X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fnode-pty%2Fdeps%2Fwinpty%2Fmisc%2FVeryLargeRead.cc;fp=node_modules%2Fnode-pty%2Fdeps%2Fwinpty%2Fmisc%2FVeryLargeRead.cc;h=0000000000000000000000000000000000000000;hp=58f0897022e17a3934db164640389e369ab574b4;hb=5e96dd57ddd883604e87f62bdddcb111c63a6e1a;hpb=acb5f682a2b75b972710cabd81658f63071324b0

diff --git a/node_modules/node-pty/deps/winpty/misc/VeryLargeRead.cc b/node_modules/node-pty/deps/winpty/misc/VeryLargeRead.cc
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--- a/node_modules/node-pty/deps/winpty/misc/VeryLargeRead.cc
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-//
-// 2015-09-25
-// I measured these limits on the size of a single ReadConsoleOutputW call.
-// The limit seems to more-or-less disppear with Windows 8, which is the first
-// OS to stop using ALPCs for console I/O.  My guess is that the new I/O
-// method does not use the 64KiB shared memory buffer that the ALPC method
-// uses.
-//
-// I'm guessing the remaining difference between Windows 8/8.1 and Windows 10
-// might be related to the 32-vs-64-bitness.
-//
-// Client OSs
-//
-// Windows XP 32-bit VM ==> up to 13304 characters
-//  - 13304x1 works, but 13305x1 fails instantly
-// Windows 7 32-bit VM ==> between 16-17 thousand characters
-//  - 16000x1 works, 17000x1 fails instantly
-//  - 163x100 *crashes* conhost.exe but leaves VeryLargeRead.exe running
-// Windows 8 32-bit VM ==> between 240-250 million characters
-//  - 10000x24000 works, but 10000x25000 does not
-// Windows 8.1 32-bit VM ==> between 240-250 million characters
-//  - 10000x24000 works, but 10000x25000 does not
-// Windows 10 64-bit VM ==> no limit (tested to 576 million characters)
-//  - 24000x24000 works
-//  - `ver` reports [Version 10.0.10240], conhost.exe and ConhostV1.dll are
-//    10.0.10240.16384 for file and product version.  ConhostV2.dll is
-//    10.0.10240.16391 for file and product version.
-//
-// Server OSs
-//
-// Windows Server 2008 64-bit VM ==> 14300-14400 characters
-//  - 14300x1 works, 14400x1 fails instantly
-//  - This OS does not have conhost.exe.
-//  - `ver` reports [Version 6.0.6002]
-// Windows Server 2008 R2 64-bit VM ==> 15600-15700 characters
-//  - 15600x1 works, 15700x1 fails instantly
-//  - This OS has conhost.exe, and procexp.exe reveals console ALPC ports in
-//    use in conhost.exe.
-//  - `ver` reports [Version 6.1.7601], conhost.exe is 6.1.7601.23153 for file
-//    and product version.
-// Windows Server 2012 64-bit VM ==> at least 100 million characters
-//  - 10000x10000 works (VM had only 1GiB of RAM, so I skipped larger tests)
-//  - This OS has Windows 8's task manager and procexp.exe reveals the same
-//    lack of ALPC ports and the same \Device\ConDrv\* files as Windows 8.
-//  - `ver` reports [Version 6.2.9200], conhost.exe is 6.2.9200.16579 for file
-//    and product version.
-//
-// To summarize:
-//
-// client-OS    server-OS               notes
-// ---------------------------------------------------------------------------
-// XP           Server 2008             CSRSS, small reads
-// 7            Server 2008 R2          ALPC-to-conhost, small reads
-// 8, 8.1       Server 2012             new I/O interface, large reads allowed
-// 10           <no server OS yet>      enhanced console w/rewrapping
-//
-// (Presumably, Win2K, Vista, and Win2K3 behave the same as XP.  conhost.exe
-// was announced as a Win7 feature.)
-//
-
-#include <windows.h>
-#include <assert.h>
-#include <vector>
-
-#include "TestUtil.cc"
-
-int main(int argc, char *argv[]) {
-    long long width = 9000;
-    long long height = 9000;
-
-    assert(argc >= 1);
-    if (argc == 4) {
-        width = atoi(argv[2]);
-        height = atoi(argv[3]);
-    } else {
-        if (argc == 3) {
-            width = atoi(argv[1]);
-            height = atoi(argv[2]);
-        }
-        wchar_t args[1024];
-        swprintf(args, 1024, L"CHILD %lld %lld", width, height);
-        startChildProcess(args);
-        return 0;
-    }
-
-    const HANDLE conout = GetStdHandle(STD_OUTPUT_HANDLE);
-
-    setWindowPos(0, 0, 1, 1);
-    setBufferSize(width, height);
-    setWindowPos(0, 0, std::min(80LL, width), std::min(50LL, height));
-
-    setCursorPos(0, 0);
-    printf("A");
-    fflush(stdout);
-    setCursorPos(width - 2, height - 1);
-    printf("B");
-    fflush(stdout);
-
-    trace("sizeof(CHAR_INFO) = %d", (int)sizeof(CHAR_INFO));
-
-    trace("Allocating buffer...");
-    CHAR_INFO *buffer = new CHAR_INFO[width * height];
-    assert(buffer != NULL);
-    memset(&buffer[0], 0, sizeof(CHAR_INFO));
-    memset(&buffer[width * height - 2], 0, sizeof(CHAR_INFO));
-
-    COORD bufSize = { width, height };
-    COORD bufCoord = { 0, 0 };
-    SMALL_RECT readRegion = { 0, 0, width - 1, height - 1 };
-    trace("ReadConsoleOutputW: calling...");
-    BOOL success = ReadConsoleOutputW(conout, buffer, bufSize, bufCoord, &readRegion);
-    trace("ReadConsoleOutputW: success=%d", success);
-
-    assert(buffer[0].Char.UnicodeChar == L'A');
-    assert(buffer[width * height - 2].Char.UnicodeChar == L'B');
-    trace("Top-left and bottom-right characters read successfully!");
-
-    Sleep(30000);
-
-    delete [] buffer;
-    return 0;
-}