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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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24
libc/nt/master.sh
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@ -1635,7 +1635,7 @@ imp 'FillConsoleOutputAttribute' FillConsoleOutputAttribute KernelBase 354
imp 'FillConsoleOutputCharacter' FillConsoleOutputCharacterW KernelBase 356 5
imp 'FillConsoleOutputCharacterA' FillConsoleOutputCharacterA KernelBase 355 5
imp 'FillPath' FillPath gdi32 1479
imp 'FillRect' FillRect user32 1780
imp 'FillRect' FillRect user32 1780 3
imp 'FillRgn' FillRgn gdi32 1480
imp 'FindActCtxSectionGuid' FindActCtxSectionGuid KernelBase 357
imp 'FindActCtxSectionGuidWorker' FindActCtxSectionGuidWorker kernel32 372
@ -3191,17 +3191,17 @@ imp 'LoadAlterBitmap' LoadAlterBitmap comdlg32 117
imp 'LoadAppInitDlls' LoadAppInitDlls KernelBase 971
imp 'LoadBitmapA' LoadBitmapA user32 2096
imp 'LoadBitmap' LoadBitmapW user32 2097
imp 'LoadCursorA' LoadCursorA user32 2098
imp 'LoadCursorA' LoadCursorA user32 2098 2
imp 'LoadCursorFromFileA' LoadCursorFromFileA user32 2099
imp 'LoadCursorFromFile' LoadCursorFromFileW user32 2100
imp 'LoadCursor' LoadCursorW user32 2101
imp 'LoadCursor' LoadCursorW user32 2101 2
imp 'LoadEnclaveData' LoadEnclaveData KernelBase 972
imp 'LoadEnclaveImageA' LoadEnclaveImageA KernelBase 973
imp 'LoadEnclaveImage' LoadEnclaveImageW KernelBase 974
imp 'LoadIcon' LoadIconW user32 2103 2
imp 'LoadIconA' LoadIconA user32 2102 2
imp 'LoadImageA' LoadImageA user32 2104
imp 'LoadImage' LoadImageW user32 2105
imp 'LoadImageA' LoadImageA user32 2104 6
imp 'LoadImage' LoadImageW user32 2105 6
imp 'LoadKeyboardLayoutA' LoadKeyboardLayoutA user32 2106
imp 'LoadKeyboardLayoutEx' LoadKeyboardLayoutEx user32 2107
imp 'LoadKeyboardLayout' LoadKeyboardLayoutW user32 2108
@ -3996,6 +3996,8 @@ imp 'NtWriteFileGather' NtWriteFileGather ntdll 656
imp 'NtWriteRequestData' NtWriteRequestData ntdll 657
imp 'NtWriteVirtualMemory' NtWriteVirtualMemory ntdll 658 5
imp 'NtYieldExecution' NtYieldExecution ntdll 659 0
imp 'DefWindowProcA' DefWindowProcA user32 173 4
imp 'DefWindowProc' DefWindowProcW user32 174 4
imp 'NtdllDefWindowProc_A' NtdllDefWindowProc_A ntdll 660
imp 'NtdllDefWindowProc_W' NtdllDefWindowProc_W ntdll 661
imp 'NtdllDialogWndProc_A' NtdllDialogWndProc_A ntdll 662
@ -4644,10 +4646,10 @@ imp 'RegisterApplicationRecoveryCallback' RegisterApplicationRecoveryCallback
imp 'RegisterApplicationRestart' RegisterApplicationRestart kernel32 1185
imp 'RegisterBSDRWindow' RegisterBSDRWindow user32 2247
imp 'RegisterBadMemoryNotification' RegisterBadMemoryNotification KernelBase 1384
imp 'RegisterClassA' RegisterClassA user32 2248
imp 'RegisterClassExA' RegisterClassExA user32 2249
imp 'RegisterClassEx' RegisterClassExW user32 2250
imp 'RegisterClass' RegisterClassW user32 2251
imp 'RegisterClassA' RegisterClassA user32 2248 1
imp 'RegisterClassExA' RegisterClassExA user32 2249 1
imp 'RegisterClassEx' RegisterClassExW user32 2250 1
imp 'RegisterClass' RegisterClassW user32 2251 1
imp 'RegisterClipboardFormatA' RegisterClipboardFormatA user32 2252
imp 'RegisterClipboardFormat' RegisterClipboardFormatW user32 2253
imp 'RegisterConsoleIME' RegisterConsoleIME kernel32 1187
@ -6482,9 +6484,9 @@ imp 'ShipAssert' ShipAssert ntdll 1612
imp 'ShipAssertGetBufferInfo' ShipAssertGetBufferInfo ntdll 1613
imp 'ShipAssertMsgA' ShipAssertMsgA ntdll 1614
imp 'ShipAssertMsg' ShipAssertMsgW ntdll 1615
imp 'ShowCaret' ShowCaret user32 2411
imp 'ShowCaret' ShowCaret user32 2411 1
imp 'ShowConsoleCursor' ShowConsoleCursor kernel32 1409
imp 'ShowCursor' ShowCursor user32 2412
imp 'ShowCursor' ShowCursor user32 2412 1
imp 'ShowOwnedPopups' ShowOwnedPopups user32 2413
imp 'ShowScrollBar' ShowScrollBar user32 2414
imp 'ShowStartGlass' ShowStartGlass user32 2415