1 // Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <fcntl.h>
6 #include <stdlib.h>
7 #include <unistd.h>
8 #include <asm/unistd.h>
9
10 #define SIZE 1024
11
main(int argc,char ** argv)12 int main(int argc, char **argv) {
13 char buf[SIZE];
14 int fd_z = syscall(__NR_open, "/dev/zero", O_RDONLY);
15 int fd_n = syscall(__NR_open, "/dev/null", O_RDONLY);
16 int nr = syscall(__NR_read, fd_z, buf, SIZE);
17 int nw = syscall(__NR_write, fd_n, buf, SIZE);
18 syscall(__NR_close, fd_z);
19 syscall(__NR_close, fd_n);
20 syscall(__NR_exit, 0);
21 }
22