projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| d6e69534 | 1 | /* |
| 0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
| 3 | * | |
| d6e69534 PP |
4 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| 5 | * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
| d6e69534 PP |
6 | */ |
| 7 | ||
| 0235b0db MJ |
8 | #ifndef BABELTRACE_GRAPH_MESSAGE_MESSAGE_INTERNAL_H |
| 9 | #define BABELTRACE_GRAPH_MESSAGE_MESSAGE_INTERNAL_H | |
| 10 | ||
| 870631a2 PP |
11 | /* Protection: this file uses BT_LIB_LOG*() macros directly */ |
| 12 | #ifndef BT_LIB_LOG_SUPPORTED | |
| 13 | # error Please include "lib/logging.h" before including this file. | |
| 14 | #endif | |
| 15 | ||
| 578e048b MJ |
16 | #include "lib/object.h" |
| 17 | #include "common/assert.h" | |
| 3fadfbc0 | 18 | #include <babeltrace2/graph/graph.h> |
| 43c59509 | 19 | #include <babeltrace2/graph/message.h> |
| 3fadfbc0 | 20 | #include <babeltrace2/trace-ir/stream.h> |
| 578e048b | 21 | #include "lib/object-pool.h" |
| 3fadfbc0 | 22 | #include <babeltrace2/types.h> |
| d6e69534 | 23 | |
| f137d351 PP |
24 | /* Protection: this file uses BT_LIB_LOG*() macros directly */ |
| 25 | #ifndef BT_LIB_LOG_SUPPORTED | |
| 26 | # error Please include "lib/logging.h" before including this file. | |
| 27 | #endif | |
| 28 | ||
| d6e69534 PP |
29 | typedef struct bt_stream *(*get_stream_func)( |
| 30 | struct bt_message *message); | |
| 31 | ||
| 32 | struct bt_message { | |
| 33 | struct bt_object base; | |
| 34 | enum bt_message_type type; | |
| d6e69534 PP |
35 | bt_bool frozen; |
| 36 | ||
| 37 | /* Owned by this; keeps the graph alive while the msg. is alive */ | |
| 38 | struct bt_graph *graph; | |
| 39 | }; | |
| 40 | ||
| d6e69534 PP |
41 | void bt_message_init(struct bt_message *message, |
| 42 | enum bt_message_type type, | |
| 43 | bt_object_release_func release, | |
| 44 | struct bt_graph *graph); | |
| 45 | ||
| 46 | static inline | |
| 47 | void bt_message_reset(struct bt_message *message) | |
| 48 | { | |
| 98b15851 | 49 | BT_ASSERT_DBG(message); |
| d6e69534 PP |
50 | |
| 51 | #ifdef BT_DEV_MODE | |
| 52 | message->frozen = BT_FALSE; | |
| d6e69534 PP |
53 | #endif |
| 54 | } | |
| 55 | ||
| 56 | static inline | |
| 57 | struct bt_message *bt_message_create_from_pool( | |
| 58 | struct bt_object_pool *pool, struct bt_graph *graph) | |
| 59 | { | |
| 60 | struct bt_message *msg = bt_object_pool_create_object(pool); | |
| 61 | ||
| 91d81473 | 62 | if (G_UNLIKELY(!msg)) { |
| 870631a2 PP |
63 | BT_LIB_LOGE_APPEND_CAUSE( |
| 64 | "Cannot allocate one message from message pool: " | |
| d6e69534 | 65 | "%![pool-]+o, %![graph-]+g", pool, graph); |
| d6e69534 PP |
66 | goto error; |
| 67 | } | |
| 68 | ||
| 91d81473 | 69 | if (G_LIKELY(!msg->graph)) { |
| d6e69534 PP |
70 | msg->graph = graph; |
| 71 | } | |
| 72 | ||
| 73 | goto end; | |
| 74 | ||
| 75 | error: | |
| 76 | BT_ASSERT(!msg); | |
| 77 | ||
| 78 | end: | |
| 79 | return msg; | |
| 80 | } | |
| 81 | ||
| 82 | static inline void _bt_message_freeze(struct bt_message *message) | |
| 83 | { | |
| 84 | message->frozen = BT_TRUE; | |
| 85 | } | |
| 86 | ||
| d6e69534 PP |
87 | void bt_message_unlink_graph(struct bt_message *msg); |
| 88 | ||
| 89 | #ifdef BT_DEV_MODE | |
| 90 | # define bt_message_freeze _bt_message_freeze | |
| 91 | #else | |
| 92 | # define bt_message_freeze(_x) | |
| 93 | #endif /* BT_DEV_MODE */ | |
| 94 | ||
| d6e69534 | 95 | #endif /* BABELTRACE_GRAPH_MESSAGE_MESSAGE_INTERNAL_H */ |