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Client: Don't crash when the receiver of a paste closes the pipe

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Ignore the SIGPIPE signal

Task-number: QTBUG-57202
Change-Id: If22381f446675836aeb741a8e6da5473b0a27301
Reviewed-by: Martin Gräßlin <mgraesslin@kde.org>
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
This commit is contained in:
Johan Klokkhammer Helsing 2016-12-22 14:30:57 +01:00 committed by Johan Helsing
parent 81f80fa19f
commit a37ac71c33
1 changed files with 10 additions and 0 deletions
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10
src/plugins/platforms/wayland/qwaylanddatasource.cpp
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@ -48,6 +48,7 @@
#include <QtCore/QDebug>
#include <unistd.h>
#include <signal.h>
#if QT_CONFIG(draganddrop)
@ -85,7 +86,16 @@ void QWaylandDataSource::data_source_send(const QString &mime_type, int32_t fd)
{
QByteArray content = QWaylandMimeHelper::getByteArray(m_mime_data, mime_type);
if (!content.isEmpty()) {
// Create a sigpipe handler that does nothing, or clients may be forced to terminate
// if the pipe is closed in the other end.
struct sigaction action, oldAction;
action.sa_handler = SIG_IGN;
sigemptyset (&action.sa_mask);
action.sa_flags = 0;
sigaction(SIGPIPE, &action, &oldAction);
write(fd, content.constData(), content.size());
sigaction(SIGPIPE, &oldAction, nullptr);
}
close(fd);
}