C++ P函数代码示例

static void print_cpu(struct seq_file *m, int cpu)
{
	struct rq *rq = cpu_rq(cpu);
	unsigned long flags;

#ifdef CONFIG_X86
	{
		unsigned int freq = cpu_khz ? : 1;

		SEQ_printf(m, "cpu#%d, %u.%03u MHz\n",
			   cpu, freq / 1000, (freq % 1000));
	}
#else
	SEQ_printf(m, "cpu#%d\n", cpu);
#endif

#define P(x)								\
do {									\
	if (sizeof(rq->x) == 4)						\
		SEQ_printf(m, "  .%-30s: %ld\n", #x, (long)(rq->x));	\
	else								\
		SEQ_printf(m, "  .%-30s: %Ld\n", #x, (long long)(rq->x));\
} while (0)

#define PN(x) \
	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x))

	P(nr_running);
	SEQ_printf(m, "  .%-30s: %lu\n", "load",
		   rq->load.weight);
	P(nr_switches);
	P(nr_load_updates);
	P(nr_uninterruptible);
	PN(next_balance);
	P(curr->pid);
	PN(clock);
	P(cpu_load[0]);
	P(cpu_load[1]);
	P(cpu_load[2]);
	P(cpu_load[3]);
	P(cpu_load[4]);
#undef P
#undef PN

#ifdef CONFIG_SCHEDSTATS
#define P(n) SEQ_printf(m, "  .%-30s: %d\n", #n, rq->n);
#define P64(n) SEQ_printf(m, "  .%-30s: %Ld\n", #n, rq->n);

	P(yld_count);

	P(sched_count);
	P(sched_goidle);
#ifdef CONFIG_SMP
	P64(avg_idle);
#endif

	P(ttwu_count);
	P(ttwu_local);

#undef P
#undef P64
#endif
	spin_lock_irqsave(&sched_debug_lock, flags);
	print_cfs_stats(m, cpu);
	print_rt_stats(m, cpu);

	rcu_read_lock();
	print_rq(m, rq, cpu);
	rcu_read_unlock();
	spin_unlock_irqrestore(&sched_debug_lock, flags);
	SEQ_printf(m, "\n");
}

        uint8_t delta = a - b;
        uint8_t scaled = scale8( delta, frac);
        result = a - scaled;
    }
    return result;
}

int16_t inoise16_raw(uint32_t x, uint32_t y, uint32_t z)
{
  // Find the unit cube containing the point
  uint8_t X = (x>>16)&0xFF;
  uint8_t Y = (y>>16)&0xFF;
  uint8_t Z = (z>>16)&0xFF;

  // Hash cube corner coordinates
  uint8_t A = P(X)+Y;
  uint8_t AA = P(A)+Z;
  uint8_t AB = P(A+1)+Z;
  uint8_t B = P(X+1)+Y;
  uint8_t BA = P(B) + Z;
  uint8_t BB = P(B+1)+Z;

  // Get the relative position of the point in the cube
  uint16_t u = x & 0xFFFF;
  uint16_t v = y & 0xFFFF;
  uint16_t w = z & 0xFFFF;

  // Get a signed version of the above for the grad function
  int16_t xx = (u >> 1) & 0x7FFF;
  int16_t yy = (v >> 1) & 0x7FFF;
  int16_t zz = (w >> 1) & 0x7FFF;

/* when vectorize = 0 */
void c_out(const char* prefix)
{
#if NMODL
	Item *q;
	extern int point_process;
#endif

	Fprintf(fcout, "/* Created by Language version: %s */\n", nmodl_version_);
	Fflush(fcout);

#if VECTORIZE
	if (vectorize) {
		vectorize_do_substitute();
		kin_vect2();	/* heh, heh.. bet you can't guess what this is */
		c_out_vectorize(prefix);
		return;
	}
#endif
#if VECTORIZE
	P("/* NOT VECTORIZED */\n");
#endif
	Fflush(fcout);
	/* things which must go first and most declarations */
#if SIMSYS
	P("#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n#include \"mathlib.h\"\n");
	P("#include \"common.h\"\n#include \"softbus.h\"\n");
	P("#include \"sbtypes.h\"\n#include \"Solver.h\"\n");
#else
	P("#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n#include \"scoplib_ansi.h\"\n");
	P("#undef PI\n");
	P("#define nil 0\n");
P("#include \"md1redef.h\"\n");
P("#include \"section.h\"\n");
P("#include \"nrniv_mf.h\"\n");
P("#include \"md2redef.h\"\n");

#endif
	printlist(defs_list);
	printlist(firstlist);
	P("static int _reset;\n");
#if NMODL
	P("static ");
#endif	
	if (modelline) {
		Fprintf(fcout, "char *modelname = \"%s\";\n\n", modelline);
	} else {
		Fprintf(fcout, "char *modelname = \"\";\n\n");
	}
	Fflush(fcout);		/* on certain internal errors partial output
				 * is helpful */
	P("static int error;\n");
#if NMODL
	P("static ");
#endif	
	P("int _ninits = 0;\n");
	P("static int _match_recurse=1;\n");
#if NMODL
	P("static void ");
#endif	
	P("_modl_cleanup(){ _match_recurse=1;}\n");
	/*
	 * many machinations are required to make the infinite number of
	 * definitions involving _p in defs.h to be invisible to the user 
	 */
	/*
	 * This one allows scop variables in functions which do not have the
	 * p array as an argument 
	 */
#if SIMSYS || HMODL || NMODL
#else
	P("static double *_p;\n\n");
#endif
	funcdec();
	Fflush(fcout);

	/*
	 * translations of named blocks into functions, procedures, etc. Also
	 * some special declarations used by some blocks 
	 */
	printlist(procfunc);
	Fflush(fcout);

	/* Initialization function must always be present */
#if NMODL
	P("\nstatic void initmodel() {\n  int _i; double _save;");
#endif
#if SIMSYS || HMODL
	P("\ninitmodel() {\n  int _i; double _save;");
#endif
#if (!(SIMSYS || HMODL || NMODL))
	P("\ninitmodel(_pp) double _pp[]; {\n int _i; double _save; _p = _pp;");
#endif
#if !NMODL
	P("_initlists();\n");
#endif
	P("_ninits++;\n");
	P(saveindep); /*see solve.c; blank if not a time dependent process*/
	P("{\n");
	initstates();
//.........这里部分代码省略.........

void alphatFixedDmdtWallBoilingWallFunctionFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }

    // Lookup the fluid model
    const ThermalPhaseChangePhaseSystem
    <
        MomentumTransferPhaseSystem<twoPhaseSystem>
    >& fluid =
        refCast
        <
            const ThermalPhaseChangePhaseSystem
            <
                MomentumTransferPhaseSystem<twoPhaseSystem>
            >
        >
        (
            db().lookupObject<phaseSystem>("phaseProperties")
        );

    const phaseModel& liquid
    (
        fluid.phase1().name() == dimensionedInternalField().group()
      ? fluid.phase1()
      : fluid.phase2()
    );

    const label patchi = patch().index();

    // Retrieve turbulence properties from model
    const compressibleTurbulenceModel& turbModel =
        db().lookupObject<compressibleTurbulenceModel>
        (
            IOobject::groupName
            (
                compressibleTurbulenceModel::propertiesName,
                dimensionedInternalField().group()
            )
        );

    const scalar Cmu25 = pow025(Cmu_);

    const scalarField& y = turbModel.y()[patchi];

    const tmp<scalarField> tmuw = turbModel.mu(patchi);
    const scalarField& muw = tmuw();

    const tmp<scalarField> talphaw = liquid.thermo().alpha(patchi);
    const scalarField& alphaw = talphaw();

    scalarField& alphatw = *this;

    const tmp<volScalarField> tk = turbModel.k();
    const volScalarField& k = tk();
    const fvPatchScalarField& kw = k.boundaryField()[patchi];

    const fvPatchVectorField& Uw = turbModel.U().boundaryField()[patchi];
    const scalarField magUp(mag(Uw.patchInternalField() - Uw));
    const scalarField magGradUw(mag(Uw.snGrad()));

    const fvPatchScalarField& rhow = turbModel.rho().boundaryField()[patchi];
    const fvPatchScalarField& hew =
        liquid.thermo().he().boundaryField()[patchi];

    const fvPatchScalarField& Tw =
        liquid.thermo().T().boundaryField()[patchi];

    scalarField Tp(Tw.patchInternalField());

    // Heat flux [W/m2] - lagging alphatw
    const scalarField qDot
    (
        (alphatw + alphaw)*hew.snGrad()
    );

    scalarField uTau(Cmu25*sqrt(kw));

    scalarField yPlus(uTau*y/(muw/rhow));

    scalarField Pr(muw/alphaw);

    // Molecular-to-turbulent Prandtl number ratio
    scalarField Prat(Pr/Prt_);

    // Thermal sublayer thickness
    scalarField P(this->Psmooth(Prat));

    scalarField yPlusTherm(this->yPlusTherm(P, Prat));

    scalarField alphatConv(this->size(), 0.0);

    // Populate boundary values
    forAll(alphatw, faceI)
    {
        // Evaluate new effective thermal diffusivity
        scalar alphaEff = 0.0;
        if (yPlus[faceI] < yPlusTherm[faceI])
//.........这里部分代码省略.........

int
catmouse(int nargs,
         char ** args)
{
  int catindex, mouseindex, error;
  int i;
  int mean_cat_wait_usecs, mean_mouse_wait_usecs;
  time_t before_sec, after_sec, wait_sec;
  uint32_t before_nsec, after_nsec, wait_nsec;
  int total_bowl_milliseconds, total_eating_milliseconds, utilization_percent;

  /* check and process command line arguments */
  if ((nargs != 9) && (nargs != 5)) {
    kprintf("Usage: <command> NUM_BOWLS NUM_CATS NUM_MICE NUM_LOOPS\n");
    kprintf("or\n");
    kprintf("Usage: <command> NUM_BOWLS NUM_CATS NUM_MICE NUM_LOOPS ");
    kprintf("CAT_EATING_TIME CAT_SLEEPING_TIME MOUSE_EATING_TIME MOUSE_SLEEPING_TIME\n");
    return 1;  // return failure indication
  }

  /* check the problem parameters, and set the global variables */
  NumBowls = atoi(args[1]);
  if (NumBowls <= 0) {
    kprintf("catmouse: invalid number of bowls: %d\n",NumBowls);
    return 1;
  }
  NumCats = atoi(args[2]);
  if (NumCats < 0) {
    kprintf("catmouse: invalid number of cats: %d\n",NumCats);
    return 1;
  }
  NumMice = atoi(args[3]);
  if (NumMice < 0) {
    kprintf("catmouse: invalid number of mice: %d\n",NumMice);
    return 1;
  }
  NumLoops = atoi(args[4]);
  if (NumLoops <= 0) {
    kprintf("catmouse: invalid number of loops: %d\n",NumLoops);
    return 1;
  }

  if (nargs == 9) {
    CatEatTime = atoi(args[5]);
    if (CatEatTime < 0) {
      kprintf("catmouse: invalid cat eating time: %d\n",CatEatTime);
      return 1;
    }
  
    CatSleepTime = atoi(args[6]);
    if (CatSleepTime < 0) {
      kprintf("catmouse: invalid cat sleeping time: %d\n",CatSleepTime);
      return 1;
    }
  
    MouseEatTime = atoi(args[7]);
    if (MouseEatTime < 0) {
      kprintf("catmouse: invalid mouse eating time: %d\n",MouseEatTime);
      return 1;
    }
  
    MouseSleepTime = atoi(args[8]);
    if (MouseSleepTime < 0) {
      kprintf("catmouse: invalid mouse sleeping time: %d\n",MouseSleepTime);
      return 1;
    }
  }

  if ((NumMice >= INVALID_ANIMAL_NUM) || (NumCats >= INVALID_ANIMAL_NUM)) {
    panic("Trying to use too many cats or mice: limit =  %d\n", INVALID_ANIMAL_NUM);
  }

  kprintf("Using %d bowls, %d cats, and %d mice. Looping %d times.\n",
          NumBowls,NumCats,NumMice,NumLoops);
  kprintf("Using cat eating time %d, cat sleeping time %d\n", CatEatTime, CatSleepTime);
  kprintf("Using mouse eating time %d, mouse sleeping time %d\n", MouseEatTime, MouseSleepTime);

  /* create the semaphore that is used to make the main thread
     wait for all of the cats and mice to finish */
  CatMouseWait = sem_create("CatMouseWait",0);
  if (CatMouseWait == NULL) {
    panic("catmouse: could not create semaphore\n");
  }

  /* initialize our simulation state */
  initialize_bowls();

  /* initialize the synchronization functions */
  catmouse_sync_init(NumBowls);

  /* get current time, for measuring total simulation time */
  gettime(&before_sec,&before_nsec);

  /*
   * Start NumCats cat_simulation() threads and NumMice mouse_simulation() threads.
   * Alternate cat and mouse creation.
   */
  for (catindex = 0; catindex < NumCats; catindex++) {
    error = thread_fork("cat_simulation thread", NULL, cat_simulation, NULL, catindex);
    if (error) {
//.........这里部分代码省略.........

static bRC do_set_scsi_encryption_key(void *value)
{
   DCR *dcr;
   DEVICE *dev;
   DEVRES *device;
   DIRRES *director;
   char StoredVolEncrKey[MAX_NAME_LENGTH];
   char VolEncrKey[MAX_NAME_LENGTH];

   /*
    * Unpack the arguments passed in.
    */
   dcr = (DCR *)value;
   if (!dcr) {
      return bRC_Error;
   }
   dev = dcr->dev;
   if (!dev) {
      return bRC_Error;
   }
   device = dev->device;
   if (!device) {
      return bRC_Error;
   }

   *StoredVolEncrKey = '\0';
   if (!get_volume_encryption_key(dcr, StoredVolEncrKey)) {
      return bRC_Error;
   }

   /*
    * See if a volume encryption key is available.
    */
   if (!*StoredVolEncrKey) {
      Dmsg0(dbglvl, "scsicrypto-sd: No encryption key to load on device\n");
      return bRC_OK;
   }

   /*
    * See if device supports hardware encryption.
    */
   if (!device->drive_crypto_enabled) {
      Dmsg0(dbglvl, "scsicrypto-sd: Trying to load encryption key on drive without support\n");
      Emsg0(M_ERROR, 0,
            _("scsicrypto-sd: Trying to load encryption key on drive without support\n"));
      return bRC_Error;
   }

   /*
    * The key passed from the director to the storage daemon is always base64 encoded.
    */
   base64_to_bin(VolEncrKey, sizeof(VolEncrKey), StoredVolEncrKey, strlen(StoredVolEncrKey));

   /*
    * See if we have an key encryption key in the config then the passed key
    * has been wrapped using RFC3394 key wrapping. We first copy the current
    * wrapped key into a temporary variable for unwrapping.
    */
   if (dcr->jcr && dcr->jcr->director) {
      director = dcr->jcr->director;
      if (director->keyencrkey) {
         char WrappedVolEncrKey[MAX_NAME_LENGTH];

         memcpy(WrappedVolEncrKey, VolEncrKey, MAX_NAME_LENGTH);
         memset(VolEncrKey, 0, MAX_NAME_LENGTH);

         if (aes_unwrap((unsigned char *)director->keyencrkey,
                        DEFAULT_PASSPHRASE_LENGTH / 8,
                        (unsigned char *)WrappedVolEncrKey,
                        (unsigned char *)VolEncrKey) != 0) {
            Dmsg1(dbglvl,
                  "scsicrypto-sd: Failed to unwrap encryption key using %s\n", director->keyencrkey);
            Emsg0(M_ERROR, 0,
                  _("scsicrypto-sd: Failed to unwrap encryption key, probably wrong KeyEncryptionKey in config\n"));
            return bRC_Error;
         }
      }
   }

   Dmsg1(dbglvl, "scsicrypto-sd: Loading new crypto key %s\n", VolEncrKey);

   P(crypto_operation_mutex);
   if (set_scsi_encryption_key(dev->fd(), dev->dev_name, VolEncrKey)) {
      dev->set_crypto_enabled();
      V(crypto_operation_mutex);
      return bRC_OK;
   } else {
      V(crypto_operation_mutex);
      return bRC_Error;
   }
}

int main(int number_of_scan_positions) {


	NEWMAT::Matrix Pg(3,3);
	NEWMAT::Matrix P(2,2);
	double tempAx, tempAy, tempBx, tempBy;
	double Gx, Gy, fi;
	double Px, Py, Pfi;
	Tocka Xp, G;
	Razlomljena_Duzina *map_in_local_frame = new Razlomljena_Duzina[120];
	Razlomljena_Duzina* map= new Razlomljena_Duzina[400];
	int line_counter=0;
	int number_of_lines_in_map=0;
	for (int i=0; i<number_of_scan_positions; i++){

		line_counter=0;
		ifstream file_line ("map_lines_in_local_frame" +IntToString(i)+".txt");

		P << 0 << 0 << 0 << 0;        // set line variance in local frame to 0

		while(!file_line.eof()){

			file_line >> tempAx >> tempAy >> tempBx >> tempBy;

			map_in_local_frame[line_counter].A.push_back(Tocka(tempAx, tempAy));
			map_in_local_frame[line_counter].B.push_back(Tocka(tempBx, tempBy));
			map_in_local_frame[line_counter].postaviVar(P);

			line_counter++;
		}




		file_line.close();

		ifstream file_pose ("pose_with_covariance" +IntToString(i)+".txt");
		file_pose >> Gx >> Gy >> fi;
		G=Tocka (Gx, Gy);

		file_pose >> Px  >> Py >> Pfi;

		Pg << Px<< 0 << 0
		   << 0  << Py <<0
		   << 0  << 0 <<Pfi;

		file_pose.close();




		transformiraj2(map_in_local_frame,line_counter,G,fi,&Xp,Pg);

		map=duzinacat2(map, number_of_lines_in_map, map_in_local_frame, line_counter, &number_of_lines_in_map);


	}

	poklopi_kartu2(map,number_of_lines_in_map);
	Snimi ("final_map.m", map, number_of_lines_in_map);



}

b2Vec2 b2WeldJoint::GetReactionForce(float32 inv_dt) const
{
	b2Vec2 P(m_impulse.x, m_impulse.y);
	return inv_dt * P;
}

void gtk_setup_config_box(struct controlbox *b, int midsession, void *win)
{
    struct controlset *s, *s2;
    union control *c;
    int i;

    if (!midsession) {
	/*
	 * Add the About button to the standard panel.
	 */
	s = ctrl_getset(b, "", "", "");
	c = ctrl_pushbutton(s, "About", 'a', HELPCTX(no_help),
			    about_handler, P(win));
	c->generic.column = 0;
    }

    /*
     * GTK makes it rather easier to put the scrollbar on the left
     * than Windows does!
     */
    s = ctrl_getset(b, "Window", "scrollback",
		    "Control the scrollback in the window");
    ctrl_checkbox(s, "Scrollbar on left", 'l',
		  HELPCTX(no_help),
		  conf_checkbox_handler,
                  I(CONF_scrollbar_on_left));
    /*
     * Really this wants to go just after `Display scrollbar'. See
     * if we can find that control, and do some shuffling.
     */
    for (i = 0; i < s->ncontrols; i++) {
        c = s->ctrls[i];
        if (c->generic.type == CTRL_CHECKBOX &&
            c->generic.context.i == CONF_scrollbar) {
            /*
             * Control i is the scrollbar checkbox.
             * Control s->ncontrols-1 is the scrollbar-on-left one.
             */
            if (i < s->ncontrols-2) {
                c = s->ctrls[s->ncontrols-1];
                memmove(s->ctrls+i+2, s->ctrls+i+1,
                        (s->ncontrols-i-2)*sizeof(union control *));
                s->ctrls[i+1] = c;
            }
            break;
        }
    }

    /*
     * X requires three more fonts: bold, wide, and wide-bold; also
     * we need the fiddly shadow-bold-offset control. This would
     * make the Window/Appearance panel rather unwieldy and large,
     * so I think the sensible thing here is to _move_ this
     * controlset into a separate Window/Fonts panel!
     */
    s2 = ctrl_getset(b, "Window/Appearance", "font",
                     "Font settings");
    /* Remove this controlset from b. */
    for (i = 0; i < b->nctrlsets; i++) {
        if (b->ctrlsets[i] == s2) {
            memmove(b->ctrlsets+i, b->ctrlsets+i+1,
                    (b->nctrlsets-i-1) * sizeof(*b->ctrlsets));
            b->nctrlsets--;
            ctrl_free_set(s2);
            break;
        }
    }
    ctrl_settitle(b, "Window/Fonts", "Options controlling font usage");
    s = ctrl_getset(b, "Window/Fonts", "font",
                    "Fonts for displaying non-bold text");
    ctrl_fontsel(s, "Font used for ordinary text", 'f',
		 HELPCTX(no_help),
		 conf_fontsel_handler, I(CONF_font));
    ctrl_fontsel(s, "Font used for wide (CJK) text", 'w',
		 HELPCTX(no_help),
		 conf_fontsel_handler, I(CONF_widefont));
    s = ctrl_getset(b, "Window/Fonts", "fontbold",
                    "Fonts for displaying bolded text");
    ctrl_fontsel(s, "Font used for bolded text", 'b',
		 HELPCTX(no_help),
		 conf_fontsel_handler, I(CONF_boldfont));
    ctrl_fontsel(s, "Font used for bold wide text", 'i',
		 HELPCTX(no_help),
		 conf_fontsel_handler, I(CONF_wideboldfont));
    ctrl_checkbox(s, "Use shadow bold instead of bold fonts", 'u',
		  HELPCTX(no_help),
		  conf_checkbox_handler,
		  I(CONF_shadowbold));
    ctrl_text(s, "(Note that bold fonts or shadow bolding are only"
	      " used if you have not requested bolding to be done by"
	      " changing the text colour.)",
              HELPCTX(no_help));
    ctrl_editbox(s, "Horizontal offset for shadow bold:", 'z', 20,
		 HELPCTX(no_help), conf_editbox_handler,
                 I(CONF_shadowboldoffset), I(-1));

    /*
     * Markus Kuhn feels, not totally unreasonably, that it's good
     * for all applications to shift into UTF-8 mode if they notice
     * that they've been started with a LANG setting dictating it,
//.........这里部分代码省略.........

//
//  benchmarking program
//
int main( int argc, char **argv )
{    
    //
    //  process command line
    //
    if( find_option( argc, argv, "-h" ) >= 0 )
    {
        printf( "Options:\n" );
        printf( "-h to see this help\n" );
        printf( "-n <int> to set the number of particles\n" );
        printf( "-p <int> to set the number of threads\n" );
        printf( "-o <filename> to specify the output file name\n" );
        return 0;
    }
    
    n = read_int( argc, argv, "-n", 1000 );
    n_threads = read_int( argc, argv, "-p", 2 );
    char *savename = read_string( argc, argv, "-o", NULL );
    
    //
    //  allocate resources
    //
    fsave = savename ? fopen( savename, "w" ) : NULL;

    particles = (particle_t*) malloc( n * sizeof(particle_t) );
    set_size( n );
    init_particles( n, particles );

    pthread_attr_t attr;
    P( pthread_attr_init( &attr ) );
    P( pthread_barrier_init( &barrier, NULL, n_threads ) );

	// VIRAJ
	doBinning();
	// !VIRAJ

	// create threads
    int *thread_ids = (int *) malloc( n_threads * sizeof( int ) );
    for( int i = 0; i < n_threads; i++ ) 
        thread_ids[i] = i;

    pthread_t *threads = (pthread_t *) malloc( n_threads * sizeof( pthread_t ) );
    
    //
    //  do the parallel work
    //
    double simulation_time = read_timer( );
    for( int i = 1; i < n_threads; i++ ) 
        P( pthread_create( &threads[i], &attr, thread_routine, &thread_ids[i] ) );
    
    thread_routine( &thread_ids[0] );
    
    for( int i = 1; i < n_threads; i++ ) 
        P( pthread_join( threads[i], NULL ) );
    simulation_time = read_timer( ) - simulation_time;
    
    printf( "n = %d, n_threads = %d, simulation time = %g seconds\n", n, n_threads, simulation_time );
    
    //
    //  release resources
    //
    P( pthread_barrier_destroy( &barrier ) );
    P( pthread_attr_destroy( &attr ) );
    free( thread_ids );
    free( threads );
    free( particles );
    if( fsave )
        fclose( fsave );

    return 0;
}

/*
 * I/O function (for both reads and writes)
 */
static
int
lhd_io(struct device *d, struct uio *uio)
{
	struct lhd_softc *lh = d->d_data;

	uint32_t sector = uio->uio_offset / LHD_SECTSIZE;
	uint32_t sectoff = uio->uio_offset % LHD_SECTSIZE;
	uint32_t len = uio->uio_resid / LHD_SECTSIZE;
	uint32_t lenoff = uio->uio_resid % LHD_SECTSIZE;
	uint32_t i;
	uint32_t statval = LHD_WORKING;
	int result;

	/* Don't allow I/O that isn't sector-aligned. */
	if (sectoff != 0 || lenoff != 0) {
		return EINVAL;
	}

	/* Don't allow I/O past the end of the disk. */
	/* XXX this check can overflow */
	if (sector+len > lh->lh_dev.d_blocks) {
		return EINVAL;
	}

	/* Set up the value to write into the status register. */
	if (uio->uio_rw==UIO_WRITE) {
		statval |= LHD_ISWRITE;
	}

	/* Loop over all the sectors we were asked to do. */
	for (i=0; i<len; i++) {

		/* Wait until nobody else is using the device. */
		P(lh->lh_clear);

		/*
		 * Are we writing? If so, transfer the data to the
		 * on-card buffer.
		 */
		if (uio->uio_rw == UIO_WRITE) {
			result = uiomove(lh->lh_buf, LHD_SECTSIZE, uio);
			membar_store_store();
			if (result) {
				V(lh->lh_clear);
				return result;
			}
		}

		/* Tell it what sector we want... */
		lhd_wreg(lh, LHD_REG_SECT, sector+i);

		/* and start the operation. */
		lhd_wreg(lh, LHD_REG_STAT, statval);

		/* Now wait until the interrupt handler tells us we're done. */
		P(lh->lh_done);

		/* Get the result value saved by the interrupt handler. */
		result = lh->lh_result;

		/*
		 * Are we reading? If so, and if we succeeded,
		 * transfer the data out of the on-card buffer.
		 */
		if (result==0 && uio->uio_rw==UIO_READ) {
			membar_load_load();
			result = uiomove(lh->lh_buf, LHD_SECTSIZE, uio);
		}

		/* Tell another thread it's cleared to go ahead. */
		V(lh->lh_clear);

		/* If we failed, return the error. */
		if (result) {
			return result;
		}
	}

	return 0;
}

bool ccTorus::buildUp()
{
	if (m_drawPrecision < MIN_DRAWING_PRECISION)
		return false;

	//invalid parameters?
	if ((m_rectSection && m_rectSectionHeight < ZERO_TOLERANCE) || m_insideRadius >= m_outsideRadius || m_angle_rad < ZERO_TOLERANCE)
		return false;

	//topology
	bool closed = (m_angle_rad >= 2.0*M_PI);

	const unsigned steps = m_drawPrecision;

	unsigned sweepSteps = 4 * (closed ? steps : static_cast<unsigned>(ceil((m_angle_rad * steps)/(2.0*M_PI))));
	unsigned sectSteps = (m_rectSection ? 4 : steps);

	//vertices
	unsigned vertCount = (sweepSteps + (closed ? 0 : 1)) * sectSteps; //DGM: +1 row for non closed loops
	//faces
	unsigned facesCount = sweepSteps * sectSteps *2;
	//faces normals
	unsigned faceNormCount = (sweepSteps + (closed ? 0 : 1)) * sectSteps; //DGM: +1 row for non closed loops
	if (!closed)
		facesCount += (m_rectSection ? 2 : sectSteps)*2;

	if (!init(vertCount + (closed || m_rectSection ? 0 : 2), false, facesCount, faceNormCount + (closed ? 0 : 2)))
	{
		ccLog::Error("[ccTorus::buildUp] Not enough memory");
		return false;
	}

	//2D section
	std::vector<CCVector3> sectPoints;
	try
	{
		sectPoints.resize(sectSteps);
	}
	catch (const std::bad_alloc&)
	{
		init(0,false,0,0);
		ccLog::Error("[ccTorus::buildUp] Not enough memory");
		return false;
	}

	double sweepStep_rad = m_angle_rad / sweepSteps;
	double sectStep_rad = (2.0*M_PI) / sectSteps;

	PointCoordinateType sectionRadius = (m_outsideRadius-m_insideRadius)/2;
	if (m_rectSection)
	{
		//rectangular section
		sectPoints[0].x = (m_outsideRadius-m_insideRadius)/2;
		sectPoints[0].z = m_rectSectionHeight/2;
		sectPoints[1].x = -sectPoints[0].x;
		sectPoints[1].z = sectPoints[0].z;
		sectPoints[2].x = sectPoints[1].x;
		sectPoints[2].z = -sectPoints[1].z;
		sectPoints[3].x = -sectPoints[2].x;
		sectPoints[3].z = sectPoints[2].z;
	}
	else
	{
		//circular section
		for (unsigned i=0; i<sectSteps; ++i)
		{
			double sect_angle_rad = i * sectStep_rad;
			sectPoints[i].x = static_cast<PointCoordinateType>(cos(sect_angle_rad) * sectionRadius);
			sectPoints[i].z = static_cast<PointCoordinateType>(sin(sect_angle_rad) * sectionRadius);
		}
	}

	ccPointCloud* verts = vertices();
	assert(verts);
	assert(m_triNormals);

	//main sweep
	PointCoordinateType sweepRadius = (m_insideRadius + m_outsideRadius)/2;
	for (unsigned t=0; t<(closed ? sweepSteps : sweepSteps+1); ++t)
	{
		//unit director vector
		CCVector3 sweepU(static_cast<PointCoordinateType>(cos(t*sweepStep_rad)),
						 static_cast<PointCoordinateType>(sin(t*sweepStep_rad)),
						 0);

		//section points
		for (unsigned i=0; i<sectSteps; ++i)
		{
			CCVector3 P(sweepU.x * (sweepRadius + sectPoints[i].x),
						sweepU.y * (sweepRadius + sectPoints[i].x),
						sectPoints[i].z);
			verts->addPoint(P);
		}

		//normals
		if (m_rectSection)
		{
			m_triNormals->addElement(ccNormalVectors::GetNormIndex(CCVector3(0.0,0.0,1.0).u));
			m_triNormals->addElement(ccNormalVectors::GetNormIndex((-sweepU).u));
			m_triNormals->addElement(ccNormalVectors::GetNormIndex(CCVector3(0.0,0.0,-1.0).u));
//.........这里部分代码省略.........

int lustre_mds_stat_by_fid( const entry_id_t * p_id, struct stat *inode )
{
    char filename[MAXNAMLEN];
    char           buffer[1024];
    struct lov_user_mds_data *lmd = ( struct lov_user_mds_data * ) buffer;
    int rc;

    /* ensure fid directory is opened */
    if ( fid_dir_fd == NULL )
    {
        P( dir_lock );
        if ( fid_dir_fd == NULL )
        {
            char path[RBH_PATH_MAX];
            char *curr = path;
            unsigned int mlen;

            /* filesystem root */
            strcpy( path, get_mount_point(&mlen) );
            curr += mlen;

            /* fid directory */
            strcpy( curr, "/" FIDDIR );

            /* open fir directory */
            fid_dir_fd = opendir( path );
        }
        V( dir_lock );
        if ( fid_dir_fd == NULL )
            return errno;
    }

    sprintf( filename, DFID, PFID(p_id) );
    memset( lmd, 0, sizeof( buffer ) );
    rh_strncpy(buffer, filename, strlen(filename) + 1);

    rc = ioctl( dirfd( fid_dir_fd ), IOC_MDC_GETFILEINFO, ( void * ) lmd );

    if ( rc )
    {
        if ( errno == ENOTTY )
        {
            return ENOTSUP;
        }
        else if ( ( errno == ENOENT ) || ( errno == ESTALE ) )
        {
            DisplayLog( LVL_MAJOR, TAG_MDSSTAT, "Warning: %s: %s does not exist",
                        __FUNCTION__, filename );
            return ENOENT;
        }
        else
        {
            DisplayLog( LVL_CRIT, TAG_MDSSTAT,
                        "Error: %s: IOC_MDC_GETFILEINFO failed for %s",
                        __FUNCTION__, filename );
            return errno;
        }
    }

    *inode = lmd->lmd_st;
    return 0;
}

void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
{
	unsigned long nr_switches;

	SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid,
						get_nr_threads(p));
	SEQ_printf(m,
		"---------------------------------------------------------\n");
#define __P(F) \
	SEQ_printf(m, "%-35s:%21Ld\n", #F, (long long)F)
#define P(F) \
	SEQ_printf(m, "%-35s:%21Ld\n", #F, (long long)p->F)
#define __PN(F) \
	SEQ_printf(m, "%-35s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
#define PN(F) \
	SEQ_printf(m, "%-35s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))

	PN(se.exec_start);
	PN(se.vruntime);
	PN(se.sum_exec_runtime);

	nr_switches = p->nvcsw + p->nivcsw;

#ifdef CONFIG_SCHEDSTATS
	PN(se.statistics.wait_start);
	PN(se.statistics.sleep_start);
	PN(se.statistics.block_start);
	PN(se.statistics.sleep_max);
	PN(se.statistics.block_max);
	PN(se.statistics.exec_max);
	PN(se.statistics.slice_max);
	PN(se.statistics.wait_max);
	PN(se.statistics.wait_sum);
	P(se.statistics.wait_count);
	PN(se.statistics.iowait_sum);
	P(se.statistics.iowait_count);
	P(se.nr_migrations);
	P(se.statistics.nr_migrations_cold);
	P(se.statistics.nr_failed_migrations_affine);
	P(se.statistics.nr_failed_migrations_running);
	P(se.statistics.nr_failed_migrations_hot);
	P(se.statistics.nr_forced_migrations);
	P(se.statistics.nr_wakeups);
	P(se.statistics.nr_wakeups_sync);
	P(se.statistics.nr_wakeups_migrate);
	P(se.statistics.nr_wakeups_local);
	P(se.statistics.nr_wakeups_remote);
	P(se.statistics.nr_wakeups_affine);
	P(se.statistics.nr_wakeups_affine_attempts);
	P(se.statistics.nr_wakeups_passive);
	P(se.statistics.nr_wakeups_idle);

	{
		u64 avg_atom, avg_per_cpu;

		avg_atom = p->se.sum_exec_runtime;
		if (nr_switches)
			avg_atom = div64_ul(avg_atom, nr_switches);
		else
			avg_atom = -1LL;

		avg_per_cpu = p->se.sum_exec_runtime;
		if (p->se.nr_migrations) {
			avg_per_cpu = div64_u64(avg_per_cpu,
						p->se.nr_migrations);
		} else {
			avg_per_cpu = -1LL;
		}

		__PN(avg_atom);
		__PN(avg_per_cpu);
	}
#endif
	__P(nr_switches);
	SEQ_printf(m, "%-35s:%21Ld\n",
		   "nr_voluntary_switches", (long long)p->nvcsw);
	SEQ_printf(m, "%-35s:%21Ld\n",
		   "nr_involuntary_switches", (long long)p->nivcsw);

	P(se.load.weight);
	P(policy);
	P(prio);
#ifdef CONFIG_PREEMPT_RT_FULL
	P(migrate_disable);
#endif
	P(nr_cpus_allowed);
#undef PN
#undef __PN
#undef P
#undef __P

	{
		unsigned int this_cpu = raw_smp_processor_id();
		u64 t0, t1;

		t0 = cpu_clock(this_cpu);
		t1 = cpu_clock(this_cpu);
		SEQ_printf(m, "%-35s:%21Ld\n",
			   "clock-delta", (long long)(t1-t0));
	}
//.........这里部分代码省略.........

/*
	Get from / Set to RTC
*/
LOCAL	void	rtc_get_set(SYSTIM *stm, BOOL set)
{
	ID		dd;
	W		asz;
	ER		er;
	DATE_TIM	dt;
	struct tm	ctm;
	struct tzinfo	tz;

	/* open RTC (CLOCK) driver */
	dd = tk_opn_dev("CLOCK", (set == TRUE) ? TD_WRITE : TD_READ);
	if (dd < E_OK) {
		P("Can't open CLOCK device [%#x]\n", dd);
		goto exit0;
	}

	/* Note: The RTC is set to UTC rather than local time. because UTC
	   is not affected by time zone and daylight saving time. */

	if (set == TRUE) {	/* set date to RTC */

		/* convert system time to UTC date/time */
		dt_gmtime_ms(stm, &ctm);

		/* set local date/time to RTC */
		dt.d_year = ctm.tm_year;
		dt.d_month = ctm.tm_mon + 1;
		dt.d_day = ctm.tm_mday;
		dt.d_hour = ctm.tm_hour;
		dt.d_min = ctm.tm_min;
		dt.d_sec = ctm.tm_sec;
		dt.d_wday = ctm.tm_wday;
		er = tk_swri_dev(dd, DN_CKDATETIME, &dt, sizeof(dt), &asz);
		if (er < E_OK) {
			P("Can't set CLOCK [%#x]\n", er);
			goto exit1;
		}
	} else {		/* get date from RTC */

		/* get timezone of "UTC+0" */
		memset(&tz, 0, sizeof(tz));
		er = dt_tzset(&tz, "UTC+0");
		if (er < E_OK ) {
			P("dt_tzset(UTC+0) ERR [%#x]\n", er);
			goto exit1;
		}

		/* get UTC date/time from RTC */
		er = tk_srea_dev(dd, DN_CKDATETIME, &dt, sizeof(dt), &asz);
		if (er < E_OK) {
			P("Can't get CLOCK [%#x]\n", er);
			goto exit1;
		}

		/* convert to system time */
		ctm.tm_year = dt.d_year;
		ctm.tm_mon = dt.d_month - 1;
		ctm.tm_mday = dt.d_day;
		ctm.tm_hour = dt.d_hour;
		ctm.tm_min = dt.d_min;
		ctm.tm_sec = dt.d_sec;
		ctm.tm_wday = dt.d_wday;
		ctm.tm_usec = 0;
		ctm.tm_wday = -1;
		ctm.tm_isdst = 0;
		ctm.tm_yday = 0;
		dt_mktime_ms(&ctm, &tz, stm);
	}
exit1:
	tk_cls_dev(dd, 0);
exit0:
	return;
}