C++ (Cpp) set_sop Examples

Example #1

File: gen_win.cpp Project: jakexie/micmac-archeos

void Data_Elise_Raster_W::rset_sop(Elise_Set_Of_Palette sop)
{
    set_sop(sop);
    _ddsop = _derd->get_comp_pal(sop);
}

Example #2

File: rcv_copy.c Project: StrausMG/learning

int main (int argc, char** argv)
{
//=============== CHECKING_MAIN_ARGS ========================================
    ASSERT_rcv (argc == 1,
                "ERROR: the program needs no arguments");

//=============== CREATING_SEMAPHORES_&_SOPS ================================
    ASSERT_rcv (creat ("key_file", 0644) != -1,
                "ERROR: creat (sem, key_file) failed");

    int semkey = ftok ("key_file", 2);
    ASSERT_rcv (semkey != -1,
                "ERROR: ftok (sem) failed");

    int semid = semget (semkey, NSEMS, IPC_CREAT | 0644);
	ASSERT_rcv (semid != -1,
                "ERROR: semget failed");

    struct sembuf sops[SOPS_SIZE];

//=============== TRYING_TO_START_WORK ======================================
    set_sop (sops, 0, SEM_RCV_CAN_START, 0, IPC_NOWAIT);
    set_sop (sops, 1, SEM_RCV_CAN_START, 1, 0);
    set_sop (sops, 2, SEM_RCV_ALIVE,     1, 0);
    set_sop (sops, 3, SEM_RCV_ALIVE,    -1, SEM_UNDO);
    set_sop (sops, 4, SEM_SND_MUTEX,     1, SEM_UNDO);
    set_sop (sops, 5, SEM_SND_MUTEX,    -1, 0);
    set_sop (sops, 6, SEM_RCV_READY,     1, 0);

    if (semop   (semid, sops, 7) == -1) return 0;

//=============== CREATING_SHARED_MEMORY_&_ATTACHING ========================
    ASSERT_rcv (creat ("key_file", 0644) != -1,
                "ERROR: creat (shm, key_file) failed");

    int shmkey = ftok ("key_file", 1);
    ASSERT_rcv (shmkey != -1,
                "ERROR: ftok (shm) failed");

    int shmid = shmget (shmkey, BUF_SIZE + sizeof(int) + 1, IPC_CREAT | 0644);
	ASSERT_rcv (shmid != -1,
                "ERROR: shmget failed");

    void* shmptr = shmat (shmid, NULL, 0);

//=============== GETTING_THE_FILE_FROM_SENDER ==============================
    set_sop (sops, 0, SEM_SND_READY, -1, 0);
    semop (semid, sops, 1);

    while (1) {
        set_sop (sops, 0, SEM_SND_ALIVE, 0, IPC_NOWAIT);
        smart_ASSERT_rcv (semop (semid, sops, 1) != -1,
                    "ERROR: Sender is dead");

        set_sop (sops, 0, SEM_RCV_MUTEX, 0, 0);// waiting for news from sender, if reciever can continue
        smart_ASSERT_rcv (semop (semid, sops, 1) != -1,
                    "ERROR: something went wrong while waiting for rcv_mutex == 0");

        set_sop (sops, 0, SEM_SUCCESS, -1, IPC_NOWAIT);
        if (semop (semid, sops, 1) == 0) break;
        printf ("%s", (char*) shmptr);

        set_sop (sops, 0, SEM_SND_MUTEX, -1, IPC_NOWAIT);
        set_sop (sops, 1, SEM_RCV_MUTEX,  1, 0);
        assert (semop (semid, sops, 2) != -1);
    }
//=============== FINISHING_WORK ============================================
    int nBytes = *((int*) &(shmptr[BUF_SIZE]));
    memset (shmptr + nBytes, 0, 1);
    printf ("%s", (char*) shmptr);

    shmdt  (shmptr);
    shmctl (shmid, IPC_RMID, 0);
    semctl (semid, IPC_RMID, 0);

    return 0;
}