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/*
* Copyright 2015 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <assert.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
int main() {
int fd, rtn;
// We first make sure the file doesn't currently exist.
// We then write a file, call fsync, and close the file,
// to make sure synchronous calls to resume does not throw.
struct stat st;
// a file whose contents are just 'az'
rtn = stat("/wakaka.txt", &st);
assert(rtn == -1 && errno == ENOENT);
fd = open("/wakaka.txt", O_RDWR | O_CREAT, 0666);
assert(fd >= 0);
rtn = write(fd, "az", 2);
assert(rtn == 2);
rtn = fsync(fd);
assert(rtn == 0);
rtn = close(fd);
assert(rtn == 0);
return 0;
}
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