libipc/create.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <ipc.h>
  21 #include <string.h>
  22 #include <unistd.h>
  23 #include <sys/un.h>
  24 #include <sys/socket.h>
  25
  26 int ipc_create (const char *queue, unsigned flags)
  27 {
  28         int fd;
  29         int l;
  30
  31         struct sockaddr_un local;
  32
  33         if ((fd = socket (AF_UNIX, SOCK_STREAM, flags)) == -1)
  34                 return -1;
  35
  36         local.sun_family = AF_UNIX;
  37         strcpy (local.sun_path, queue);
  38
  39         unlink (local.sun_path);
  40
  41         l = strlen (local.sun_path) + sizeof (local.sun_family);
  42
  43         if (bind (fd, (struct sockaddr *) &local, l) == -1)
  44                 return -2;
  45
  46         if (listen (fd, 10) == -1)
  47                 return -3;
  48
  49         return fd;
  50 }