?? file.cpp
字號:
// FILE.cpp,v 1.1 2000/04/27 23:43:20 jxh Exp
#include "ace/OS.h"
#include "ace/Synch.h"
#include "JAWS/FILE.h"
JAWS_FILE::JAWS_FILE (void)
: map_ (0)
{
}
JAWS_FILE::~JAWS_FILE (void)
{
delete this->map_;
this->map_ = 0;
}
ACE_Mem_Map *
JAWS_FILE::mem_map (int length,
int prot,
int share,
void *addr,
off_t offset,
LPSECURITY_ATTRIBUTES sa) const
{
JAWS_FILE *mutable_this = (JAWS_FILE *) this;
return mutable_this->mem_map (length, prot, share, addr, offset, sa);
}
ACE_Mem_Map *
JAWS_FILE::mem_map (int length,
int prot,
int share,
void *addr,
off_t offset,
LPSECURITY_ATTRIBUTES sa)
{
if (this->map_ == 0)
{
ACE_Guard<ACE_SYNCH_MUTEX> g (this->lock_);
if (this->map_ == 0)
{
this->map_ = new ACE_Mem_Map;
if (this->map_ != 0)
{
int r = this->map_->map (this->get_handle (),
length, prot, share, addr, offset, sa);
if (r < 0)
{
delete this->map_;
this->map_ = 0;
}
}
}
}
return this->map_;
}
ACE_Mem_Map *
JAWS_FILE::map (void) const
{
return this->map_;
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -