简单例子windows 共享内存 Demo -----(一)
2021-03-20 08:23
标签:error 进程 共享内存 span view def 创建线程 with define ---进程A创建共享内存,并且写入数据, ---然后挂起6s, ---进程B打开共享内存, ---读取进程A写入的数据 ---进程B关闭共享内存 进程A写数据进入共享内存: #include #define SPACENAME _T("ShareMemory") void readMemeryThread(char *str) { } LPCTSTR pszMapName = SPACENAME; hMap = ::CreateFileMapping(INVALID_HANDLE_VALUE, if(pBuffer) { 进程B读取共享内存中数据: #define SPACENAME _T("ShareMemory") HANDLE hMap = NULL; void readMemeryThread(char *str) { } LPCTSTR pszMapName = SPACENAME; if (hMap == NULL) { if (pBuffer) { tips:简单例子以后改良,应使用_beginthreadex创建线程。结束使用_endthreadex 简单例子windows 共享内存 Demo -----(一) 标签:error 进程 共享内存 span view def 创建线程 with define 原文地址:https://www.cnblogs.com/liuruoqian/p/12308275.html
#include
#include
#include
#include
#define MEMERYDATA _T("我是数据")
#define BUF_SIZE 4096
HANDLE hMap = NULL;
int main()
{
std::cout
char data[10] = "我是数据";
LPTSTR pszData = LPTSTR(data);
LPVOID pBuffer = NULL;
NULL,
PAGE_READWRITE,
0,
BUF_SIZE,
pszMapName);
if (hMap) {
pBuffer = ::MapViewOfFile(hMap, FILE_MAP_ALL_ACCESS, 0, 0, BUF_SIZE);
strcpy_s((char*)pBuffer, strlen(data)+1, data);
std::cout }
else {
std::cout }
Sleep(60000);
}
else {
std::cout }
if (pBuffer) {
UnmapViewOfFile(pBuffer);
pBuffer = NULL;
}
if (hMap) {
CloseHandle(hMap);
hMap = NULL;
}
system("pause");
return 0;
}
#include
#include
#include
#define MEMERYDATA _T("我是数据")
int main()
{
std::cout
char data[10] = "我是数据";
LPTSTR pszData = LPTSTR(data);
LPVOID pBuffer = NULL;
hMap = OpenFileMapping(FILE_MAP_ALL_ACCESS, 0, pszMapName);
std::cout }
else {
pBuffer = ::MapViewOfFile(hMap, FILE_MAP_ALL_ACCESS, 0, 0, 0);
if (pBuffer) {
strcpy_s((char*)pBuffer, strlen(data) + 1, data);
std::cout }
else {
std::cout }
}
UnmapViewOfFile(pBuffer);
}
if(hMap) {
CloseHandle(hMap);
hMap = NULL;
}
system("pause");
return 0;
}
文章标题:简单例子windows 共享内存 Demo -----(一)
文章链接:http://soscw.com/essay/66614.html