X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-tid.c;h=7f3d4a11010cca0cdbf0b07aa3d26023a1dbd656;hb=refs%2Fheads%2Fstable-2.7;hp=af59d7b8375a61722387a102a750bcc7bd7becc3;hpb=a90917c3f8c4ed79117f1caa333b29a2108084ec;p=lttng-modules.git diff --git a/lttng-context-tid.c b/lttng-context-tid.c index af59d7b8..7f3d4a11 100644 --- a/lttng-context-tid.c +++ b/lttng-context-tid.c @@ -1,10 +1,23 @@ /* - * (C) Copyright 2009-2011 - - * Mathieu Desnoyers + * lttng-context-tid.c * * LTTng TID context. * - * Dual LGPL v2.1/GPL v2 license. + * 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 @@ -37,6 +50,16 @@ void tid_record(struct lttng_ctx_field *field, chan->ops->event_write(ctx, &tid, sizeof(tid)); } +static +void tid_get_value(struct lttng_ctx_field *field, + union lttng_ctx_value *value) +{ + pid_t tid; + + tid = task_pid_nr(current); + value->s64 = tid; +} + int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) { struct lttng_ctx_field *field; @@ -52,17 +75,15 @@ int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) 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 = is_signed_type(pid_t); + 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->get_size = tid_get_size; field->record = tid_record; + field->get_value = tid_get_value; + lttng_context_update(*ctx); wrapper_vmalloc_sync_all(); return 0; } EXPORT_SYMBOL_GPL(lttng_add_tid_to_ctx); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("Linux Trace Toolkit TID Context");