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-rw-r--r--config.tests/x11/xinput/xinput.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/config.tests/x11/xinput/xinput.cpp b/config.tests/x11/xinput/xinput.cpp
index 9a61bc2..1166269 100644
--- a/config.tests/x11/xinput/xinput.cpp
+++ b/config.tests/x11/xinput/xinput.cpp
@@ -1,3 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the config.tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
#ifdef Q_OS_SOLARIS
#error "Not supported."
#else
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/* 
 * Portable condition variable support for windows and pthreads.
 * Everything is inline, this header can be included where needed.
 *
 * APIs generally return 0 on success and non-zero on error,
 * and the caller needs to use its platform's error mechanism to
 * discover the error (errno, or GetLastError())
 *
 * Note that some implementations cannot distinguish between a
 * condition variable wait time-out and successful wait. Most often
 * the difference is moot anyway since the wait condition must be
 * re-checked.
 * PyCOND_TIMEDWAIT, in addition to returning negative on error,
 * thus returns 0 on regular success, 1 on timeout
 * or 2 if it can't tell.
 *
 * There are at least two caveats with using these condition variables,
 * due to the fact that they may be emulated with Semaphores on
 * Windows:
 * 1) While PyCOND_SIGNAL() will wake up at least one thread, we
 *    cannot currently guarantee that it will be one of the threads
 *    already waiting in a PyCOND_WAIT() call.  It _could_ cause
 *    the wakeup of a subsequent thread to try a PyCOND_WAIT(),
 *    including the thread doing the PyCOND_SIGNAL() itself.
 *    The same applies to PyCOND_BROADCAST(), if N threads are waiting
 *    then at least N threads will be woken up, but not necessarily
 *    those already waiting.
 *    For this reason, don't make the scheduling assumption that a
 *    specific other thread will get the wakeup signal
 * 2) The _mutex_ must be held when calling PyCOND_SIGNAL() and
 *    PyCOND_BROADCAST().
 *    While e.g. the posix standard strongly recommends that the mutex
 *    associated with the condition variable is held when a
 *    pthread_cond_signal() call is made, this is not a hard requirement,
 *    although scheduling will not be "reliable" if it isn't.  Here
 *    the mutex is used for internal synchronization of the emulated
 *    Condition Variable.
 */

#ifndef _CONDVAR_H_
#define _CONDVAR_H_

#include "Python.h"

#ifndef _POSIX_THREADS
/* This means pthreads are not implemented in libc headers, hence the macro
   not present in unistd.h. But they still can be implemented as an external
   library (e.g. gnu pth in pthread emulation) */
# ifdef HAVE_PTHREAD_H
#  include <pthread.h> /* _POSIX_THREADS */
# endif
#endif

#ifdef _POSIX_THREADS
/*
 * POSIX support
 */
#define Py_HAVE_CONDVAR

#include <pthread.h>

#define PyCOND_ADD_MICROSECONDS(tv, interval) \
do { /* TODO: add overflow and truncation checks */ \
    tv.tv_usec += (long) interval; \
    tv.tv_sec += tv.tv_usec / 1000000; \
    tv.tv_usec %= 1000000; \
} while (0)

/* We assume all modern POSIX systems have gettimeofday() */
#ifdef GETTIMEOFDAY_NO_TZ
#define PyCOND_GETTIMEOFDAY(ptv) gettimeofday(ptv)
#else
#define PyCOND_GETTIMEOFDAY(ptv) gettimeofday(ptv, (struct timezone *)NULL)
#endif

/* The following functions return 0 on success, nonzero on error */
#define PyMUTEX_T pthread_mutex_t
#define PyMUTEX_INIT(mut)       pthread_mutex_init((mut), NULL)
#define PyMUTEX_FINI(mut)       pthread_mutex_destroy(mut)
#define PyMUTEX_LOCK(mut)       pthread_mutex_lock(mut)
#define PyMUTEX_UNLOCK(mut)     pthread_mutex_unlock(mut)

#define PyCOND_T pthread_cond_t
#define PyCOND_INIT(cond)       pthread_cond_init((cond), NULL)
#define PyCOND_FINI(cond)       pthread_cond_destroy(cond)
#define PyCOND_SIGNAL(cond)     pthread_cond_signal(cond)
#define PyCOND_BROADCAST(cond)  pthread_cond_broadcast(cond)
#define PyCOND_WAIT(cond, mut)  pthread_cond_wait((cond), (mut))

/* return 0 for success, 1 on timeout, -1 on error */
Py_LOCAL_INLINE(int)
PyCOND_TIMEDWAIT(PyCOND_T *cond, PyMUTEX_T *mut, PY_LONG_LONG us)
{
    int r;
    struct timespec ts;
    struct timeval deadline;

    PyCOND_GETTIMEOFDAY(&deadline);
    PyCOND_ADD_MICROSECONDS(deadline, us);
    ts.tv_sec = deadline.tv_sec;
    ts.tv_nsec = deadline.tv_usec * 1000;

    r = pthread_cond_timedwait((cond), (mut), &ts);
    if (r == ETIMEDOUT)
        return 1;
    else if (r)
        return -1;
    else 
        return 0;
}

#elif defined(NT_THREADS)
/*
 * Windows (XP, 2003 server and later, as well as (hopefully) CE) support
 *
 * Emulated condition variables ones that work with XP and later, plus
 * example native support on VISTA and onwards.
 */
#define Py_HAVE_CONDVAR


/* include windows if it hasn't been done before */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>

/* options */
/* non-emulated condition variables are provided for those that want
 * to target Windows Vista.  Modify this macro to enable them.
 */
#ifndef _PY_EMULATED_WIN_CV
#define _PY_EMULATED_WIN_CV 1  /* use emulated condition variables */
#endif

/* fall back to emulation if not targeting Vista */
#if !defined NTDDI_VISTA || NTDDI_VERSION < NTDDI_VISTA
#undef _PY_EMULATED_WIN_CV
#define _PY_EMULATED_WIN_CV 1
#endif