C / C++ / MFC

Ratul Thakur wrote:

i am getting the error undefined reference to 'auxDIBImageLoadA' while compiling.

Ratul Thakur wrote:

I have added libglaux.a already in the linker settings.

#include<gl/glaux.h>

ForNow wrote:

First wait worked the second didn't as I did three writes

sysblk.mail = CreateEvent(&sa,
                          FALSE,           // let Windows Re-set
                          FALSE,           // Intially set off
                         (LPCTSTR)"MyEvent");

char buffer[100];
    OVERLAPPED ovlp = {0};

    // Create event in overlapped structure
    // This directly places Event handle in empty Overlapped structure
    ovlp.hEvent = CreateEvent(NULL, false, false, NULL);

    if (ovlp.hEvent == NULL) {
        // You have some error creating the event run some error code
        
    }

    DWORD read;

    do {
        ReadFile(mailslot, buffer, sizeof(buffer), &read, &ovlp);  // ovlp.handle in your case must be sysblk.mail
        buffer[read] = 0;
        WaitForSingleObject(ovlp.hEvent, INFINITE);                // you are then waiting on your event sysblk.mail 
        process_message(buffer);
    } while (strcmp(buffer, "exit"));   // <= Your exit thread condition

HANDLE mailslot = CreateFile("\\\\.\\mailslot\\myslot",
GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_ALWAYS,
0,
NULL);