X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Flttng-context-vpid.c;h=3a8a6ea4eb389e8ecedbaaf0b735cda2f722fc05;hb=9af5d97a36b0cd4ed5d5868855f03c810d171aad;hp=11978e6e33d8e0f93ac4fb0bd34e12495790d7e4;hpb=98357ffd0125c23387d42d4b706c56077392326d;p=lttng-ust.git diff --git a/liblttng-ust/lttng-context-vpid.c b/liblttng-ust/lttng-context-vpid.c index 11978e6e..3a8a6ea4 100644 --- a/liblttng-ust/lttng-context-vpid.c +++ b/liblttng-ust/lttng-context-vpid.c @@ -1,31 +1,21 @@ /* - * lttng-context-vpid.c - * - * LTTng UST vpid 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 vpid context. */ #define _LGPL_SOURCE +#include +#include #include #include #include #include -#include +#include + +#include "context-internal.h" /* * We cache the result to ensure we don't trigger a system call for @@ -56,7 +46,7 @@ void lttng_context_vpid_reset(void) } static -size_t vpid_get_size(struct lttng_ctx_field *field, size_t offset) +size_t vpid_get_size(struct lttng_ust_ctx_field *field, size_t offset) { size_t size = 0; @@ -66,9 +56,9 @@ size_t vpid_get_size(struct lttng_ctx_field *field, size_t offset) } static -void vpid_record(struct lttng_ctx_field *field, +void vpid_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 vpid = wrapper_getvpid(); @@ -77,34 +67,49 @@ void vpid_record(struct lttng_ctx_field *field, } static -void vpid_get_value(struct lttng_ctx_field *field, - struct lttng_ctx_value *value) +void vpid_get_value(struct lttng_ust_ctx_field *field, + struct lttng_ust_ctx_value *value) { value->u.s64 = wrapper_getvpid(); } -int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx) +int lttng_add_vpid_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, "vpid")) { - lttng_remove_context_field(ctx, field); - return -EEXIST; + ret = -EEXIST; + goto error_find_context; } - field->event_field.name = "vpid"; - 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("vpid"); + if (!field->event_field->name) { + ret = -ENOMEM; + goto error_name; + } + field->event_field->type = type; field->get_size = vpid_get_size; field->record = vpid_record; field->get_value = vpid_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; }