+++ /dev/null
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2009-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * LTTng UST pthread_id context.
- */
-
-#define _LGPL_SOURCE
-#include <stddef.h>
-#include <pthread.h>
-#include <lttng/ust-events.h>
-#include <lttng/ust-tracer.h>
-#include <lttng/ringbuffer-context.h>
-
-#include "context-internal.h"
-
-static
-size_t pthread_id_get_size(struct lttng_ust_ctx_field *field, size_t offset)
-{
- size_t size = 0;
-
- size += lib_ring_buffer_align(offset, lttng_alignof(unsigned long));
- size += sizeof(unsigned long);
- return size;
-}
-
-static
-void pthread_id_record(struct lttng_ust_ctx_field *field,
- struct lttng_ust_lib_ring_buffer_ctx *ctx,
- struct lttng_channel *chan)
-{
- unsigned long pthread_id;
-
- pthread_id = (unsigned long) pthread_self();
- lib_ring_buffer_align_ctx(ctx, lttng_alignof(pthread_id));
- chan->ops->event_write(ctx, &pthread_id, sizeof(pthread_id));
-}
-
-static
-void pthread_id_get_value(struct lttng_ust_ctx_field *field,
- struct lttng_ust_ctx_value *value)
-{
- value->u.s64 = (unsigned long) pthread_self();
-}
-
-int lttng_add_pthread_id_to_ctx(struct lttng_ust_ctx **ctx)
-{
- struct lttng_ust_ctx_field *field;
- struct lttng_ust_type_common *type;
- int ret;
-
- type = lttng_ust_create_type_integer(sizeof(unsigned long) * CHAR_BIT,
- lttng_alignof(unsigned long) * CHAR_BIT,
- lttng_is_signed_type(unsigned long),
- BYTE_ORDER, 10);
- if (!type)
- return -ENOMEM;
- field = lttng_append_context(ctx);
- if (!field) {
- ret = -ENOMEM;
- goto error_context;
- }
- if (lttng_find_context(*ctx, "pthread_id")) {
- ret = -EEXIST;
- goto error_find_context;
- }
- field->event_field->name = strdup("pthread_id");
- if (!field->event_field->name) {
- ret = -ENOMEM;
- goto error_name;
- }
- field->event_field->type = type;
- field->get_size = pthread_id_get_size;
- field->record = pthread_id_record;
- field->get_value = pthread_id_get_value;
- lttng_context_update(*ctx);
- return 0;
-
-error_name:
-error_find_context:
- lttng_remove_context_field(ctx, field);
-error_context:
- lttng_ust_destroy_type(type);
- return ret;
-}