实验三：生产者与消费者 - 图文

. . . .

GetModuleFileName(NULL,szFilename,MAX_PATH); TCHAR szCmdLine[MAX_PATH]; for ( i = 0; i < 3; i++) {

sprintf(szCmdLine,\,szFilename,i); STARTUPINFO si;

ZeroMemory(reinterpret_cast(&si),sizeof(si)); si.cb=sizeof(si);

bCreateOK=CreateProcess( szFilename, szCmdLine, NULL, NULL, FALSE,

CREATE_DEFAULT_ERROR_MODE, NULL, NULL, &si, &pi);

if (!bCreateOK) {

return false;

. . . .

. . . .

}

lpHandle[num]=pi.hProcess; num++; }

for ( i = 0; i < 2; i++) {

sprintf(szCmdLine,\,szFilename,i); STARTUPINFO si;

ZeroMemory(reinterpret_cast(&si),sizeof(si)); si.cb=sizeof(si);

bCreateOK=CreateProcess( szFilename, szCmdLine, NULL, NULL, FALSE,

CREATE_DEFAULT_ERROR_MODE, NULL, NULL, &si, &pi);

if (!bCreateOK)

. . . .

. . . .

{

return false; }

lpHandle[num]=pi.hProcess; num++; }

return true; }

void Parent() {

printf(\quit.\\n\);

hMutexMapping=CreateMutex(NULL,true,\); HANDLE hMapping=CreateFileMapping( NULL, NULL,

PAGE_READWRITE, 0,

sizeof(LONG), \);

if (hMapping!=INVALID_HANDLE_VALUE) {

. . . .

. . . .

LPVOID pData=MapViewOfFile( hMapping,

FILE_MAP_ALL_ACCESS, 0, 0, 0);

if (pData!=NULL) {

ZeroMemory(pData,sizeof(LONG)); }

struct buf *pnData=reinterpret_cast(pData); pnData->read=0; pnData->write=0; pnData->num=0;

memset(pnData->buffer,0,sizeof(pnData->buffer)); UnmapViewOfFile(pData); }

CreateSemaphore(NULL,3,3,\); CreateSemaphore(NULL,0,3,\); BOOL bCreateOK=StartClone(); if (!bCreateOK) {

. . . .

. . . .

//printf(\ } else {

//printf(\ }

ReleaseMutex(hMutexMapping); }

void Productor(int n) { int j;

printf(\);

hMutexMapping=OpenMutex(MUTEX_ALL_ACCESS,true,\); HANDLE hMapping=OpenFileMapping( FILE_MAP_ALL_ACCESS, NULL, \);

if (hMapping==INVALID_HANDLE_VALUE) {

printf(\); }

. . . .