本文整理汇总了C++中Page::Format方法的典型用法代码示例。如果您正苦于以下问题：C++ Page::Format方法的具体用法？C++ Page::Format怎么用？C++ Page::Format使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Page的用法示例。
在下文中一共展示了Page::Format方法的2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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: __
Heap::Page *Heap::WorkPage(int k) // get a new empty workpage
{
LLOG("AllocK - next work not available " << k << " empty: " << (void *)empty[k]);
Page *page = empty[k]; // hot empty page of the same klass
empty[k] = NULL;
if(!page) { // try to reacquire pages freed remotely
LLOG("AllocK - trying FreeRemote");
FreeRemote();
if(work[k]->freelist) { // partially free page found
LLOG("AllocK - work available after FreeRemote " << k);
return work[k];
}
page = empty[k]; // hot empty page
empty[k] = NULL;
}
if(!page)
for(int i = 0; i < NKLASS; i++) // Try hot local page of different klass
if(empty[i]) {
LLOG("AllocK - free page available for reformatting " << k);
page = empty[i];
empty[i] = NULL;
page->Format(k);
break;
}
if(!page) { // Attempt to find page in global storage of free pages
Mutex::Lock __(mutex);
aux.FreeRemoteRaw();
if(aux.work[k]->next != aux.work[k]) { // Try page of the same klass first
page = aux.work[k]->next;
page->Unlink();
page->heap = this;
LLOG("AllocK - adopting aux page " << k << " page: " << (void *)page << ", free " << (void *)page->freelist);
}
if(!page && aux.empty[k]) { // Try hot empty page of the same klass
page = aux.empty[k];
aux.empty[k] = page->next;
LLOG("AllocK - empty aux page available of the same format " << k << " page: " << (void *)page << ", free " << (void *)page->freelist);
}
if(!page)
for(int i = 0; i < NKLASS; i++) // Finally try to to find hot page of different klass
if(aux.empty[i]) {
page = aux.empty[i];
aux.empty[i] = page->next;
page->Format(k);
LLOG("AllocK - empty aux page available for reformatting " << k << " page: " << (void *)page << ", free " << (void *)page->freelist);
break;
}
if(!page) { // Not free memory was found, ask system for the new page
page = (Page *)AllocRaw4KB(Ksz(k));
LLOG("AllocK - allocated new system page " << (void *)page << " " << k);
page->Format(k);
}
page->heap = this;
}
page->Link(work[k]);
ASSERT(page->klass == k);
return page;
}示例2:
inline void *MSmall::AllocK(int k)
{
LOG("AllocK " << (int)k);
Page *page = work[k]->next;
for(;;) {
ASSERT(page->klass == k);
FreeLink *p = page->freelist;
if(p) {
page->freelist = p->next;
++page->active;
return p;
}
if(page->free > page->Begin()) { // Try swapping with freelist
void *p = page->free;
page->free -= page->sz;
++page->active;
return p;
}
if(page->next != page) {
page->active = 255;
page->Unlink();
page->Link(full[k]);
page = work[k]->next;
}
else {
page = empty[k]->next;
if(page->next == page) {
if(emptypages) {
emptypages--;
for(int i = 0; i < 16; i++) { // try inverse direction
page = empty[i]->next;
if(page->next != page) {
page->Unlink();
break;
}
}
ASSERT(page->next != page);
}
else // remote delete should be here!
page = (Page *)AllocRaw4KB();
page->Format(k);
ASSERT(page->klass == k);
}
else {
ASSERT(emptypages > 0);
page->Unlink();
emptypages--;
ASSERT(page->klass == k);
}
page->Link(work[k]);
ASSERT(page->klass == k);
}
}
}