ilustrating shm problem in aerospike-client-c

info.c

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>

#include <aerospike/aerospike.h>
#include <aerospike/aerospike_info.h>

int
main(int argc, char* argv[])
{
	aerospike as;
	
	as_config cfg;
	as_config_init(&cfg);
	cfg.policies.timeout = 3000;
	cfg.policies.retry = 3;
	cfg.use_shm = true;
	cfg.shm_takeover_threshold_sec=1;

	// set hosts from argv
	for (int i = 1; i < argc; ++i)
        as_config_add_host(&cfg, argv[i], 3000);

	aerospike_init(&as, &cfg);

	as_error err;

	if (aerospike_connect(&as, &err) != AEROSPIKE_OK) {
		printf("aerospike_connect() returned %d - %s\n", err.code, err.message);
		aerospike_destroy(&as);
		exit(-1);
	}

	for(int64_t i = 0; i < 5; ++i) {
		char * res = NULL;
		if (aerospike_info_any(&as, &err, NULL, "service", &res) != AEROSPIKE_OK) {
		    printf("aerospike_info_any returned %d - %s\n", err.code, err.message);
		} else {
		    printf("aerospike_info_any response ok: %s\n", res);
		    free(res);
		    res = NULL;
		}
		sleep(1);
	}

    aerospike_close(&as, &err);
	aerospike_destroy(&as);
	return 0;
}

sigsegv.c

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>

#include <aerospike/aerospike.h>
#include <aerospike/aerospike_info.h>

int
main(int argc, char* argv[])
{
	aerospike as;
	
	as_config cfg;
	as_config_init(&cfg);
	cfg.policies.timeout = 3000;
	cfg.policies.retry = 3;
	cfg.use_shm = true;
	cfg.shm_takeover_threshold_sec=1;

	// set hosts from argv
	for (int i = 1; i < argc; ++i)
        as_config_add_host(&cfg, argv[i], 3000);

	aerospike_init(&as, &cfg);

	as_error err;

	if (aerospike_connect(&as, &err) != AEROSPIKE_OK) {
		printf("aerospike_connect() returned %d - %s\n", err.code, err.message);
		aerospike_destroy(&as);
		exit(-1);
	}

	//SIGSEGV
	int *i = 0;
	++*i;

	return 0;
}