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Imported Upstream version 5.4.0.167

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Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2017-08-21 15:34:15 +00:00
parent e49d6f06c0
commit 536cd135cc
12856 changed files with 563812 additions and 223249 deletions
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10
mcs/class/referencesource/System/sys/system/IO/ports/SerialStream.cs
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@@ -7,7 +7,7 @@
**
** Class: SerialStream
**
** Purpose: Class for enabling low-level [....] and async control over a serial
** Purpose: Class for enabling low-level sync and async control over a serial
** : communications resource.
**
** Date: August, 2002
@@ -809,7 +809,8 @@ namespace System.IO.Ports
// the SerialPort. A customer also reported seeing ERROR_BAD_COMMAND here.
// Do not throw an exception on the finalizer thread - that's just rude,
// since apps can't catch it and we may tear down the app.
if ((hr == NativeMethods.ERROR_ACCESS_DENIED || hr == NativeMethods.ERROR_BAD_COMMAND) && !disposing) {
const int ERROR_DEVICE_REMOVED = 1617;
if ((hr == NativeMethods.ERROR_ACCESS_DENIED || hr == NativeMethods.ERROR_BAD_COMMAND || hr == ERROR_DEVICE_REMOVED) && !disposing) {
skipSPAccess = true;
}
else {
@@ -1736,8 +1737,9 @@ namespace System.IO.Ports
{
int hr = Marshal.GetLastWin32Error();
// When a device is disconnected unexpectedly from a serial port, there appear to be
// at least two error codes Windows or drivers may return.
if (hr == NativeMethods.ERROR_ACCESS_DENIED || hr == NativeMethods.ERROR_BAD_COMMAND) {
// at least three error codes Windows or drivers may return.
const int ERROR_DEVICE_REMOVED = 1617;
if (hr == NativeMethods.ERROR_ACCESS_DENIED || hr == NativeMethods.ERROR_BAD_COMMAND || hr == ERROR_DEVICE_REMOVED) {
doCleanup = true;
break;
}