src/common/unix.h

   1 /*
   2  * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef _LTTCOMM_UNIX_H
   9 #define _LTTCOMM_UNIX_H
  10
  11 #include <limits.h>
  12 #include <sys/un.h>
  13
  14 #include <common/compat/socket.h>
  15 #include <common/macros.h>
  16 #include <common/payload.h>
  17 #include <common/payload-view.h>
  18
  19 int lttcomm_create_unix_sock(const char *pathname);
  20 int lttcomm_create_anon_unix_socketpair(int *fds);
  21 int lttcomm_connect_unix_sock(const char *pathname);
  22 int lttcomm_accept_unix_sock(int sock);
  23 int lttcomm_listen_unix_sock(int sock);
  24 int lttcomm_close_unix_sock(int sock);
  25
  26 /* Send a message accompanied by fd(s) over a unix socket. */
  27 ssize_t lttcomm_send_fds_unix_sock(int sock, const int *fds, size_t nb_fd);
  28 ssize_t lttcomm_send_payload_view_fds_unix_sock(int sock,
  29                 struct lttng_payload_view *view);
  30 ssize_t lttcomm_send_fds_unix_sock_non_block(
  31                 int sock, const int *fds, size_t nb_fd);
  32 ssize_t lttcomm_send_payload_view_fds_unix_sock_non_block(int sock,
  33                 struct lttng_payload_view *view);
  34
  35 /* Recv a message accompanied by fd(s) from a unix socket */
  36 ssize_t lttcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd);
  37 ssize_t lttcomm_recv_payload_fds_unix_sock(int sock, size_t nb_fd,
  38                 struct lttng_payload *payload);
  39 ssize_t lttcomm_recv_fds_unix_sock_non_block(int sock, int *fds, size_t nb_fd);
  40 ssize_t lttcomm_recv_payload_fds_unix_sock_non_block(int sock, size_t nb_fd,
  41                 struct lttng_payload *payload);
  42
  43 ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len);
  44 ssize_t lttcomm_recv_unix_sock_non_block(int sock, void *buf, size_t len);
  45 ssize_t lttcomm_send_unix_sock(int sock, const void *buf, size_t len);
  46 ssize_t lttcomm_send_unix_sock_non_block(int sock, const void *buf, size_t len);
  47
  48 ssize_t lttcomm_send_creds_unix_sock(int sock, const void *buf, size_t len);
  49 ssize_t lttcomm_recv_creds_unix_sock(int sock, void *buf, size_t len,
  50                 lttng_sock_cred *creds);
  51
  52 int lttcomm_setsockopt_creds_unix_sock(int sock);
  53
  54 #endif  /* _LTTCOMM_UNIX_H */