Ejemplo n.º 1
0
/* Saves the target into in parsable form to stdout. */
static void
save(const struct ipt_ip *ip, const struct ipt_entry_target *target)
{
	const struct ipt_connmark_target_info *markinfo =
		(const struct ipt_connmark_target_info *)target->data;

	switch (markinfo->mode) {
	case IPT_CONNMARK_SET:
	    printf("--set-mark ");
	    print_mark(markinfo->mark);
	    print_mask("/", markinfo->mask);
	    printf(" ");
	    break;
	case IPT_CONNMARK_SAVE:
	    printf("--save-mark ");
	    print_mask("--mask ", markinfo->mask);
	    break;
	case IPT_CONNMARK_RESTORE:
	    printf("--restore-mark ");
	    print_mask("--mask ", markinfo->mask);
	    break;
	default:
	    printf("ERROR: UNKNOWN CONNMARK MODE ");
	    break;
	}
}
Ejemplo n.º 2
0
/* ---------------------------------------------------------------------- */
void
do_block(void)
{
  int flags = 0;
  sigset_t set, old;
  int rc;
  int trace_fd = 0;
  int i;

  switch (options.sigio_cntl) {
    case OPT_SIGIO_USE_PROCMASK:
#ifdef __CYGWIN__
      printf("do_block: option not supported in CYGWIN version\n");
      exit(1);
#else
      PRINT_TIME(NOFD, &tnow, &tprev, "do_block: changing procmask");
      if (in_handler) {
        DEBG(MSG_INTR, "do_block: in_handler = 1\n");
        /* printf("do_block - in handler - sigaddset\n"); */
        assert(uc != 0);
#ifdef MACROBUG
        print_mask("do_block: uc_sigmask was \n",
          (sigset_t *) & uc->uc_sigmask);
        TRACE(EVT_CHANGESET,
          trace_fd = 0;
          rc = sigaddset((sigset_t *) & (uc->uc_sigmask), SIGIO););
        print_mask("do_block: uc_sigmask is now\n",
          (sigset_t *) & uc->uc_sigmask);
#else
        print_mask("do_block: uc_sigmask was \n", &uc->uc_sigmask);
        TRACE(EVT_CHANGESET,
          trace_fd = 0; rc = sigaddset(&(uc->uc_sigmask), SIGIO););
        print_mask("do_block: uc_sigmask is now\n", &uc->uc_sigmask);
#endif /* MACROBUG */
      } else {
Ejemplo n.º 3
0
/* Prints out the target info. */
static void
print(const struct ipt_ip *ip,
      const struct ipt_entry_target *target,
      int numeric)
{
	const struct ipt_connmark_target_info *markinfo =
		(const struct ipt_connmark_target_info *)target->data;
	switch (markinfo->mode) {
	case IPT_CONNMARK_SET:
	case IPT_CONNMARK_SET_RETURN:
	    printf("CONNMARK set%s ", (markinfo->mode == IPT_CONNMARK_SET_RETURN) ? "-return" : "");

//	    printf("CONNMARK set ");
	    print_mark(markinfo->mark);
	    print_mask("/", markinfo->mask);
	    printf(" ");
	    break;
	case IPT_CONNMARK_SAVE:
	    printf("CONNMARK save ");
	    print_mask("mask ", markinfo->mask);
	    printf(" ");
	    break;
	case IPT_CONNMARK_RESTORE:
	    printf("CONNMARK restore ");
	    print_mask("mask ", markinfo->mask);
	    break;
	default:
	    printf("ERROR: UNKNOWN CONNMARK MODE ");
	    break;
	}
}
/* Prints out the target info. */
static void CONNMARK_print(const void *ip,
                           const struct xt_entry_target *target, int numeric)
{
	const struct xt_connmark_target_info *markinfo =
		(const struct xt_connmark_target_info *)target->data;
	switch (markinfo->mode) {
	case XT_CONNMARK_SET:
	    printf("CONNMARK set ");
	    print_mark(markinfo->mark);
	    print_mask("/", markinfo->mask);
	    printf(" ");
	    break;
	case XT_CONNMARK_SAVE:
	    printf("CONNMARK save ");
	    print_mask("mask ", markinfo->mask);
	    printf(" ");
	    break;
	case XT_CONNMARK_RESTORE:
	    printf("CONNMARK restore ");
	    print_mask("mask ", markinfo->mask);
	    break;
	default:
	    printf("ERROR: UNKNOWN CONNMARK MODE ");
	    break;
	}
}
Ejemplo n.º 5
0
void print_masks(void)
{
	int i;

	for(i=0; i<4; i++) {
		print_mask(i);
	}
}
Ejemplo n.º 6
0
int setlogmask(int maskpri)
{
    int oldlogmask = logmask;
    logmask = maskpri;
    msgheader();
    fputs("setlogmask(", stderr);
    print_mask(maskpri, priority_masks, sizeof(priority_masks)/sizeof(priority_masks[0]));
    fputs(")\n", stderr);
    return oldlogmask;
}
Ejemplo n.º 7
0
/*
 * Handles an inotify event. Each registered application with a watch
 * that is evaluated as a match when compared to the event that is
 * getting handled here will be sent a message with the relevant data
 * from this event (it may depend on the state information kept when the
 * watch is created by the client application).
 *
 * There may also be internal actions triggered from this handler. They
 * include things that will need to occur to maintain the state of the
 * galaxy watch list, such as:
 *   - Adding a new directory
 *   - Removing an existing watch directory
 *   - Unmounting of a directory
 */
static void *
ihandler_thread(void *arg)
{
	struct inotify_event *event;
	char *dirname;
	int err;
	
	event = (struct inotify_event *)arg;

#ifdef DEBUG_IHANDLER_THREAD
	err_msg("DEBUG[ihandler_thread]: Inotify event handler\n");
	err_msg("  + Event watch descriptor = %d\n", event->wd);
	err_msg("  + Event mask = 0x%x\n", event->mask);
	print_mask(event->mask);
#endif

	pthread_mutex_lock(&inotify_wds_mutex);
	dirname = g_hash_table_lookup(inotify_wds, &(event->wd));
	pthread_mutex_unlock(&inotify_wds_mutex);

	/* Check for NULL'ness. Shouldn't happend. Abort if it occurs. */
	if (dirname == NULL) {
		err_msg("error[ihandler_thread]: Hash table lookup returned NULL.\n");
		return NULL;
	}
#ifdef DEBUG_IHANDLER_THREAD
	err_msg("  + dirname = %s\n", dirname);
#endif

	/* Append dirname + '/' + the event filename (if it exists). */
	char filename[strlen(dirname) + event->len + 2];
	filename[0] = '\0';
	strcat(filename, dirname);
	if (event->len) {
		if (filename[strlen(filename) - 1] != '/')
			strcat(filename, "/");
		strcat(filename, event->name);
	}

#ifdef DEBUG_IHANDLER_THREAD
	err_msg("  + filename = %s\n", filename);
#endif

	/* Handle any internal actions for this event. */
	err = handle_internal_actions(event, filename);
	if (err < 0)
		err_msg("warning[ihandler_thread]: Unable to handle internal actions.\n");

	/* Search list of galaxy watches for matching event(s). */
	find_matching_events(filename, event->mask);

	free(event);

	return NULL;
}
Ejemplo n.º 8
0
void omp_report_mask(){

int nthrds, thrd;  //Thread info

int ncpus, nel_set;
static int ** proc_mask;
int i,j, ierr;
char *  dummy;

   thrd   =  omp_get_thread_num();
   nthrds =  omp_get_num_threads();
   ncpus  =  (int) sysconf(_SC_NPROCESSORS_ONLN);
   

   if(omp_get_num_procs() != ncpus){
         printf("ERROR: ncpus_by_omp=%d, ncpus_sched=%d\n",omp_get_num_procs(),ncpus);
         exit(1);
   }


   #pragma omp single
   {
      proc_mask =                           malloc(sizeof(int*)*nthrds);
      for(i=0;i<nthrds;i++) proc_mask[i] =  malloc(sizeof(int)*ncpus  );
      for(i=0;i<nthrds;i++) for(j=0;j<ncpus;j++) proc_mask[i][j] =0;
   }

   ierr = boundto(&nel_set,proc_mask[thrd]);

   #pragma omp barrier
   #pragma omp single
   {
          print_mask(1,  dummy,  0,     0,0,   ncpus, nthrds,1, proc_mask[thrd]);  //print header
      for(thrd=0;thrd<nthrds;thrd++){
         print_mask(0,   dummy,  0,  thrd,0,   ncpus, nthrds,1, proc_mask[thrd]);
      }
   }
   
}
Ejemplo n.º 9
0
void openlog(const char *ident, int logopt, int facility)
{
    msgheader();

    fprintf(stderr, "openlog(%s, ", ident ? ident : "<none>");
    print_mask(logopt, logopts, sizeof(logopts)/sizeof(logopts[0]));
    const char *facility_str = get_facility_str(facility);
    if (facility_str)
    {
        fprintf(stderr, ", %s)\n", facility_str);
    }
    else
    {
        fprintf(stderr, ", 0x%02X)\n", facility);
    }
}
Ejemplo n.º 10
0
/**
 * @brief
 *	RETURNS THE ACCESS INFO.
 *
 * @param[in] acc - pointer to access info
 * @param[in] len - length of info
 *
 * @return	string
 * @retval	access info	success
 * @retval	EMPTY STRING	error
 *
 */
char *
accessinfo_values(struct accessinfo *acc, int len)
{
	int i;
	static char buf[512];
	static char msg[LOG_BUF_SIZE];

	strcpy(msg, "");
	for (i=0; i < len; i++) {
		if (acc[i].group != NULL) {
			sprintf(buf, "acc[%d]=(grp=%s,mask=%s) ", i,
				(acc[i].group?acc[i].group:"null"),
				print_mask(acc[i].mask));
			if ((strlen(msg) + strlen(buf)) < 4095)
				strcat(msg, buf);
		}
	}
	return (msg);
}
Ejemplo n.º 11
0
static void *
receive_notifications(void *arg)
{
	struct galaxy_t *galaxy;
	struct galaxy_event_t *gevent;

	galaxy = (struct galaxy_t *)arg;

	while (1) {
		err_msg("Receiving galaxy event...");
		gevent = galaxy_receive(galaxy);
		if (gevent == NULL) {
			err_msg("warning[receive_notifications]: gevent is NULL!");
		}

		err_msg("gevent->mask = %d gevent->name = %s gvent->timestamp = %d\n",
			gevent->mask, gevent->name, gevent->timestamp);
		print_mask(gevent->mask);
	}

	return NULL;
}
Ejemplo n.º 12
0
int hybrid_report_mask(){

                        // General
int i,j,ierr;
int id, rid,tid;
int in_mpi, in_omp;
int thrd, nthrds;
int ncpus, nel_set;

                        // Mask storage
static int ** omp_proc_mask;
static int  * omp_mask_pac;
char *dummy;

                       // MPI specific Variables
int rank, nranks;
MPI_Request *request; 
MPI_Status  *status;

static int   multi_node = 0;
static char *all_names;
static int   max_name_len;
     int   name_len;
     char  proc_name[MPI_MAX_PROCESSOR_NAME];

char l,p;
int  tpc;   // hwthreads/core

   Maskopts opts;
                          // get print_speed fast or slow (f|c);   listing cores or SMT (c|s)
   p = opts.get_p();
   l = opts.get_l();

   tpc=get_threads_per_node();
                                         // In MPI and parallel region ?
   MPI_Initialized(&in_mpi);
   in_omp = omp_in_parallel();
   if(in_mpi == 0){
     printf("ERROR: ***** Must call hybrid_report_mask() in MPI program. ***** \n");
     exit(1);
   }

                                        // Get rank number & no of ranks via MPI
   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
   MPI_Comm_size(MPI_COMM_WORLD, &nranks);

   if(in_omp == 0){
     if(rank == 0){
        printf("         ***** When using 1 thread, Intel OpenMP MAY report "
                              "\"not in a parallel region\" (Uh!)***** \n");
        printf("         ***** Each row will only have a rank number (no \"0\" thread_id). \n");
        printf("WARNING: ***** Unspecified results if hybrid_report_mask "
                              "not called in parallel region of MPI code section. ***** \n");
     }
   }
 
   thrd  =  omp_get_thread_num();        // thread id
   nthrds =  omp_get_num_threads();      // Number of Threads
                                         // Get number of cpus (this gives no. 
                                         // of cpu_ids in /proc/cpuinfo)
   ncpus = (int) sysconf(_SC_NPROCESSORS_ONLN);
 
 
                                  // Working only with MPI processes (masters)
   #pragma omp master
   {
                                  // Get a list of nodes from all ranks.
     MPI_Get_processor_name(proc_name,&name_len);
     MPI_Allreduce(&name_len, &max_name_len, 1,MPI_INT, MPI_MAX, MPI_COMM_WORLD);
     all_names = (char *) malloc(sizeof(int*)*nranks*(max_name_len+1));
     MPI_Gather( proc_name, max_name_len+1 , MPI_CHAR,
                 all_names, max_name_len+1, MPI_CHAR,
                 0, MPI_COMM_WORLD);
  
                                  // If multiple nodes, make muti_node non-zero.
     if(rank == 0){
       for(id=0;id<nranks;id++){
         if( strcmp(&all_names[id*(max_name_len+1)],&all_names[0]) ) multi_node++; }

     }
   
                                  // Create shared storage for masks (only master allocates)
 
     omp_proc_mask =                          (int **) malloc(sizeof(int*)*nthrds);
     for(i=0;i<nthrds;i++) omp_proc_mask[i] = (int * ) malloc(sizeof(int )*ncpus  );
     for(i=0;i<nthrds;i++) for(j=0;j<ncpus;j++) omp_proc_mask[i][j] =0;
 
   }
   #pragma omp barrier

   #pragma omp critical           // (boundto -- may not be thread safe)
     ierr = boundto(&nel_set,omp_proc_mask[thrd]);
   #pragma omp barrier
 
   #pragma omp master
   {
 
     omp_mask_pac = (int *) malloc(sizeof(int)*nranks*nthrds*ncpus);  // need packing space for mpi send/recv

     if(rank == 0){
       request = (MPI_Request *) malloc(sizeof(MPI_Request)*nranks);
       status  = (MPI_Status  *) malloc(sizeof(MPI_Status )*nranks);

       print_mask(1,  dummy,  multi_node,     0, 0,   ncpus, nranks,nthrds, omp_proc_mask[0],tpc,l);  //print header 
       fflush(stdout);

       for(tid=0;tid<nthrds;tid++){
          print_mask(0,  &all_names[tid*(max_name_len+1)], multi_node,  0,tid,   ncpus, nranks,nthrds, omp_proc_mask[tid],tpc,l);
       }
       fflush(stdout);
         
       for(rid=1;rid<nranks;rid++){ // Receive other rank's packed mask arrays
         MPI_Irecv(&omp_mask_pac[rid*nthrds*ncpus], nthrds*ncpus, MPI_INT, rid, 99, MPI_COMM_WORLD, &request[rid-1]);
       } 

       MPI_Waitall(nranks-1,&request[0],&status[0]);

       for(rid=1;rid<nranks;rid++){ // Print for each rank
            for(tid=0;tid<nthrds;tid++){
               print_mask(0,  &all_names[tid*(max_name_len+1)], multi_node,  rid,tid,   ncpus, nranks,nthrds, &omp_mask_pac[rid*nthrds*ncpus + tid*ncpus],tpc,l);
               if(p == 's') ierr=usleep(300000);
            }
       }

       if(nranks*nthrds > 50)
          print_mask(2,  dummy,  multi_node,     0, 0,   ncpus, nranks,nthrds, omp_proc_mask[0],tpc,l);  //print header 

       fflush(stdout);

     }   // end root printing

     else{  //all non-root ranks

                                       // Pack up the ranks' mask arrays (Uh, should have made one array from beginning!) 
          for(   tid=0;tid<nthrds;tid++){
             for( id=0; id<ncpus;  id++)  omp_mask_pac[(tid*ncpus)+id] = omp_proc_mask[tid][id];
             if(p == 's') ierr=usleep(300000);
          }
                                       // Send to root
          MPI_Send(omp_mask_pac, nthrds*ncpus, MPI_INT, 0, 99, MPI_COMM_WORLD);
               

     } // end non-root printing

                                  // Return allocated space

     for(i=0;i<nthrds;i++) free(omp_proc_mask[i]);
                           free(omp_proc_mask);
     free(omp_mask_pac);
     if(rank == 0 ){ free(request); free(status);}
     free(all_names);

   } // end of Master

   #pragma omp barrier            // JIC, what all threads leaving at the same time.

}
Ejemplo n.º 13
0
Archivo: sec2.c Proyecto: JorgeKtch/vrp
	struct constraint *
sec_flow_separator (

struct comp **		comp_hookp,	/* IN/OUT - congested component(s) */
double *		x,		/* IN - the LP solution to separate */
bitmap_t *		edge_mask,	/* IN - subset of valid edges */
struct bbinfo *		bbip,		/* IN - branch-and-bound info */
struct constraint *	cp		/* IN - existing constraints */
)
{
int			i;
int			j;
int			t;
int			kmasks;
struct comp *		comp;
struct cinfo *		cip;
int *			ip1;
int *			ip2;
double			z;
bitmap_t *		S;
bitmap_t *		RS;

	cip = bbip -> cip;

#if 0
	plot_lp_solution ("LP solution to separate", x, cip, BIG_PLOT);
#endif

	S = NEWA (2 * cip -> num_vert_masks, bitmap_t);
	RS = S + cip -> num_vert_masks;

	for (;;) {
		comp = *comp_hookp;
		if (comp EQ NULL) break;
		if (comp -> num_verts <= 0) {
			/* Free up this component... */
			*comp_hookp = comp -> next;
			comp -> next = NULL;
			free_congested_component (comp);
			continue;
		}
		if (comp -> num_verts EQ 1) {
			/* Because of the total-degree constraint, this	 */
			/* cannot happen unless something is very wrong! */
			fatal ("sec_flow_separator: Bug 1.");
		}

		if (comp -> num_verts <= SEC_ENUM_LIMIT) {
			/* We have whittled this component down to	*/
			/* something small.  Use brute force on the	*/
			/* rest...					*/
			cp = enumerate_all_subtours (comp, cp, bbip);

			/* Free up this component... */
			*comp_hookp = comp -> next;
			comp -> next = NULL;
			free_congested_component (comp);
			continue;
		}

		/* Find the LEAST congested vertex.  this is the one	*/
		/* we are going to try to force into the solution,	*/
		/* since that is the one we would like to delete from	*/
		/* the set afterward...					*/
		t = find_least_congested_vertex (NULL, comp);

#if 0
		tracef (" %% -------------------------"
			    "-------------------------\n"
			" %% separating comp with %d verts, %d edges,"
			    " forcing vertex %d\n"
			" %% -------------------------"
			    "-------------------------\n",
			comp -> num_verts, comp -> num_edges,
			comp -> rverts [t] [0]);
#endif

		/* Find worst SEC violation involving vertex t. */
		z = do_flow_problem (comp, t, S);

#if 0
#if 0
		kmasks = cip -> num_vert_masks;
		for (i = 0; i < kmasks; i++) {
			RS [i] = 0;
		}
		for (i = 0; i < comp -> num_verts; i++) {
			if (NOT BITON (S, i)) continue;
			ip1 = comp -> rverts [i];
			ip2 = comp -> rverts [i + 1];
			while (ip1 < ip2) {
				j = *ip1++;
				SETBIT (RS, j);
			}
		}
		print_mask (" %% S =", RS, cip -> num_verts);
#else
		print_mask (" %% S =", S, comp -> num_verts);
#endif
		tracef (" %%	f(S) = %-24.15g\n", z);
#endif

		if (z < (1.0 - FUZZ)) {
			/* Add new violated constraint to the list... */
			cp = check_component_subtour (S,
						      comp,
						      cp,
						      x,
						      edge_mask,
						      bbip);
		}

		/* We have found the worst violation (if any) involving	*/
		/* vertex t.  We can now eliminate t from further	*/
		/* consideration...					*/

		*comp_hookp = delete_vertex_from_component (t, comp);
	}

	free ((char *) S);

	return (cp);
}
Ejemplo n.º 14
0
void
print_eglConfig (EGLDisplay dpy, EGLConfig config)
{
		EGLint val;
			printf ("# EGLconfig:\n");
				print_eInt (EGL_BUFFER_SIZE);
					print_eInt (EGL_RED_SIZE);
						print_eInt (EGL_GREEN_SIZE);
							print_eInt (EGL_BLUE_SIZE);
								print_eInt (EGL_LUMINANCE_SIZE);
									print_eInt (EGL_ALPHA_SIZE);
										print_eInt (EGL_ALPHA_MASK_SIZE);
											print_eBool (EGL_BIND_TO_TEXTURE_RGB);
												print_eBool (EGL_BIND_TO_TEXTURE_RGBA);
													print_enum_Head (EGL_COLOR_BUFFER_TYPE);
														print_enum (EGL_RGB_BUFFER);
															print_enum (EGL_LUMINANCE_BUFFER);
																print_enum_Foot ();
																	print_enum_Head (EGL_CONFIG_CAVEAT);
																		print_enum (EGL_NONE);
																			print_enum (EGL_SLOW_CONFIG);
																				print_enum (EGL_NON_CONFORMANT_CONFIG);
																					print_enum_Foot ();
																						print_eInt (EGL_CONFIG_ID);
																							print_mask_Head (EGL_CONFORMANT);
																								print_mask (EGL_OPENGL_ES_BIT);
																									print_mask (EGL_OPENGL_ES2_BIT);
																										print_mask (EGL_OPENVG_BIT);
																											print_mask (EGL_OPENGL_BIT);
																												print_mask_Foot ();
																													print_eInt (EGL_DEPTH_SIZE);
																														print_eInt (EGL_LEVEL);
																															print_eInt (EGL_MATCH_NATIVE_PIXMAP);
																																print_eInt (EGL_MAX_PBUFFER_WIDTH);
																																	print_eInt (EGL_MAX_PBUFFER_HEIGHT);
																																		print_eInt (EGL_MAX_PBUFFER_PIXELS);
																																			print_eInt (EGL_MAX_SWAP_INTERVAL);
																																				print_eInt (EGL_MIN_SWAP_INTERVAL);
																																					print_eBool (EGL_NATIVE_RENDERABLE);
																																						print_eInt (EGL_NATIVE_VISUAL_ID);
																																							print_eInt (EGL_NATIVE_VISUAL_TYPE);
																																								print_mask_Head (EGL_RENDERABLE_TYPE);
																																									print_mask (EGL_OPENGL_ES_BIT);
																																										print_mask (EGL_OPENGL_ES2_BIT);
																																											print_mask (EGL_OPENVG_BIT);
																																												print_mask (EGL_OPENGL_BIT);
																																													print_mask_Foot ();
																																														print_eInt (EGL_SAMPLE_BUFFERS);
																																															print_eInt (EGL_SAMPLES);
																																																print_eInt (EGL_STENCIL_SIZE);
																																																	print_mask_Head (EGL_SURFACE_TYPE);
																																																		print_mask (EGL_PBUFFER_BIT);
																																																			print_mask (EGL_PIXMAP_BIT);
																																																				print_mask (EGL_WINDOW_BIT);
																																																					print_mask (EGL_VG_COLORSPACE_LINEAR_BIT);
																																																						print_mask (EGL_VG_ALPHA_FORMAT_PRE_BIT);
																																																							print_mask (EGL_MULTISAMPLE_RESOLVE_BOX_BIT);
																																																								print_mask (EGL_SWAP_BEHAVIOR_PRESERVED_BIT);
																																																									print_mask_Foot ();
																																																										print_mask_Head (EGL_TRANSPARENT_TYPE);
																																																											print_mask (EGL_TRANSPARENT_RGB);
																																																												print_mask_Foot ();
																																																													print_eInt (EGL_TRANSPARENT_RED_VALUE);
																																																														print_eInt (EGL_TRANSPARENT_GREEN_VALUE);
																																																															print_eInt (EGL_TRANSPARENT_BLUE_VALUE);

																																																																printf ("# END\n");
}
Ejemplo n.º 15
0
int hybrid_report_mask(void){

int thrd, nthrds;
int rank, nranks;

static int multi_node = 0;

int ncpus, nel_set;

static int ** omp_proc_mask;
static int  * omp_mask_pac;
char *dummy;


       char   proc_name[MPI_MAX_PROCESSOR_NAME];
static char * all_names;
       int    name_len;
static int    max_name_len;

                          // General
int i,j,ierr;
int id, rid,tid;
int in_mpi, in_omp;

                          // Mask storage
       int ** proc_mask;
static int  * all_masks=0;


   MPI_Initialized(&in_mpi);
   in_omp = omp_in_parallel();

   if(in_mpi != 0 && in_omp == 0){

                     // Get number of cpus (this gives no. of cpu_ids in /proc/cpuinfo)
                     // Get rank number & no of ranks via MPI
     ncpus = (int) sysconf(_SC_NPROCESSORS_ONLN);
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
     MPI_Comm_size(MPI_COMM_WORLD, &nranks);
  
                     // Create a 2-D array for mask
                     // proc_mask[rank][ncpus] -- for simplicity, size is [ncpus][ncpus]
                     // Thinking ahead for hybrid code.
  
                     // zero out proc_mask[ncpus][ncpus]  
                     // I could have made proc_mask a single array (proc_mask[ncpus]); but didn't
                     // This is a hold-over from the openmp version that holds everything for all threads.
                     // For MPI I made a continguous collection array (all_masks).
     proc_mask =          malloc(sizeof(int*)*ncpus);
     for(i=0;i<ncpus;i++) proc_mask[i] =  malloc(sizeof(int)*ncpus);
     for(i=0;i<ncpus;i++) for(j=0;j<ncpus;j++) proc_mask[i][j] =0;
     all_masks =  (int *) malloc(sizeof(int)*ncpus*ncpus);
  
                               // get map for this processor
     ierr=boundto(&nel_set,proc_mask[rank]);

                                  // Gather information to rank 0
  
     MPI_Gather( proc_mask[rank], ncpus, MPI_INT,
                 all_masks,    ncpus, MPI_INT,
                 0, MPI_COMM_WORLD);
  
  
                                  // Get a list of nodes from all ranks.
     MPI_Get_processor_name(proc_name,&name_len);
     MPI_Allreduce(&name_len, &max_name_len, 1,MPI_INT, MPI_MAX, MPI_COMM_WORLD);
     all_names = malloc(sizeof(int*)*nranks*(max_name_len+1));
     MPI_Gather( proc_name, max_name_len+1 , MPI_CHAR,
                 all_names, max_name_len+1, MPI_CHAR,
                 0, MPI_COMM_WORLD);
  
                                  // If multiple nodes, make muti_node not equal to 0.
     if(rank == 0)
        for(id=0;id<nranks;id++){
           if( strcmp(&all_names[id*(max_name_len+1)],&all_names[0]) ) multi_node++;
        }

   }  // End of Pure MPI part


   if(in_mpi != 0 && in_omp != 0){

 
       if(all_masks == 0) {
          printf("ERROR: ***** You must call hybrid_report_mask() in a Pure MPI region first. ***** \n");
          exit(1);
       }
   
        thrd  =  omp_get_thread_num();
       nthrds =  omp_get_num_threads();
       ncpus  =  (int) sysconf(_SC_NPROCESSORS_ONLN);
    
    
       #pragma omp single
       {
          omp_proc_mask =                           malloc(sizeof(int*)*nthrds);
          for(i=0;i<nthrds;i++) omp_proc_mask[i] =  malloc(sizeof(int)*ncpus  );
          for(i=0;i<nthrds;i++) for(j=0;j<ncpus;j++) omp_proc_mask[i][j] =0;
       }
    
       #pragma omp critical
       ierr = boundto(&nel_set,omp_proc_mask[thrd]);
 
       #pragma omp barrier
       MPI_Comm_size(MPI_COMM_WORLD, &nranks);
       MPI_Comm_rank(MPI_COMM_WORLD, &rank);
 
       #pragma omp master
       {
 
          omp_mask_pac = (int *) malloc(sizeof(int)*nranks*ncpus);  // need packing space for mpi send/recv
 
          if(rank == 0){
 
               print_mask(1,  dummy,  multi_node,     0, 0,   ncpus, nthrds,nranks, omp_proc_mask[0]);  //print header 
               fflush(stdout);
   
               for(tid=0;tid<nthrds;tid++){
                  print_mask(0,  &all_names[tid*(max_name_len+1)], multi_node,  0,tid,   ncpus, nthrds,nranks, omp_proc_mask[tid]);
               }
               fflush(stdout);
 
            for(rid=1;rid<nranks;rid++){
                                            // Receive other rank's packed mask arrays
               MPI_Recv(omp_mask_pac, nthrds*ncpus, MPI_INT, rid, 99, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
 
               for(tid=0;tid<nthrds;tid++){
                  print_mask(0,  &all_names[rid*(max_name_len+1)], multi_node,  rid,tid,   ncpus, nthrds,nranks, &omp_mask_pac[tid*ncpus]);
               }
               fflush(stdout);
 
            } // rank loop
          }   // end root printing
 
          else{  //all other ranks
                                            // All non-root ranks send to root. 
 
            for(rid=1;rid<nranks;rid++){
                                            // Pack up the ranks' mask arrays (Uh, should have made one array from beginning!) 
               for(   tid=0;tid<nthrds;tid++){
                  for( id=0; id<ncpus;  id++)  omp_mask_pac[(tid*ncpus)+id] = omp_proc_mask[tid][id];
               }
                                            // Send to root
               MPI_Send(omp_mask_pac, nthrds*ncpus, MPI_INT, 0, 99, MPI_COMM_WORLD);
                    
            }  //all other ranks
 
 
          } // end non-root printing

          MPI_Barrier(MPI_COMM_WORLD);
 
 
       } // end of Master
       #pragma omp barrier
 
   } // end of OpenMP  part
}
int set_watch_backend_inotify(struct notifywatch_struct *watch)
{
    int wd=0;
    uint32_t inotify_mask;
    unsigned int error=0;

    logoutput("set_watch_backend_inotify");

    /* first translate the fsnotify mask into a inotify mask */

    inotify_mask=translate_mask_fsnotify_to_inotify(watch->mask);

    if (inotify_mask>0) {
	char maskstring[128];

	print_mask(inotify_mask, maskstring, 128);

	logoutput("set_watch_backend_inotify: call inotify_add_watch on path %s and mask %i/%s", watch->pathinfo.path, inotify_mask, maskstring);

	/*
	    add some sane flags and all events:
	*/

	inotify_mask |= IN_DONT_FOLLOW | IN_ALL_EVENTS;

#ifdef IN_EXCL_UNLINK

	inotify_mask |= IN_EXCL_UNLINK;

#endif

	wd=inotify_add_watch(xdata_inotify.fd, watch->pathinfo.path, inotify_mask);

	if ( wd==-1 ) {

	    error=errno;

    	    logoutput("set_watch_backend_inotify: setting inotify watch on %s gives error: %i (%s)", watch->pathinfo.path, error, strerror(error));

	} else {
	    struct inotify_watch_struct *inotify_watch=NULL;

	    inotify_watch=lookup_inotify_watch_wd(wd);

	    if (inotify_watch) {

		if (!(inotify_watch->watch==watch)) {

		    logoutput("set_watch_backend_inotify: internal error, inotify watch (wd=%i)(path=%s)", wd, watch->pathinfo.path);

		    inotify_watch->watch=watch;

		    watch->backend=(void *) inotify_watch;

		}

	    } else {

		inotify_watch=malloc(sizeof(struct inotify_watch_struct));

		if (inotify_watch) {

		    inotify_watch->wd=wd;
		    inotify_watch->watch=watch;

		    add_watch_inotifytable(inotify_watch);

		    watch->backend=(void *) inotify_watch;

		}

	    }

	}

    } else if (inotify_mask==0) {

	logoutput("set_watch_backend_inotify: mask %i", inotify_mask);

    } else {

	logoutput("set_watch_backend_inotify: mask %i", inotify_mask);

    }

    out:

    return (error>0) ? error : wd;

}