示例#1
0
static void QOTstatisticsInit(void){
	oid o=0;
	int i,j;

	if (qotStat[QOTnames]) return;
#ifdef NEED_MT_LOCK_INIT
	MT_lock_init(&qotlock,"QOT statistics");
#endif

	MT_lock_set(&qotlock, "QOT statistics");
	qotStat[QOTnames]= QOT_create("opt","names",TYPE_str);
	BATseqbase(qotStat[QOTnames],o);
	qotStat[QOTcalls]= QOT_create("opt","calls",TYPE_int);
	BATseqbase(qotStat[QOTcalls],o);
	qotStat[QOTactions]= QOT_create("opt","actions",TYPE_int);
	BATseqbase(qotStat[QOTactions],o);
	qotStat[QOTtimings]= QOT_create("opt","timings",TYPE_lng);
	BATseqbase(qotStat[QOTtimings],o);

	/* recover from errors */
	for ( i=0; i<4; i++)
	if ( qotStat[i] == NULL){
		for (j= 0; j < i; j++)
			BBPclear(qotStat[j]->batCacheid);
		MT_lock_unset(&qotlock, "QOT statistics");
		return;
	}
	MT_lock_unset(&qotlock, "QOT statistics");
	/* save them at least once */
	QOTstatisticsExit();
}
示例#2
0
str
defaultScenario(Client c)
{
#ifdef NEED_MT_LOCK_INIT
	if (c == mal_clients)
		MT_lock_init(&scenarioLock, "scenarioLock");
#endif
	return initScenario(c, scenarioRec);
}
示例#3
0
list *
list_new(sql_allocator *sa, fdestroy destroy)
{
	list *l = (sa)?SA_ZNEW(sa, list):ZNEW(list);

	l->sa = sa;
	l->destroy = destroy;
	l->h = l->t = NULL;
	l->cnt = 0;
	l->ht = NULL;
	MT_lock_init(&l->ht_lock, "sa_ht_lock");
	return l;
}
示例#4
0
list *
list_create(fdestroy destroy)
{
	list *l = MNEW(list);

	l->sa = NULL;
	l->destroy = destroy;
	l->h = l->t = NULL;
	l->cnt = 0;
	l->expected_cnt = 0;
	l->ht = NULL;
	MT_lock_init(&l->ht_lock, "sa_ht_lock");
	return l;
}
示例#5
0
static str
SQLinit(void)
{
	char *debug_str = GDKgetenv("sql_debug"), *msg = MAL_SUCCEED;
	int readonly = GDKgetenv_isyes("gdk_readonly");
	int single_user = GDKgetenv_isyes("gdk_single_user");
	const char *gmt = "GMT";
	tzone tz;

#ifdef _SQL_SCENARIO_DEBUG
	mnstr_printf(GDKout, "#SQLinit Monet 5\n");
#endif
	if (SQLinitialized)
		return MAL_SUCCEED;

#ifdef NEED_MT_LOCK_INIT
	MT_lock_init(&sql_contextLock, "sql_contextLock");
#endif

	MT_lock_set(&sql_contextLock);
	memset((char *) &be_funcs, 0, sizeof(backend_functions));
	be_funcs.fstack = &monet5_freestack;
	be_funcs.fcode = &monet5_freecode;
	be_funcs.fresolve_function = &monet5_resolve_function;
	monet5_user_init(&be_funcs);

	msg = MTIMEtimezone(&tz, &gmt);
	if (msg)
		return msg;
	(void) tz;
	if (debug_str)
		SQLdebug = strtol(debug_str, NULL, 10);
	if (single_user)
		SQLdebug |= 64;
	if (readonly)
		SQLdebug |= 32;
	if ((SQLnewcatalog = mvc_init(SQLdebug, store_bat, readonly, single_user, 0)) < 0)
		throw(SQL, "SQLinit", "Catalogue initialization failed");
	SQLinitialized = TRUE;
	MT_lock_unset(&sql_contextLock);
	if (MT_create_thread(&sqllogthread, (void (*)(void *)) mvc_logmanager, NULL, MT_THR_DETACHED) != 0) {
		throw(SQL, "SQLinit", "Starting log manager failed");
	}
#if 0
	if (MT_create_thread(&minmaxthread, (void (*)(void *)) mvc_minmaxmanager, NULL, MT_THR_DETACHED) != 0) {
		throw(SQL, "SQLinit", "Starting minmax manager failed");
	}
#endif
	return MAL_SUCCEED;
}
示例#6
0
/*
 * Create an interpreter pool.
 * One worker will adaptively be available for each client.
 * The remainder are taken from the GDKnr_threads argument and
 * typically is equal to the number of cores
 * The workers are assembled in a local table to enable debugging.
 */
static int
DFLOWinitialize(void)
{
	int i, limit;
	int created = 0;

	MT_lock_set(&mal_contextLock, "DFLOWinitialize");
	if (todo) {
		/* somebody else beat us to it */
		MT_lock_unset(&mal_contextLock, "DFLOWinitialize");
		return 0;
	}
	todo = q_create(2048, "todo");
	if (todo == NULL) {
		MT_lock_unset(&mal_contextLock, "DFLOWinitialize");
		return -1;
	}
	for (i = 0; i < THREADS; i++)
		MT_sema_init(&workers[i].s, 0, "DFLOWinitialize");
	limit = GDKnr_threads ? GDKnr_threads - 1 : 0;
#ifdef NEED_MT_LOCK_INIT
	ATOMIC_INIT(exitingLock, "exitingLock");
	MT_lock_init(&dataflowLock, "dataflowLock");
#endif
	MT_lock_set(&dataflowLock, "DFLOWinitialize");
	for (i = 0; i < limit; i++) {
		workers[i].flag = RUNNING;
		workers[i].cntxt = NULL;
		if (MT_create_thread(&workers[i].id, DFLOWworker, (void *) &workers[i], MT_THR_JOINABLE) < 0)
			workers[i].flag = IDLE;
		else
			created++;
	}
	MT_lock_unset(&dataflowLock, "DFLOWinitialize");
	if (created == 0) {
		/* no threads created */
		q_destroy(todo);
		todo = NULL;
		MT_lock_unset(&mal_contextLock, "DFLOWinitialize");
		return -1;
	}
	MT_lock_unset(&mal_contextLock, "DFLOWinitialize");
	return 0;
}
示例#7
0
static Queue*
q_create(int sz, const char *name)
{
	Queue *q = (Queue*)GDKmalloc(sizeof(Queue));

	if (q == NULL)
		return NULL;
	q->size = ((sz << 1) >> 1); /* we want a multiple of 2 */
	q->last = 0;
	q->data = (FlowEvent*) GDKmalloc(sizeof(FlowEvent) * q->size);
	if (q->data == NULL) {
		GDKfree(q);
		return NULL;
	}
	q->exitcount = 0;

	(void) name; /* in case MT_LOCK_TRACE is not enabled in gdk_system.h */
	MT_lock_init(&q->l, name);
	MT_sema_init(&q->s, 0, name);
	return q;
}
示例#8
0
static reader_thread_data *
create_reader_thread_data(bam_wrapper * bws, int nr_files, sht nr_threads)
{
	reader_thread_data *d =
		(reader_thread_data *) GDKmalloc(nr_threads *
						 sizeof(reader_thread_data));
	MT_Lock *reader_lock = (MT_Lock *) GDKmalloc(sizeof(MT_Lock));
	int *cur_file = (int *) GDKmalloc(sizeof(int));
	str reader_lock_ref = "bamReaderLock";
	bit *failure = (bit *) GDKmalloc(sizeof(bit));

	sht i;

	assert(nr_threads > 0);

	if (d == NULL || reader_lock == NULL || cur_file == NULL
		|| failure == NULL) {
		GDKfree(d);
		GDKfree(reader_lock);
		GDKfree(cur_file);
		GDKfree(failure);
		return NULL;
	}

	MT_lock_init(reader_lock, reader_lock_ref);
	*cur_file = -1;
	*failure = FALSE;

	for (i = 0; i < nr_threads; ++i) {
		d[i].thread_id = i;
		d[i].bws = bws;
		d[i].reader_lock = reader_lock;
		d[i].reader_lock_ref = reader_lock_ref;
		d[i].cur_file = cur_file;
		d[i].nr_files = nr_files;
		d[i].msg = MAL_SUCCEED;
		d[i].failure = failure;
	}
	return d;
}
示例#9
0
int
GDKinit(opt *set, int setlen)
{
	char *dbpath = mo_find_option(set, setlen, "gdk_dbpath");
	char *p;
	opt *n;
	int i, j, nlen = 0;
	char buf[16];

	/* some sanity checks (should also find if symbols are not defined) */
	assert(sizeof(char) == SIZEOF_CHAR);
	assert(sizeof(short) == SIZEOF_SHORT);
	assert(sizeof(int) == SIZEOF_INT);
	assert(sizeof(long) == SIZEOF_LONG);
	assert(sizeof(lng) == SIZEOF_LNG);
	assert(sizeof(oid) == SIZEOF_OID);
	assert(sizeof(void *) == SIZEOF_VOID_P);
	assert(sizeof(wrd) == SIZEOF_WRD);
	assert(sizeof(size_t) == SIZEOF_SIZE_T);
	assert(sizeof(ptrdiff_t) == SIZEOF_PTRDIFF_T);
	assert(SIZEOF_OID == SIZEOF_INT || SIZEOF_OID == SIZEOF_LNG);

#ifdef NEED_MT_LOCK_INIT
	MT_lock_init(&MT_system_lock,"MT_system_lock");
	ATOMIC_INIT(GDKstoppedLock, "GDKstoppedLock");
	ATOMIC_INIT(mbyteslock, "mbyteslock");
	MT_lock_init(&GDKnameLock, "GDKnameLock");
	MT_lock_init(&GDKthreadLock, "GDKthreadLock");
	MT_lock_init(&GDKtmLock, "GDKtmLock");
#endif
	for (i = 0; i <= BBP_BATMASK; i++) {
		MT_lock_init(&GDKbatLock[i].swap, "GDKswapLock");
		MT_lock_init(&GDKbatLock[i].hash, "GDKhashLock");
		MT_lock_init(&GDKbatLock[i].imprints, "GDKimprintsLock");
	}
	for (i = 0; i <= BBP_THREADMASK; i++) {
		MT_lock_init(&GDKbbpLock[i].alloc, "GDKcacheLock");
		MT_lock_init(&GDKbbpLock[i].trim, "GDKtrimLock");
		GDKbbpLock[i].free = 0;
	}
	errno = 0;
	if (!GDKenvironment(dbpath))
		return 0;

	if ((p = mo_find_option(set, setlen, "gdk_debug")))
		GDKdebug = strtol(p, NULL, 10);

	if ((p = mo_find_option(set, setlen, "gdk_mem_pagebits")))
		GDK_mem_pagebits = (int) strtol(p, NULL, 10);

	mnstr_init();
	MT_init_posix();
	THRinit();
#ifndef NATIVE_WIN32
	BATSIGinit();
#endif
#ifdef WIN32
	(void) signal(SIGABRT, BATSIGabort);
	_set_abort_behavior(0, _CALL_REPORTFAULT | _WRITE_ABORT_MSG);
	_set_error_mode(_OUT_TO_STDERR);
#endif
	GDKlockHome();

	/* Mserver by default takes 80% of all memory as a default */
	GDK_mem_maxsize = GDK_mem_maxsize_max = (size_t) ((double) MT_npages() * (double) MT_pagesize() * 0.815);
#ifdef NATIVE_WIN32
	GDK_mmap_minsize = GDK_mem_maxsize_max;
#else
	GDK_mmap_minsize = MIN( 1<<30 , GDK_mem_maxsize_max/6 );
	/*   per op:  2 args + 1 res, each with head & tail  =>  (2+1)*2 = 6  ^ */
#endif
	GDK_mem_bigsize = 1024*1024;
	GDKremovedir(DELDIR);
	BBPinit();

	HEAPcacheInit();

	GDKkey = BATnew(TYPE_void, TYPE_str, 100);
	GDKval = BATnew(TYPE_void, TYPE_str, 100);
	if (GDKkey == NULL)
		GDKfatal("GDKinit: Could not create environment BAT");
	if (GDKval == NULL)
		GDKfatal("GDKinit: Could not create environment BAT");
	BATseqbase(GDKkey,0);
	BATkey(GDKkey, BOUND2BTRUE);
	BATrename(GDKkey, "environment_key");
	BATmode(GDKkey, TRANSIENT);

	BATseqbase(GDKval,0);
	BATkey(GDKval, BOUND2BTRUE);
	BATrename(GDKval, "environment_val");
	BATmode(GDKval, TRANSIENT);

	n = (opt *) malloc(setlen * sizeof(opt));
	for (i = 0; i < setlen; i++) {
		int done = 0;

		for (j = 0; j < nlen; j++) {
			if (strcmp(n[j].name, set[i].name) == 0) {
				if (n[j].kind < set[i].kind) {
					n[j] = set[i];
				}
				done = 1;
				break;
			}
		}
		if (!done) {
			n[nlen] = set[i];
			nlen++;
		}
	}
	for (i = 0; i < nlen; i++)
		GDKsetenv(n[i].name, n[i].value);
	free(n);

	if ((p = GDKgetenv("gdk_dbpath")) != NULL &&
	    (p = strrchr(p, DIR_SEP)) != NULL) {
		GDKsetenv("gdk_dbname", p + 1);
#if DIR_SEP != '/'		/* on Windows look for different separator */
	} else if ((p = GDKgetenv("gdk_dbpath")) != NULL &&
	    (p = strrchr(p, '/')) != NULL) {
		GDKsetenv("gdk_dbname", p + 1);
#endif
	}
	if ((p = GDKgetenv("gdk_mem_maxsize"))) {
		GDK_mem_maxsize = MAX(1 << 26, (size_t) strtoll(p, NULL, 10));
	}
	if ((p = GDKgetenv("gdk_vm_maxsize"))) {
		GDK_vm_maxsize = MAX(1 << 30, (size_t) strtoll(p, NULL, 10));
	}
	if ((p = GDKgetenv("gdk_mem_bigsize"))) {
		/* when allocating >6% of all RAM; do so using
		 * vmalloc() iso malloc() */
		lng max_mem_bigsize = GDK_mem_maxsize_max / 16;

		/* sanity check to avoid memory fragmentation */
		GDK_mem_bigsize = (size_t) MIN(max_mem_bigsize, strtoll(p, NULL, 10));
	}
	if ((p = GDKgetenv("gdk_mmap_minsize"))) {
		GDK_mmap_minsize = MAX(REMAP_PAGE_MAXSIZE, (size_t) strtoll(p, NULL, 10));
	}
	if (GDKgetenv("gdk_mem_pagebits") == NULL) {
		snprintf(buf, sizeof(buf), "%d", GDK_mem_pagebits);
		GDKsetenv("gdk_mem_pagebits", buf);
	}
	if (GDKgetenv("gdk_mem_bigsize") == NULL) {
		snprintf(buf, sizeof(buf), SZFMT, GDK_mem_bigsize);
		GDKsetenv("gdk_mem_bigsize", buf);
	}
	if (GDKgetenv("monet_pid") == NULL) {
		snprintf(buf, sizeof(buf), "%d", (int) getpid());
		GDKsetenv("monet_pid", buf);
	}

	GDKnr_threads = GDKgetenv_int("gdk_nr_threads", 0);
	if (GDKnr_threads == 0)
		GDKnr_threads = MT_check_nr_cores();
#ifdef NATIVE_WIN32
	GDK_mmap_minsize /= (GDKnr_threads ? GDKnr_threads : 1);
#else
	/* WARNING: This unconditionally overwrites above settings, */
	/* incl. setting via MonetDB env. var. "gdk_mmap_minsize" ! */
	GDK_mmap_minsize = MIN( 1<<30 , (GDK_mem_maxsize_max/6) / (GDKnr_threads ? GDKnr_threads : 1) );
	/*    per op:  2 args + 1 res, each with head & tail  =>  (2+1)*2 = 6  ^ */
#endif

	if ((p = mo_find_option(set, setlen, "gdk_vmtrim")) == NULL ||
	    strcasecmp(p, "yes") == 0)
		MT_create_thread(&GDKvmtrim_id, GDKvmtrim, &GDK_mem_maxsize,
				 MT_THR_JOINABLE);

	return 1;
}
示例#10
0
文件: mal.c 项目: jaiminpan/Monetdb
int mal_init(void){
#ifdef NEED_MT_LOCK_INIT
	MT_lock_init( &mal_contextLock, "mal_contextLock");
	MT_lock_init( &mal_namespaceLock, "mal_namespaceLock");
	MT_lock_init( &mal_remoteLock, "mal_remoteLock");
	MT_lock_init( &mal_profileLock, "mal_profileLock");
	MT_lock_init( &mal_copyLock, "mal_copyLock");
	MT_lock_init( &mal_delayLock, "mal_delayLock");
#endif
	/* "/2" is arbitrarily used / chosen, as on systems with
	 * hyper-threading enabled, using all hardware threads rather than
	 * "only" all physical cores does not necessarily yield a linear
	 * performance benefit */
	MT_sema_init( &mal_parallelism, (GDKnr_threads > 1 ? GDKnr_threads/2: 1), "mal_parallelism");

	tstAligned();
	MCinit();
	if (mdbInit()) 
		return -1;
	if (monet_memory == 0)
		monet_memory = MT_npages() * MT_pagesize();
	initNamespace();
	initParser();
	initHeartbeat();
	initResource();
#ifdef HAVE_JSONSTORE
	startHttpdaemon();
#endif
	RECYCLEinit();
	if( malBootstrap() == 0)
		return -1;
	/* set up the profiler if needed, output sent to console */
	/* Use the same shortcuts as stethoscope */
	if ( mal_trace && *mal_trace) {
		char *s;
		setFilterAll();
		openProfilerStream(mal_clients[0].fdout);
		for ( s= mal_trace; *s; s++)
		switch(*s){
		case 'a': activateCounter("aggregate");break;
		case 'b': activateCounter("rbytes");
				activateCounter("wbytes");break;
		case 'c': activateCounter("cpu");break;
		case 'e': activateCounter("event");break;
		case 'f': activateCounter("function");break;
		case 'i': activateCounter("pc");break;
		case 'm': activateCounter("memory");break;
		case 'p': activateCounter("process");break;
		case 'r': activateCounter("reads");break;
		case 's': activateCounter("stmt");break;
		case 't': activateCounter("ticks");break;
		case 'u': activateCounter("user");break;
		case 'w': activateCounter("writes");break;
		case 'y': activateCounter("type");break;
		case 'D': activateCounter("dot");break;
		case 'I': activateCounter("thread");break; 
		case 'T': activateCounter("time");break;
		case 'S': activateCounter("start");
		}
		startProfiling();
	} else mal_trace =0;
	return 0;
}
示例#11
0
int main(int argc, char *argv[])
{
    /*Initialize the catalog locks*/
    MT_lock_init(&dataLock);
    MT_cond_init(&mainCond);
    MT_cond_init(&writeTCond);
    MT_cond_init(&readCond);

    char* file_name_in = 0;
    char* file_name_out = 0;
    char separator_sign = ' ';
    char* parse_string = "xyz";
    char* buffer;
    char printstring[256];
    LASReaderH reader = NULL;
    LASHeaderH header = NULL;
    LASPointH p = NULL;
    FILE** files_out = NULL;
    int len, j;
    int64_t mortonkey = 0;
    unsigned int index = 0;
    int num_files_in = 0, num_files_out = 0, num_files, num_of_entries=0, check = 0, num_read_threads = DEFAULT_NUM_READ_THREADS;
    int i;
    pthread_t *writeThreads = NULL;
    pthread_t *readThreads = NULL;
    struct readThreadArgs *dataRead = NULL;
    boolean input_file = FALSE;
    int64_t global_offset_x = 0;
    int64_t global_offset_y = 0;
    double scale_x;
    double scale_y;


    if (argc == 1) {
        usage();
        exit(0);
    }

    /*Allocate space for input files*/
    files_name_in = (char**) malloc(sizeof(char*)*DEFAULT_NUM_INPUT_FILES);

    for (i = 1; i < argc; i++)
    {
        if (    strcmp(argv[i],"-h") == 0 ||
                strcmp(argv[i],"--help") == 0
           )
        {
            usage();
            exit(0);
        }
        else if (   strcmp(argv[i],"-v") == 0 ||
                strcmp(argv[i],"--verbose") == 0
                )
        {
            verbose = TRUE;
        }
        else if ( strcmp(argv[i],"--num_read_threads") == 0)
        {
            num_read_threads = atoi(argv[++i]);
        }
        else if (   strcmp(argv[i],"-s") == 0 ||
                strcmp(argv[i],"--skip_invalid") == 0
                )
        {
            skip_invalid = TRUE;
        }
        else if (   strcmp(argv[i], "--parse") == 0 ||
                strcmp(argv[i], "-parse") == 0
                )
        {
            i++;
            parse_string = argv[i];
        }
        else if (   strcmp(argv[i], "--moffset") == 0 ||
                strcmp(argv[i], "-moffset") == 0
                )
        {
            i++;
            buffer = strtok (argv[i], ",");
            j = 0;
            while (buffer) {
                if (j == 0) {
                    global_offset_x = S64(buffer);
                }
                else if (j == 1) {
                    global_offset_y = S64(buffer);
                }
                j++;
                buffer = strtok (NULL, ",");
                while (buffer && *buffer == '\040')
                    buffer++;
            }
            if (j != 2){
                fprintf(stderr, "Only two int64_t are required in moffset option!\n");
                exit(1);
            }

        }
        else if (   strcmp(argv[i], "--check") == 0 ||
                strcmp(argv[i], "-check") == 0
                )
        {
            i++;
            check = 1;
            buffer = strtok (argv[i], ",");
            j = 0;
            while (buffer) {
                if (j == 0) {
                    sscanf(buffer, "%lf", &scale_x);
                }
                else if (j == 1) {
                    sscanf(buffer, "%lf", &scale_y);
                }
                j++;
                buffer = strtok (NULL, ",");
                while (buffer && *buffer == '\040')
                    buffer++;
            }
            if (j != 2){
                fprintf(stderr, "Only two doubles are required in moffset option!\n");
                exit(1);
            }
        }
        else if (   strcmp(argv[i],"--input") == 0  ||
                strcmp(argv[i],"-input") == 0   ||
                strcmp(argv[i],"-i") == 0       ||
                strcmp(argv[i],"-in") == 0
                )
        {
            i++;
            files_name_in[num_files_in++] = argv[i];

            if (num_files_in % DEFAULT_NUM_INPUT_FILES)
                files_name_in = (char**) realloc(files_name_in, (num_files_in*2)*sizeof(char*));
        }
        else if (strcmp(argv[i],"--file") == 0  ||
                strcmp(argv[i],"-file") == 0   ||
                strcmp(argv[i],"-f") == 0
                )
        {
            i++;
            int read;
            char line_buffer[BUFSIZ];
            FILE* in = NULL;

            in = fopen(argv[i], "r");
            if (!in) {
                fprintf(stderr, "ERROR: the path for file containing the input files is invalid %s\n", argv[i]);
                exit(1);
            }
            while (fgets(line_buffer, sizeof(line_buffer), in)) {
                line_buffer[strlen(line_buffer)-1]='\0';
                files_name_in[num_files_in++] = strdup(line_buffer);

                if (num_files_in % DEFAULT_NUM_INPUT_FILES)
                    files_name_in = (char**) realloc(files_name_in, (num_files_in*2)*sizeof(char*));
            }
            fclose(in);
            input_file = TRUE;
        }
        else if ((num_files_in != 0) && num_files_out == 0)
        {
            file_name_out = argv[i];
            num_files_out++;
        }
        else
        {
            fprintf(stderr, "ERROR: unknown argument '%s'\n",argv[i]);
            usage();
            exit(1);
        }
    } /* end looping through argc/argv */
    num_of_entries = strlen(parse_string);

    if (num_files_in == 0)
    {
        LASError_Print("No input filename was specified");
        usage();
        exit(1);
    }
    num_files = num_files_in;

    /*Entries metadata*/
    i = 0;
    for (;;)
    {
        switch (parse_string[i])
        {
                /* // the morton code on xy */
            case 'k':
                entries[i] = ENTRY_k;
                entriesType[i] = sizeof(int64_t);
	            /*Changes for Oscar's new Morton code function*/
                //entriesFunc[i] = (void*)morton2D_encode;
                entriesFunc[i] = (void*)morton2D_encodeOscar;
                break;
                /* // the x coordinate  double*/
            case 'x':
                entries[i] = ENTRY_x;
                entriesType[i] = sizeof(double);
                entriesFunc[i] = (void*)LASPoint_GetX;
                break;
                /* // the y coordinate double*/
            case 'y':
                entries[i] = ENTRY_y;
                entriesType[i] = sizeof(double);
                entriesFunc[i] = (void*)LASPoint_GetY;
                break;
                /* // the z coordinate double*/
            case 'z':
                entries[i] = ENTRY_z;
                entriesType[i] = sizeof(double);
                entriesFunc[i] = (void*)LASPoint_GetZ;
                break;
                /* // the X coordinate decimal*/
            case 'X':
                entries[i] = ENTRY_X;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetX;
                break;
                /* // the y coordinate decimal*/
            case 'Y':
                entries[i] = ENTRY_Y;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetY;
                break;
                /* // the z coordinate decimal*/
            case 'Z':
                entries[i] = ENTRY_Z;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetZ;
                break;
                /* // the gps-time */
            case 't':
                entries[i] = ENTRY_t;
                entriesType[i] = sizeof(double);
                entriesFunc[i] = (void*)LASPoint_GetTime;
                break;
                /* // the intensity */
            case 'i':
                entries[i] = ENTRY_i;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetIntensity;
                break;
                /* the scan angle */
            case 'a':
                entries[i] = ENTRY_a;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetScanAngleRank;
                break;
                /* the number of the return */
            case 'r':
                entries[i] = ENTRY_r;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetReturnNumber;
                break;
                /* the classification */
            case 'c':
                entries[i] = ENTRY_c;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetClassification;
                break;
                /* the user data */
            case 'u':
                entries[i] = ENTRY_u;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetUserData;
                break;
                /* the number of returns of given pulse */
            case 'n':
                entries[i] = ENTRY_n;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetNumberOfReturns;
                break;
                /* the red channel color */
            case 'R':
                entries[i] = ENTRY_R;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASColor_GetRed;
                break;
                /* the green channel color */
            case 'G':
                entries[i] = ENTRY_G;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASColor_GetGreen;
                break;
                /* the blue channel color */
            case 'B':
                entries[i] = ENTRY_B;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASColor_GetBlue;
                break;
            case 'M':
                entries[i] = ENTRY_M;
                entriesType[i] = sizeof(unsigned int);
                break;
            case 'p':
                entries[i] = ENTRY_p;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetPointSourceId;
                break;
                /* the edge of flight line flag */
            case 'e':
                entries[i] = ENTRY_e;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetFlightLineEdge;
                break;
                /* the direction of scan flag */
            case 'd':
                entries[i] = ENTRY_d;
                entriesType[i] = sizeof(int);
                entriesFunc[i] = (void*)LASPoint_GetScanDirection;
                break;
        }
        i++;
        if (parse_string[i] == 0)
        {
            break;
        }
    }

    /*Prepare the output files*/
    if (file_name_out == NULL)
    {
        len = (int)strlen(file_name_in);
        file_name_out = LASCopyString(file_name_in);
        if (file_name_out[len-3] == '.' && file_name_out[len-2] == 'g' && file_name_out[len-1] == 'z')
        {
            len = len - 4;
        }
        while (len > 0 && file_name_out[len] != '.')
        {
            len--;
        }
        file_name_out[len] = '\0';
    }
    char *str = malloc(sizeof(char)*(strlen(file_name_out)+12));
    files_out = (FILE**) malloc(sizeof(FILE*)*num_of_entries);
    for (i = 0; i < num_of_entries; i++) {
        sprintf(str, "%s_col_%c.dat", file_name_out, parse_string[i]);
        if(doesFileExist(str)) {
            remove(str);
        }

        files_out[i] = fopen(str, "wb");

        if (files_out[i] == 0) {
            LASError_Print("Could not open file for write");
            usage();
            exit(1);
        }
    }
    free(str);

    /*Initialize structures for the reading threads*/
    //data = (struct writeT**) malloc(num_read_threads*sizeof(struct writeT*)); //Malloc is more efficient than calloc
    data = (struct writeT**) calloc(num_read_threads, sizeof(struct writeT*));

    dataRead = (struct readThreadArgs*) malloc(sizeof(struct readThreadArgs)*num_read_threads);
    /* Launch read Threads */
    stop = 0;
    readThreads = (pthread_t*) malloc(sizeof(pthread_t)*num_read_threads);
    for (i=0; i < num_read_threads; i++) {
        dataRead[i].id = i;
        dataRead[i].num_read_threads = num_read_threads;
        dataRead[i].num_of_entries = num_of_entries;
        dataRead[i].check = check;
        dataRead[i].global_offset_x = global_offset_x;
        dataRead[i].global_offset_y = global_offset_y;
        dataRead[i].scale_x = scale_x;
        dataRead[i].scale_y = scale_y;
        pthread_create(&readThreads[i], NULL, readFile, (void*)dataRead);
    }

    int writeIndex = 0;
    writeThreads = (pthread_t*) malloc(sizeof(pthread_t)*num_of_entries);

    /* Launch Threads */
    struct writeThreadArgs *dataWrite = (struct writeThreadArgs *) malloc(sizeof(struct writeThreadArgs) *num_of_entries);
    for (i = 0; i < num_of_entries; i++) {
        dataWrite[i].id = i;
        dataWrite[i].out = files_out[i];
        pthread_create(&writeThreads[i], NULL, writeFile, (void*)(&dataWrite[i]));
    }
    sleep(1);
    //Do we need to comment this one out!?
    int done = 0;
    while (num_files) {
        /*Obtain lock over data to get the pointer*/
        MT_set_lock(&dataLock);
        dataWriteT = data[writeIndex];
        while (dataWriteT == NULL) {
            /*Sleep and wait for data to be read*/
            MT_cond_wait(&mainCond,&dataLock);
            dataWriteT = data[writeIndex];
        }
        data[writeIndex] = NULL;
        //Release the lock

        /*Tell the write threads there is new data*/
        pthread_cond_broadcast(&writeTCond);

        /*Tell the read threads there is a new buf empty*/
        pthread_cond_broadcast(&readCond);
        MT_unset_lock(&dataLock);

        /*Keep looping*/
        writeIndex++;
        writeIndex = (writeIndex % num_read_threads);

        MT_set_lock(&dataLock);
        while (done == 0) {
            /*Sleep and wait for data to be read*/
            MT_cond_wait(&mainCond,&dataLock);
            done = 1;
            for (i = 0; i < num_of_entries; i++) {
                if (dataWriteT[i].values != NULL) {
                    done = 0;
                    break;
                }
            }
        }
        num_files--;
        if (verbose)
            printf("Files to go %d\n", num_files);
        free(dataWriteT);
        dataWriteT = NULL;
        done = 0;
        MT_unset_lock(&dataLock);
    }

    /*Tell the write threads to exit*/
    MT_set_lock(&dataLock);
    stop = 1;
    pthread_cond_broadcast(&writeTCond);
    MT_unset_lock(&dataLock);

    /* Wait for Threads to Finish */
    for (i=0; i<num_of_entries; i++) {
        pthread_join(writeThreads[i], NULL);
    }
    free(dataWrite);
    free(writeThreads);

    MT_cond_destroy(&readCond);
    MT_cond_destroy(&writeTCond);
    MT_cond_destroy(&mainCond);
    MT_lock_destroy(&dataLock);

    for (i = 0; i < num_of_entries; i++) {
        fflush(files_out[i]);
        if (verbose)
            printf("close file %d\n", i);
        fsync(files_out[i]);
        fclose(files_out[i]);
    }
    free(files_out);
    if (input_file) {
        for (i=0 ; i < num_files_in; i++)
            free(files_name_in[i]);

        free(files_name_in);
    }

    free(dataRead);

    if (readThreads)
        free(readThreads);

    return 0;
}
示例#12
0
/* We create a pool of GDKnr_threads-1 generic workers, that is,
 * workers that will take on jobs from any clients.  In addition, we
 * create a single specific worker per client (i.e. each time we enter
 * here).  This specific worker will only do work for the client for
 * which it was started.  In this way we can guarantee that there will
 * always be progress for the client, even if all other workers are
 * doing something big.
 *
 * When all jobs for a client have been done (there are no more
 * entries for the client in the queue), the specific worker turns
 * itself into a generic worker.  At the same time, we signal that one
 * generic worker should exit and this function returns.  In this way
 * we make sure that there are once again GDKnr_threads-1 generic
 * workers. */
str
runMALdataflow(Client cntxt, MalBlkPtr mb, int startpc, int stoppc, MalStkPtr stk)
{
	DataFlow flow = NULL;
	str msg = MAL_SUCCEED;
	int size;
	int *ret;
	int i;

#ifdef DEBUG_FLOW
	fprintf(stderr, "#runMALdataflow for block %d - %d\n", startpc, stoppc);
	printFunction(GDKstdout, mb, 0, LIST_MAL_STMT | LIST_MAPI);
#endif

	/* in debugging mode we should not start multiple threads */
	if (stk == NULL)
		throw(MAL, "dataflow", "runMALdataflow(): Called with stk == NULL");
	ret = (int*) getArgReference(stk,getInstrPtr(mb,startpc),0);
	*ret = FALSE;
	if (stk->cmd) {
		*ret = TRUE;
		return MAL_SUCCEED;
	}

	assert(stoppc > startpc);

	/* check existence of workers */
	if (todo == NULL) {
		/* create thread pool */
		if (GDKnr_threads <= 1 || DFLOWinitialize() < 0) {
			/* no threads created, run serially */
			*ret = TRUE;
			return MAL_SUCCEED;
		}
		i = THREADS;			/* we didn't create an extra thread */
	}
	assert(todo);
	/* in addition, create one more worker that will only execute
	 * tasks for the current client to compensate for our waiting
	 * until all work is done */
	MT_lock_set(&dataflowLock, "runMALdataflow");
	/* join with already exited threads */
	{
		int joined;
		do {
			joined = 0;
			for (i = 0; i < THREADS; i++) {
				if (workers[i].flag == EXITED) {
					workers[i].flag = JOINING;
					workers[i].cntxt = NULL;
					joined = 1;
					MT_lock_unset(&dataflowLock, "runMALdataflow");
					MT_join_thread(workers[i].id);
					MT_lock_set(&dataflowLock, "runMALdataflow");
					workers[i].flag = IDLE;
				}
			}
		} while (joined);
	}
	for (i = 0; i < THREADS; i++) {
		if (workers[i].flag == IDLE) {
			/* only create specific worker if we are not doing a
			 * recursive call */
			if (stk->calldepth > 1) {
				int j;
				MT_Id pid = MT_getpid();

				/* doing a recursive call: copy specificity from
				 * current worker to new worker */
				workers[i].cntxt = NULL;
				for (j = 0; j < THREADS; j++) {
					if (workers[j].flag == RUNNING && workers[j].id == pid) {
						workers[i].cntxt = workers[j].cntxt;
						break;
					}
				}
			} else {
				/* not doing a recursive call: create specific worker */
				workers[i].cntxt = cntxt;
			}
			workers[i].flag = RUNNING;
			if (MT_create_thread(&workers[i].id, DFLOWworker, (void *) &workers[i], MT_THR_JOINABLE) < 0) {
				/* cannot start new thread, run serially */
				*ret = TRUE;
				workers[i].flag = IDLE;
				MT_lock_unset(&dataflowLock, "runMALdataflow");
				return MAL_SUCCEED;
			}
			break;
		}
	}
	MT_lock_unset(&dataflowLock, "runMALdataflow");
	if (i == THREADS) {
		/* no empty thread slots found, run serially */
		*ret = TRUE;
		return MAL_SUCCEED;
	}

	flow = (DataFlow)GDKzalloc(sizeof(DataFlowRec));
	if (flow == NULL)
		throw(MAL, "dataflow", "runMALdataflow(): Failed to allocate flow");

	flow->cntxt = cntxt;
	flow->mb = mb;
	flow->stk = stk;
	flow->error = 0;

	/* keep real block count, exclude brackets */
	flow->start = startpc + 1;
	flow->stop = stoppc;

	MT_lock_init(&flow->flowlock, "flow->flowlock");
	flow->done = q_create(stoppc- startpc+1, "flow->done");
	if (flow->done == NULL) {
		MT_lock_destroy(&flow->flowlock);
		GDKfree(flow);
		throw(MAL, "dataflow", "runMALdataflow(): Failed to create flow->done queue");
	}

	flow->status = (FlowEvent)GDKzalloc((stoppc - startpc + 1) * sizeof(FlowEventRec));
	if (flow->status == NULL) {
		q_destroy(flow->done);
		MT_lock_destroy(&flow->flowlock);
		GDKfree(flow);
		throw(MAL, "dataflow", "runMALdataflow(): Failed to allocate flow->status");
	}
	size = DFLOWgraphSize(mb, startpc, stoppc);
	size += stoppc - startpc;
	flow->nodes = (int*)GDKzalloc(sizeof(int) * size);
	if (flow->nodes == NULL) {
		GDKfree(flow->status);
		q_destroy(flow->done);
		MT_lock_destroy(&flow->flowlock);
		GDKfree(flow);
		throw(MAL, "dataflow", "runMALdataflow(): Failed to allocate flow->nodes");
	}
	flow->edges = (int*)GDKzalloc(sizeof(int) * size);
	if (flow->edges == NULL) {
		GDKfree(flow->nodes);
		GDKfree(flow->status);
		q_destroy(flow->done);
		MT_lock_destroy(&flow->flowlock);
		GDKfree(flow);
		throw(MAL, "dataflow", "runMALdataflow(): Failed to allocate flow->edges");
	}
	msg = DFLOWinitBlk(flow, mb, size);

	if (msg == MAL_SUCCEED)
		msg = DFLOWscheduler(flow, &workers[i]);

	GDKfree(flow->status);
	GDKfree(flow->edges);
	GDKfree(flow->nodes);
	q_destroy(flow->done);
	MT_lock_destroy(&flow->flowlock);
	GDKfree(flow);

	if (i != THREADS) {
		/* we created one worker, now tell one worker to exit again */
		MT_lock_set(&todo->l, "runMALdataflow");
		todo->exitcount++;
		MT_lock_unset(&todo->l, "runMALdataflow");
		MT_sema_up(&todo->s, "runMALdataflow");
	}
	return msg;
}