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/* vi: set sw=4 ts=4: */
/*
* signal testing function for uClibc
*
* Copyright (C) 2000 by Lineo, inc. and Erik Andersen
* Copyright (C) 2000-2006 by Erik Andersen <andersen@uclibc.org>
* Written by Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <fcntl.h>
#include <signal.h>
/* -------------------------------------------------*/
/* This stuff is common to all the testing routines */
/* -------------------------------------------------*/
const char *it = "<UNSET>"; /* Routine name for message routines. */
size_t errors = 0;
void check(int thing, int number)
{
if (!thing) {
printf("%s: flunked test %d\n", it, number);
++errors;
}
}
void equal(const char *a, const char *b, int number)
{
check(a != NULL && b != NULL && (strcmp(a, b) == 0), number);
}
/* -------------------------------------------------*/
/* Let the tests begin.... */
/* -------------------------------------------------*/
int global_int = 0;
void set_global_int_to_one(int signum)
{
printf ("Received signal %d (%s).\n", signum, strsignal(signum));
global_int = 1;
return;
}
void signal_test_1(void)
{
global_int = 0;
it = "global variable set from signal handler";
if (signal(SIGUSR1, set_global_int_to_one) == SIG_ERR) {
perror("signal(SIGUSR1) failed");
exit(-1);
}
raise(SIGUSR1);
/* This should already have jumped to the signal handler */
check((global_int == 1), 1);
global_int = 0;
if (signal(SIGUSR1, SIG_IGN) == SIG_ERR) {
perror("signal(SIGUSR1) failed");
exit(-1);
}
raise(SIGUSR1);
/* This should not go to the signal handler this time since we */
check((global_int == 0), 1);
}
int main(void)
{
int status;
signal_test_1();
if (errors == 0) {
status = EXIT_SUCCESS;
printf("No errors.\n");
} else {
status = EXIT_FAILURE;
printf("%lu errors.\n", (unsigned long)errors);
}
exit(status);
}
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