Example #1
0
void		st_inst(t_core *core, t_proc *proc, int inst)
{
	unsigned char	arg;
	unsigned char	codage;
	unsigned int	adr;
	unsigned int	reg_nb;

	if (!(add_cd_check_valid(core, proc, inst)))
		return ;
	codage = core->map[(proc->pc + 1) % MEM_SIZE];
	reg_nb = fit_reg(read_arg(core->map, proc->pc, inst, 1));
	arg = what_arg(codage, 2);
	if (arg == C_IND)
	{
		adr = pc_pos(proc->pc + read_arg(core->map, proc->pc, inst, 2));
		write_to_map(core->map, proc->reg[reg_nb], adr);
		core->vis_flag == 1 ? replace_field(adr, proc->colour_nbr, core) : 0;
	}
	else if (arg == C_REG)
		write_to_reg(proc->reg[reg_nb],
					read_arg(core->map, proc->pc, inst, 2), proc);
	proc->prev_pc = proc->pc;
	proc->pc = pc_pos(proc->pc + inst_size(inst, codage));
	proc->cd = -1;
}
Example #2
0
int
triple (int arg)
{
  int
  read_arg (void)
  {
    return arg;
  }

  int
  parent (int nested_arg)
  {
    int
    child1 (void)
    {
      return parent (zero (5));
    }

    int
    child2 (void)
    {
      return nested_arg + read_arg ();
    }

    return (nested_arg == 0 ? 0 : child1 ()) + child2 ();
  }
Example #3
0
int main (int argc, char *argv[])
{
    int pfd[2];
    int nwrite;
    pid_t cPid, pPid;
    char psCmnd[40] = "ps -FC pipe";
    char lsofCmndP[40] = "lsof -p";
    char lsofCmndC[40] = "lsof -p";

    /* read arguments for # of messages to process */
    nwrite = read_arg(argc, argv);

    pPid = getpid();
    printf("Parent\'s PID = %d\n", pPid);

    sprintf(lsofCmndP, "%s %d %s", lsofCmndP, pPid, "| grep FIFO");

    /* create pipe */
    if ( pipe(pfd) < 0 )
    {
        fatal("pipe call");
        exit(1);
    }

    printf("\n-----------------------------------------------------------------------------\n");
    printf("Parent's pipe after pipe() (\"%s\")\n", lsofCmndP);
    system(lsofCmndP);
    printf("-------------------------------------------------------------------------------\n\n");

    printf("\n-----------------------------------------------------------------------------\n");
    printf("Processes before fork() (\"%s\")\n", psCmnd);
    system(psCmnd);
    printf("-------------------------------------------------------------------------------\n\n");

    /* create a child  */
    switch( fork() )
    {
        case -1:       /* error */ 
            fatal("fork call");
        case 0:        /* fork() returns 0 to child */
            cPid = getpid();
            printf("Child\'s PID = %d\n", cPid);
            sprintf(lsofCmndC, "%s %d %s", lsofCmndC, cPid, "| grep FIFO");
            printf("\n-----------------------------------------------------------------------------\n");
            printf("Child's pipe after fork() (\"%s\")\n", lsofCmndC);
            system(lsofCmndC);
            printf("-------------------------------------------------------------------------------\n\n");
            do_read(pfd, lsofCmndC);
            break;
        default:       /* fork() returns child's pid to parent */
            sleep(1);
            printf("\n-----------------------------------------------------------------------------\n");
            printf("Processes after fork() (\"%s\")\n", psCmnd);
            system(psCmnd);
            printf("-------------------------------------------------------------------------------\n\n");
            do_write(pfd, nwrite, lsofCmndP);
    }
}
Example #4
0
// main function
int main(int argc, char *argv[]) {
    if (read_arg(argc, argv) == false) {
        return 1;
    }
    signal(SIGINT, handle_sigint);
    if (is_print_bodies) print_bodies("[INPUT]");
    step();
    free_bodies();
    return 0;
}
Example #5
0
int main(int argc, char** argv)
{
    size_t pow = read_arg(argc, argv, 1, 16);
    size_t n = 1 << pow;

    std::cout << "memcopy and daxpy test of size " << n << "\n";

    double* x = malloc_host<double>(n, 1.5);
    double* y = malloc_host<double>(n, 3.0);

    // use dummy fields to avoid cache effects, which make results harder to
    // interpret use 1<<24 to ensure that cache is completely purged for all n
    double* x_ = malloc_host<double>(n, 1.5);
    double* y_ = malloc_host<double>(n, 3.0);

    // openmp version:
    auto start = get_time();
    axpy(n, 2.0, x_, y_);
    auto time_axpy_omp = get_time() - start;

    // openacc version:
    start = get_time();
    axpy_gpu(n, 2.0, x, y);
    auto time_axpy_gpu = get_time() - start;

    std::cout << "-------\ntimings\n-------\n";
    std::cout << "axpy (openmp): "  << time_axpy_omp << " s\n";
    std::cout << "axpy (openacc): " << time_axpy_gpu << " s\n";

    // check for errors
    auto errors = 0;
    #pragma omp parallel for reduction(+:errors)
    for (auto i = 0; i < n; ++i) {
        if (std::fabs(6.-y[i]) > 1e-15) {
            ++errors;
        }
    }

    if (errors > 0) {
        std::cout << "\n============ FAILED with " << errors << " errors\n";
    } else {
        std::cout << "\n============ PASSED\n";
    }

    free(x);
    free(y);
    return 0;
}
Example #6
0
File: app.c Project: HARM67/ft_ls
void	run_app(t_app *app)
{
	t_p_arg	*tmp;
	t_p_arg	*tmp2;

	read_arg(app);
	check_invalide(app);
	print_file(app);
	tmp = (app->reverse_sort) ? app->last_p_arg : app->first_p_arg;
	while (tmp)
	{
		tmp2 = (app->reverse_sort) ? tmp->previous : tmp->next;
		push_path(app, tmp->path);
		parcour(app);
		pop_path(app);
		free(tmp);
		tmp = tmp2;
	}
}
Example #7
0
int main(int argc, char** argv) {
    size_t pow = read_arg(argc, argv, 1, 16);
    size_t n = 1 << pow;
    size_t size_in_bytes = n * sizeof(double);

    std::cout << "memcopy and daxpy test of size " << n << std::endl;

    double* x = malloc_host<double>(n, 1.5);
    double* y = malloc_host<double>(n, 3.0);

    #ifdef FLUSH_CACHE
    // use dummy fields to avoid cache effects, which make results harder to interpret
    // use 1<<24 to ensure that cache is completely purged for all n
    double* x_ = malloc_host<double>(1<<24, 1.5);
    double* y_ = malloc_host<double>(1<<24, 3.0);
    axpy(1<<24, 2.0, x_, y_);
    #endif

    double start = get_time();
    axpy(n, 2.0, x, y);
    double time_axpy = get_time() - start;

    std::cout << "-------\ntimings\n-------" << std::endl;
    std::cout << "axpy : " << time_axpy << " s" << std::endl;
    std::cout << std::endl;

    // check for errors
    int errors = 0;
    for(int i=0; i<n; ++i) {
        if(std::fabs(6.-y[i])>1e-15) {
            errors++;
        }
    }

    if(errors>0) std::cout << "\n============ FAILED with " << errors << " errors" << std::endl;
    else         std::cout << "\n============ PASSED" << std::endl;

    free(x);
    free(y);

    return 0;
}
int main(int argc, char** argv) {
    // set up parameters
    // first argument is the y dimension = 2^arg
    size_t pow    = read_arg(argc, argv, 1, 8);
    // second argument is the number of time steps
    size_t nsteps = read_arg(argc, argv, 2, 100);
    // third argument is nonzero if shared memory version is to be used
    bool use_shared = read_arg(argc, argv, 3, 0);

    // set domain size
    size_t nx = 128+2;
    size_t ny = (1 << pow)+2;
    double dt = 0.1;

    std::cout << "\n## " << nx << "x" << ny
              << " for " << nsteps << " time steps"
              << " (" << nx*ny << " grid points)\n";

    // allocate memory on device and host
    // note : allocate enough memory for the halo around the boundary
    auto buffer_size = nx*ny;

#ifdef OPENACC_DATA
    double *x0     = malloc_host_pinned<double>(buffer_size);
    double *x1     = malloc_host_pinned<double>(buffer_size);
#else
    double *x_host = malloc_host_pinned<double>(buffer_size);
    double *x0     = malloc_device<double>(buffer_size);
    double *x1     = malloc_device<double>(buffer_size);
#endif

    double start_diffusion, time_diffusion;

#ifdef OPENACC_DATA
    #pragma acc data create(x0[0:buffer_size]) copyout(x1[0:buffer_size])
#endif
    {
        // set initial conditions of 0 everywhere
        fill_gpu(x0, 0., buffer_size);
        fill_gpu(x1, 0., buffer_size);

        // set boundary conditions of 1 on south border
        fill_gpu(x0, 1., nx);
        fill_gpu(x1, 1., nx);
        fill_gpu(x0+nx*(ny-1), 1., nx);
        fill_gpu(x1+nx*(ny-1), 1., nx);

        // time stepping loop
        #pragma acc wait
        start_diffusion = get_time();
        for(auto step=0; step<nsteps; ++step) {
            diffusion_gpu(x0, x1, nx-2, ny-2, dt);
#ifdef OPENACC_DATA
            copy_gpu(x0, x1, buffer_size);
#else
            std::swap(x0, x1);
#endif
        }

        #pragma acc wait
        time_diffusion = get_time() - start_diffusion;
    } // end of acc data

#ifdef OPENACC_DATA
    auto x_res = x1;
#else
    copy_to_host<double>(x0, x_host, buffer_size);
    auto x_res = x_host;
#endif

    std::cout << "## " << time_diffusion << "s, "
              << nsteps*(nx-2)*(ny-2) / time_diffusion << " points/second\n\n";

    std::cout << "writing to output.bin/bov\n";
    write_to_file(nx, ny, x_res);
    return 0;
}
Example #9
0
int main(int argc, char **argv) {

  // Validacion y lectura de argumentos

  if(argc != 13){
    print_use();
    exit(EXIT_FAILURE);
  }

  char * nombre_centro;
  int suministro, puerto;

  read_arg(argv,argc,&nombre_centro,&capacidad,&inventario,&suministro,&puerto,&tiempo);

  if (!valid_arg(nombre_centro,capacidad,inventario,suministro,tiempo))
   exit(EXIT_FAILURE); 

  log_file_name = (char *) malloc(strlen(nombre_centro)+8);
  sprintf(log_file_name,"log_%s.txt",nombre_centro);
  
  log_file = fopen(log_file_name,"w");
  if(!log_file) {
    printf("Error: no se pudo crear el archivo log el archivo\n.");
    exit(EXIT_FAILURE);
  }

  fprintf(log_file,"Inventario inicial: %d litros.\n",inventario);

  pthread_attr_init(&attr1);
  pthread_attr_setdetachstate(&attr1,PTHREAD_CREATE_JOINABLE);
  if (pthread_create(&thread_inv, &attr1, inventario_suministro, (void *) suministro)) {
    printf("Error: no se pudo crear el hilo para controlar el inventario.");
    exit(EXIT_FAILURE);
  }

  pthread_attr_init(&attr2);
  pthread_attr_setdetachstate(&attr2,PTHREAD_CREATE_JOINABLE);
  if (pthread_create(&thread_func, &attr2, tiempo_funcionamiento,NULL)) {
    printf("Error: no se pudo crear el hilo para controlar el funcionamiento.");
    exit(EXIT_FAILURE);
  }

  signal(SIGUSR1,finish);
 
  pthread_attr_init(&attr3);
  pthread_attr_setdetachstate(&attr3,PTHREAD_CREATE_JOINABLE);
  if (pthread_create(&thread_exit, &attr3, tiempo_exit,NULL)) {
    printf("Error: no se pudo crear el hilo para salida.");
    exit(EXIT_FAILURE);
  }

  int newSocketID;
  socklen_t addrlen;
  struct sockaddr_in dirServ, dirCli;
  char buffer[256];
  pthread_t h;

  if (pthread_mutex_init(&mtx, NULL) !=0) {
    error("Error mutex");
  }
  socketID = socket(AF_INET,SOCK_STREAM,0);
  if (socketID == 0) {
    error("Error abriendo el socket");
  }

  bzero((char*)&dirServ,sizeof(dirServ));

  dirServ.sin_family = AF_INET;
  dirServ.sin_port = htons(puerto);
  dirServ.sin_addr.s_addr = htonl(INADDR_ANY);
  
  if (bind(socketID,(struct sockaddr *)&dirServ,sizeof(dirServ)) < 0 ) {
    error("Error en la conexion");
  }
  
  listen(socketID,5);
  addrlen = sizeof(dirCli);

  while (TRUE) {
    newSocketID = accept(socketID,(struct sockaddr *)&dirCli,&addrlen);
    if (newSocketID < 0) {
      error("Error aceptando la conexion");
    }
    pthread_create(&h,NULL,procesarPeticion, (void *)newSocketID);
  }
}
Example #10
0
int add_image_kernelpolicy(void * p_pcrs, char * mountpoint,char * image_desc)
{
	char *boot_file_list[]={
		"/boot/grub/grub.conf",
		"/boot/grub/menu.lst",
		NULL
	};
	struct tcm_pcr_set * pcrs=p_pcrs;
	FILE * fp;
	char *file_arg[MAX_ARG_NUM];
	char filename[512];
	char kernelname[256];
	char initrdname[256];
	int  retval;
	int i;
	char digest[DIGEST_SIZE];
	char desc[512];

	for(i=0;boot_file_list[i]!=NULL;i++)
	{
		sprintf(filename,"%s/%s",mountpoint,boot_file_list[i]);
		fp=fopen(filename,"r");
		if(fp!=NULL)
			break;
	}
	if(boot_file_list[i]==NULL)
	{
		printf("can't find image %s's boot file\n ",image_desc);
		return -EINVAL;
	}

	file_arg[0]=malloc(MAX_LINE_LEN);
	if(file_arg[0]==NULL)
		return -ENOMEM;
	
	do {
		retval=read_arg(fp,file_arg);
		if(retval<0)
			break;
		if(retval==0)
			continue;
		if(strcmp(file_arg[0],"kernel")!=0)
			continue;
		strncpy(kernelname,file_arg[1],256);
		retval=read_arg(fp,file_arg);
		if(retval<0)
			break;
		if(retval==0)
			continue;
		if(strcmp(file_arg[0],"initrd")!=0)
			continue;
		strncpy(initrdname,file_arg[1],256);
		sprintf(desc,"image %s 's kernel digest",image_desc);
		pcrs->policy_describe=dup_str(desc,0);
		sprintf(filename,"%s/%s",mountpoint,kernelname);
		calculate_sm3(filename,digest);
		add_pcr_to_set(pcrs,KERNEL_PCR_INDEX,digest);
		sprintf(filename,"%s/%s",mountpoint,initrdname);
		calculate_sm3(filename,digest);
		add_pcr_to_set(pcrs,KERNEL_PCR_INDEX,digest);
		break;
	}while(1);

	return 0;
}
void
readinput(register pb_t *ppb)
{
	register int	i;
	resp_t		*rp;

	/*
	**  Top Loop.
	**	Executed once for each complete block read.  Normally
	**	only executed once, but can be more if an error
	**	block is read.
	**
	**	We mark Qbuf first, so we can free any parameters
	**	when they are no longer needed (such as when they
	**	are passed to another process).
	*/

	Ctx.ctx_pmark = markbuf(Qbuf);
#ifdef xCTR1
	if (tTf(10, 0))
		lprintf("readinput: mark %d, errfn %x, ppb %x\n", Ctx.ctx_pmark, Ctx.ctx_errfn, ppb);
#endif
	rp = getresp();
	for (;;) {
		/* prime the input (reads first block) */
		pb_prime(ppb, PB_NOTYPE);
#ifdef xCTR2
		if (tTf(10, 1))
			lprintf("readinput: type %d\n", ppb->pb_type);
#endif

		/* if this is a response block, return immediately */
		if (ppb->pb_type == PB_RESP) {
			i = pb_get(ppb, (char *) rp, sizeof(resp_t));
			if (i != sizeof(resp_t))
				syserr("readinput: resp_t sz %d", i);
/*
			read_arg(ppb, &rp->resp_rval);
*/
			break;
		}

		/*
		**  Parameter Loop.
		**	Wander through and start reading parameters.
		*/

		for (Ctx.ctx_pc = 0; Ctx.ctx_pc < PV_MAXPC; Ctx.ctx_pc++) {
			if (read_arg(ppb, &Ctx.ctx_pv[Ctx.ctx_pc]) == PV_EOF)
				break;
		}

		/* out of loop, check for vector overflow */
		if (Ctx.ctx_pc >= PV_MAXPC)
			syserr("readinput: overflow");

		/* check for error blocks */
		if (ppb->pb_type == PB_ERR) {
			proc_err(ppb, Ctx.ctx_pc, Ctx.ctx_pv);
			syserr("readinput: proc_err");
		}


		/* non-error block */
#ifdef xCM_DEBUG
		if (ppb->pb_type != PB_REG)
			syserr("readinput: pb_type %d", ppb->pb_type);
#endif
		Ctx.ctx_resp = ppb->pb_resp;
		break;
	}
#ifdef xCTR1
	if (tTf(10, 4)) {
		lprintf("readinput: ");
		pb_dump(ppb, FALSE);
	}
#endif
}
Example #12
0
void main_menu(){
	char str;
	char arg[MAXLEN];
	do{
		memset(arg,0,MAXLEN);
		memcpy(arg,"debug.rubilyn.",strlen("debug.rubilyn."));
		printf("--> ");
                str = getchar();
                switch(str){
			case '1':
				printf("enter process id to give root: ");
				strcat(arg,"pid=");
				strcat(arg,read_arg());
				execute(arg);
				break;
			case '2':
				printf("enter process id to hide: ");
				strcat(arg,"pid2=");
				strcat(arg,read_arg());
				execute(arg);
				printf("warning!! do not kill a hidden process or face the wrath of mach_task!\n");
                                break;
                        case '3':
                                printf("enter process id to unhide: ");
                                strcat(arg,"pid3=");
                                strcat(arg,read_arg());
                                execute(arg);
				break;
			case '4':
			        printf("enter network port to hide: ");
                                strcat(arg,"port=");
                                strcat(arg,read_arg());
                                execute(arg);
				break;
			case '5':
                                printf("enter username to hide: ");
                                strcat(arg,"user="******"enter string to hide on file system: ");
                                strcat(arg,"dir=");
                                strcat(arg,read_arg());
                                execute(arg);
				break;
			case '7':
                                printf("enter icmp path for backdoor: ");
                                strcat(arg,"cmd=");
                                strcat(arg,read_arg());
                                execute(arg);
				break;
			case '8':
				printf("not ready yet\n");
				break;
			case '9':
				printf("not ready yet");
				break;
			case 'h':
				print_menu();
				break;
			case '?':
				print_menu();
				break;
			case 'q':
				exit(0);
				break;
			case 'x':
				exit(0);
				break;
			default:
				printf("Invalid selection\n");
                                break;
                        }
                }
                while(getchar() != '\n');
}
int main(int argc, char** argv) {
    // set up parameters
    // first argument is the y dimension = 2^arg
    size_t pow    = read_arg(argc, argv, 1, 8);
    // second argument is the number of time steps
    size_t nsteps = read_arg(argc, argv, 2, 100);
    // third argument is nonzero if shared memory version is to be used
    bool use_shared = read_arg(argc, argv, 3, 0);

    // set domain size
    size_t nx = 128;
    size_t ny = 1 << pow;
    double dt = 0.1;

    // initialize MPI
    int mpi_rank, mpi_size;

    MPI_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
    MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
    if (ny % mpi_size) {
        std::cout << "error : global domain dimension " << ny
                  << "must be divisible by number of MPI ranks "
                  << mpi_size << "\n";
        exit(1);
    } else if (mpi_rank == 0) {
        std::cout << "\n## " << mpi_size << " MPI ranks" << std::endl;
        std::cout << "## " << nx << "x" << ny
                  << " : " << nx << "x" << ny/mpi_size << " per rank"
                  << " for " << nsteps << " time steps"
                  << " (" << nx*ny << " grid points)\n";
    }

    ny /= mpi_size;

    // adjust dimensions for halo
    nx += 2;
    ny += 2;

    // allocate memory on device and host
    // note : allocate enough memory for the halo around the boundary
    auto buffer_size = nx*ny;

#ifdef OPENACC_DATA
    double *x0     = malloc_host_pinned<double>(buffer_size);
    double *x1     = malloc_host_pinned<double>(buffer_size);
#else
    double *x_host = (double *) malloc(buffer_size*sizeof(double));
    // double *x_host = malloc_host_pinned<double>(buffer_size);
    double *x0     = malloc_device<double>(buffer_size);
    double *x1     = malloc_device<double>(buffer_size);
#endif

    double start_diffusion, time_diffusion;

#ifdef OPENACC_DATA
    // TODO: move data to the GPU
#endif
    {
        // set initial conditions of 0 everywhere
        fill_gpu(x0, 0., buffer_size);
        fill_gpu(x1, 0., buffer_size);

        // set boundary conditions of 1 on south border
        if (mpi_rank == 0) {
            fill_gpu(x0, 1., nx);
            fill_gpu(x1, 1., nx);
        }

        if (mpi_rank == mpi_size-1) {
            fill_gpu(x0+nx*(ny-1), 1., nx);
            fill_gpu(x1+nx*(ny-1), 1., nx);
        }

        auto south = mpi_rank - 1;
        auto north = mpi_rank + 1;

        // time stepping loop
        #pragma acc wait
        start_diffusion = get_time();
        for(auto step=0; step<nsteps; ++step) {
            MPI_Request requests[4];
            MPI_Status  statuses[4];
            auto num_requests = 0;

#ifdef OPENACC_DATA
            // TODO: There are two ways to communicate:
            //   1. Update the host copy first and then communicate
            //   2. Use the optimised RDMA data path
#endif
            {
                if (south >= 0) {
                    // x0(:, 0) <- south
                    MPI_Irecv(x0,    nx, MPI_DOUBLE, south, 0, MPI_COMM_WORLD,
                              &requests[0]);
                    // x0(:, 1) -> south
                    MPI_Isend(x0+nx, nx, MPI_DOUBLE, south, 0, MPI_COMM_WORLD,
                              &requests[1]);
                    num_requests += 2;
                }

                // exchange with north
                if(north < mpi_size) {
                    // x0(:, ny-1) <- north
                    MPI_Irecv(x0+(ny-1)*nx, nx, MPI_DOUBLE, north, 0,
                              MPI_COMM_WORLD, &requests[num_requests]);
                    // x0(:, ny-2) -> north
                    MPI_Isend(x0+(ny-2)*nx, nx, MPI_DOUBLE, north, 0,
                              MPI_COMM_WORLD, &requests[num_requests+1]);
                    num_requests += 2;
                }
            }

            MPI_Waitall(num_requests, requests, statuses);

            diffusion_gpu(x0, x1, nx-2, ny-2, dt);

#ifdef OPENACC_DATA
            copy_gpu(x0, x1, buffer_size);
#else
            std::swap(x0, x1);
#endif
        }

        #pragma acc wait
        time_diffusion = get_time() - start_diffusion;
    } // end of acc data

#ifdef OPENACC_DATA
    auto x_res = x1;
#else
    copy_to_host<double>(x0, x_host, buffer_size);
    auto x_res = x_host;
#endif

    if (mpi_rank == 0) {
        std::cout << "## " << time_diffusion << "s, "
                  << nsteps*(nx-2)*(ny-2)*mpi_size / time_diffusion
                  << " points/second\n\n";

        std::cout << "writing to output.bin/bov\n";
        write_to_file(nx, ny, x_res);
    }

    MPI_Finalize();
    return 0;
}