1 /* Test of passing file descriptors.
2 Copyright (C) 2011-2014 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 #include <sys/types.h>
28 #include <sys/socket.h>
47 /* Avoid hanging on failure. */
49 signal (SIGALRM, SIG_DFL);
53 fdnull = open ("/dev/null", O_RDWR);
56 perror ("Could not open /dev/null");
60 ret = socketpair (AF_UNIX, SOCK_STREAM, 0, pair);
63 perror ("socket pair failed");
75 ret = sendfd (pair[1], fdnull);
86 ASSERT (close (pair[1]) == 0);
87 fd = recvfd (pair[0], 0);
93 ret = waitpid (pid, &status, 0);
101 if (!WIFEXITED (status))
103 fprintf (stderr, "Child does not normally exit\n");
106 ret = WEXITSTATUS (status);
109 fprintf (stderr, "Send fd fail\n");
113 /* try to stat new fd */
114 ret = fstat (fd, &st);
121 /* Check behavior when sender no longer around */
123 fd = recvfd (pair[0], 0);
125 ASSERT (errno == ENOTCONN);
131 ASSERT(sendfd (0, 0) == -1);
132 ASSERT(errno == ENOSYS);
135 ASSERT(recvfd (0, 0) == -1);
136 ASSERT(errno == ENOSYS);
138 fputs ("skipping test: socketpair not supported on this system\n",