odp_hello.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2016-2018 Linaro Limited
 */
 
#include <stdio.h>
#include <string.h>
 
#include <odp_api.h>
 
typedef struct {
    int num;
} options_t;
 
static int parse_args(int argc, char *argv[], options_t *opt)
{
    static const char * const args[] = {"-n"};
    int i, tmp;
 
    for (i = 1; i < argc; i++) {
        if ((strcmp(argv[i], args[0]) == 0) && argv[i + 1] &&
            (sscanf(argv[i + 1], "%i", &tmp) == 1)) {
            opt->num = tmp;
            i++;
        } else {
            printf("\nUsage:\n"
                   "  [%s  Number of iterations]\n\n",
                   args[0]);
            return -1;
        }
    }
 
    return 0;
}
 
int main(int argc, char *argv[])
{
    odp_instance_t inst;
    options_t opt;
    int i;
 
    memset(&opt, 0, sizeof(opt));
    opt.num = 1;
 
    if (parse_args(argc, argv, &opt))
        return -1;
 
    if (odp_init_global(&inst, NULL, NULL)) {
        printf("Global init failed.\n");
        return -1;
    }
 
    if (odp_init_local(inst, ODP_THREAD_CONTROL)) {
        printf("Local init failed.\n");
        return -1;
    }
 
    for (i = 0; i < opt.num; i++) {
        printf("Hello world from CPU %i!\n", odp_cpu_id());
        odp_time_wait_ns(ODP_TIME_SEC_IN_NS);
    }
 
    if (odp_term_local()) {
        printf("Local term failed.\n");
        return -1;
    }
 
    if (odp_term_global(inst)) {
        printf("Global term failed.\n");
        return -1;
    }
 
    return 0;
}