X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-pid.c;h=b5d9c5c95c9653ce5e36037df318da5c14b15b96;hb=b7cdc18250880cc44edeef4a4b42c8ac7a135a6d;hp=f548e3c647163a7606e990a7e90a690e769149a1;hpb=a90917c3f8c4ed79117f1caa333b29a2108084ec;p=lttng-modules.git

diff --git a/lttng-context-pid.c b/lttng-context-pid.c
index f548e3c6..b5d9c5c9 100644
--- a/lttng-context-pid.c
+++ b/lttng-context-pid.c
@@ -1,19 +1,19 @@
-/*
- * (C) Copyright	2009-2011 -
- * 		Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
+ *
+ * lttng-context-pid.c
  *
  * LTTng PID context.
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2009-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
-#include "lttng-events.h"
-#include "wrapper/ringbuffer/frontend_types.h"
-#include "wrapper/vmalloc.h"
-#include "lttng-tracer.h"
+#include <lttng-events.h>
+#include <wrapper/ringbuffer/frontend_types.h>
+#include <wrapper/vmalloc.h>
+#include <lttng-tracer.h>
 
 static
 size_t pid_get_size(size_t offset)
@@ -37,6 +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;
@@ -52,17 +60,15 @@ int lttng_add_pid_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 = 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");