X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-pid.c;h=b5d9c5c95c9653ce5e36037df318da5c14b15b96;hb=b7cdc18250880cc44edeef4a4b42c8ac7a135a6d;hp=25cbcbb299d70f6cee9107c959c98aa4595f8f12;hpb=a9dd15dadd7d58f58cfd19d2503d3b6b541723bc;p=lttng-modules.git diff --git a/lttng-context-pid.c b/lttng-context-pid.c index 25cbcbb2..b5d9c5c9 100644 --- a/lttng-context-pid.c +++ b/lttng-context-pid.c @@ -1,32 +1,19 @@ -/* +/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) + * * lttng-context-pid.c * * LTTng PID context. * * 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 */ #include #include #include -#include "lttng-events.h" -#include "wrapper/ringbuffer/frontend_types.h" -#include "wrapper/vmalloc.h" -#include "lttng-tracer.h" +#include +#include +#include +#include static size_t pid_get_size(size_t offset) @@ -50,6 +37,14 @@ void pid_record(struct lttng_ctx_field *field, chan->ops->event_write(ctx, &pid, sizeof(pid)); } +static +void pid_get_value(struct lttng_ctx_field *field, + struct lttng_probe_ctx *lttng_probe_ctx, + union lttng_ctx_value *value) +{ + value->s64 = task_tgid_nr(current); +} + int lttng_add_pid_to_ctx(struct lttng_ctx **ctx) { struct lttng_ctx_field *field; @@ -71,16 +66,9 @@ int lttng_add_pid_to_ctx(struct lttng_ctx **ctx) field->event_field.type.u.basic.integer.encoding = lttng_encode_none; field->get_size = pid_get_size; field->record = pid_record; + field->get_value = pid_get_value; lttng_context_update(*ctx); wrapper_vmalloc_sync_all(); return 0; } EXPORT_SYMBOL_GPL(lttng_add_pid_to_ctx); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("Linux Trace Toolkit PID Context"); -MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "." - __stringify(LTTNG_MODULES_MINOR_VERSION) "." - __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION) - LTTNG_MODULES_EXTRAVERSION);