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fix handling of errors due to the other end of the socket being closed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57661 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-30 12:52:38 +00:00
parent ac16633fdc
commit 9588640d19
1 changed files with 8 additions and 8 deletions
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16
src/common/socket.cpp
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@@ -838,7 +838,9 @@ wxUint32 wxSocketBase::DoRead(void* buffer_, wxUint32 nbytes)
if ( !WaitForRead() )
break;
const int ret = m_impl->Read(buffer, nbytes);
// m_connected will be set to false if we lost connection while
// waiting, there is no need to call Read() if this happened
const int ret = m_connected ? m_impl->Read(buffer, nbytes) : -1;
if ( ret == 0 )
{
// for connection-oriented (e.g. TCP) sockets we can only read
@@ -850,10 +852,7 @@ wxUint32 wxSocketBase::DoRead(void* buffer_, wxUint32 nbytes)
}
if ( ret == -1 )
{
SetError(wxSOCKET_IOERR);
break;
}
total += ret;
@@ -1020,7 +1019,7 @@ wxUint32 wxSocketBase::DoWrite(const void *buffer_, wxUint32 nbytes)
if ( !WaitForWrite() )
break;
const int ret = m_impl->Write(buffer, nbytes);
const int ret = m_connected ? m_impl->Write(buffer, nbytes) : -1;
if ( ret == 0 )
{
m_closed = true;
@@ -1028,10 +1027,7 @@ wxUint32 wxSocketBase::DoWrite(const void *buffer_, wxUint32 nbytes)
}
if ( ret == -1 )
{
SetError(wxSOCKET_IOERR);
break;
}
total += ret;
if ( !(m_flags & wxSOCKET_WAITALL) )
@@ -1239,6 +1235,10 @@ wxSocketBase::DoWait(long seconds, long milliseconds, wxSocketEventFlags flags)
{
wxCHECK_MSG( m_impl, false, "can't wait on invalid socket" );
// we're never going to become ready if we're not connected (any more)
if ( !m_connected && !m_establishing )
return (flags & wxSOCKET_LOST_FLAG) != 0;
// This can be set to true from Interrupt() to exit this function a.s.a.p.
m_interrupt = false;