std::cout << "t thread is = " << s << std::endl; s = "cde"; } int main() { std::string s = "abc"; std::thread t(&thread_function, std::move(s)); t.join(); std::cout << "main thread message = " << s << std::endl; return 0; } 结果 t thread is = abc ...
std::thread 传递参数 ①.传递简单数据类型 std::thread 的入口函数中传递简单类型数据,如 int 等,本质上是值传递,可以放心的 detach,如下图: 如上如图,虽然是引用接受参数,但线程中参数的地址和主线程中参数地址却不一样,是拷贝了一个新的参数。 ②.传递指针 std::thread 的入口函数中传递指针时,要小心使用...
C/C++ : converting std::string to const char* I get the error : left of '.c_str' must have class/struct/union type is 'char *' C# to C++ dll - how to pass strings as In/Out parameters to unmanaged functions that expect a string (LPSTR) as a function parameter. C++ int to ...
Empowering everyone to build reliable and efficient software. - rust/library/std/src/thread/mod.rs at master · rust-lang/rust
{ let (tx, rx) = channel(); let x: Box<_> = box 1; let x_in_parent = (&*x) as *const i32 as usize; spawnfn(Box::new(move|| { let x_in_child = (&*x) as *const i32 as usize; tx.send(x_in_child).unwrap(); })); let x_in_child = rx.recv().unwrap(); ...