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/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include "requires.h"
int
main (int argc, char *argv[])
{
char *param;
int fd[2];
pid_t pid;
#ifdef WIN32
skip_because ("test skipped on Windows: no pipe(2)");
#endif
#ifdef __APPLE__
/* XXX Fix this. */
skip_because ("test skipped on macOS because the test hangs");
#endif
if (pipe (fd) == -1) {
perror ("pipe");
exit (EXIT_FAILURE);
}
if (asprintf (¶m, "exit-when-pipe-closed=%d", fd[0]) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
/* Run nbdkit. */
pid = fork ();
if (pid == -1) {
perror ("fork");
exit (EXIT_FAILURE);
}
if (pid == 0) { /* Child - run nbdkit. */
/* Close the write side of the pipe. */
close (fd[1]);
/* Run nbdkit. */
execlp ("nbdkit", "nbdkit", "-v", "--filter=exitwhen",
"null", "1M", param, "exit-when-poll=1",
NULL);
perror ("execvp");
_exit (EXIT_FAILURE);
}
free (param);
/* Close the read side of the pipe (this does NOT cause nbdkit to exit). */
close (fd[0]);
/* Wait a bit. */
sleep (2);
/* nbdkit should still be running. */
if (kill (pid, 0) != 0) {
fprintf (stderr, "FAIL: %s: nbdkit exited before pipe was closed\n",
argv[0]);
exit (EXIT_FAILURE);
}
/* The test here is simply that nbdkit exits because we exit and our
* side of the pipe is closed.
*/
exit (EXIT_SUCCESS);
}
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