C++ 关闭文件后,我无法访问它
我在多线程程序中使用以下代码:C++ 关闭文件后,我无法访问它,c++,file-io,fopen,fwrite,fclose,C++,File Io,Fopen,Fwrite,Fclose,我在多线程程序中使用以下代码: class A{ public: FILE *File; bool ThFunc(){ if (CreateDataFile()) std::cout << "File was created\n"; else{ std::cout << "Can't create file\n"; return false;
class A{
public:
FILE *File;
bool ThFunc(){
if (CreateDataFile())
std::cout << "File was created\n";
else{
std::cout << "Can't create file\n";
return false;
}
//work with file
if (CloseDataFile()){
std::cout << "File was closed\n";
return true;
}
else{
std::cout << "Can't close file\n";
return false;
};
};
bool CreateDataFile(){
File = fopen ("binary_file.bin", "wb");
if (File!=NULL)
return true;
else
return false;
};
bool CloseDataFile(){
int t=fclose(File);
if (t!=0)
return false;
else{
//insert the file name in another thread
return true;
}
}
};
A类{
公众:
文件*文件;
bool ThFunc(){
if(CreateDataFile())
std::cout看起来像一个踩踏问题。这样的问题并不少见。你能修复缩进吗。哦,然后发布真实代码。-1不是真实代码。你应该刷新std::cout
。可能还有其他记录的活动尚未发送到控制台。这是从真实代码中剪切出来的。原始的~700行。另一个线程无法写入是消息。@n1k:您发布的代码无效,因此它绝对不是从真实的可编译代码中截取的。