src/common/unix.h

   1 /*
   2  * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License, version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program; if not, write to the Free Software Foundation, Inc., 51
  15  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _LTTCOMM_UNIX_H
  19 #define _LTTCOMM_UNIX_H
  20
  21 #include <limits.h>
  22 #include <sys/un.h>
  23
  24 #include <common/compat/socket.h>
  25 #include <common/macros.h>
  26
  27 LTTNG_HIDDEN
  28 int lttcomm_create_unix_sock(const char *pathname);
  29 LTTNG_HIDDEN
  30 int lttcomm_create_anon_unix_socketpair(int *fds);
  31 LTTNG_HIDDEN
  32 int lttcomm_connect_unix_sock(const char *pathname);
  33 LTTNG_HIDDEN
  34 int lttcomm_accept_unix_sock(int sock);
  35 LTTNG_HIDDEN
  36 int lttcomm_listen_unix_sock(int sock);
  37 LTTNG_HIDDEN
  38 int lttcomm_close_unix_sock(int sock);
  39
  40 /* Send a message accompanied by fd(s) over a unix socket. */
  41 LTTNG_HIDDEN
  42 ssize_t lttcomm_send_fds_unix_sock(int sock, const int *fds, size_t nb_fd);
  43 /* Recv a message accompanied by fd(s) from a unix socket */
  44 LTTNG_HIDDEN
  45 ssize_t lttcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd);
  46
  47 LTTNG_HIDDEN
  48 ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len);
  49 LTTNG_HIDDEN
  50 ssize_t lttcomm_recv_unix_sock_non_block(int sock, void *buf, size_t len);
  51 LTTNG_HIDDEN
  52 ssize_t lttcomm_send_unix_sock(int sock, const void *buf, size_t len);
  53 LTTNG_HIDDEN
  54 ssize_t lttcomm_send_unix_sock_non_block(int sock, const void *buf, size_t len);
  55
  56 LTTNG_HIDDEN
  57 ssize_t lttcomm_send_creds_unix_sock(int sock, void *buf, size_t len);
  58 LTTNG_HIDDEN
  59 ssize_t lttcomm_recv_creds_unix_sock(int sock, void *buf, size_t len,
  60                 lttng_sock_cred *creds);
  61
  62 LTTNG_HIDDEN
  63 int lttcomm_setsockopt_creds_unix_sock(int sock);
  64
  65 #endif  /* _LTTCOMM_UNIX_H */