src/common/unix.h

   1 /*
   2  * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-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 LTTNG_HIDDEN
  20 int lttcomm_create_unix_sock(const char *pathname);
  21 LTTNG_HIDDEN
  22 int lttcomm_create_anon_unix_socketpair(int *fds);
  23 LTTNG_HIDDEN
  24 int lttcomm_connect_unix_sock(const char *pathname);
  25 LTTNG_HIDDEN
  26 int lttcomm_accept_unix_sock(int sock);
  27 LTTNG_HIDDEN
  28 int lttcomm_listen_unix_sock(int sock);
  29 LTTNG_HIDDEN
  30 int lttcomm_close_unix_sock(int sock);
  31
  32 /* Send a message accompanied by fd(s) over a unix socket. */
  33 LTTNG_HIDDEN
  34 ssize_t lttcomm_send_fds_unix_sock(int sock, const int *fds, size_t nb_fd);
  35 LTTNG_HIDDEN
  36 ssize_t lttcomm_send_payload_view_fds_unix_sock(int sock,
  37                 struct lttng_payload_view *view);
  38 LTTNG_HIDDEN
  39 ssize_t lttcomm_send_fds_unix_sock_non_block(
  40                 int sock, const int *fds, size_t nb_fd);
  41 LTTNG_HIDDEN
  42 ssize_t lttcomm_send_payload_view_fds_unix_sock_non_block(int sock,
  43                 struct lttng_payload_view *view);
  44
  45 /* Recv a message accompanied by fd(s) from a unix socket */
  46 LTTNG_HIDDEN
  47 ssize_t lttcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd);
  48 LTTNG_HIDDEN
  49 ssize_t lttcomm_recv_payload_fds_unix_sock(int sock, size_t nb_fd,
  50                 struct lttng_payload *payload);
  51 LTTNG_HIDDEN
  52 ssize_t lttcomm_recv_fds_unix_sock_non_block(int sock, int *fds, size_t nb_fd);
  53 LTTNG_HIDDEN
  54 ssize_t lttcomm_recv_payload_fds_unix_sock_non_block(int sock, size_t nb_fd,
  55                 struct lttng_payload *payload);
  56
  57 LTTNG_HIDDEN
  58 ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len);
  59 LTTNG_HIDDEN
  60 ssize_t lttcomm_recv_unix_sock_non_block(int sock, void *buf, size_t len);
  61 LTTNG_HIDDEN
  62 ssize_t lttcomm_send_unix_sock(int sock, const void *buf, size_t len);
  63 LTTNG_HIDDEN
  64 ssize_t lttcomm_send_unix_sock_non_block(int sock, const void *buf, size_t len);
  65
  66 LTTNG_HIDDEN
  67 ssize_t lttcomm_send_creds_unix_sock(int sock, const void *buf, size_t len);
  68 LTTNG_HIDDEN
  69 ssize_t lttcomm_recv_creds_unix_sock(int sock, void *buf, size_t len,
  70                 lttng_sock_cred *creds);
  71
  72 LTTNG_HIDDEN
  73 int lttcomm_setsockopt_creds_unix_sock(int sock);
  74
  75 #endif  /* _LTTCOMM_UNIX_H */