2014-04-02 18:04:42 +00:00
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diff -up qt-everywhere-opensource-src-4.8.6/src/corelib/io/qprocess_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/corelib/io/qprocess_unix.cpp
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--- qt-everywhere-opensource-src-4.8.6/src/corelib/io/qprocess_unix.cpp.poll 2014-03-30 15:36:48.000000000 -0500
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+++ qt-everywhere-opensource-src-4.8.6/src/corelib/io/qprocess_unix.cpp 2014-03-31 18:04:05.958260978 -0500
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@@ -158,13 +158,6 @@ static void qt_sa_sigchld_sigaction(int
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}
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2012-10-31 12:20:22 +00:00
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}
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-static inline void add_fd(int &nfds, int fd, fd_set *fdset)
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-{
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- FD_SET(fd, fdset);
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- if ((fd) > nfds)
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- nfds = fd;
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-}
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-
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struct QProcessInfo {
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QProcess *process;
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int deathPipe;
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2014-04-02 18:04:42 +00:00
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@@ -256,9 +249,9 @@ QProcessManager::~QProcessManager()
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2012-10-31 12:20:22 +00:00
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void QProcessManager::run()
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{
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forever {
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- fd_set readset;
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- FD_ZERO(&readset);
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- FD_SET(qt_qprocess_deadChild_pipe[0], &readset);
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+ pollfd fd;
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+ fd.fd = qt_qprocess_deadChild_pipe[0];
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+ fd.events = POLLIN;
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#if defined (QPROCESS_DEBUG)
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qDebug() << "QProcessManager::run() waiting for children to die";
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2014-04-02 18:04:42 +00:00
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@@ -267,8 +260,8 @@ void QProcessManager::run()
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2012-10-31 12:20:22 +00:00
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// block forever, or until activity is detected on the dead child
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// pipe. the only other peers are the SIGCHLD signal handler, and the
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// QProcessManager destructor.
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- int nselect = select(qt_qprocess_deadChild_pipe[0] + 1, &readset, 0, 0, 0);
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- if (nselect < 0) {
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+ int ret = qt_safe_poll(&fd, 1, -1, /* retry_eintr */ false);
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+ if (ret < 0) {
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if (errno == EINTR)
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continue;
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break;
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2014-04-02 18:04:42 +00:00
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@@ -1027,17 +1020,6 @@ void QProcessPrivate::killProcess()
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2012-10-31 12:20:22 +00:00
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::kill(pid_t(pid), SIGKILL);
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}
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-static int select_msecs(int nfds, fd_set *fdread, fd_set *fdwrite, int timeout)
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-{
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- if (timeout < 0)
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- return qt_safe_select(nfds, fdread, fdwrite, 0, 0);
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-
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- struct timeval tv;
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- tv.tv_sec = timeout / 1000;
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- tv.tv_usec = (timeout % 1000) * 1000;
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- return qt_safe_select(nfds, fdread, fdwrite, 0, &tv);
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-}
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-
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/*
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Returns the difference between msecs and elapsed. If msecs is -1,
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however, -1 is returned.
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2014-04-02 18:04:42 +00:00
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@@ -1060,10 +1042,10 @@ bool QProcessPrivate::waitForStarted(int
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2012-10-31 12:20:22 +00:00
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childStartedPipe[0]);
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#endif
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- fd_set fds;
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- FD_ZERO(&fds);
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- FD_SET(childStartedPipe[0], &fds);
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- if (select_msecs(childStartedPipe[0] + 1, &fds, 0, msecs) == 0) {
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+ pollfd fd;
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+ fd.fd = childStartedPipe[0];
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+ fd.events = POLLIN;
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+ if (qt_safe_poll(&fd, 1, msecs) == 0) {
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processError = QProcess::Timedout;
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q->setErrorString(QProcess::tr("Process operation timed out"));
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#if defined (QPROCESS_DEBUG)
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2014-04-02 18:04:42 +00:00
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@@ -1079,6 +1061,47 @@ bool QProcessPrivate::waitForStarted(int
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2012-10-31 12:20:22 +00:00
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return startedEmitted;
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}
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+class QProcessFDSet {
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+ pollfd fds[5];
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+
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+ static size_t size()
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+ {
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+ return sizeof(fds)/sizeof(fds[0]);
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+ }
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+
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+public:
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+ QProcessFDSet(QProcessPrivate &proc)
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+ {
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+ for (size_t i = 0; i < size(); ++i) {
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+ fds[i].fd = -1;
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+ fds[i].events = POLLIN;
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+ }
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+ death().fd = proc.deathPipe[0];
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+
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+ if (proc.processState == QProcess::Starting)
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+ started().fd = proc.childStartedPipe[0];
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+
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+ stdout().fd = proc.stdoutChannel.pipe[0];
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+ stderr().fd = proc.stderrChannel.pipe[0];
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+
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+ if (!proc.writeBuffer.isEmpty()) {
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+ stdin().fd = proc.stdinChannel.pipe[1];
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+ stdin().events = POLLOUT;
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+ }
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+ }
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+
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+ int poll(int timeout)
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+ {
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+ return qt_safe_poll(fds, size(), timeout);
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+ }
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+
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+ pollfd &death() { return fds[0]; }
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+ pollfd &started() { return fds[1]; }
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+ pollfd &stdout() { return fds[2]; }
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+ pollfd &stderr() { return fds[3]; }
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+ pollfd &stdin() { return fds[4]; }
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+};
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+
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bool QProcessPrivate::waitForReadyRead(int msecs)
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{
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Q_Q(QProcess);
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2014-04-02 18:04:42 +00:00
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@@ -1090,28 +1113,9 @@ bool QProcessPrivate::waitForReadyRead(i
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2012-10-31 12:20:22 +00:00
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stopWatch.start();
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forever {
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- fd_set fdread;
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- fd_set fdwrite;
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-
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- FD_ZERO(&fdread);
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- FD_ZERO(&fdwrite);
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-
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- int nfds = deathPipe[0];
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- FD_SET(deathPipe[0], &fdread);
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-
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- if (processState == QProcess::Starting)
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- add_fd(nfds, childStartedPipe[0], &fdread);
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-
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- if (stdoutChannel.pipe[0] != -1)
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- add_fd(nfds, stdoutChannel.pipe[0], &fdread);
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- if (stderrChannel.pipe[0] != -1)
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- add_fd(nfds, stderrChannel.pipe[0], &fdread);
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-
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- if (!writeBuffer.isEmpty() && stdinChannel.pipe[1] != -1)
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- add_fd(nfds, stdinChannel.pipe[1], &fdwrite);
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-
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+ QProcessFDSet fdset(*this);
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int timeout = qt_timeout_value(msecs, stopWatch.elapsed());
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- int ret = select_msecs(nfds + 1, &fdread, &fdwrite, timeout);
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+ int ret = fdset.poll(timeout);
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if (ret < 0) {
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break;
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}
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2014-04-02 18:04:42 +00:00
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@@ -1121,18 +1125,18 @@ bool QProcessPrivate::waitForReadyRead(i
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2012-10-31 12:20:22 +00:00
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return false;
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}
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- if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
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+ if (qt_readable(fdset.started())) {
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if (!_q_startupNotification())
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return false;
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}
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bool readyReadEmitted = false;
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- if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread)) {
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+ if (qt_readable(fdset.stdout())) {
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bool canRead = _q_canReadStandardOutput();
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if (processChannel == QProcess::StandardOutput && canRead)
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readyReadEmitted = true;
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}
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- if (stderrChannel.pipe[0] != -1 && FD_ISSET(stderrChannel.pipe[0], &fdread)) {
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+ if (qt_readable(fdset.stderr())) {
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bool canRead = _q_canReadStandardError();
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if (processChannel == QProcess::StandardError && canRead)
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readyReadEmitted = true;
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2014-04-02 18:04:42 +00:00
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@@ -1140,13 +1144,13 @@ bool QProcessPrivate::waitForReadyRead(i
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2012-10-31 12:20:22 +00:00
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if (readyReadEmitted)
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return true;
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- if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
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+ if (qt_writable(fdset.stdin()))
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_q_canWrite();
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- if (deathPipe[0] == -1 || FD_ISSET(deathPipe[0], &fdread)) {
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+ if (qt_readable(fdset.death())) {
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if (_q_processDied())
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return false;
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- }
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+ }
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}
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return false;
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}
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2014-04-02 18:04:42 +00:00
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@@ -1162,29 +1166,9 @@ bool QProcessPrivate::waitForBytesWritte
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2012-10-31 12:20:22 +00:00
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stopWatch.start();
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while (!writeBuffer.isEmpty()) {
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- fd_set fdread;
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- fd_set fdwrite;
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-
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- FD_ZERO(&fdread);
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- FD_ZERO(&fdwrite);
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-
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- int nfds = deathPipe[0];
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- FD_SET(deathPipe[0], &fdread);
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-
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- if (processState == QProcess::Starting)
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- add_fd(nfds, childStartedPipe[0], &fdread);
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-
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- if (stdoutChannel.pipe[0] != -1)
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- add_fd(nfds, stdoutChannel.pipe[0], &fdread);
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- if (stderrChannel.pipe[0] != -1)
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- add_fd(nfds, stderrChannel.pipe[0], &fdread);
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-
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-
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- if (!writeBuffer.isEmpty() && stdinChannel.pipe[1] != -1)
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- add_fd(nfds, stdinChannel.pipe[1], &fdwrite);
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-
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+ QProcessFDSet fdset(*this);
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int timeout = qt_timeout_value(msecs, stopWatch.elapsed());
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- int ret = select_msecs(nfds + 1, &fdread, &fdwrite, timeout);
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+ int ret = fdset.poll(timeout);
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if (ret < 0) {
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break;
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}
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2014-04-02 18:04:42 +00:00
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@@ -1195,24 +1179,24 @@ bool QProcessPrivate::waitForBytesWritte
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2012-10-31 12:20:22 +00:00
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return false;
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}
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- if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
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+ if (qt_readable(fdset.started())) {
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if (!_q_startupNotification())
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return false;
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}
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- if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
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+ if (qt_writable(fdset.stdin()))
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return _q_canWrite();
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- if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread))
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+ if (qt_readable(fdset.stdout()))
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_q_canReadStandardOutput();
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- if (stderrChannel.pipe[0] != -1 && FD_ISSET(stderrChannel.pipe[0], &fdread))
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+ if (qt_readable(fdset.stderr()))
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_q_canReadStandardError();
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- if (deathPipe[0] == -1 || FD_ISSET(deathPipe[0], &fdread)) {
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- if (_q_processDied())
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- return false;
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- }
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+ if (qt_readable(fdset.death())) {
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+ if (_q_processDied())
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+ return false;
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+ }
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}
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return false;
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2014-04-02 18:04:42 +00:00
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@@ -1229,29 +1213,9 @@ bool QProcessPrivate::waitForFinished(in
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2012-10-31 12:20:22 +00:00
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stopWatch.start();
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forever {
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- fd_set fdread;
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- fd_set fdwrite;
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- int nfds = -1;
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-
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- FD_ZERO(&fdread);
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- FD_ZERO(&fdwrite);
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-
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- if (processState == QProcess::Starting)
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- add_fd(nfds, childStartedPipe[0], &fdread);
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-
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- if (stdoutChannel.pipe[0] != -1)
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- add_fd(nfds, stdoutChannel.pipe[0], &fdread);
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- if (stderrChannel.pipe[0] != -1)
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- add_fd(nfds, stderrChannel.pipe[0], &fdread);
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-
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- if (processState == QProcess::Running)
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- add_fd(nfds, deathPipe[0], &fdread);
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-
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- if (!writeBuffer.isEmpty() && stdinChannel.pipe[1] != -1)
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- add_fd(nfds, stdinChannel.pipe[1], &fdwrite);
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-
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+ QProcessFDSet fdset(*this);
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int timeout = qt_timeout_value(msecs, stopWatch.elapsed());
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- int ret = select_msecs(nfds + 1, &fdread, &fdwrite, timeout);
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+ int ret = fdset.poll(timeout);
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if (ret < 0) {
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break;
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}
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2014-04-02 18:04:42 +00:00
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@@ -1261,20 +1225,20 @@ bool QProcessPrivate::waitForFinished(in
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2012-10-31 12:20:22 +00:00
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return false;
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}
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- if (childStartedPipe[0] != -1 && FD_ISSET(childStartedPipe[0], &fdread)) {
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+ if (qt_readable(fdset.started())) {
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if (!_q_startupNotification())
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return false;
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}
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- if (stdinChannel.pipe[1] != -1 && FD_ISSET(stdinChannel.pipe[1], &fdwrite))
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+ if (qt_writable(fdset.stdin()))
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_q_canWrite();
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- if (stdoutChannel.pipe[0] != -1 && FD_ISSET(stdoutChannel.pipe[0], &fdread))
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+ if (qt_readable(fdset.stdout()))
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_q_canReadStandardOutput();
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- if (stderrChannel.pipe[0] != -1 && FD_ISSET(stderrChannel.pipe[0], &fdread))
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+ if (qt_readable(fdset.stderr()))
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_q_canReadStandardError();
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- if (deathPipe[0] == -1 || FD_ISSET(deathPipe[0], &fdread)) {
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+ if (qt_readable(fdset.death())) {
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if (_q_processDied())
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return true;
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}
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2014-04-02 18:04:42 +00:00
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@@ -1284,10 +1248,10 @@ bool QProcessPrivate::waitForFinished(in
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2012-10-31 12:20:22 +00:00
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bool QProcessPrivate::waitForWrite(int msecs)
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{
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- fd_set fdwrite;
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- FD_ZERO(&fdwrite);
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|
|
- FD_SET(stdinChannel.pipe[1], &fdwrite);
|
|
|
|
- return select_msecs(stdinChannel.pipe[1] + 1, 0, &fdwrite, msecs < 0 ? 0 : msecs) == 1;
|
|
|
|
+ pollfd fd;
|
|
|
|
+ fd.fd = stdinChannel.pipe[1];
|
|
|
|
+ fd.events = POLLIN;
|
|
|
|
+ return qt_safe_poll(&fd, 1, msecs);
|
|
|
|
}
|
|
|
|
|
|
|
|
void QProcessPrivate::findExitCode()
|
2014-04-02 18:04:42 +00:00
|
|
|
diff -up qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix.cpp
|
|
|
|
--- qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix.cpp.poll 2014-03-30 15:36:48.000000000 -0500
|
|
|
|
+++ qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix.cpp 2014-03-31 18:01:59.369715403 -0500
|
|
|
|
@@ -99,4 +99,165 @@ int qt_safe_select(int nfds, fd_set *fdr
|
2012-10-31 12:20:22 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
+#ifndef Q_OS_VXWORKS
|
|
|
|
+
|
|
|
|
+int qt_safe_poll(struct pollfd *fds, int nfds, int timeout_ms, bool retry_eintr)
|
|
|
|
+{
|
|
|
|
+ if (nfds == 0)
|
|
|
|
+ return 0;
|
|
|
|
+ if (nfds < 0) {
|
|
|
|
+ errno = EINVAL;
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // Retry on ret == 0 if the deadline has not yet passed because
|
|
|
|
+ // Linux can return early from the syscall, without setting EINTR.
|
|
|
|
+ if (timeout_ms < 0) {
|
|
|
|
+ forever {
|
|
|
|
+ int ret = ::poll(fds, nfds, -1);
|
|
|
|
+ if (ret > 0)
|
|
|
|
+ return ret;
|
|
|
|
+ if (retry_eintr) {
|
|
|
|
+ if (ret == 0 || ret == -1 && errno == EINTR) {
|
|
|
|
+ continue;
|
|
|
|
+ } else {
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ if (ret == 0) {
|
|
|
|
+ errno = EINTR;
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+ return ret;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ timeval previous = qt_gettime();
|
|
|
|
+ timeval deadline = previous;
|
|
|
|
+ deadline.tv_sec += timeout_ms / 1000;
|
|
|
|
+ deadline.tv_usec += (timeout_ms % 1000) * 1000;
|
|
|
|
+ if (deadline.tv_usec >= 1000000) {
|
|
|
|
+ ++deadline.tv_sec;
|
|
|
|
+ deadline.tv_usec -= 1000000;
|
|
|
|
+ }
|
|
|
|
+ int remaining = timeout_ms;
|
|
|
|
+
|
|
|
|
+ forever {
|
|
|
|
+ int ret = ::poll(fds, nfds, remaining);
|
|
|
|
+ if (ret > 0)
|
|
|
|
+ return ret;
|
|
|
|
+ timeval now = qt_gettime();
|
|
|
|
+ if ((now.tv_sec > deadline.tv_sec // past deadline
|
|
|
|
+ || (now.tv_sec == deadline.tv_sec
|
|
|
|
+ && now.tv_usec >= deadline.tv_usec))
|
|
|
|
+ || (now.tv_sec < previous.tv_sec // time warp
|
|
|
|
+ || (now.tv_sec == previous.tv_sec
|
|
|
|
+ && now.tv_usec < previous.tv_usec))
|
|
|
|
+ || (ret < 0 && (errno != EINTR || !retry_eintr))) // other error
|
|
|
|
+ return ret;
|
|
|
|
+ if (ret == 0 && !retry_eintr) {
|
|
|
|
+ errno = EINTR;
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+ remaining = (deadline.tv_sec - now.tv_sec) * 1000
|
|
|
|
+ + (deadline.tv_usec - now.tv_usec) / 1000;
|
|
|
|
+ previous = now;
|
|
|
|
+ }
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+#else
|
|
|
|
+
|
|
|
|
+// Poll emulation for VxWorks.
|
|
|
|
+
|
|
|
|
+static int mark_bad_descriptors(pollfd *fds, int nfds)
|
|
|
|
+{
|
|
|
|
+ fd_set r;
|
|
|
|
+ FD_ZERO(&r);
|
|
|
|
+ struct timeval tv;
|
|
|
|
+ tv.tv_sec = 0;
|
|
|
|
+ tv.tv_usec = 0;
|
|
|
|
+ int ret = 0;
|
|
|
|
+
|
|
|
|
+ // Check each descriptor invidually for badness.
|
|
|
|
+ for (int i = 0; i < nfds; ++i) {
|
|
|
|
+ pollfd &fd(fds[i]);
|
|
|
|
+ if (fd.fd >= 0) {
|
|
|
|
+ FD_SET(fd.fd, &r);
|
|
|
|
+ int ret = qt_safe_select(fd.fd + 1, &r, NULL, NULL, &tv);
|
|
|
|
+ FD_CLR(fd.fd, &r);
|
|
|
|
+ if (ret < 0 && errno == EBADF) {
|
|
|
|
+ fd.revents = POLLNVAL;
|
|
|
|
+ ++ret;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ Q_ASSERT(ret > 0);
|
|
|
|
+ return ret;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+int qt_safe_poll(pollfd *fds, int nfds, int timeout, bool retry_eintr)
|
|
|
|
+{
|
|
|
|
+ fd_set r, w;
|
|
|
|
+ FD_ZERO(&r);
|
|
|
|
+ FD_ZERO(&w);
|
|
|
|
+ int maxfd = -1;
|
|
|
|
+
|
|
|
|
+ // Extract the watched descriptors.
|
|
|
|
+ for (int i = 0; i < nfds; ++i) {
|
|
|
|
+ pollfd &fd(fds[i]);
|
|
|
|
+ if (fd.fd >= 0 && fd.fd < FD_SETSIZE) {
|
|
|
|
+ if (fd.events & POLLIN) {
|
|
|
|
+ FD_SET(fd.fd, &r);
|
|
|
|
+ if (fd.fd > maxfd)
|
|
|
|
+ maxfd = fd.fd;
|
|
|
|
+ }
|
|
|
|
+ if (fd.events & POLLOUT) {
|
|
|
|
+ FD_SET(fd.fd, &w);
|
|
|
|
+ if (fd.fd > maxfd)
|
|
|
|
+ maxfd = fd.fd;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // If timeout is negative, wait indefinitely for activity.
|
|
|
|
+ timeval tv;
|
|
|
|
+ timeval *ptv;
|
|
|
|
+ if (timeout >= 0) {
|
|
|
|
+ tv.tv_sec = timeout / 1000;
|
|
|
|
+ tv.tv_usec = (timeout % 1000) * 1000;
|
|
|
|
+ ptv = &tv;
|
|
|
|
+ } else
|
|
|
|
+ ptv = NULL;
|
|
|
|
+
|
|
|
|
+ int ret;
|
|
|
|
+ if (retry_eintr)
|
|
|
|
+ ret = qt_safe_select(maxfd + 1, &r, &w, NULL, ptv);
|
|
|
|
+ else
|
|
|
|
+ ret = ::select(maxfd + 1, &r, &w, NULL, ptv);
|
|
|
|
+ if (ret < 0 && errno == EBADF) {
|
|
|
|
+ return mark_bad_descriptors(fds, nfds);
|
|
|
|
+ }
|
|
|
|
+ if (ret <= 0)
|
|
|
|
+ return ret;
|
|
|
|
+
|
|
|
|
+ // Set the revents flags.
|
|
|
|
+ ret = 0;
|
|
|
|
+ for (int i = 0; i < nfds; ++i) {
|
|
|
|
+ pollfd &fd(fds[i]);
|
|
|
|
+ fd.revents = 0;
|
|
|
|
+ if (fd.fd >= 0 && fd.fd < FD_SETSIZE) {
|
|
|
|
+ if ((fd.events & POLLIN) && FD_ISSET(fd.fd, &r))
|
|
|
|
+ fd.revents |= POLLIN;
|
|
|
|
+ if ((fd.events & POLLOUT) && FD_ISSET(fd.fd, &w))
|
|
|
|
+ fd.revents |= POLLOUT;
|
|
|
|
+ if (fd.revents)
|
|
|
|
+ ++ret;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ Q_ASSERT(ret > 0);
|
|
|
|
+ return ret;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
QT_END_NAMESPACE
|
2014-04-02 18:04:42 +00:00
|
|
|
diff -up qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix_p.h.poll qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix_p.h
|
|
|
|
--- qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix_p.h.poll 2014-03-30 15:36:48.000000000 -0500
|
|
|
|
+++ qt-everywhere-opensource-src-4.8.6/src/corelib/kernel/qcore_unix_p.h 2014-03-31 18:01:59.370715392 -0500
|
|
|
|
@@ -345,9 +345,42 @@ static inline pid_t qt_safe_waitpid(pid_
|
2012-10-31 12:20:22 +00:00
|
|
|
|
|
|
|
timeval qt_gettime(); // in qelapsedtimer_mac.cpp or qtimestamp_unix.cpp
|
|
|
|
|
|
|
|
+// Deprecated due to FD_SETSIZE limitation, use qt_safe_poll instead.
|
|
|
|
Q_CORE_EXPORT int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
|
|
|
|
const struct timeval *tv);
|
|
|
|
|
|
|
|
+#ifndef Q_OS_VXWORKS
|
|
|
|
+#include <poll.h>
|
|
|
|
+#else
|
|
|
|
+
|
|
|
|
+// Poll emulation for VxWorks.
|
|
|
|
+
|
|
|
|
+struct pollfd {
|
|
|
|
+ int fd;
|
|
|
|
+ short events;
|
|
|
|
+ short revents;
|
|
|
|
+};
|
|
|
|
+
|
|
|
|
+#define POLLIN 1
|
|
|
|
+#define POLLOUT 2
|
|
|
|
+#define POLLERR 4
|
|
|
|
+#define POLLHUP 8
|
|
|
|
+#define POLLNVAL 16
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+inline bool qt_readable(const pollfd &fd)
|
|
|
|
+{
|
|
|
|
+ return fd.fd >= 0 && (fd.revents & (POLLIN | POLLHUP | POLLERR | POLLNVAL)) != 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+inline bool qt_writable(const pollfd &fd)
|
|
|
|
+{
|
|
|
|
+ return fd.fd >= 0 && (fd.revents & (POLLOUT | POLLHUP | POLLERR | POLLNVAL)) != 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+Q_CORE_EXPORT int qt_safe_poll(pollfd *fds, int nfds, int timeout,
|
|
|
|
+ bool retry_eintr = true);
|
|
|
|
+
|
|
|
|
// according to X/OPEN we have to define semun ourselves
|
|
|
|
// we use prefix as on some systems sem.h will have it
|
|
|
|
struct semid_ds;
|
2014-04-02 18:04:42 +00:00
|
|
|
diff -up qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalserver_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalserver_unix.cpp
|
|
|
|
--- qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalserver_unix.cpp.poll 2014-03-30 15:36:49.000000000 -0500
|
|
|
|
+++ qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalserver_unix.cpp 2014-03-31 18:01:59.370715392 -0500
|
|
|
|
@@ -208,16 +208,11 @@ void QLocalServerPrivate::_q_onNewConnec
|
2012-10-31 12:20:22 +00:00
|
|
|
|
|
|
|
void QLocalServerPrivate::waitForNewConnection(int msec, bool *timedOut)
|
|
|
|
{
|
|
|
|
- fd_set readfds;
|
|
|
|
- FD_ZERO(&readfds);
|
|
|
|
- FD_SET(listenSocket, &readfds);
|
|
|
|
+ struct pollfd fd;
|
|
|
|
+ fd.fd = listenSocket;
|
|
|
|
+ fd.events = POLLIN;
|
|
|
|
|
|
|
|
- timeval timeout;
|
|
|
|
- timeout.tv_sec = msec / 1000;
|
|
|
|
- timeout.tv_usec = (msec % 1000) * 1000;
|
|
|
|
-
|
|
|
|
- int result = -1;
|
|
|
|
- result = qt_safe_select(listenSocket + 1, &readfds, 0, 0, (msec == -1) ? 0 : &timeout);
|
|
|
|
+ int result = qt_safe_poll(&fd, 1, msec);
|
|
|
|
if (-1 == result) {
|
|
|
|
setError(QLatin1String("QLocalServer::waitForNewConnection"));
|
|
|
|
closeServer();
|
2014-04-02 18:04:42 +00:00
|
|
|
diff -up qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalsocket_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalsocket_unix.cpp
|
|
|
|
--- qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalsocket_unix.cpp.poll 2014-03-30 15:36:49.000000000 -0500
|
|
|
|
+++ qt-everywhere-opensource-src-4.8.6/src/network/socket/qlocalsocket_unix.cpp 2014-03-31 18:01:59.370715392 -0500
|
|
|
|
@@ -56,10 +56,6 @@
|
2012-10-31 12:20:22 +00:00
|
|
|
#include <qdebug.h>
|
|
|
|
#include <qelapsedtimer.h>
|
|
|
|
|
|
|
|
-#ifdef Q_OS_VXWORKS
|
|
|
|
-# include <selectLib.h>
|
|
|
|
-#endif
|
|
|
|
-
|
|
|
|
#define QT_CONNECT_TIMEOUT 30000
|
|
|
|
|
|
|
|
QT_BEGIN_NAMESPACE
|
2014-04-02 18:04:42 +00:00
|
|
|
@@ -520,32 +516,17 @@ bool QLocalSocket::waitForConnected(int
|
2012-10-31 12:20:22 +00:00
|
|
|
if (state() != ConnectingState)
|
|
|
|
return (state() == ConnectedState);
|
|
|
|
|
|
|
|
- fd_set fds;
|
|
|
|
- FD_ZERO(&fds);
|
|
|
|
- FD_SET(d->connectingSocket, &fds);
|
|
|
|
-
|
|
|
|
- timeval timeout;
|
|
|
|
- timeout.tv_sec = msec / 1000;
|
|
|
|
- timeout.tv_usec = (msec % 1000) * 1000;
|
|
|
|
-
|
|
|
|
- // timeout can not be 0 or else select will return an error.
|
|
|
|
- if (0 == msec)
|
|
|
|
- timeout.tv_usec = 1000;
|
|
|
|
+ pollfd fd;
|
|
|
|
+ fd.fd = d->connectingSocket;
|
|
|
|
+ fd.events = POLLIN | POLLOUT;
|
|
|
|
|
|
|
|
int result = -1;
|
|
|
|
// on Linux timeout will be updated by select, but _not_ on other systems.
|
|
|
|
QElapsedTimer timer;
|
|
|
|
+ int remaining = msec;
|
|
|
|
timer.start();
|
|
|
|
- while (state() == ConnectingState
|
|
|
|
- && (-1 == msec || timer.elapsed() < msec)) {
|
|
|
|
-#ifdef Q_OS_SYMBIAN
|
|
|
|
- // On Symbian, ready-to-write is signaled when non-blocking socket
|
|
|
|
- // connect is finised. Is ready-to-read really used on other
|
|
|
|
- // UNIX paltforms when using non-blocking AF_UNIX socket?
|
|
|
|
- result = ::select(d->connectingSocket + 1, 0, &fds, 0, &timeout);
|
|
|
|
-#else
|
|
|
|
- result = ::select(d->connectingSocket + 1, &fds, 0, 0, &timeout);
|
|
|
|
-#endif
|
|
|
|
+ while (state() == ConnectingState) {
|
|
|
|
+ result = qt_safe_poll(&fd, 1, remaining, /* retry_eintr */ false);
|
|
|
|
if (-1 == result && errno != EINTR) {
|
|
|
|
d->errorOccurred( QLocalSocket::UnknownSocketError,
|
|
|
|
QLatin1String("QLocalSocket::waitForConnected"));
|
2014-04-02 18:04:42 +00:00
|
|
|
@@ -553,6 +534,11 @@ bool QLocalSocket::waitForConnected(int
|
2012-10-31 12:20:22 +00:00
|
|
|
}
|
|
|
|
if (result > 0)
|
|
|
|
d->_q_connectToSocket();
|
|
|
|
+ if (msec >= 0) {
|
|
|
|
+ remaining = timer.elapsed() - msec;
|
|
|
|
+ if (remaining < 0)
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
}
|
|
|
|
|
|
|
|
return (state() == ConnectedState);
|
2014-04-02 18:04:42 +00:00
|
|
|
diff -up qt-everywhere-opensource-src-4.8.6/src/network/socket/qnativesocketengine_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/network/socket/qnativesocketengine_unix.cpp
|
|
|
|
--- qt-everywhere-opensource-src-4.8.6/src/network/socket/qnativesocketengine_unix.cpp.poll 2014-03-30 15:36:49.000000000 -0500
|
|
|
|
+++ qt-everywhere-opensource-src-4.8.6/src/network/socket/qnativesocketengine_unix.cpp 2014-03-31 18:01:59.371715381 -0500
|
|
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@@ -1068,48 +1068,40 @@ qint64 QNativeSocketEnginePrivate::nativ
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2012-10-31 12:20:22 +00:00
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int QNativeSocketEnginePrivate::nativeSelect(int timeout, bool selectForRead) const
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{
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- fd_set fds;
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- FD_ZERO(&fds);
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- FD_SET(socketDescriptor, &fds);
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-
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- struct timeval tv;
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- tv.tv_sec = timeout / 1000;
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- tv.tv_usec = (timeout % 1000) * 1000;
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-
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- int retval;
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- if (selectForRead)
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- retval = qt_safe_select(socketDescriptor + 1, &fds, 0, 0, timeout < 0 ? 0 : &tv);
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- else
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- retval = qt_safe_select(socketDescriptor + 1, 0, &fds, 0, timeout < 0 ? 0 : &tv);
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-
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- return retval;
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+ struct pollfd fd;
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+ fd.fd = socketDescriptor;
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+ if (selectForRead) {
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+ fd.events = POLLIN;
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+ } else {
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+ fd.events = POLLOUT;
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+ }
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+ return qt_safe_poll(&fd, 1, timeout);
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}
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int QNativeSocketEnginePrivate::nativeSelect(int timeout, bool checkRead, bool checkWrite,
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bool *selectForRead, bool *selectForWrite) const
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{
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- fd_set fdread;
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- FD_ZERO(&fdread);
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+ struct pollfd fd;
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+ fd.fd = socketDescriptor;
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if (checkRead)
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- FD_SET(socketDescriptor, &fdread);
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-
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- fd_set fdwrite;
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- FD_ZERO(&fdwrite);
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+ fd.events = POLLIN;
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+ else
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+ fd.events = 0;
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if (checkWrite)
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- FD_SET(socketDescriptor, &fdwrite);
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-
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- struct timeval tv;
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- tv.tv_sec = timeout / 1000;
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- tv.tv_usec = (timeout % 1000) * 1000;
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-
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- int ret;
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- ret = qt_safe_select(socketDescriptor + 1, &fdread, &fdwrite, 0, timeout < 0 ? 0 : &tv);
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-
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+ fd.events |= POLLOUT;
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+ int ret = qt_safe_poll(&fd, 1, timeout);
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if (ret <= 0)
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- return ret;
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- *selectForRead = FD_ISSET(socketDescriptor, &fdread);
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- *selectForWrite = FD_ISSET(socketDescriptor, &fdwrite);
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-
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+ return ret;
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+ bool r = (fd.revents & (POLLIN | POLLHUP | POLLERR)) != 0;
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+ bool w = (fd.revents & (POLLOUT | POLLHUP | POLLERR)) != 0;
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+ // Emulate the return value from select(2).
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+ ret = 0;
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+ if (r)
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+ ++ret;
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+ if (w)
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+ ++ret;
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+ *selectForRead = r;
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+ *selectForWrite = w;
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return ret;
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}
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2014-04-02 18:04:42 +00:00
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diff -up qt-everywhere-opensource-src-4.8.6/src/qt3support/network/q3socketdevice_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/qt3support/network/q3socketdevice_unix.cpp
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--- qt-everywhere-opensource-src-4.8.6/src/qt3support/network/q3socketdevice_unix.cpp.poll 2014-03-30 15:36:49.000000000 -0500
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+++ qt-everywhere-opensource-src-4.8.6/src/qt3support/network/q3socketdevice_unix.cpp 2014-03-31 18:01:59.371715381 -0500
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@@ -68,6 +68,7 @@ static inline int qt_socket_socket(int d
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2012-10-31 12:20:22 +00:00
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#endif
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#include "q3socketdevice.h"
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+#include "private/qcore_unix_p.h"
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#ifndef QT_NO_NETWORK
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2014-04-02 18:04:42 +00:00
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@@ -588,19 +589,10 @@ Q_LONG Q3SocketDevice::waitForMore( int
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2012-10-31 12:20:22 +00:00
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{
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if ( !isValid() )
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return -1;
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- if ( fd >= FD_SETSIZE )
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- return -1;
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-
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- fd_set fds;
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- struct timeval tv;
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-
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- FD_ZERO( &fds );
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- FD_SET( fd, &fds );
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-
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- tv.tv_sec = msecs / 1000;
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- tv.tv_usec = (msecs % 1000) * 1000;
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- int rv = select( fd+1, &fds, 0, 0, msecs < 0 ? 0 : &tv );
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+ pollfd pfd;
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+ pfd.fd = fd;
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+ int rv = qt_safe_poll(&pfd, 1, msecs, /* retry_eintr */ false);
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if ( rv < 0 )
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return -1;
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2014-04-02 18:04:42 +00:00
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diff -up qt-everywhere-opensource-src-4.8.6/src/qt3support/other/q3process_unix.cpp.poll qt-everywhere-opensource-src-4.8.6/src/qt3support/other/q3process_unix.cpp
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--- qt-everywhere-opensource-src-4.8.6/src/qt3support/other/q3process_unix.cpp.poll 2014-03-30 15:36:49.000000000 -0500
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+++ qt-everywhere-opensource-src-4.8.6/src/qt3support/other/q3process_unix.cpp 2014-03-31 18:01:59.372715370 -0500
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2012-10-31 12:20:22 +00:00
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@@ -981,13 +981,10 @@ bool Q3Process::isRunning() const
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// On heavy processing, the socket notifier for the sigchild might not
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// have found time to fire yet.
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if ( d->procManager && d->procManager->sigchldFd[1] < FD_SETSIZE ) {
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- fd_set fds;
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- struct timeval tv;
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- FD_ZERO( &fds );
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- FD_SET( d->procManager->sigchldFd[1], &fds );
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- tv.tv_sec = 0;
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- tv.tv_usec = 0;
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- if ( ::select( d->procManager->sigchldFd[1]+1, &fds, 0, 0, &tv ) > 0 )
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+ pollfd fd;
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+ fd.fd = d->procManager->sigchldFd[1];
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+ fd.events = POLLIN;
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+ if ( qt_safe_poll(&fd, 1, 0, /* retry_eintr */ false) > 0 )
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d->procManager->sigchldHnd( d->procManager->sigchldFd[1] );
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}
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@@ -1124,29 +1121,21 @@ void Q3Process::socketRead( int fd )
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}
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}
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- if ( fd < FD_SETSIZE ) {
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- fd_set fds;
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- struct timeval tv;
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- FD_ZERO( &fds );
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- FD_SET( fd, &fds );
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- tv.tv_sec = 0;
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- tv.tv_usec = 0;
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- while ( ::select( fd+1, &fds, 0, 0, &tv ) > 0 ) {
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- // prepare for the next round
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- FD_ZERO( &fds );
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- FD_SET( fd, &fds );
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- // read data
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- ba = new QByteArray( basize );
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- n = ::read( fd, ba->data(), basize );
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- if ( n > 0 ) {
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- ba->resize( n );
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- buffer->append( ba );
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- ba = 0;
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- } else {
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- delete ba;
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- ba = 0;
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- break;
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- }
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+ pollfd pfd;
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+ pfd.fd = fd;
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+ pfd.events = POLLIN;
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+ while (qt_safe_poll(&pfd, 1, 0)) {
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+ // read data
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+ ba = new QByteArray( basize );
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+ n = ::read( fd, ba->data(), basize );
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+ if ( n > 0 ) {
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+ ba->resize( n );
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+ buffer->append( ba );
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+ ba = 0;
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+ } else {
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+ delete ba;
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+ ba = 0;
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+ break;
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}
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}
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