[Mono-bugs] [Bug 77108][Nor] Changed - TextReader.Read from
System.Console.In is incorrectly blocking
bugzilla-daemon at bugzilla.ximian.com
bugzilla-daemon at bugzilla.ximian.com
Mon Jan 2 11:22:51 EST 2006
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Changed by sebastien at ximian.com.
http://bugzilla.ximian.com/show_bug.cgi?id=77108
--- shadow/77108 2006-01-02 10:00:56.000000000 -0500
+++ shadow/77108.tmp.32654 2006-01-02 11:22:51.000000000 -0500
@@ -5,13 +5,13 @@
OS Details:
Status: NEW
Resolution:
Severity: Unknown
Priority: Normal
Component: CORLIB
-AssignedTo: mono-bugs at ximian.com
+AssignedTo: sebastien at ximian.com
ReportedBy: jake4379 at fastmail.fm
QAContact: mono-bugs at ximian.com
TargetMilestone: ---
URL:
Cc:
Summary: TextReader.Read from System.Console.In is incorrectly blocking
@@ -61,6 +61,34 @@
It doesn't look like a "traditional" blocking/non-blocking issue.
MS "blocks" indefinitively but returns after the first new line.
Mono doesn't consider the new line (probably because it use a
FileStream) so it returns only when the buffer is full.
+
+------- Additional Comments From sebastien at ximian.com 2006-01-02 11:22 -------
+I added tests (r54954) for StreamReader and StringReader and their
+Read methods don't return when they encounter a new line. So this
+seems to be a console-only feature.
+
+Another similar test case (because a new line is 2 characters under
+Windows).
+
+using System;
+
+class M {
+ static void Main ()
+ {
+ char[] charbuf = new char[10];
+ int nRead = Console.In.Read(charbuf,0,10);
+ Console.WriteLine("1Read = {0}\n",nRead);
+ nRead = Console.In.Read(charbuf,0,10);
+ Console.WriteLine("2Read = {0}\n",nRead);
+ }
+}
+
+Type: "123456789" then Enter
+and you'll get
+1Read=10
+2Read=1
+
+so we must keep the NL logic between calls to Read.
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