diff options
| -rw-r--r-- | src/client/qwaylanddatasource.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/client/qwaylanddatasource.cpp b/src/client/qwaylanddatasource.cpp index ef1d14d3..093c40f2 100644 --- a/src/client/qwaylanddatasource.cpp +++ b/src/client/qwaylanddatasource.cpp @@ -13,6 +13,7 @@ #include <unistd.h> #include <signal.h> +#include <fcntl.h> QT_BEGIN_NAMESPACE @@ -57,6 +58,13 @@ void QWaylandDataSource::data_source_send(const QString &mime_type, int32_t fd) action.sa_flags = 0; sigaction(SIGPIPE, &action, &oldAction); + // Some compositors (e.g., mutter) make fd with O_NONBLOCK. + // Since wl_data_source.send describes that fd is closed here, + // it should be done in a loop and don't have any advantage. + // Blocking operation will be used. + // According to fcntl(2), FSETFL ignores O_WRONLY. So this + // call will just remove O_NONBLOCK. + fcntl(fd, F_SETFL, O_WRONLY); ssize_t unused = write(fd, content.constData(), content.size()); Q_UNUSED(unused); sigaction(SIGPIPE, &oldAction, nullptr); |