src/common/sessiond-comm/payload.c

   1 /*
   2  * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #include "payload.h"
   9
  10 LTTNG_HIDDEN
  11 void lttng_payload_init(struct lttng_payload *payload)
  12 {
  13         assert(payload);
  14         lttng_dynamic_buffer_init(&payload->buffer);
  15         lttng_dynamic_array_init(&payload->_fds, sizeof(int), NULL);
  16 }
  17
  18 LTTNG_HIDDEN
  19 void lttng_payload_reset(struct lttng_payload *payload)
  20 {
  21         if (!payload) {
  22                 return;
  23         }
  24
  25         lttng_dynamic_buffer_reset(&payload->buffer);
  26         lttng_dynamic_array_reset(&payload->_fds);
  27 }
  28
  29 LTTNG_HIDDEN
  30 int lttng_payload_push_fd(struct lttng_payload *payload, int fd)
  31 {
  32         int ret;
  33
  34         if (!payload) {
  35                 ret = -1;
  36                 goto end;
  37         }
  38
  39         ret = lttng_dynamic_array_add_element(&payload->_fds, &fd);
  40 end:
  41         return ret;
  42 }