPEMASK 0x0000001F
#define NT_SS_REALSIZECONTROL 0x00000040
#define NT_SS_NOPREFIX 0x00000080
#define NT_SS_NOTIFY 0x00000100
#define NT_SS_CENTERIMAGE 0x00000200
#define NT_SS_RIGHTJUST 0x00000400
#define NT_SS_REALSIZEIMAGE 0x00000800
#define NT_SS_SUNKEN 0x00001000
#define NT_SS_EDITCONTROL 0x00002000
#define NT_SS_ENDELLIPSIS 0x00004000
#define NT_SS_PATHELLIPSIS 0x00008000
#define NT_SS_WORDELLIPSIS 0x0000C000
#define NT_SS_ELLIPSISMASK 0x0000C000
#define NT_BST_UNCHECKED 0x0000
#define NT_BST_CHECKED 0x0001
#define NT_BST_INDETERMINATE 0x0002
#define NT_BST_PUSHED 0x0004
#define NT_BST_FOCUS 0x0008
#define NT_BS_PUSHBUTTON 0x00000000
#define NT_BS_DEFPUSHBUTTON 0x00000001
#define NT_BS_CHECKBOX 0x00000002
#define NT_BS_AUTOCHECKBOX 0x00000003
#define NT_BS_RADIOBUTTON 0x00000004
#define NT_BS_3STATE 0x00000005
#define NT_BS_AUTO3STATE 0x00000006
#define NT_BS_GROUPBOX 0x00000007
#define NT_BS_USERBUTTON 0x00000008
#define NT_BS_AUTORADIOBUTTON 0x00000009
#define NT_BS_PUSHBOX 0x0000000A
#define NT_BS_OWNERDRAW 0x0000000B
#define NT_BS_TYPEMASK 0x0000000F
#define NT_BS_LEFTTEXT 0x00000020
#define NT_BS_TEXT 0x00000000
#define NT_BS_ICON 0x00000040
#define NT_BS_BITMAP 0x00000080
#define NT_BS_LEFT 0x00000100
#define NT_BS_RIGHT 0x00000200
#define NT_BS_CENTER 0x00000300
#define NT_BS_TOP 0x00000400
#define NT_BS_BOTTOM 0x00000800
#define NT_BS_VCENTER 0x00000C00
#define NT_BS_PUSHLIKE 0x00001000
#define NT_BS_MULTILINE 0x00002000
#define NT_BS_NOTIFY 0x00004000
#define NT_BS_FLAT 0x00008000
#define NT_BS_RIGHTBUTTON BS_LEFTTEXT
#define NT_BN_CLICKED 0
#define NT_BN_PAINT 1
#define NT_BN_HILITE 2
#define NT_BN_UNHILITE 3
#define NT_BN_DISABLE 4
#define NT_BN_DOUBLECLICKED 5
#define NT_BN_PUSHED BN_HILITE
#define NT_BN_UNPUSHED BN_UNHILITE
#define NT_BN_DBLCLK BN_DOUBLECLICKED
#define NT_BN_SETFOCUS 6
#define NT_BN_KILLFOCUS 7
#define NT_BM_GETCHECK 0x00F0
#define NT_BM_SETCHECK 0x00F1
#define NT_BM_GETSTATE 0x00F2
#define NT_BM_SETSTATE 0x00F3
#define NT_BM_SETSTYLE 0x00F4
#define NT_BM_CLICK 0x00F5
#define NT_BM_GETIMAGE 0x00F6
#define NT_BM_SETIMAGE 0x00F7
#define NT_GUI_CARETBLINKING 0x00000001
#define NT_GUI_INMOVESIZE 0x00000002
#define NT_GUI_INMENUMODE 0x00000004
#define NT_GUI_SYSTEMMENUMODE 0x00000008
#define NT_GUI_POPUPMENUMODE 0x00000010
#define NT_GUI_16BITTASK 0x00000020
#define NT_ALERT_SYSTEM_INFORMATIONAL 1
#define NT_ALERT_SYSTEM_WARNING 2
#define NT_ALERT_SYSTEM_ERROR 3
#define NT_ALERT_SYSTEM_QUERY 4
#define NT_ALERT_SYSTEM_CRITICAL 5
#define NT_SOUND_SYSTEM_STARTUP 1
#define NT_SOUND_SYSTEM_SHUTDOWN 2
#define NT_SOUND_SYSTEM_BEEP 3
#define NT_SOUND_SYSTEM_ERROR 4
#define NT_SOUND_SYSTEM_QUESTION 5
#define NT_SOUND_SYSTEM_WARNING 6
#define NT_SOUND_SYSTEM_INFORMATION 7
#define NT_SOUND_SYSTEM_MAXIMIZE 8
#define NT_SOUND_SYSTEM_MINIMIZE 9
#define NT_SOUND_SYSTEM_RESTOREUP 10
#define NT_SOUND_SYSTEM_RESTOREDOWN 11
#define NT_SOUND_SYSTEM_APPSTART 12
#define NT_SOUND_SYSTEM_FAULT 13
#define NT_SOUND_SYSTEM_APPEND 14
#define NT_SOUND_SYSTEM_MENUCOMMAND 15
#define NT_SOUND_SYSTEM_MENUPOPUP 16
#define NT_CSOUND_SYSTEM 16
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
int64_t CreateWindowEx(uint32_t dwExStyle, const char16_t *lpClassName,
const char16_t *lpWindowName, uint32_t dwStyle, int X,
int Y, int nWidth, int nHeight, int64_t hWndParent,
int64_t hMenu, int64_t hInstance, void *lpParam);
int64_t hMenu, int64_t hInstance, int64_t lpParam);
uint16_t RegisterClass(const struct NtWndClass *lpWndClass);
int64_t DefWindowProc(int64_t hWnd, uint32_t Msg, uint64_t wParam,
int64_t lParam);
int32_t CloseWindow(int64_t hWnd);
int32_t DestroyWindow(int64_t hWnd);
int32_t ShowWindow(int64_t hWnd, int nCmdShow);
int32_t ShowWindow(int64_t hWnd, int sw);
int32_t ShowCursor(bool32 bShow);
int64_t LoadCursor(int64_t opt_hInstance, const char16_t *lpCursorNameOrIdc);
int32_t ShowCaret(bool32 bShow);
int32_t AnimateWindow(int64_t hWnd, uint32_t dwTime, uint32_t dwFlags);
int64_t LoadIcon(int64_t hInstance, const char16_t *lpIconName);
int32_t IsWindow(int64_t hWnd);
@ -360,7 +65,7 @@ int32_t SetWindowPos(int64_t hWnd, int64_t hWndInsertAfter, int X, int Y,
uintptr_t SetTimer(int64_t opt_hWnd, uintptr_t nIDEvent, uint32_t uElapseMs,
NtTimerProc lpTimerFunc);
int KillTimer(int64_t hWnd, uintptr_t uIDEvent);
int32_t KillTimer(int64_t hWnd, uintptr_t uIDEvent);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */