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C++ LOCK_TEST_WITH_RETURN函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中LOCK_TEST_WITH_RETURN函数的典型用法代码示例。如果您正苦于以下问题：C++ LOCK_TEST_WITH_RETURN函数的具体用法？C++ LOCK_TEST_WITH_RETURN怎么用？C++ LOCK_TEST_WITH_RETURN使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了LOCK_TEST_WITH_RETURN函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: mga_dma_indices

static int mga_dma_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_mga_private_t *dev_priv = dev->dev_private;
	struct drm_device_dma *dma = dev->dma;
	struct drm_buf *buf;
	drm_mga_buf_priv_t *buf_priv;
	drm_mga_indices_t *indices = data;

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	if (indices->idx < 0 || indices->idx > dma->buf_count)
		return -EINVAL;

	buf = dma->buflist[indices->idx];
	buf_priv = buf->dev_private;

	buf_priv->discard = indices->discard;

	if (!mga_verify_state(dev_priv)) {
		if (indices->discard) {
			if (buf_priv->dispatched == 1)
				AGE_BUFFER(buf_priv);
			buf_priv->dispatched = 0;
			mga_freelist_put(dev, buf);
		}
		return -EINVAL;
	}

	WRAP_TEST_WITH_RETURN(dev_priv);

	mga_dma_dispatch_indices(dev, buf, indices->start, indices->end);

	return 0;
}
开发者ID:24hours，项目名称:linux，代码行数:34，代码来源:mga_state.c


示例2: radeon_irq_emit

/* Needs the lock as it touches the ring.
 */
int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_radeon_private_t *dev_priv = dev->dev_private;
	drm_radeon_irq_emit_t *emit = data;
	int result;

	if (!dev_priv) {
		DRM_ERROR("called with no initialization\n");
		return -EINVAL;
	}

	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
		return -EINVAL;

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	result = radeon_emit_irq(dev);

	if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) {
		DRM_ERROR("copy_to_user\n");
		return -EFAULT;
	}

	return 0;
}
开发者ID:wan721，项目名称:DragonFlyBSD，代码行数:27，代码来源:radeon_irq.c


示例3: mga_dma_flush

int mga_dma_flush( DRM_IOCTL_ARGS )
{
	DRM_DEVICE;
	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
	drm_lock_t lock;

	LOCK_TEST_WITH_RETURN( dev, filp );

	DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );

	DRM_DEBUG( "%s%s%s\n",
		   (lock.flags & _DRM_LOCK_FLUSH) ?	"flush, " : "",
		   (lock.flags & _DRM_LOCK_FLUSH_ALL) ?	"flush all, " : "",
		   (lock.flags & _DRM_LOCK_QUIESCENT) ?	"idle, " : "" );

	WRAP_WAIT_WITH_RETURN( dev_priv );

	if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
		mga_do_dma_flush( dev_priv );
	}

	if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
#if MGA_DMA_DEBUG
		int ret = mga_do_wait_for_idle( dev_priv );
		if ( ret < 0 )
			DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
		return ret;
#else
		return mga_do_wait_for_idle( dev_priv );
#endif
	} else {
		return 0;
	}
}
开发者ID:aosm，项目名称:X11，代码行数:34，代码来源:mga_dma.c


示例4: i915_irq_emit

/* Needs the lock as it touches the ring.
 */
int i915_irq_emit(DRM_IOCTL_ARGS)
{
	DRM_DEVICE;
	drm_i915_private_t *dev_priv = dev->dev_private;
	drm_i915_irq_emit_t emit;
	int result;

	LOCK_TEST_WITH_RETURN(dev, filp);

	if (!dev_priv) {
		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
		return DRM_ERR(EINVAL);
	}

	DRM_COPY_FROM_USER_IOCTL(emit, (drm_i915_irq_emit_t __user *) data,
				 sizeof(emit));

	result = i915_emit_irq(dev);

	if (DRM_COPY_TO_USER(emit.irq_seq, &result, sizeof(int))) {
		DRM_ERROR("copy_to_user\n");
		return DRM_ERR(EFAULT);
	}

	return 0;
}
开发者ID:FatSunHYS，项目名称:OSCourseDesign，代码行数:28，代码来源:i915_irq.c


示例5: mga_dma_blit

int mga_dma_blit( struct inode *inode, struct file *filp,
                  unsigned int cmd, unsigned long arg )
{
    drm_file_t *priv = filp->private_data;
    drm_device_t *dev = priv->dev;
    drm_mga_private_t *dev_priv = dev->dev_private;
    drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
    drm_mga_blit_t blit;
    DRM_DEBUG( "%s\n", __FUNCTION__ );

    LOCK_TEST_WITH_RETURN( dev );

    if ( copy_from_user( &blit, (drm_mga_blit_t *)arg, sizeof(blit) ) )
        return -EFAULT;

    if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
        sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;

    if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
        return -EINVAL;

    WRAP_TEST_WITH_RETURN( dev_priv );

    mga_dma_dispatch_blit( dev, &blit );

    /* Make sure we restore the 3D state next time.
     */
    dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

    return 0;
}
开发者ID:nhanh0，项目名称:hah，代码行数:31，代码来源:mga_state.c


示例6: mga_dma_clear

int mga_dma_clear( struct inode *inode, struct file *filp,
                   unsigned int cmd, unsigned long arg )
{
    drm_file_t *priv = filp->private_data;
    drm_device_t *dev = priv->dev;
    drm_mga_private_t *dev_priv = dev->dev_private;
    drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
    drm_mga_clear_t clear;

    LOCK_TEST_WITH_RETURN( dev );

    if ( copy_from_user( &clear, (drm_mga_clear_t *) arg, sizeof(clear) ) )
        return -EFAULT;

    if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
        sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;

    WRAP_TEST_WITH_RETURN( dev_priv );

    mga_dma_dispatch_clear( dev, &clear );

    /* Make sure we restore the 3D state next time.
     */
    dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

    return 0;
}
开发者ID:nhanh0，项目名称:hah，代码行数:27，代码来源:mga_state.c


示例7: savage_bci_buffers

int savage_bci_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	struct drm_device_dma *dma = dev->dma;
	struct drm_dma *d = data;
	int ret = 0;

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	/* Please don't send us buffers.
	 */
	if (d->send_count != 0) {
		DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
			  DRM_CURRENTPID, d->send_count);
		return -EINVAL;
	}

	/* We'll send you buffers.
	 */
	if (d->request_count < 0 || d->request_count > dma->buf_count) {
		DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
			  DRM_CURRENTPID, d->request_count, dma->buf_count);
		return -EINVAL;
	}

	d->granted_count = 0;

	if (d->request_count) {
		ret = savage_bci_get_buffers(dev, file_priv, d);
	}

	return ret;
}
开发者ID:1111saeid，项目名称:jb_kernel_3.0.16_htc_golfu，代码行数:32，代码来源:savage_bci.c


示例8: i830_irq_emit

/* Needs the lock as it touches the ring.
 */
int i830_irq_emit( struct inode *inode, struct file *filp, unsigned int cmd,
		   unsigned long arg )
{
	drm_file_t	  *priv	    = filp->private_data;
	drm_device_t	  *dev	    = priv->head->dev;
	drm_i830_private_t *dev_priv = dev->dev_private;
	drm_i830_irq_emit_t emit;
	int result;

	LOCK_TEST_WITH_RETURN(dev, filp);

	if ( !dev_priv ) {
		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
		return -EINVAL;
	}

	if (copy_from_user( &emit, (drm_i830_irq_emit_t __user *)arg, sizeof(emit) ))
		return -EFAULT;

	result = i830_emit_irq( dev );

	if ( copy_to_user( emit.irq_seq, &result, sizeof(int) ) ) {
		DRM_ERROR( "copy_to_user\n" );
		return -EFAULT;
	}

	return 0;
}
开发者ID:kzlin129，项目名称:tt-gpl，代码行数:30，代码来源:i830_irq.c


示例9: mga_dma_clear

static int mga_dma_clear(DRM_IOCTL_ARGS)
{
	DRM_DEVICE;
	drm_mga_private_t *dev_priv = dev->dev_private;
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	drm_mga_clear_t clear;

	LOCK_TEST_WITH_RETURN(dev, filp);

	DRM_COPY_FROM_USER_IOCTL(clear, (drm_mga_clear_t __user *) data,
				 sizeof(clear));

	if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;

	WRAP_TEST_WITH_RETURN(dev_priv);

	mga_dma_dispatch_clear(dev, &clear);

	/* Make sure we restore the 3D state next time.
	 */
	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

	return 0;
}
开发者ID:cilynx，项目名称:dd-wrt，代码行数:25，代码来源:mga_state.c


示例10: mga_dma_blit

static int mga_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_mga_private_t *dev_priv = dev->dev_private;
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	drm_mga_blit_t *blit = data;
	DRM_DEBUG("\n");

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;

	if (mga_verify_blit(dev_priv, blit->srcorg, blit->dstorg))
		return -EINVAL;

	WRAP_TEST_WITH_RETURN(dev_priv);

	mga_dma_dispatch_blit(dev, blit);

	/* Make sure we restore the 3D state next time.
	 */
	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

	return 0;
}
开发者ID:24hours，项目名称:linux，代码行数:25，代码来源:mga_state.c


示例11: mga_dma_reset

int mga_dma_reset( DRM_IOCTL_ARGS )
{
	DRM_DEVICE;
	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;

	LOCK_TEST_WITH_RETURN( dev, filp );

	return mga_do_dma_reset( dev_priv );
}
开发者ID:aosm，项目名称:X11，代码行数:9，代码来源:mga_dma.c


示例12: mga_dma_reset

int mga_dma_reset( struct inode *inode, struct file *filp,
		   unsigned int cmd, unsigned long arg )
{
	drm_file_t *priv = filp->private_data;
	drm_device_t *dev = priv->dev;
	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;

	LOCK_TEST_WITH_RETURN( dev );

	return mga_do_dma_reset( dev_priv );
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:11，代码来源:mga_dma.c


示例13: savage_bci_event_emit

static int savage_bci_event_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_savage_private_t *dev_priv = dev->dev_private;
	drm_savage_event_emit_t *event = data;

	DRM_DEBUG("\n");

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	event->count = savage_bci_emit_event(dev_priv, event->flags);
	event->count |= dev_priv->event_wrap << 16;

	return 0;
}
开发者ID:1111saeid，项目名称:jb_kernel_3.0.16_htc_golfu，代码行数:14，代码来源:savage_bci.c


示例14: savage_bci_init

static int savage_bci_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_savage_init_t *init = data;

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	switch (init->func) {
	case SAVAGE_INIT_BCI:
		return savage_do_init_bci(dev, init);
	case SAVAGE_CLEANUP_BCI:
		return savage_do_cleanup_bci(dev);
	}

	return -EINVAL;
}
开发者ID:1111saeid，项目名称:jb_kernel_3.0.16_htc_golfu，代码行数:15，代码来源:savage_bci.c


示例15: mga_dma_swap

static int mga_dma_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_mga_private_t *dev_priv = dev->dev_private;
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;

	LOCK_TEST_WITH_RETURN(dev, file_priv);

	if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;

	WRAP_TEST_WITH_RETURN(dev_priv);

	mga_dma_dispatch_swap(dev);

	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

	return 0;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:18，代码来源:mga_state.c


示例16: mga_dma_init

int mga_dma_init( DRM_IOCTL_ARGS )
{
	DRM_DEVICE;
	drm_mga_init_t init;

	LOCK_TEST_WITH_RETURN( dev, filp );

	DRM_COPY_FROM_USER_IOCTL( init, (drm_mga_init_t *)data, sizeof(init) );

	switch ( init.func ) {
	case MGA_INIT_DMA:
		return mga_do_init_dma( dev, &init );
	case MGA_CLEANUP_DMA:
		return mga_do_cleanup_dma( dev );
	}

	return DRM_ERR(EINVAL);
}
开发者ID:aosm，项目名称:X11，代码行数:18，代码来源:mga_dma.c


示例17: mga_dma_iload

int mga_dma_iload( struct inode *inode, struct file *filp,
                   unsigned int cmd, unsigned long arg )
{
    drm_file_t *priv = filp->private_data;
    drm_device_t *dev = priv->dev;
    drm_device_dma_t *dma = dev->dma;
    drm_mga_private_t *dev_priv = dev->dev_private;
    drm_buf_t *buf;
    drm_mga_buf_priv_t *buf_priv;
    drm_mga_iload_t iload;
    DRM_DEBUG( __FUNCTION__ ":\n" );

    LOCK_TEST_WITH_RETURN( dev );

    if ( copy_from_user( &iload, (drm_mga_iload_t *)arg, sizeof(iload) ) )
        return -EFAULT;

#if 0
    if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {
        if ( MGA_DMA_DEBUG )
            DRM_INFO( __FUNCTION__": -EBUSY\n" );
        return -EBUSY;
    }
#endif
    if(iload.idx < 0 || iload.idx > dma->buf_count) return -EINVAL;

    buf = dma->buflist[iload.idx];
    buf_priv = buf->dev_private;

    if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
        mga_freelist_put( dev, buf );
        return -EINVAL;
    }

    WRAP_TEST_WITH_RETURN( dev_priv );

    mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );

    /* Make sure we restore the 3D state next time.
     */
    dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

    return 0;
}
开发者ID:nhanh0，项目名称:hah，代码行数:44，代码来源:mga_state.c


示例18: mga_dma_buffers

int mga_dma_buffers( struct inode *inode, struct file *filp,
		     unsigned int cmd, unsigned long arg )
{
	drm_file_t *priv = filp->private_data;
	drm_device_t *dev = priv->dev;
	drm_device_dma_t *dma = dev->dma;
	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
	drm_dma_t d;
	int ret = 0;

	LOCK_TEST_WITH_RETURN( dev );

	if ( copy_from_user( &d, (drm_dma_t *)arg, sizeof(d) ) )
		return -EFAULT;

	/* Please don't send us buffers.
	 */
	if ( d.send_count != 0 ) {
		DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
			   current->pid, d.send_count );
		return -EINVAL;
	}

	/* We'll send you buffers.
	 */
	if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
		DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
			   current->pid, d.request_count, dma->buf_count );
		return -EINVAL;
	}

	WRAP_TEST_WITH_RETURN( dev_priv );

	d.granted_count = 0;

	if ( d.request_count ) {
		ret = mga_dma_get_buffers( dev, &d );
	}

	if ( copy_to_user( (drm_dma_t *)arg, &d, sizeof(d) ) )
		return -EFAULT;

	return ret;
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:44，代码来源:mga_dma.c


示例19: mga_dma_iload

static int mga_dma_iload(DRM_IOCTL_ARGS)
{
	DRM_DEVICE;
	struct drm_device_dma *dma = dev->dma;
	drm_mga_private_t *dev_priv = dev->dev_private;
	struct drm_buf *buf;
	drm_mga_buf_priv_t *buf_priv;
	drm_mga_iload_t iload;
	DRM_DEBUG("\n");

	LOCK_TEST_WITH_RETURN(dev, filp);

	DRM_COPY_FROM_USER_IOCTL(iload, (drm_mga_iload_t __user *) data,
				 sizeof(iload));

#if 0
	if (mga_do_wait_for_idle(dev_priv) < 0) {
		if (MGA_DMA_DEBUG)
			DRM_INFO("%s: -EBUSY\n", __FUNCTION__);
		return DRM_ERR(EBUSY);
	}
#endif
	if (iload.idx < 0 || iload.idx > dma->buf_count)
		return DRM_ERR(EINVAL);

	buf = dma->buflist[iload.idx];
	buf_priv = buf->dev_private;

	if (mga_verify_iload(dev_priv, iload.dstorg, iload.length)) {
		mga_freelist_put(dev, buf);
		return DRM_ERR(EINVAL);
	}

	WRAP_TEST_WITH_RETURN(dev_priv);

	mga_dma_dispatch_iload(dev, buf, iload.dstorg, iload.length);

	/* Make sure we restore the 3D state next time.
	 */
	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;

	return 0;
}
开发者ID:cilynx，项目名称:dd-wrt，代码行数:43，代码来源:mga_state.c


示例20: savage_bci_event_emit

static int savage_bci_event_emit(DRM_IOCTL_ARGS)
{
	DRM_DEVICE;
	drm_savage_private_t *dev_priv = dev->dev_private;
	drm_savage_event_emit_t event;

	DRM_DEBUG("\n");

	LOCK_TEST_WITH_RETURN(dev, filp);

	DRM_COPY_FROM_USER_IOCTL(event, (drm_savage_event_emit_t __user *)data,
				 sizeof(event));

	event.count = savage_bci_emit_event(dev_priv, event.flags);
	event.count |= dev_priv->event_wrap << 16;
	DRM_COPY_TO_USER_IOCTL(&((drm_savage_event_emit_t __user *)data)->count,
			       event.count, sizeof(event.count));
	return 0;
}
开发者ID:Ionic，项目名称:nx-libs，代码行数:19，代码来源:savage_bci.c



注：本文中的LOCK_TEST_WITH_RETURN函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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