test/inet/tst-sock-nonblock.c

   1 /* vi: set sw=4 ts=4 sts=4: */
   2 /*
   3  * Nonblocking socket test for uClibc
   4  * Copyright (C) 2012 by Kevin Cernekee <cernekee@gmail.com>
   5  *
   6  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   7  */
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13 #include <errno.h>
  14 #include <error.h>
  15 #include <sys/types.h>
  16 #include <sys/socket.h>
  17 #include <sys/un.h>
  18 #include <sys/fcntl.h>
  19
  20 static int
  21 do_test(void)
  22 {
  23         int fd, ret, result = 0;
  24         struct sockaddr_un sa;
  25         char buf;
  26
  27         fd = socket(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0);
  28         if (fd < 0) {
  29                 perror("socket()");
  30                 result = 1;
  31         }
  32
  33         memset(&sa, 0, sizeof(sa));
  34         sa.sun_family = AF_UNIX;
  35         strcpy(sa.sun_path, "socktest");
  36         unlink("socktest");
  37         if (bind(fd, (const struct sockaddr *)&sa, sizeof(sa)) < 0) {
  38                 perror("bind()");
  39                 result = 1;
  40         }
  41
  42         ret = read(fd, &buf, sizeof(buf));
  43         if (ret != -1 || errno != EAGAIN) {
  44                 error(0, 0, "Nonblocking read returned %d", ret);
  45                 result = 1;
  46         }
  47
  48         return result;
  49 }
  50
  51 #define TIMEOUT 5
  52 #define TEST_FUNCTION do_test ()
  53 #include "../test-skeleton.c"