mirror of https://github.com/ecmwf/eccodes.git
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* Copyright 2005-2018 ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <pthread.h>
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#include "eccodes.h"
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#define NUM_THREADS 4
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static void* process_grib(void* threadID)
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{
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const long tid = (long)threadID;
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size_t str_len = 20;
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long indicatorOfUnitOfTimeRange = 1, step = 0;
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char mystring[100];
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double* values = NULL;
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size_t values_len = 0;
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double min=0,max=0;
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double pv[4]={1,2,3,4};
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const size_t pvsize=4;
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codes_handle* h = codes_grib_handle_new_from_samples(0, "regular_ll_pl_grib2");
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assert(h);
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printf("Thread %ld running\n", tid);
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CODES_CHECK(codes_set_long(h,"indicatorOfUnitOfTimeRange", indicatorOfUnitOfTimeRange),0);
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CODES_CHECK(codes_set_string(h,"indicatorOfUnitOfTimeRange", "s", &str_len),0);
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CODES_CHECK(codes_set_string(h,"stepUnits", "s", &str_len),0);
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CODES_CHECK(codes_set_long(h, "endStep", 86400), 0);
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CODES_CHECK(codes_set_long(h,"centre", 80),0);
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CODES_CHECK(codes_get_long(h,"endStep", &step),0);
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CODES_CHECK(codes_get_string(h, "indicatorOfUnitOfTimeRange", mystring, &str_len),0);
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CODES_CHECK(codes_set_long(h,"PVPresent", 1),0);
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CODES_CHECK(codes_set_double_array(h, "pv", pv, pvsize),0);
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CODES_CHECK(codes_get_size(h,"values",&values_len),0);
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values = (double*)malloc(values_len*sizeof(double));
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CODES_CHECK(codes_get_double_array(h, "values", values, &values_len),0);
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free(values);
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CODES_CHECK(codes_get_double(h, "min", &min),0);
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CODES_CHECK(codes_get_double(h, "max", &max),0);
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codes_handle_delete(h);
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pthread_exit(NULL);
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}
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int main(int argc, char** argv)
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{
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pthread_t threads[NUM_THREADS];
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int error = 0;
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long i = 0;
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for (i=0; i<NUM_THREADS; ++i) {
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printf("Creating thread %ld\n", i);
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error = pthread_create(&threads[i], NULL, process_grib, (void *)i);
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if (error) {
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return 1;
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}
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}
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for (i=0; i<NUM_THREADS; ++i) {
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pthread_join(threads[i], NULL);
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}
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return 0;
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}
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