Console.Unix: fix window size not always being invalidated (#41462)

github-actions[bot] · tmds · web-flow · commit 67deb1d9bea3 · 2020-09-01T09:15:55.000-07:00
Ensure signal handlers are setup to invalidate cached values
for window size.

Co-authored-by: Tom Deseyn &lt;tom.deseyn@gmail.com&gt;
diff --git a/src/libraries/System.Console/src/System/ConsolePal.Unix.cs b/src/libraries/System.Console/src/System/ConsolePal.Unix.cs
@@ -1357,6 +1357,9 @@ void IncrementX()
 
         private static void CheckTerminalSettingsInvalidated()
         {
+            // Register for signals that invalidate cached values.
+            EnsureConsoleInitialized();
+
             bool invalidateSettings = Interlocked.CompareExchange(ref s_invalidateCachedSettings, 0, 1) == 1;
             if (invalidateSettings)
             {

Original file line number	Diff line number	Diff line change
`@@ -1357,6 +1357,9 @@ void IncrementX()`
`1357`	`1357`
`1358`	`1358`	`private static void CheckTerminalSettingsInvalidated()`
`1359`	`1359`	`{`
	`1360`	`+ // Register for signals that invalidate cached values.`
	`1361`	`+ EnsureConsoleInitialized();`
	`1362`	`+`
`1360`	`1363`	`bool invalidateSettings = Interlocked.CompareExchange(ref s_invalidateCachedSettings, 0, 1) == 1;`
`1361`	`1364`	`if (invalidateSettings)`
`1362`	`1365`	`{`