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Namespace 'struct channel' under 'lttng_ust_lib_ring_buffer_'
[lttng-ust.git] / libringbuffer / ring_buffer_frontend.c
diff --git a/libringbuffer/ring_buffer_frontend.c b/libringbuffer/ring_buffer_frontend.c
index 3b338fc33b98041bf4ef39bf0c1f0293e1fd03e8..bc6801005b423af7b01015f94fb6fd72900700d2 100644 (file)
--- a/libringbuffer/ring_buffer_frontend.c
+++ b/libringbuffer/ring_buffer_frontend.c
@@ -113,7 +113,7 @@ DEFINE_URCU_TLS(unsigned int, lib_ring_buffer_nesting);
 static pthread_mutex_t wakeup_fd_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 static
-void lib_ring_buffer_print_errors(struct channel *chan,
+void lib_ring_buffer_print_errors(struct lttng_ust_lib_ring_buffer_channel *chan,
                                struct lttng_ust_lib_ring_buffer *buf, int cpu,
                                struct lttng_ust_shm_handle *handle);
 
@@ -145,7 +145,7 @@ void lttng_ust_ringbuffer_set_allow_blocking(void)
 }
 
 /* Get blocking timeout, in ms */
-static int lttng_ust_ringbuffer_get_timeout(struct channel *chan)
+static int lttng_ust_ringbuffer_get_timeout(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        if (!lttng_ust_allow_blocking)
                return 0;
@@ -164,7 +164,7 @@ static int lttng_ust_ringbuffer_get_timeout(struct channel *chan)
 void lib_ring_buffer_reset(struct lttng_ust_lib_ring_buffer *buf,
                           struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
        unsigned int i;
 
@@ -218,7 +218,7 @@ void lib_ring_buffer_reset(struct lttng_ust_lib_ring_buffer *buf,
  * be using the iterator concurrently with reset. The previous current iterator
  * record is reset.
  */
-void channel_reset(struct channel *chan)
+void channel_reset(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        /*
         * Reset iterators first. Will put the subbuffer if held for reading.
@@ -329,9 +329,10 @@ int lib_ring_buffer_create(struct lttng_ust_lib_ring_buffer *buf,
                           struct shm_object *shmobj)
 {
        const struct lttng_ust_lib_ring_buffer_config *config = &chanb->config;
-       struct channel *chan = caa_container_of(chanb, struct channel, backend);
+       struct lttng_ust_lib_ring_buffer_channel *chan = caa_container_of(chanb,
+                       struct lttng_ust_lib_ring_buffer_channel, backend);
        struct lttng_ust_lib_ring_buffer_backend_subbuffer *wsb;
-       struct channel *shmp_chan;
+       struct lttng_ust_lib_ring_buffer_channel *shmp_chan;
        struct commit_counters_hot *cc_hot;
        void *priv = channel_get_private(chan);
        size_t subbuf_header_size;
@@ -429,7 +430,7 @@ void lib_ring_buffer_channel_switch_timer(int sig, siginfo_t *si, void *uc)
 {
        const struct lttng_ust_lib_ring_buffer_config *config;
        struct lttng_ust_shm_handle *handle;
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        int cpu;
 
        assert(CMM_LOAD_SHARED(timer_signal.tid) == pthread_self());
@@ -473,7 +474,7 @@ end:
 static
 int lib_ring_buffer_poll_deliver(const struct lttng_ust_lib_ring_buffer_config *config,
                                 struct lttng_ust_lib_ring_buffer *buf,
-                                struct channel *chan,
+                                struct lttng_ust_lib_ring_buffer_channel *chan,
                                 struct lttng_ust_shm_handle *handle)
 {
        unsigned long consumed_old, consumed_idx, commit_count, write_offset;
@@ -582,7 +583,7 @@ void lib_ring_buffer_wakeup(struct lttng_ust_lib_ring_buffer *buf,
 }
 
 static
-void lib_ring_buffer_channel_do_read(struct channel *chan)
+void lib_ring_buffer_channel_do_read(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        const struct lttng_ust_lib_ring_buffer_config *config;
        struct lttng_ust_shm_handle *handle;
@@ -627,7 +628,7 @@ end:
 static
 void lib_ring_buffer_channel_read_timer(int sig, siginfo_t *si, void *uc)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
 
        assert(CMM_LOAD_SHARED(timer_signal.tid) == pthread_self());
        chan = si->si_value.sival_ptr;
@@ -777,7 +778,7 @@ void lib_ring_buffer_wait_signal_thread_qs(unsigned int signr)
 }
 
 static
-void lib_ring_buffer_channel_switch_timer_start(struct channel *chan)
+void lib_ring_buffer_channel_switch_timer_start(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        struct sigevent sev;
        struct itimerspec its;
@@ -811,7 +812,7 @@ void lib_ring_buffer_channel_switch_timer_start(struct channel *chan)
 }
 
 static
-void lib_ring_buffer_channel_switch_timer_stop(struct channel *chan)
+void lib_ring_buffer_channel_switch_timer_stop(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        int ret;
 
@@ -830,7 +831,7 @@ void lib_ring_buffer_channel_switch_timer_stop(struct channel *chan)
 }
 
 static
-void lib_ring_buffer_channel_read_timer_start(struct channel *chan)
+void lib_ring_buffer_channel_read_timer_start(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config;
        struct sigevent sev;
@@ -865,7 +866,7 @@ void lib_ring_buffer_channel_read_timer_start(struct channel *chan)
 }
 
 static
-void lib_ring_buffer_channel_read_timer_stop(struct channel *chan)
+void lib_ring_buffer_channel_read_timer_stop(struct lttng_ust_lib_ring_buffer_channel *chan)
 {
        const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config;
        int ret;
@@ -891,14 +892,14 @@ void lib_ring_buffer_channel_read_timer_stop(struct channel *chan)
        chan->read_timer_enabled = 0;
 }
 
-static void channel_unregister_notifiers(struct channel *chan,
+static void channel_unregister_notifiers(struct lttng_ust_lib_ring_buffer_channel *chan,
                           struct lttng_ust_shm_handle *handle)
 {
        lib_ring_buffer_channel_switch_timer_stop(chan);
        lib_ring_buffer_channel_read_timer_stop(chan);
 }
 
-static void channel_print_errors(struct channel *chan,
+static void channel_print_errors(struct lttng_ust_lib_ring_buffer_channel *chan,
                struct lttng_ust_shm_handle *handle)
 {
        const struct lttng_ust_lib_ring_buffer_config *config =
@@ -921,7 +922,7 @@ static void channel_print_errors(struct channel *chan,
        }
 }
 
-static void channel_free(struct channel *chan,
+static void channel_free(struct lttng_ust_lib_ring_buffer_channel *chan,
                struct lttng_ust_shm_handle *handle,
                int consumer)
 {
@@ -967,7 +968,7 @@ struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buff
 {
        int ret;
        size_t shmsize, chansize;
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        struct lttng_ust_shm_handle *handle;
        struct shm_object *shmobj;
        unsigned int nr_streams;
@@ -1008,7 +1009,7 @@ struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buff
                goto error_table_alloc;
 
        /* Calculate the shm allocation layout */
-       shmsize = sizeof(struct channel);
+       shmsize = sizeof(struct lttng_ust_lib_ring_buffer_channel);
        shmsize += lttng_ust_offset_align(shmsize, __alignof__(struct lttng_ust_lib_ring_buffer_shmp));
        shmsize += sizeof(struct lttng_ust_lib_ring_buffer_shmp) * nr_streams;
        chansize = shmsize;
@@ -1021,7 +1022,7 @@ struct lttng_ust_shm_handle *channel_create(const struct lttng_ust_lib_ring_buff
                        -1, -1);
        if (!shmobj)
                goto error_append;
-       /* struct channel is at object 0, offset 0 (hardcoded) */
+       /* struct lttng_ust_lib_ring_buffer_channel is at object 0, offset 0 (hardcoded) */
        set_shmp(handle->chan, zalloc_shm(shmobj, chansize));
        assert(handle->chan._ref.index == 0);
        assert(handle->chan._ref.offset == 0);
@@ -1093,7 +1094,7 @@ struct lttng_ust_shm_handle *channel_handle_create(void *data,
                        memory_map_size, wakeup_fd);
        if (!object)
                goto error_table_object;
-       /* struct channel is at object 0, offset 0 (hardcoded) */
+       /* struct lttng_ust_lib_ring_buffer_channel is at object 0, offset 0 (hardcoded) */
        handle->chan._ref.index = 0;
        handle->chan._ref.offset = 0;
        return handle;
@@ -1127,7 +1128,7 @@ unsigned int channel_handle_get_nr_streams(struct lttng_ust_shm_handle *handle)
 }
 
 static
-void channel_release(struct channel *chan, struct lttng_ust_shm_handle *handle,
+void channel_release(struct lttng_ust_lib_ring_buffer_channel *chan, struct lttng_ust_shm_handle *handle,
                int consumer)
 {
        channel_free(chan, handle, consumer);
@@ -1143,7 +1144,7 @@ void channel_release(struct channel *chan, struct lttng_ust_shm_handle *handle,
  * consumption of finalized channels, get_subbuf() will return -ENODATA.
  * They should release their handle at that point.
  */
-void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle,
+void channel_destroy(struct lttng_ust_lib_ring_buffer_channel *chan, struct lttng_ust_shm_handle *handle,
                int consumer)
 {
        if (consumer) {
@@ -1168,7 +1169,7 @@ void channel_destroy(struct channel *chan, struct lttng_ust_shm_handle *handle,
 
 struct lttng_ust_lib_ring_buffer *channel_get_ring_buffer(
                                        const struct lttng_ust_lib_ring_buffer_config *config,
-                                       struct channel *chan, int cpu,
+                                       struct lttng_ust_lib_ring_buffer_channel *chan, int cpu,
                                        struct lttng_ust_shm_handle *handle,
                                        int *shm_fd, int *wait_fd,
                                        int *wakeup_fd,
@@ -1192,7 +1193,7 @@ struct lttng_ust_lib_ring_buffer *channel_get_ring_buffer(
 }
 
 int ring_buffer_channel_close_wait_fd(const struct lttng_ust_lib_ring_buffer_config *config,
-                       struct channel *chan,
+                       struct lttng_ust_lib_ring_buffer_channel *chan,
                        struct lttng_ust_shm_handle *handle)
 {
        struct shm_ref *ref;
@@ -1202,7 +1203,7 @@ int ring_buffer_channel_close_wait_fd(const struct lttng_ust_lib_ring_buffer_con
 }
 
 int ring_buffer_channel_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_config *config,
-                       struct channel *chan,
+                       struct lttng_ust_lib_ring_buffer_channel *chan,
                        struct lttng_ust_shm_handle *handle)
 {
        struct shm_ref *ref;
@@ -1212,7 +1213,7 @@ int ring_buffer_channel_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_c
 }
 
 int ring_buffer_stream_close_wait_fd(const struct lttng_ust_lib_ring_buffer_config *config,
-                       struct channel *chan,
+                       struct lttng_ust_lib_ring_buffer_channel *chan,
                        struct lttng_ust_shm_handle *handle,
                        int cpu)
 {
@@ -1229,7 +1230,7 @@ int ring_buffer_stream_close_wait_fd(const struct lttng_ust_lib_ring_buffer_conf
 }
 
 int ring_buffer_stream_close_wakeup_fd(const struct lttng_ust_lib_ring_buffer_config *config,
-                       struct channel *chan,
+                       struct lttng_ust_lib_ring_buffer_channel *chan,
                        struct lttng_ust_shm_handle *handle,
                        int cpu)
 {
@@ -1261,7 +1262,7 @@ int lib_ring_buffer_open_read(struct lttng_ust_lib_ring_buffer *buf,
 void lib_ring_buffer_release_read(struct lttng_ust_lib_ring_buffer *buf,
                                  struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan = shmp(handle, buf->backend.chan);
+       struct lttng_ust_lib_ring_buffer_channel *chan = shmp(handle, buf->backend.chan);
 
        if (!chan)
                return;
@@ -1284,7 +1285,7 @@ int lib_ring_buffer_snapshot(struct lttng_ust_lib_ring_buffer *buf,
                             unsigned long *consumed, unsigned long *produced,
                             struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
        unsigned long consumed_cur, write_offset;
        int finalized;
@@ -1349,7 +1350,7 @@ int lib_ring_buffer_snapshot_sample_positions(
                             unsigned long *consumed, unsigned long *produced,
                             struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
 
        chan = shmp(handle, buf->backend.chan);
@@ -1380,7 +1381,7 @@ void lib_ring_buffer_move_consumer(struct lttng_ust_lib_ring_buffer *buf,
                                   struct lttng_ust_shm_handle *handle)
 {
        struct lttng_ust_lib_ring_buffer_backend *bufb = &buf->backend;
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        unsigned long consumed;
 
        chan = shmp(handle, bufb->chan);
@@ -1411,7 +1412,7 @@ int lib_ring_buffer_get_subbuf(struct lttng_ust_lib_ring_buffer *buf,
                               unsigned long consumed,
                               struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
        unsigned long consumed_cur, consumed_idx, commit_count, write_offset;
        int ret, finalized, nr_retry = LTTNG_UST_RING_BUFFER_GET_RETRY;
@@ -1575,7 +1576,7 @@ void lib_ring_buffer_put_subbuf(struct lttng_ust_lib_ring_buffer *buf,
                                struct lttng_ust_shm_handle *handle)
 {
        struct lttng_ust_lib_ring_buffer_backend *bufb = &buf->backend;
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
        unsigned long sb_bindex, consumed_idx, consumed;
        struct lttng_ust_lib_ring_buffer_backend_pages_shmp *rpages;
@@ -1642,7 +1643,7 @@ void lib_ring_buffer_put_subbuf(struct lttng_ust_lib_ring_buffer *buf,
  */
 static
 void lib_ring_buffer_print_subbuffer_errors(struct lttng_ust_lib_ring_buffer *buf,
-                                           struct channel *chan,
+                                           struct lttng_ust_lib_ring_buffer_channel *chan,
                                            unsigned long cons_offset,
                                            int cpu,
                                            struct lttng_ust_shm_handle *handle)
@@ -1677,7 +1678,7 @@ void lib_ring_buffer_print_subbuffer_errors(struct lttng_ust_lib_ring_buffer *bu
 
 static
 void lib_ring_buffer_print_buffer_errors(struct lttng_ust_lib_ring_buffer *buf,
-                                        struct channel *chan,
+                                        struct lttng_ust_lib_ring_buffer_channel *chan,
                                         void *priv, int cpu,
                                         struct lttng_ust_shm_handle *handle)
 {
@@ -1707,7 +1708,7 @@ void lib_ring_buffer_print_buffer_errors(struct lttng_ust_lib_ring_buffer *buf,
 }
 
 static
-void lib_ring_buffer_print_errors(struct channel *chan,
+void lib_ring_buffer_print_errors(struct lttng_ust_lib_ring_buffer_channel *chan,
                                struct lttng_ust_lib_ring_buffer *buf, int cpu,
                                struct lttng_ust_shm_handle *handle)
 {
@@ -1749,7 +1750,7 @@ void lib_ring_buffer_print_errors(struct channel *chan,
  */
 static
 void lib_ring_buffer_switch_old_start(struct lttng_ust_lib_ring_buffer *buf,
-                                     struct channel *chan,
+                                     struct lttng_ust_lib_ring_buffer_channel *chan,
                                      struct switch_offsets *offsets,
                                      uint64_t tsc,
                                      struct lttng_ust_shm_handle *handle)
@@ -1790,7 +1791,7 @@ void lib_ring_buffer_switch_old_start(struct lttng_ust_lib_ring_buffer *buf,
  */
 static
 void lib_ring_buffer_switch_old_end(struct lttng_ust_lib_ring_buffer *buf,
-                                   struct channel *chan,
+                                   struct lttng_ust_lib_ring_buffer_channel *chan,
                                    struct switch_offsets *offsets,
                                    uint64_t tsc,
                                    struct lttng_ust_shm_handle *handle)
@@ -1845,7 +1846,7 @@ void lib_ring_buffer_switch_old_end(struct lttng_ust_lib_ring_buffer *buf,
  */
 static
 void lib_ring_buffer_switch_new_start(struct lttng_ust_lib_ring_buffer *buf,
-                                     struct channel *chan,
+                                     struct lttng_ust_lib_ring_buffer_channel *chan,
                                      struct switch_offsets *offsets,
                                      uint64_t tsc,
                                      struct lttng_ust_shm_handle *handle)
@@ -1885,7 +1886,7 @@ void lib_ring_buffer_switch_new_start(struct lttng_ust_lib_ring_buffer *buf,
  */
 static
 void lib_ring_buffer_switch_new_end(struct lttng_ust_lib_ring_buffer *buf,
-                                   struct channel *chan,
+                                   struct lttng_ust_lib_ring_buffer_channel *chan,
                                    struct switch_offsets *offsets,
                                    uint64_t tsc,
                                    struct lttng_ust_shm_handle *handle)
@@ -1920,7 +1921,7 @@ void lib_ring_buffer_switch_new_end(struct lttng_ust_lib_ring_buffer *buf,
 static
 int lib_ring_buffer_try_switch_slow(enum switch_mode mode,
                                    struct lttng_ust_lib_ring_buffer *buf,
-                                   struct channel *chan,
+                                   struct lttng_ust_lib_ring_buffer_channel *chan,
                                    struct switch_offsets *offsets,
                                    uint64_t *tsc,
                                    struct lttng_ust_shm_handle *handle)
@@ -2036,7 +2037,7 @@ int lib_ring_buffer_try_switch_slow(enum switch_mode mode,
 void lib_ring_buffer_switch_slow(struct lttng_ust_lib_ring_buffer *buf, enum switch_mode mode,
                                 struct lttng_ust_shm_handle *handle)
 {
-       struct channel *chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan;
        const struct lttng_ust_lib_ring_buffer_config *config;
        struct switch_offsets offsets;
        unsigned long oldidx;
@@ -2115,7 +2116,7 @@ bool handle_blocking_retry(int *timeout_left_ms)
  */
 static
 int lib_ring_buffer_try_reserve_slow(struct lttng_ust_lib_ring_buffer *buf,
-                                    struct channel *chan,
+                                    struct lttng_ust_lib_ring_buffer_channel *chan,
                                     struct switch_offsets *offsets,
                                     struct lttng_ust_lib_ring_buffer_ctx *ctx,
                                     void *client_ctx)
@@ -2309,7 +2310,7 @@ retry:
 int lib_ring_buffer_reserve_slow(struct lttng_ust_lib_ring_buffer_ctx *ctx,
                void *client_ctx)
 {
-       struct channel *chan = ctx->chan;
+       struct lttng_ust_lib_ring_buffer_channel *chan = ctx->chan;
        struct lttng_ust_shm_handle *handle = ctx->handle;
        const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config;
        struct lttng_ust_lib_ring_buffer *buf;
@@ -2427,7 +2428,7 @@ void deliver_count_events(const struct lttng_ust_lib_ring_buffer_config *config,
 
 void lib_ring_buffer_check_deliver_slow(const struct lttng_ust_lib_ring_buffer_config *config,
                                   struct lttng_ust_lib_ring_buffer *buf,
-                                  struct channel *chan,
+                                  struct lttng_ust_lib_ring_buffer_channel *chan,
                                   unsigned long offset,
                                   unsigned long commit_count,
                                   unsigned long idx,
LTTng 2.0 Userspace Tracer
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