none/tests/socket_close.c

   1 #define _GNU_SOURCE
   2 #include <unistd.h>
   3 #include <stdio.h>
   4 #include <sys/socket.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <sys/un.h>
   8 #include "fdleak.h"
   9
  10 const char *SPATH = "/tmp/vgtest-foofrob";
  11 int socket_fd;
  12
  13 void open_socket()
  14 {
  15   unlink (SPATH); /* Make sure socket path doesn't exist yet.  */
  16
  17   socket_fd = socket(AF_UNIX, SOCK_STREAM, 0);
  18   fprintf (stderr, "Open socket %d\n", socket_fd);
  19   struct sockaddr_un  my_addr;
  20
  21   memset(&my_addr, 0, sizeof(my_addr));
  22   my_addr.sun_family = AF_UNIX;
  23   strncpy(my_addr.sun_path, SPATH, sizeof(my_addr.sun_path) - 1);
  24   bind(socket_fd, (struct sockaddr *) &my_addr, sizeof(my_addr));
  25 }
  26
  27 int main ()
  28 {
  29   CLOSE_INHERITED_FDS;
  30
  31   open_socket();
  32
  33   if (socket_fd != -1)
  34    {
  35       fprintf(stderr, "close socket_fd %d\n", socket_fd);
  36       close (socket_fd);
  37    }
  38
  39   fprintf (stderr, "and close the socket again %d\n", socket_fd);
  40   close (socket_fd);
  41
  42   return 0;
  43 }
  44