X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-context-vsgid.c;h=f49d7f79e2ab792aea90fab7dc804b8bdab0014f;hb=f0fde1c3984721c0660c7d5a1377db74b6c03a70;hp=437b01e49afb04396a5d1ec106b67ecb3beff330;hpb=fca2f1916cd9f22f410d8f22b9a0720c978c2025;p=lttng-ust.git diff --git a/liblttng-ust/lttng-context-vsgid.c b/liblttng-ust/lttng-context-vsgid.c index 437b01e4..f49d7f79 100644 --- a/liblttng-ust/lttng-context-vsgid.c +++ b/liblttng-ust/lttng-context-vsgid.c @@ -1,34 +1,22 @@ /* - * lttng-context-vsgid.c - * - * LTTng UST namespaced saved set-group ID context. + * SPDX-License-Identifier: LGPL-2.1-only * * Copyright (C) 2009-2012 Mathieu Desnoyers - * 2019 Michael Jeanson - * - * 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. + * Copyright (C) 2019 Michael Jeanson * - * 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 namespaced saved set-group ID context. */ -#define _GNU_SOURCE #define _LGPL_SOURCE +#include #include #include #include #include #include -#include +#include + +#include "context-internal.h" #include "creds.h" @@ -77,7 +65,7 @@ void lttng_context_vsgid_reset(void) } static -size_t vsgid_get_size(struct lttng_ctx_field *field, size_t offset) +size_t vsgid_get_size(struct lttng_ust_ctx_field *field, size_t offset) { size_t size = 0; @@ -87,7 +75,7 @@ size_t vsgid_get_size(struct lttng_ctx_field *field, size_t offset) } static -void vsgid_record(struct lttng_ctx_field *field, +void vsgid_record(struct lttng_ust_ctx_field *field, struct lttng_ust_lib_ring_buffer_ctx *ctx, struct lttng_channel *chan) { @@ -99,34 +87,49 @@ void vsgid_record(struct lttng_ctx_field *field, } static -void vsgid_get_value(struct lttng_ctx_field *field, - struct lttng_ctx_value *value) +void vsgid_get_value(struct lttng_ust_ctx_field *field, + struct lttng_ust_ctx_value *value) { value->u.s64 = get_vsgid(); } -int lttng_add_vsgid_to_ctx(struct lttng_ctx **ctx) +int lttng_add_vsgid_to_ctx(struct lttng_ust_ctx **ctx) { - struct lttng_ctx_field *field; - - field = lttng_append_context(ctx); - if (!field) + struct lttng_ust_ctx_field *field; + struct lttng_ust_type_common *type; + int ret; + + type = lttng_ust_create_type_integer(sizeof(gid_t) * CHAR_BIT, + lttng_alignof(gid_t) * CHAR_BIT, + lttng_is_signed_type(gid_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, "vsgid")) { - lttng_remove_context_field(ctx, field); - return -EEXIST; + ret = -EEXIST; + goto error_find_context; + } + field->event_field->name = strdup("vsgid"); + if (!field->event_field->name) { + ret = -ENOMEM; + goto error_name; } - field->event_field.name = "vsgid"; - field->event_field.type.atype = atype_integer; - field->event_field.type.u.basic.integer.size = sizeof(gid_t) * CHAR_BIT; - field->event_field.type.u.basic.integer.alignment = lttng_alignof(gid_t) * CHAR_BIT; - field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(gid_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->type = type; field->get_size = vsgid_get_size; field->record = vsgid_record; field->get_value = vsgid_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; }