genode/repos/libports/src/test/libc_counter/source/main.cc
2017-02-28 12:59:29 +01:00

42 lines
877 B
C++

/*
* \brief LibC counter test - source
* \author Christian Helmuth
* \date 2017-01-31
*/
/*
* Copyright (C) 2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* libc includes */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
enum { MAX_COUNT = 10 };
int main(int argc, char **argv)
{
fprintf(stderr, "--- counter source started ---\n");
/* idle some time, so the sink has a chance to block ;-) */
sleep(2);
static char buf[32];
/* stdin/stdout are connected to the source */
for (unsigned i = 0; i < MAX_COUNT; ++i) {
int nbytes = snprintf(buf, sizeof(buf), "%u.", i);
nbytes = write(1, buf, nbytes);
fprintf(stderr, "nbytes=%d\n", nbytes);
sleep(1);
}
fprintf(stderr, "--- counter source terminates ---\n");
}