本文整理汇总了C++中MAGIC_CHECK函数的典型用法代码示例。如果您正苦于以下问题：C++ MAGIC_CHECK函数的具体用法？C++ MAGIC_CHECK怎么用？C++ MAGIC_CHECK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MAGIC_CHECK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: videobuf_vmalloc_free
void videobuf_vmalloc_free(struct videobuf_buffer *buf)
{
struct videobuf_vmalloc_memory *mem = buf->priv;
/* mmapped memory can't be freed here, otherwise mmapped region
would be released, while still needed. In this case, the memory
release should happen inside videobuf_vm_close().
So, it should free memory only if the memory were allocated for
read() operation.
*/
if ((buf->memory != V4L2_MEMORY_USERPTR) || buf->baddr)
return;
if (!mem)
return;
MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
vfree(mem->vaddr);
mem->vaddr = NULL;
return;
}
开发者ID:CSCLOG，项目名称:beaglebone，代码行数:23，代码来源:videobuf-vmalloc.c
示例2: __videobuf_iolock
static int __videobuf_iolock(struct videobuf_queue *q,
struct videobuf_buffer *vb,
struct v4l2_framebuffer *fbuf)
{
int err, pages;
dma_addr_t bus;
struct videobuf_dma_sg_memory *mem = vb->priv;
BUG_ON(!mem);
MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);
switch (vb->memory) {
case V4L2_MEMORY_MMAP:
case V4L2_MEMORY_USERPTR:
if (0 == vb->baddr) {
/* no userspace addr -- kernel bounce buffer */
pages = PAGE_ALIGN(vb->size) >> PAGE_SHIFT;
err = videobuf_dma_init_kernel(&mem->dma,
DMA_FROM_DEVICE,
pages);
if (0 != err)
return err;
} else if (vb->memory == V4L2_MEMORY_USERPTR) {
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:23，代码来源:videobuf-dma-sg.c
示例3: videobuf_dma_free
int videobuf_dma_free(struct videobuf_dmabuf *dma)
{
MAGIC_CHECK(dma->magic,MAGIC_DMABUF);
BUG_ON(dma->sglen);
if (dma->pages) {
int i;
for (i=0; i < dma->nr_pages; i++)
page_cache_release(dma->pages[i]);
kfree(dma->pages);
dma->pages = NULL;
}
vfree(dma->vmalloc);
dma->vmalloc = NULL;
dma->varea = NULL;
if (dma->bus_addr) {
dma->bus_addr = 0;
}
dma->direction = PCI_DMA_NONE;
return 0;
}
开发者ID:PennPanda，项目名称:linux-repo，代码行数:23，代码来源:videobuf-dma-sg.c
示例4: videobuf_vmalloc_free
void videobuf_vmalloc_free(struct videobuf_buffer *buf)
{
struct videobuf_vmalloc_memory *mem = buf->priv;
/*
*/
if ((buf->memory != V4L2_MEMORY_USERPTR) || buf->baddr)
return;
if (!mem)
return;
MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
vfree(mem->vaddr);
mem->vaddr = NULL;
return;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:23，代码来源:videobuf-vmalloc.c
示例5: __videobuf_mmap_free
/* Locking: Caller holds q->vb_lock */
static int __videobuf_mmap_free(struct videobuf_queue *q)
{
int i;
if (!q)
return 0;
MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
for (i = 0; i < VIDEO_MAX_FRAME; i++)
if (q->bufs[i] && q->bufs[i]->map)
return -EBUSY;
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
q->ops->buf_release(q, q->bufs[i]);
kfree(q->bufs[i]);
q->bufs[i] = NULL;
}
return 0;
}
开发者ID:mephistophilis，项目名称:samsung_nowplus_kernel，代码行数:24，代码来源:videobuf-core.c
示例6: sipsess_close_handler
static void sipsess_close_handler(int err, const struct sip_msg *msg,
void *arg)
{
struct call *call = arg;
char reason[128] = "";
MAGIC_CHECK(call);
if (err) {
info("%s: session closed: %m\n", call->peer_uri, err);
if (call->not) {
(void)call_notify_sipfrag(call, 500, "%m", err);
}
}
else if (msg) {
call->scode = msg->scode;
(void)re_snprintf(reason, sizeof(reason), "%u %r",
msg->scode, &msg->reason);
info("%s: session closed: %u %r\n",
call->peer_uri, msg->scode, &msg->reason);
if (call->not) {
(void)call_notify_sipfrag(call, msg->scode,
"%r", &msg->reason);
}
}
else {
info("%s: session closed\n", call->peer_uri);
}
call_stream_stop(call);
call_event_handler(call, CALL_EVENT_CLOSED, reason);
}
开发者ID:sealaunch，项目名称:baresip，代码行数:37，代码来源:call.c
示例7: videobuf_vm_close
static void
videobuf_vm_close(struct vm_area_struct *vma)
{
struct videobuf_mapping *map = vma->vm_private_data;
struct videobuf_queue *q = map->q;
struct videobuf_dma_sg_memory *mem;
int i;
dprintk(2,"vm_close %p [count=%d,vma=%08lx-%08lx]\n",map,
map->count,vma->vm_start,vma->vm_end);
map->count--;
if (0 == map->count) {
dprintk(1,"munmap %p q=%p\n",map,q);
mutex_lock(&q->vb_lock);
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
mem=q->bufs[i]->priv;
if (!mem)
continue;
MAGIC_CHECK(mem->magic,MAGIC_SG_MEM);
if (q->bufs[i]->map != map)
continue;
q->bufs[i]->map = NULL;
q->bufs[i]->baddr = 0;
q->ops->buf_release(q,q->bufs[i]);
}
mutex_unlock(&q->vb_lock);
kfree(map);
}
return;
}
开发者ID:johnny，项目名称:CobraDroidBeta，代码行数:36，代码来源:videobuf-dma-sg.c
示例8: evas_gl_new
EAPI Evas_GL *
evas_gl_new(Evas *e)
{
Evas_GL *evas_gl;
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
evas_gl = calloc(1, sizeof(Evas_GL));
if (!evas_gl) return NULL;
evas_gl->magic = MAGIC_EVAS_GL;
evas_gl->evas = eo_data_ref(e, EVAS_CLASS);
if (!evas_gl->evas->engine.func->gl_context_create)
{
ERR("Evas GL engine not available.");
free(evas_gl);
return NULL;
}
return evas_gl;
}
开发者ID:jigpu，项目名称:efl，代码行数:24，代码来源:evas_gl.c
示例9: evas_gl_surface_destroy
EAPI void
evas_gl_surface_destroy(Evas_GL *evas_gl, Evas_GL_Surface *surf)
{
// Magic
MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
return;
MAGIC_CHECK_END();
if (!surf)
{
ERR("Trying to destroy a NULL surface pointer!");
return;
}
// Call Engine's Surface Destroy
evas_gl->evas->engine.func->gl_surface_destroy(evas_gl->evas->engine.data.output, surf->data);
// Remove it from the list
evas_gl->surfaces = eina_list_remove(evas_gl->surfaces, surf);
// Delete the object
free(surf);
surf = NULL;
}
开发者ID:jigpu，项目名称:efl，代码行数:24，代码来源:evas_gl.c
示例10: evas_gl_context_destroy
EAPI void
evas_gl_context_destroy(Evas_GL *evas_gl, Evas_GL_Context *ctx)
{
MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
return;
MAGIC_CHECK_END();
if (!ctx)
{
ERR("Trying to destroy a NULL context pointer!");
return;
}
// Call Engine's destroy
evas_gl->evas->engine.func->gl_context_destroy(evas_gl->evas->engine.data.output, ctx->data);
// Remove it from the list
evas_gl->contexts = eina_list_remove(evas_gl->contexts, ctx);
// Delete the object
free(ctx);
ctx = NULL;
}
开发者ID:jigpu，项目名称:efl，代码行数:24，代码来源:evas_gl.c
示例11: videobuf_queue_is_busy
/* Locking: Only usage in bttv unsafe find way to remove */
int videobuf_queue_is_busy(struct videobuf_queue *q)
{
int i;
MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
if (q->streaming) {
dprintk(1,"busy: streaming active\n");
return 1;
}
if (q->reading) {
dprintk(1,"busy: pending read #1\n");
return 1;
}
if (q->read_buf) {
dprintk(1,"busy: pending read #2\n");
return 1;
}
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
if (q->bufs[i]->map) {
dprintk(1,"busy: buffer #%d mapped\n",i);
return 1;
}
if (q->bufs[i]->state == STATE_QUEUED) {
dprintk(1,"busy: buffer #%d queued\n",i);
return 1;
}
if (q->bufs[i]->state == STATE_ACTIVE) {
dprintk(1,"busy: buffer #%d avtive\n",i);
return 1;
}
}
return 0;
}
开发者ID:PennPanda，项目名称:linux-repo，代码行数:37，代码来源:videobuf-core.c
示例12: __videobuf_mmap_free
/* Locking: Caller holds q->lock */
static int __videobuf_mmap_free(struct videobuf_queue *q)
{
int i;
int rc;
if (!q)
return 0;
MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
rc = CALL(q,mmap_free,q);
if (rc<0)
return rc;
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
q->ops->buf_release(q,q->bufs[i]);
kfree(q->bufs[i]);
q->bufs[i] = NULL;
}
return rc;
}
开发者ID:PennPanda，项目名称:linux-repo，代码行数:25，代码来源:videobuf-core.c
示例13: __videobuf_iolock
static int __videobuf_iolock(struct videobuf_queue *q,
struct videobuf_buffer *vb,
struct v4l2_framebuffer *fbuf)
{
struct videobuf_vmalloc_memory *mem = vb->priv;
int pages;
BUG_ON(!mem);
MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
switch (vb->memory) {
case V4L2_MEMORY_MMAP:
dprintk(1, "%s memory method MMAP\n", __func__);
/* All handling should be done by __videobuf_mmap_mapper() */
if (!mem->vaddr) {
printk(KERN_ERR "memory is not alloced/mmapped.\n");
return -EINVAL;
}
break;
case V4L2_MEMORY_USERPTR:
pages = PAGE_ALIGN(vb->size);
dprintk(1, "%s memory method USERPTR\n", __func__);
if (vb->baddr) {
printk(KERN_ERR "USERPTR is currently not supported\n");
return -EINVAL;
}
/* The only USERPTR currently supported is the one needed for
* read() method.
*/
mem->vaddr = vmalloc_user(pages);
if (!mem->vaddr) {
printk(KERN_ERR "vmalloc (%d pages) failed\n", pages);
return -ENOMEM;
}
dprintk(1, "vmalloc is at addr %p (%d pages)\n",
mem->vaddr, pages);
#if 0
int rc;
/* Kernel userptr is used also by read() method. In this case,
there's no need to remap, since data will be copied to user
*/
if (!vb->baddr)
return 0;
/* FIXME: to properly support USERPTR, remap should occur.
The code below won't work, since mem->vma = NULL
*/
/* Try to remap memory */
rc = remap_vmalloc_range(mem->vma, (void *)vb->baddr, 0);
if (rc < 0) {
printk(KERN_ERR "mmap: remap failed with error %d", rc);
return -ENOMEM;
}
#endif
break;
case V4L2_MEMORY_OVERLAY:
default:
dprintk(1, "%s memory method OVERLAY/unknown\n", __func__);
/* Currently, doesn't support V4L2_MEMORY_OVERLAY */
printk(KERN_ERR "Memory method currently unsupported.\n");
return -EINVAL;
}
return 0;
}
开发者ID:CSCLOG，项目名称:beaglebone，代码行数:74，代码来源:videobuf-vmalloc.c
示例14: __videobuf_iolock
static int __videobuf_iolock(struct videobuf_queue *q,
struct videobuf_buffer *vb,
struct v4l2_framebuffer *fbuf)
{
struct videobuf_vmalloc_memory *mem = vb->priv;
int pages;
BUG_ON(!mem);
MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
switch (vb->memory) {
case V4L2_MEMORY_MMAP:
dprintk(1, "%s memory method MMAP\n", __func__);
if (!mem->vaddr) {
printk(KERN_ERR "memory is not alloced/mmapped.\n");
return -EINVAL;
}
break;
case V4L2_MEMORY_USERPTR:
pages = PAGE_ALIGN(vb->size);
dprintk(1, "%s memory method USERPTR\n", __func__);
if (vb->baddr) {
printk(KERN_ERR "USERPTR is currently not supported\n");
return -EINVAL;
}
mem->vaddr = vmalloc_user(pages);
if (!mem->vaddr) {
printk(KERN_ERR "vmalloc (%d pages) failed\n", pages);
return -ENOMEM;
}
dprintk(1, "vmalloc is at addr %p (%d pages)\n",
mem->vaddr, pages);
#if 0
int rc;
if (!vb->baddr)
return 0;
rc = remap_vmalloc_range(mem->vma, (void *)vb->baddr, 0);
if (rc < 0) {
printk(KERN_ERR "mmap: remap failed with error %d", rc);
return -ENOMEM;
}
#endif
break;
case V4L2_MEMORY_OVERLAY:
default:
dprintk(1, "%s memory method OVERLAY/unknown\n", __func__);
printk(KERN_ERR "Memory method currently unsupported.\n");
return -EINVAL;
}
return 0;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:65，代码来源:videobuf-vmalloc.c
示例15: call_event_handler
static void call_event_handler(struct call *call, enum call_event ev,
const char *str, void *arg)
{
struct ua *ua = arg;
const char *peeruri;
struct call *call2 = NULL;
int err;
MAGIC_CHECK(ua);
peeruri = call_peeruri(call);
/* stop any ringtones */
ua->play = mem_deref(ua->play);
switch (ev) {
case CALL_EVENT_INCOMING:
if (contact_block_access(peeruri)) {
info("ua: blocked access: \"%s\"\n", peeruri);
ua_event(ua, UA_EVENT_CALL_CLOSED, call, str);
mem_deref(call);
break;
}
switch (ua->acc->answermode) {
case ANSWERMODE_EARLY:
(void)call_progress(call);
break;
case ANSWERMODE_AUTO:
(void)call_answer(call, 200);
break;
case ANSWERMODE_MANUAL:
default:
if (list_count(&ua->calls) > 1) {
(void)play_file(&ua->play,
"callwaiting.wav", 3);
}
else {
/* Alert user */
(void)play_file(&ua->play, "ring.wav", -1);
}
ua_event(ua, UA_EVENT_CALL_INCOMING, call, peeruri);
break;
}
break;
case CALL_EVENT_RINGING:
(void)play_file(&ua->play, "ringback.wav", -1);
ua_event(ua, UA_EVENT_CALL_RINGING, call, peeruri);
break;
case CALL_EVENT_PROGRESS:
ua_printf(ua, "Call in-progress: %s\n", peeruri);
ua_event(ua, UA_EVENT_CALL_PROGRESS, call, peeruri);
break;
case CALL_EVENT_ESTABLISHED:
ua_printf(ua, "Call established: %s\n", peeruri);
ua_event(ua, UA_EVENT_CALL_ESTABLISHED, call, peeruri);
break;
case CALL_EVENT_CLOSED:
if (call_scode(call)) {
const char *tone;
tone = translate_errorcode(call_scode(call));
if (tone)
(void)play_file(&ua->play, tone, 1);
}
ua_event(ua, UA_EVENT_CALL_CLOSED, call, str);
mem_deref(call);
break;
case CALL_EVENT_TRANSFER:
/*
* Create a new call to transfer target.
*
* NOTE: we will automatically connect a new call to the
* transfer target
*/
ua_printf(ua, "transferring call to %s\n", str);
err = ua_call_alloc(&call2, ua, VIDMODE_ON, NULL, call,
call_localuri(call));
if (!err) {
struct pl pl;
pl_set_str(&pl, str);
err = call_connect(call2, &pl);
//.........这里部分代码省略.........
开发者ID:pasichnichenko，项目名称:baresip，代码行数:101，代码来源:ua.c
示例16: videobuf_read_one
ssize_t videobuf_read_one(struct videobuf_queue *q,
char __user *data, size_t count, loff_t *ppos,
int nonblocking)
{
enum v4l2_field field;
unsigned long flags=0;
unsigned size, nbufs;
int retval;
MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS);
mutex_lock(&q->lock);
nbufs = 1; size = 0;
q->ops->buf_setup(q,&nbufs,&size);
if (NULL == q->read_buf &&
count >= size &&
!nonblocking) {
retval = videobuf_read_zerocopy(q,data,count,ppos);
if (retval >= 0 || retval == -EIO)
/* ok, all done */
goto done;
/* fallback to kernel bounce buffer on failures */
}
if (NULL == q->read_buf) {
/* need to capture a new frame */
retval = -ENOMEM;
q->read_buf = videobuf_alloc(q);
dprintk(1,"video alloc=0x%p\n", q->read_buf);
if (NULL == q->read_buf)
goto done;
q->read_buf->memory = V4L2_MEMORY_USERPTR;
q->read_buf->bsize = count; /* preferred size */
field = videobuf_next_field(q);
retval = q->ops->buf_prepare(q,q->read_buf,field);
if (0 != retval) {
kfree (q->read_buf);
q->read_buf = NULL;
goto done;
}
if (q->irqlock)
spin_lock_irqsave(q->irqlock,flags);
q->ops->buf_queue(q,q->read_buf);
if (q->irqlock)
spin_unlock_irqrestore(q->irqlock,flags);
q->read_off = 0;
}
/* wait until capture is done */
retval = videobuf_waiton(q->read_buf, nonblocking, 1);
if (0 != retval)
goto done;
CALL(q,sync,q,q->read_buf);
if (STATE_ERROR == q->read_buf->state) {
/* catch I/O errors */
q->ops->buf_release(q,q->read_buf);
kfree(q->read_buf);
q->read_buf = NULL;
retval = -EIO;
goto done;
}
/* Copy to userspace */
retval=CALL(q,video_copy_to_user,q,data,count,nonblocking);
if (retval<0)
goto done;
q->read_off += retval;
if (q->read_off == q->read_buf->size) {
/* all data copied, cleanup */
q->ops->buf_release(q,q->read_buf);
kfree(q->read_buf);
q->read_buf = NULL;
}
done:
mutex_unlock(&q->lock);
return retval;
}
开发者ID:PennPanda，项目名称:linux-repo，代码行数:86，代码来源:videobuf-core.c
示例17: videobuf_qbuf
int videobuf_qbuf(struct videobuf_queue *q, struct v4l2_buffer *b)
{
struct videobuf_buffer *buf;
enum v4l2_field field;
unsigned long flags = 0;
int retval;
MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
if (b->memory == V4L2_MEMORY_MMAP)
down_read(¤t->mm->mmap_sem);
videobuf_queue_lock(q);
retval = -EBUSY;
if (q->reading) {
dprintk(1, "qbuf: Reading running...\n");
goto done;
}
retval = -EINVAL;
if (b->type != q->type) {
dprintk(1, "qbuf: Wrong type.\n");
goto done;
}
if (b->index >= VIDEO_MAX_FRAME) {
dprintk(1, "qbuf: index out of range.\n");
goto done;
}
buf = q->bufs[b->index];
if (NULL == buf) {
dprintk(1, "qbuf: buffer is null.\n");
goto done;
}
MAGIC_CHECK(buf->magic, MAGIC_BUFFER);
if (buf->memory != b->memory) {
dprintk(1, "qbuf: memory type is wrong.\n");
goto done;
}
if (buf->state != VIDEOBUF_NEEDS_INIT && buf->state != VIDEOBUF_IDLE) {
dprintk(1, "qbuf: buffer is already queued or active.\n");
goto done;
}
switch (b->memory) {
case V4L2_MEMORY_MMAP:
if (0 == buf->baddr) {
dprintk(1, "qbuf: mmap requested but buffer addr is zero!\n");
goto done;
}
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT
|| q->type == V4L2_BUF_TYPE_VBI_OUTPUT
|| q->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT
|| q->type == V4L2_BUF_TYPE_SDR_OUTPUT) {
buf->size = b->bytesused;
buf->field = b->field;
buf->ts = v4l2_timeval_to_ns(&b->timestamp);
}
break;
case V4L2_MEMORY_USERPTR:
if (b->length < buf->bsize) {
dprintk(1, "qbuf: buffer length is not enough\n");
goto done;
}
if (VIDEOBUF_NEEDS_INIT != buf->state &&
buf->baddr != b->m.userptr)
q->ops->buf_release(q, buf);
buf->baddr = b->m.userptr;
break;
case V4L2_MEMORY_OVERLAY:
buf->boff = b->m.offset;
break;
default:
dprintk(1, "qbuf: wrong memory type\n");
goto done;
}
dprintk(1, "qbuf: requesting next field\n");
field = videobuf_next_field(q);
retval = q->ops->buf_prepare(q, buf, field);
if (0 != retval) {
dprintk(1, "qbuf: buffer_prepare returned %d\n", retval);
goto done;
}
list_add_tail(&buf->stream, &q->stream);
if (q->streaming) {
spin_lock_irqsave(q->irqlock, flags);
q->ops->buf_queue(q, buf);
spin_unlock_irqrestore(q->irqlock, flags);
}
dprintk(1, "qbuf: succeeded\n");
retval = 0;
wake_up_interruptible_sync(&q->wait);
done:
videobuf_queue_unlock(q);
if (b->memory == V4L2_MEMORY_MMAP)
up_read(¤t->mm->mmap_sem);
return retval;
//.........这里部分代码省略.........
开发者ID:Anjali05，项目名称:linux，代码行数:101，代码来源:videobuf-core.c
示例18: __videobuf_mmap_mapper
static int __videobuf_mmap_mapper(struct videobuf_queue *q,
struct videobuf_buffer *buf,
struct vm_area_struct *vma)
{
struct videobuf_vmalloc_memory *mem;
struct videobuf_mapping *map;
int retval, pages;
dprintk(1, "%s\n", __func__);
/* create mapping + update buffer list */
map = kzalloc(sizeof(struct videobuf_mapping), GFP_KERNEL);
if (NULL == map)
return -ENOMEM;
buf->map = map;
map->q = q;
buf->baddr = vma->vm_start;
mem = buf->priv;
BUG_ON(!mem);
MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
pages = PAGE_ALIGN(vma->vm_end - vma->vm_start);
mem->vaddr = vmalloc_user(pages);
if (!mem->vaddr) {
printk(KERN_ERR "vmalloc (%d pages) failed\n", pages);
goto error;
}
dprintk(1, "vmalloc is at addr %p (%d pages)\n", mem->vaddr, pages);
/* Try to remap memory */
retval = remap_vmalloc_range(vma, mem->vaddr, 0);
if (retval < 0) {
printk(KERN_ERR "mmap: remap failed with error %d. ", retval);
vfree(mem->vaddr);
goto error;
}
vma->vm_ops = &videobuf_vm_ops;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED;
#else
vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
#endif
vma->vm_private_data = map;
dprintk(1, "mmap %p: q=%p %08lx-%08lx (%lx) pgoff %08lx buf %d\n",
map, q, vma->vm_start, vma->vm_end,
(long int)buf->bsize,
vma->vm_pgoff, buf->i);
videobuf_vm_open(vma);
return 0;
error:
mem = NULL;
kfree(map);
return -ENOMEM;
}
开发者ID:beam，项目名称:linux-tbs-drivers，代码行数:62，代码来源:videobuf-vmalloc.c
示例19: evas_map_coords_get
Eina_Bool
evas_map_coords_get(const Evas_Map *m, Evas_Coord x, Evas_Coord y,
Evas_Coord *mx, Evas_Coord *my, int grab)
{
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
return EINA_FALSE;
MAGIC_CHECK_END();
int i, j, edges, edge[m->count][2], douv;
Evas_Coord xe[2];
double u[2] = { 0.0, 0.0 };
double v[2] = { 0.0, 0.0 };
if (m->count < 4) return 0;
// FIXME need to handle grab mode and extrapolte coords outside
// map
if (grab)
{
Evas_Coord ymin, ymax;
ymin = m->points[0].y;
ymax = m->points[0].y;
for (i = 1; i < m->count; i++)
{
if (m->points[i].y < ymin) ymin = m->points[i].y;
else if (m->points[i].y > ymax) ymax = m->points[i].y;
}
if (y <= ymin) y = ymin + 1;
if (y >= ymax) y = ymax - 1;
}
edges = 0;
for (i = 0; i < m->count; i++)
{
j = (i + 1) % m->count;
if ((m->points[i].y <= y) && (m->points[j].y > y))
{
edge[edges][0] = i;
edge[edges][1] = j;
edges++;
}
else if ((m->points[j].y <= y) && (m->points[i].y > y))
{
edge[edges][0] = j;
edge[edges][1] = i;
edges++;
}
}
douv = 0;
if ((mx) || (my)) douv = 1;
for (i = 0; i < (edges - 1); i+= 2)
{
Evas_Coord yp, yd;
j = i + 1;
yd = m->points[edge[i][1]].y - m->points[edge[i][0]].y;
if (yd > 0)
{
yp = y - m->points[edge[i][0]].y;
xe[0] = m->points[edge[i][1]].x - m->points[edge[i][0]].x;
xe[0] = m->points[edge[i][0]].x + ((xe[0] * yp) / yd);
if (douv)
{
u[0] = m->points[edge[i][1]].u - m->points[edge[i][0]].u;
u[0] = m->points[edge[i][0]].u + ((u[0] * yp) / yd);
v[0] = m->points[edge[i][1]].v - m->points[edge[i][0]].v;
v[0] = m->points[edge[i][0]].v + ((v[0] * yp) / yd);
}
}
else
{
xe[0] = m->points[edge[i][0]].x;
if (douv)
{
u[0] = m->points[edge[i][0]].u;
v[0] = m->points[edge[i][0]].v;
}
}
yd = m->points[edge[j][1]].y - m->points[edge[j][0]].y;
if (yd > 0)
{
yp = y - m->points[edge[j][0]].y;
xe[1] = m->points[edge[j][1]].x - m->points[edge[j][0]].x;
xe[1] = m->points[edge[j][0]].x + ((xe[1] * yp) / yd);
if (douv)
{
u[1] = m->points[edge[j][1]].u - m->points[edge[j][0]].u;
u[1] = m->points[edge[j][0]].u + ((u[1] * yp) / yd);
v[1] = m->points[edge[j][1]].v - m->points[edge[j][0]].v;
v[1] = m->points[edge[j][0]].v + ((v[1] * yp) / yd);
}
}
else
{
xe[1] = m->points[edge[j][0]].x;
if (douv)
{
u[1] = m->points[edge[j][0]].u;
v[1] = m->points[edge[j][0]].v;
}
}
//.........这里部分代码省略.........
开发者ID:antognolli，项目名称:Evas，代码行数:101，代码来源:evas_map.c
示例20: evas_object_gradient_type_set
/**
* Sets the geometric type displayed by the given gradient object.
* @param obj The given gradient object.
* @param name Name of the geometric type that the gradient is to be drawn as.
* @param params List of allowable params that the given gradient type allows.
* Can be NULL.
*/
EAPI void
evas_object_gradient_type_set(Evas_Object *obj, const char *name, const char *params)
{
Evas_Object_Gradient *o;
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
o = (Evas_Object_Gradient *)(obj->object_data);
MAGIC_CHECK(o, Evas_Object_Gradient, MAGIC_OBJ_GRADIENT);
return;
MAGIC_CHECK_END();
if (!name || !*name)
{
name = "linear";
params = NULL;
}
if (params && !*params)
params = NULL;
if ((o->cur.type.name) && (!strcmp(o->cur.type.name, name)))
{
if ((!o->cur.type.params) && (!params))
return;
if ((o->cur.type.params) && (params) && (!strcmp(o->cur.type.params, params)))
return;
if (o->cur.type.params)
{
if (o->prev.type.params == o->cur.type.params)
o->prev.type.params = strdup(o->cur.type.params);
free(o->cur.type.params);
o->cur.type.params = NULL;
}
if (params)
o->cur.type.params = strdup(params);
o->changed = 1;
o->gradient_changed = 1;
o->type_changed = 1;
evas_object_change(obj);
return;
}
if (o->cur.type.name)
{
if (o->prev.type.name == o->cur.type.name)
o->prev.type.name = strdup(o->cur.type.name);
free(o->cur.type.name);
o->cur.type.name = NULL;
}
o->cur.type.name = strdup(name);
if (o->cur.type.params)
{
if (o->prev.type.params == o->cur.type.params)
o->prev.type.params = strdup(o->cur.type.params);
free(o->cur.type.params);
o->cur.type.params = NULL;
}
if (params)
o->cur.type.params = strdup(params);
o->changed = 1;
o->gradient_changed = 1;
o->type_changed = 1;
evas_object_change(obj);
}
开发者ID:OpenInkpot-archive，项目名称:iplinux-evas，代码行数:71，代码来源:evas_object_gradient.c
注：本文中的MAGIC_CHECK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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