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/*
* SPDX-License-Identifier: LGPL-2.1-only
*
* Copyright (C) 2009 Pierre-Marc Fournier
* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
/*
* Work-around inet.h missing struct mmsghdr forward declaration, with
* triggers a warning when system files warnings are enabled.
*/
struct mmsghdr;
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdbool.h>
#define TRACEPOINT_DEFINE
#include "ust_tests_hello.h"
static
void inthandler(int sig __attribute__((unused)))
{
printf("in SIGUSR1 handler\n");
tracepoint(ust_tests_hello, tptest_sighandler);
}
static
int init_int_handler(void)
{
int result;
struct sigaction act;
memset(&act, 0, sizeof(act));
result = sigemptyset(&act.sa_mask);
if (result == -1) {
perror("sigemptyset");
return -1;
}
act.sa_handler = inthandler;
act.sa_flags = SA_RESTART;
/* Only defer ourselves. Also, try to restart interrupted
* syscalls to disturb the traced program as little as possible.
*/
result = sigaction(SIGUSR1, &act, NULL);
if (result == -1) {
perror("sigaction");
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
int i, netint;
long values[] = { 1, 2, 3 };
char text[10] = "test";
double dbl = 2.0;
float flt = 2222.0;
int delay = 0;
bool mybool = 123; /* should print "1" */
init_int_handler();
if (argc == 2)
delay = atoi(argv[1]);
fprintf(stderr, "Hello, World!\n");
sleep(delay);
fprintf(stderr, "Tracing... ");
for (i = 0; i < 1000000; i++) {
netint = htonl(i);
tracepoint(ust_tests_hello, tptest, i, netint, values,
text, strlen(text), dbl, flt, mybool);
//usleep(100000);
}
fprintf(stderr, " done.\n");
return 0;
}
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