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Implement Console.SetWindowSize() for linux #75824

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merged 12 commits into from
Nov 8, 2022
Merged

Implement Console.SetWindowSize() for linux #75824

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f4f028b
Impl Console.SetWindowSize() for linux
HJLeee Sep 16, 2022
24b0083
Apply Feedback
HJLeee Sep 19, 2022
324b31b
Throw IOException if fail
HJLeee Sep 20, 2022
814d5c0
Apply suggestions from code review
HJLeee Sep 29, 2022
e8fd3ac
Add supportplatform freebsd & osx
HJLeee Sep 30, 2022
3379de1
Enable SetWindowSize_GetWindowSize_ReturnsExpected
HJLeee Sep 30, 2022
ee31937
add manual test
adamsitnik Oct 28, 2022
4591a93
Remove note in ArgumentOutOfRangeException
HJLeee Oct 31, 2022
e315d16
Update src/libraries/System.Console/tests/ManualTests/ManualTests.cs
HJLeee Nov 2, 2022
b616914
Apply suggestions from code review
HJLeee Nov 3, 2022
3cff6cb
Cleanup SupportOSPlatfromAttributes
HJLeee Nov 3, 2022
e641300
Update APICompat annotations
adamsitnik Nov 4, 2022
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3 changes: 3 additions & 0 deletions src/libraries/Common/src/Interop/Unix/System.Native/Interop.GetWindowWidth.cs
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Expand Up @@ -19,5 +19,8 @@ internal struct WinSize

[LibraryImport(Libraries.SystemNative, EntryPoint = "SystemNative_GetWindowSize", SetLastError = true)]
internal static partial int GetWindowSize(out WinSize winSize);

[LibraryImport(Libraries.SystemNative, EntryPoint = "SystemNative_SetWindowSize", SetLastError = true)]
internal static partial int SetWindowSize(in WinSize winSize);
}
}
7 changes: 5 additions & 2 deletions src/libraries/System.Console/ref/System.Console.cs
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Expand Up @@ -69,10 +69,10 @@ public static partial class Console
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
public static bool TreatControlCAsInput { get { throw null; } set { } }
public static int WindowHeight { [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
public static int WindowHeight { [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows"), System.Runtime.Versioning.SupportedOSPlatformAttribute("linux"), System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd"), System.Runtime.Versioning.SupportedOSPlatformAttribute("osx")] set { } }
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@adamsitnik adamsitnik Nov 2, 2022 •
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@buyaa-n @stephentoub So far, getting windows height and width was working on all OSes except browser, ios, adnroid and tvos.
Setting the value was working only on Windows. So the attributes applied were like this:

public static int WindowHeight
{ 
    [UnsupportedOSPlatformAttribute("android")]
    [UnsupportedOSPlatformAttribute("browser")]
    [UnsupportedOSPlatformAttribute("ios")]
    [UnsupportedOSPlatformAttribute("tvos")]
    get { throw null; } 
    [SupportedOSPlatformAttribute("windows")]
    set { } }
}

With this PR, both sets of supported/unsupported OSes are the same:

  • supported: Windows, Linux, macOS, FreeBSD
  • unsupported: Android, iOS, tvOS, Broweser

The question: what is the recommended way to annotate the APIs in such case:
a) marking getter and setter of WindowHeight as unsupported on the mentioned platforms (a removal of [SupportedOSPlatformAttribute("windows")] from the setter)

[UnsupportedOSPlatformAttribute("android")]
[UnsupportedOSPlatformAttribute("browser")]
[UnsupportedOSPlatformAttribute("ios")]
[UnsupportedOSPlatformAttribute("tvos")]
public static int WindowHeight
{ 
    get { throw null; } 
    set { } }
}

b) Extending the list of supported OSes for the setter (no breaking changes, but using two different ways of expressing the same thing for one public property which can be confusing)

public static int WindowHeight
{ 
    [UnsupportedOSPlatformAttribute("android")]
    [UnsupportedOSPlatformAttribute("browser")]
    [UnsupportedOSPlatformAttribute("ios")]
    [UnsupportedOSPlatformAttribute("tvos")]
    get { throw null; } 
    [SupportedOSPlatformAttribute("windows")]
    [SupportedOSPlatformAttribute("linux")]
    [SupportedOSPlatformAttribute("freebsd")]
    [SupportedOSPlatformAttribute("osx")]
    set { } }
}

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[UnsupportedOSPlatformAttribute("android")]
[UnsupportedOSPlatformAttribute("browser")]
[UnsupportedOSPlatformAttribute("ios")]
[UnsupportedOSPlatformAttribute("tvos")]

Looks cleaner though it means the API is unsupported on android, browser, ios and tvOS, but supported all other, not only windows, linux, freebsd, osx. Not sure if that is OK.

For the PCA analyzer it doesn't really matter where the attribute applied, but not sure if it's moving the attributes is OK for API compat side

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Is there a downside to option (a)? That seems like the clear winner :)

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@adamsitnik @buyaa-n I think I need help on e315d16
How do I fix CP0014 error?

public static int WindowLeft { get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
public static int WindowTop { get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
public static int WindowWidth { [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
public static int WindowWidth { [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios"), System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows"), System.Runtime.Versioning.SupportedOSPlatformAttribute("linux"), System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd"), System.Runtime.Versioning.SupportedOSPlatformAttribute("osx")] set { } }
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
[System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
Expand Down Expand Up @@ -148,6 +148,9 @@ public static void SetOut(System.IO.TextWriter newOut) { }
[System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
public static void SetWindowPosition(int left, int top) { }
[System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
[System.Runtime.Versioning.SupportedOSPlatformAttribute("linux")]
[System.Runtime.Versioning.SupportedOSPlatformAttribute("freebsd")]
[System.Runtime.Versioning.SupportedOSPlatformAttribute("osx")]
public static void SetWindowSize(int width, int height) { }
public static void Write(bool value) { }
public static void Write(char value) { }
Expand Down
3 changes: 3 additions & 0 deletions src/libraries/System.Console/src/Resources/Strings.resx
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Expand Up @@ -194,6 +194,9 @@
<data name="InvalidOperation_ConsoleReadKeyOnFile" xml:space="preserve">
<value>Cannot read keys when either application does not have a console or when console input has been redirected. Try Console.Read.</value>
</data>
<data name="InvalidOperation_SetWindowSize" xml:space="preserve">
<value>Cannot set window size when console output has been redirected.</value>
</data>
<data name="PersistedFiles_NoHomeDirectory" xml:space="preserve">
<value>The home directory of the current user could not be determined.</value>
</data>
Expand Down
47 changes: 45 additions & 2 deletions src/libraries/System.Console/src/System/Console.cs
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Expand Up @@ -400,7 +400,21 @@ public static int WindowWidth
[UnsupportedOSPlatform("tvos")]
get { return ConsolePal.WindowWidth; }
[SupportedOSPlatform("windows")]
set { ConsolePal.WindowWidth = value; }
[SupportedOSPlatform("linux")]
[SupportedOSPlatform("freebsd")]
[SupportedOSPlatform("osx")]
set
{
if (Console.IsOutputRedirected)
{
throw new IOException(SR.InvalidOperation_SetWindowSize);
}
if (value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(value), value, SR.ArgumentOutOfRange_NeedPosNum);
}
ConsolePal.WindowWidth = value;
}
}

public static int WindowHeight
Expand All @@ -411,7 +425,21 @@ public static int WindowHeight
[UnsupportedOSPlatform("tvos")]
get { return ConsolePal.WindowHeight; }
[SupportedOSPlatform("windows")]
set { ConsolePal.WindowHeight = value; }
[SupportedOSPlatform("linux")]
[SupportedOSPlatform("freebsd")]
[SupportedOSPlatform("osx")]
set
{
if (Console.IsOutputRedirected)
{
throw new IOException(SR.InvalidOperation_SetWindowSize);
}
if (value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(value), value, SR.ArgumentOutOfRange_NeedPosNum);
}
ConsolePal.WindowHeight = value;
}
}

[SupportedOSPlatform("windows")]
Expand All @@ -421,8 +449,23 @@ public static void SetWindowPosition(int left, int top)
}

[SupportedOSPlatform("windows")]
[SupportedOSPlatform("linux")]
[SupportedOSPlatform("freebsd")]
[SupportedOSPlatform("osx")]
public static void SetWindowSize(int width, int height)
{
if (Console.IsOutputRedirected)
{
throw new IOException(SR.InvalidOperation_SetWindowSize);
}
if (width <= 0)
{
throw new ArgumentOutOfRangeException(nameof(width), width, SR.ArgumentOutOfRange_NeedPosNum);
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException(nameof(height), height, SR.ArgumentOutOfRange_NeedPosNum);
}
ConsolePal.SetWindowSize(width, height);
}

Expand Down
28 changes: 25 additions & 3 deletions src/libraries/System.Console/src/System/ConsolePal.Unix.cs
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Expand Up @@ -346,7 +346,7 @@ public static int WindowWidth
GetWindowSize(out int width, out _);
return width;
}
set { throw new PlatformNotSupportedException(); }
set => SetWindowSize(value, WindowHeight);
}

public static int WindowHeight
Expand All @@ -356,7 +356,7 @@ public static int WindowHeight
GetWindowSize(out _, out int height);
return height;
}
set { throw new PlatformNotSupportedException(); }
set => SetWindowSize(WindowWidth, value);
}

private static void GetWindowSize(out int width, out int height)
Expand Down Expand Up @@ -392,7 +392,29 @@ public static void SetWindowPosition(int left, int top)

public static void SetWindowSize(int width, int height)
{
throw new PlatformNotSupportedException();
lock (Console.Out)
{
Interop.Sys.WinSize winsize = default;
winsize.Row = (ushort)height;
winsize.Col = (ushort)width;
if (Interop.Sys.SetWindowSize(in winsize) == 0)
{
s_windowWidth = winsize.Col;
s_windowHeight = winsize.Row;
}
else
{
Interop.ErrorInfo errorInfo = Interop.Sys.GetLastErrorInfo();
if (errorInfo.Error == Interop.Error.ENOTSUP)
{
throw new PlatformNotSupportedException();
}
else
{
throw Interop.GetIOException(errorInfo);
}
}
}
}

public static bool CursorVisible
Expand Down
5 changes: 0 additions & 5 deletions src/libraries/System.Console/src/System/ConsolePal.Windows.cs
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Expand Up @@ -948,11 +948,6 @@ public static unsafe void SetWindowPosition(int left, int top)

public static unsafe void SetWindowSize(int width, int height)
{
if (width <= 0)
throw new ArgumentOutOfRangeException(nameof(width), width, SR.ArgumentOutOfRange_NeedPosNum);
if (height <= 0)
throw new ArgumentOutOfRangeException(nameof(height), height, SR.ArgumentOutOfRange_NeedPosNum);

// Get the position of the current console window
Interop.Kernel32.CONSOLE_SCREEN_BUFFER_INFO csbi = GetBufferInfo();

Expand Down
33 changes: 33 additions & 0 deletions src/libraries/System.Console/tests/ManualTests/ManualTests.cs
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Expand Up @@ -5,7 +5,9 @@
using System.Diagnostics;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using Xunit;

namespace System
Expand Down Expand Up @@ -321,6 +323,37 @@ public static void EncodingTest()
AssertUserExpectedResults("Pi and Sigma or question marks");
}

[ConditionalFact(nameof(ManualTestsEnabled))]
[SkipOnPlatform(TestPlatforms.Browser | TestPlatforms.iOS | TestPlatforms.MacCatalyst | TestPlatforms.tvOS, "Not supported on Browser, iOS, MacCatalyst, or tvOS.")]
public static void ResizeTest()
{
bool wasResized = false;

using (ManualResetEvent manualResetEvent = new(false))
using (PosixSignalRegistration.Create(PosixSignal.SIGWINCH,
ctx =>
{
wasResized = true;
Assert.Equal(PosixSignal.SIGWINCH, ctx.Signal);
manualResetEvent.Set();
}))
{
int widthBefore = Console.WindowWidth;
int heightBefore = Console.WindowHeight;

Assert.False(wasResized);

Console.SetWindowSize(widthBefore / 2, heightBefore / 2);

Assert.True(manualResetEvent.WaitOne(TimeSpan.FromMilliseconds(50)));
Assert.True(wasResized);
Assert.Equal(widthBefore / 2, Console.WindowWidth );
Assert.Equal(heightBefore / 2, Console.WindowHeight );

Console.SetWindowSize(widthBefore, heightBefore);
}
}

private static void AssertUserExpectedResults(string expected)
{
Console.Write($"Did you see {expected}? [y/n] ");
Expand Down
24 changes: 12 additions & 12 deletions src/libraries/System.Console/tests/WindowAndCursorProps.cs
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Expand Up @@ -46,7 +46,7 @@ public static void SetBufferSize_Unix_ThrowsPlatformNotSupportedException()
}

[Theory]
[PlatformSpecific(TestPlatforms.Windows)]
[PlatformSpecific((TestPlatforms.Windows) | (TestPlatforms.AnyUnix & ~TestPlatforms.Browser & ~TestPlatforms.iOS & ~TestPlatforms.MacCatalyst & ~TestPlatforms.tvOS))]
[InlineData(0)]
[InlineData(-1)]
public static void WindowWidth_SetInvalid_ThrowsArgumentOutOfRangeException(int value)
Expand All @@ -71,14 +71,14 @@ public static void WindowWidth_GetUnix_Success()
}

[Fact]
[PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.Browser)] // Expected behavior specific to Unix
[PlatformSpecific(TestPlatforms.iOS | TestPlatforms.MacCatalyst | TestPlatforms.tvOS)] // Expected behavior specific to Unix
public static void WindowWidth_SetUnix_ThrowsPlatformNotSupportedException()
{
Assert.Throws<PlatformNotSupportedException>(() => Console.WindowWidth = 100);
}

[Theory]
[PlatformSpecific(TestPlatforms.Windows)] // Expected behavior specific to Windows
[PlatformSpecific((TestPlatforms.Windows) | (TestPlatforms.AnyUnix & ~TestPlatforms.Browser & ~TestPlatforms.iOS & ~TestPlatforms.MacCatalyst & ~TestPlatforms.tvOS))]
[InlineData(0)]
[InlineData(-1)]
public static void WindowHeight_SetInvalid_ThrowsArgumentOutOfRangeException(int value)
Expand All @@ -102,13 +102,6 @@ public static void WindowHeight_GetUnix_Success()
Helpers.RunInRedirectedOutput((data) => Console.WriteLine(Console.WindowHeight));
}

[Fact]
[PlatformSpecific(TestPlatforms.AnyUnix)] // Expected behavior specific to Unix
public static void WindowHeight_SetUnix_ThrowsPlatformNotSupportedException()
{
Assert.Throws<PlatformNotSupportedException>(() => Console.WindowHeight = 100);
}

[Fact]
[PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.Browser & ~TestPlatforms.iOS & ~TestPlatforms.MacCatalyst & ~TestPlatforms.tvOS)] // Expected behavior specific to Unix
public static void LargestWindowWidth_UnixGet_ReturnsExpected()
Expand All @@ -117,6 +110,13 @@ public static void LargestWindowWidth_UnixGet_ReturnsExpected()
Helpers.RunInRedirectedOutput((data) => Assert.Equal(Console.WindowWidth, Console.LargestWindowWidth));
}

[Fact]
[PlatformSpecific(TestPlatforms.Browser | TestPlatforms.iOS | TestPlatforms.MacCatalyst | TestPlatforms.tvOS)] // Expected behavior specific to Unix
public static void WindowHeight_SetUnix_ThrowsPlatformNotSupportedException()
{
Assert.Throws<PlatformNotSupportedException>(() => Console.WindowHeight = 100);
}

[Fact]
[PlatformSpecific(TestPlatforms.AnyUnix & ~TestPlatforms.Browser & ~TestPlatforms.iOS & ~TestPlatforms.MacCatalyst & ~TestPlatforms.tvOS)] // Expected behavior specific to Unix
public static void LargestWindowHeight_UnixGet_ReturnsExpected()
Expand Down Expand Up @@ -559,7 +559,7 @@ public void SetWindowPosition_Unix_ThrowsPlatformNotSupportedException()
Assert.Throws<PlatformNotSupportedException>(() => Console.SetWindowPosition(50, 50));
}

[PlatformSpecific(TestPlatforms.Windows)]
[PlatformSpecific((TestPlatforms.Windows) | (TestPlatforms.AnyUnix & ~TestPlatforms.Browser & ~TestPlatforms.iOS & ~TestPlatforms.MacCatalyst & ~TestPlatforms.tvOS))]
[ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoNorServerCore))]
public void SetWindowSize_GetWindowSize_ReturnsExpected()
{
Expand Down Expand Up @@ -587,7 +587,7 @@ public void SetWindowSize_GetWindowSize_ReturnsExpected()
}

[Fact]
[PlatformSpecific(TestPlatforms.AnyUnix)]
[PlatformSpecific(TestPlatforms.Browser | TestPlatforms.iOS | TestPlatforms.MacCatalyst | TestPlatforms.tvOS)]
public void SetWindowSize_Unix_ThrowsPlatformNotSupportedException()
{
Assert.Throws<PlatformNotSupportedException>(() => Console.SetWindowSize(50, 50));
Expand Down
6 changes: 0 additions & 6 deletions src/libraries/System.Private.CoreLib/src/System/ArgumentOutOfRangeException.cs
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Expand Up @@ -48,9 +48,6 @@ public ArgumentOutOfRangeException(string? message, Exception? innerException)
HResult = HResults.COR_E_ARGUMENTOUTOFRANGE;
}

// We will not use this in the classlibs, but we'll provide it for
// anyone that's really interested so they don't have to stick a bunch
// of printf's in their code.
public ArgumentOutOfRangeException(string? paramName, object? actualValue, string? message)
: base(message, paramName)
{
Expand Down Expand Up @@ -87,9 +84,6 @@ public override string Message
}

// Gets the value of the argument that caused the exception.
// Note - we don't set this anywhere in the class libraries in
// version 1, but it might come in handy for other developers who
// want to avoid sticking printf's in their code.
public virtual object? ActualValue => _actualValue;
}
}
1 change: 1 addition & 0 deletions src/native/libs/Common/pal_config.h.in
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Expand Up @@ -40,6 +40,7 @@
#cmakedefine01 KEVENT_REQUIRES_INT_PARAMS
#cmakedefine01 HAVE_IOCTL
#cmakedefine01 HAVE_TIOCGWINSZ
#cmakedefine01 HAVE_TIOCSWINSZ
#cmakedefine01 HAVE_SCHED_GETAFFINITY
#cmakedefine01 HAVE_SCHED_SETAFFINITY
#cmakedefine01 HAVE_SCHED_GETCPU
Expand Down
1 change: 1 addition & 0 deletions src/native/libs/System.Native/entrypoints.c
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Expand Up @@ -35,6 +35,7 @@ static const Entry s_sysNative[] =
{
DllImportEntry(SystemNative_FStat)
DllImportEntry(SystemNative_GetWindowSize)
DllImportEntry(SystemNative_SetWindowSize)
DllImportEntry(SystemNative_IsATty)
DllImportEntry(SystemNative_InitializeTerminalAndSignalHandling)
DllImportEntry(SystemNative_SetKeypadXmit)
Expand Down
12 changes: 12 additions & 0 deletions src/native/libs/System.Native/pal_console.c
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Expand Up @@ -39,6 +39,18 @@ int32_t SystemNative_GetWindowSize(WinSize* windowSize)
#endif
}

int32_t SystemNative_SetWindowSize(WinSize* windowSize)
{
assert(windowSize != NULL);

#if HAVE_IOCTL && HAVE_TIOCSWINSZ
return ioctl(STDOUT_FILENO, TIOCSWINSZ, windowSize);
#else
errno = ENOTSUP;
return -1;
#endif
}

int32_t SystemNative_IsATty(intptr_t fd)
{
return isatty(ToFileDescriptor(fd));
Expand Down
9 changes: 8 additions & 1 deletion src/native/libs/System.Native/pal_console.h
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Expand Up @@ -44,10 +44,17 @@ typedef struct
/**
* Gets the windows size of the terminal
*
* Returns 0 on success; otherwise, returns errorNo.
* Returns 0 on success; otherwise, returns -1 and sets errno.
*/
PALEXPORT int32_t SystemNative_GetWindowSize(WinSize* windowsSize);

/**
* Sets the windows size of the terminal
*
* Returns 0 on success; otherwise, returns -1 and sets errno.
*/
PALEXPORT int32_t SystemNative_SetWindowSize(WinSize* windowsSize);

/**
* Gets whether the specified file descriptor is for a terminal.
*
Expand Down
5 changes: 5 additions & 0 deletions src/native/libs/configure.cmake
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Expand Up @@ -254,6 +254,11 @@ check_symbol_exists(
"sys/ioctl.h"
HAVE_TIOCGWINSZ)

check_symbol_exists(
TIOCSWINSZ
"sys/ioctl.h"
HAVE_TIOCSWINSZ)

check_symbol_exists(
tcgetattr
termios.h
Expand Down