X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Flttng-context-vtid.c;h=2344825b9195ceaf8ee6e28469b2b18b7afd7159;hb=9af5d97a36b0cd4ed5d5868855f03c810d171aad;hp=36e5695daf89143e1b28f01f600759d5adda5ab0;hpb=0f029713c868ef3e868d0dc7297455cb737e606f;p=lttng-ust.git diff --git a/liblttng-ust/lttng-context-vtid.c b/liblttng-ust/lttng-context-vtid.c index 36e5695d..2344825b 100644 --- a/liblttng-ust/lttng-context-vtid.c +++ b/liblttng-ust/lttng-context-vtid.c @@ -1,33 +1,23 @@ /* - * lttng-context-vtid.c - * - * LTTng UST vtid context. + * SPDX-License-Identifier: LGPL-2.1-only * * Copyright (C) 2009-2012 Mathieu Desnoyers * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; only - * version 2.1 of the License. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * LTTng UST vtid context. */ #define _LGPL_SOURCE +#include +#include #include #include #include #include -#include -#include +#include +#include #include + +#include "context-internal.h" #include "lttng-tracer-core.h" /* @@ -47,7 +37,7 @@ void lttng_context_vtid_reset(void) } static -size_t vtid_get_size(struct lttng_ctx_field *field, size_t offset) +size_t vtid_get_size(struct lttng_ust_ctx_field *field, size_t offset) { size_t size = 0; @@ -70,9 +60,9 @@ pid_t wrapper_getvtid(void) } static -void vtid_record(struct lttng_ctx_field *field, +void vtid_record(struct lttng_ust_ctx_field *field, struct lttng_ust_lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) + struct lttng_ust_channel_buffer *chan) { pid_t vtid = wrapper_getvtid(); @@ -81,36 +71,51 @@ void vtid_record(struct lttng_ctx_field *field, } static -void vtid_get_value(struct lttng_ctx_field *field, - struct lttng_ctx_value *value) +void vtid_get_value(struct lttng_ust_ctx_field *field, + struct lttng_ust_ctx_value *value) { value->u.s64 = wrapper_getvtid(); } -int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx) +int lttng_add_vtid_to_ctx(struct lttng_ust_ctx **ctx) { - struct lttng_ctx_field *field; + struct lttng_ust_ctx_field *field; + struct lttng_ust_type_common *type; + int ret; - field = lttng_append_context(ctx); - if (!field) + type = lttng_ust_create_type_integer(sizeof(pid_t) * CHAR_BIT, + lttng_alignof(pid_t) * CHAR_BIT, + lttng_ust_is_signed_type(pid_t), + BYTE_ORDER, 10); + if (!type) return -ENOMEM; + field = lttng_append_context(ctx); + if (!field) { + ret = -ENOMEM; + goto error_context; + } if (lttng_find_context(*ctx, "vtid")) { - lttng_remove_context_field(ctx, field); - return -EEXIST; + ret = -EEXIST; + goto error_find_context; } - field->event_field.name = "vtid"; - field->event_field.type.atype = atype_integer; - field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT; - field->event_field.type.u.basic.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT; - field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(pid_t); - field->event_field.type.u.basic.integer.reverse_byte_order = 0; - field->event_field.type.u.basic.integer.base = 10; - field->event_field.type.u.basic.integer.encoding = lttng_encode_none; + field->event_field->name = strdup("vtid"); + if (!field->event_field->name) { + ret = -ENOMEM; + goto error_name; + } + field->event_field->type = type; field->get_size = vtid_get_size; field->record = vtid_record; field->get_value = vtid_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; } /*