Move to kernel style SPDX license identifiers
[lttng-ust.git] / liblttng-ust / lttng-context-pthread-id.c
index e0f662f2c52da6a5c211055e3c3a9bd5044539b1..ef82e857e57f58a7969bef83ad1da3f5f653f978 100644 (file)
@@ -1,32 +1,20 @@
 /*
- * lttng-context-pthread-id.c
- *
- * LTTng UST pthread_id context.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
  * Copyright (C) 2009-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * 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 pthread_id context.
  */
 
+#define _LGPL_SOURCE
+#include <stddef.h>
 #include <pthread.h>
 #include <lttng/ust-events.h>
 #include <lttng/ust-tracer.h>
 #include <lttng/ringbuffer-config.h>
 
 static
-size_t pthread_id_get_size(size_t offset)
+size_t pthread_id_get_size(struct lttng_ctx_field *field, size_t offset)
 {
        size_t size = 0;
 
@@ -47,6 +35,13 @@ void pthread_id_record(struct lttng_ctx_field *field,
        chan->ops->event_write(ctx, &pthread_id, sizeof(pthread_id));
 }
 
+static
+void pthread_id_get_value(struct lttng_ctx_field *field,
+               struct lttng_ctx_value *value)
+{
+       value->u.s64 = (unsigned long) pthread_self();
+}
+
 int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx)
 {
        struct lttng_ctx_field *field;
@@ -60,13 +55,15 @@ int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx)
        }
        field->event_field.name = "pthread_id";
        field->event_field.type.atype = atype_integer;
-       field->event_field.type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT;
-       field->event_field.type.u.basic.integer.alignment = lttng_alignof(unsigned long) * CHAR_BIT;
-       field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(unsigned long);
-       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.u.integer.size = sizeof(unsigned long) * CHAR_BIT;
+       field->event_field.type.u.integer.alignment = lttng_alignof(unsigned long) * CHAR_BIT;
+       field->event_field.type.u.integer.signedness = lttng_is_signed_type(unsigned long);
+       field->event_field.type.u.integer.reverse_byte_order = 0;
+       field->event_field.type.u.integer.base = 10;
+       field->event_field.type.u.integer.encoding = lttng_encode_none;
        field->get_size = pthread_id_get_size;
        field->record = pthread_id_record;
+       field->get_value = pthread_id_get_value;
+       lttng_context_update(*ctx);
        return 0;
 }
This page took 0.023586 seconds and 4 git commands to generate.