libgfaipc/qttest/main.c

#include <stdio.h>
#include <unistd.h>
#include <gfaipc.h>

#define _UNUSED(v)				v = v

typedef struct _TESTSTRUCT
{
    int nCounter1;
    int nCounter2;
}TESTSTRUCT, *LPTESTSTRUCT;
typedef const TESTSTRUCT *LPCTESTSTRUCT;

#define _UUID_TESTSTRUCT			"8c2e723a-5556-4d90-b5ed-bba8575b6f28"

int main(int argc, char *argv[])
{
    static HSHM hShm = NULL;
    LPTESTSTRUCT p = NULL;

    _UNUSED(argc);
    _UNUSED(argv);

    hShm = GfaIpcAcquireSHM(_UUID_TESTSTRUCT, sizeof(TESTSTRUCT), 1, "Teststruct");

    if(hShm)
    {
        p = (LPTESTSTRUCT)GfaIpcAcquirePointer(hShm);

        GfaIpcLockSHM(hShm);
        printf("In Lock 1!\n");

        GfaIpcLockSHM(hShm);
        printf("In Lock 2!\n");

        sleep(10);

        GfaIpcUnlockSHM(hShm);
        printf("Out of Lock 2!\n");

        sleep(2);

        GfaIpcUnlockSHM(hShm);
        printf("Out of Lock 1!\n");

        GfaIpcReleasePointer(hShm, p);
        GfaIpcReleaseSHM(hShm);
    }

    return 0;
}