X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flttng-context-pid.c;h=6f613725aad4815791616637ed3ef2a5e470fe52;hb=e2d5dbc7d09c7aa4f7c391fcdd4dfc95ba1ed326;hp=f3e4aef11b21520dcd0bdc630ca7444306bbff2b;hpb=cfa6cc1d0f01c2cfcc1a679abf3a6572d411c309;p=lttng-modules.git

diff --git a/src/lttng-context-pid.c b/src/lttng-context-pid.c
index f3e4aef1..6f613725 100644
--- a/src/lttng-context-pid.c
+++ b/src/lttng-context-pid.c
@@ -11,6 +11,7 @@
 #include <linux/slab.h>
 #include <linux/sched.h>
 #include <lttng/events.h>
+#include <lttng/events-internal.h>
 #include <ringbuffer/frontend_types.h>
 #include <wrapper/vmalloc.h>
 #include <lttng/tracer.h>
@@ -26,7 +27,7 @@ size_t pid_get_size(size_t offset)
 }
 
 static
-void pid_record(struct lttng_ctx_field *field,
+void pid_record(struct lttng_kernel_ctx_field *field,
 		struct lib_ring_buffer_ctx *ctx,
 		struct lttng_channel *chan)
 {
@@ -38,37 +39,31 @@ void pid_record(struct lttng_ctx_field *field,
 }
 
 static
-void pid_get_value(struct lttng_ctx_field *field,
+void pid_get_value(struct lttng_kernel_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)
+static const struct lttng_kernel_ctx_field *ctx_field = lttng_kernel_static_ctx_field(
+	lttng_kernel_static_event_field("pid",
+		lttng_kernel_static_type_integer_from_type(pid_t, __BYTE_ORDER, 10),
+		false, false, false),
+	pid_get_size,
+	NULL,
+	pid_record,
+	pid_get_value,
+	NULL, NULL);
+
+int lttng_add_pid_to_ctx(struct lttng_kernel_ctx **ctx)
 {
-	struct lttng_ctx_field *field;
+	int ret;
 
-	field = lttng_append_context(ctx);
-	if (!field)
-		return -ENOMEM;
-	if (lttng_find_context(*ctx, "pid")) {
-		lttng_remove_context_field(ctx, field);
+	if (lttng_kernel_find_context(*ctx, ctx_field->event_field->name))
 		return -EEXIST;
-	}
-	field->event_field.name = "pid";
-	field->event_field.type.atype = atype_integer;
-	field->event_field.type.u.integer.size = sizeof(pid_t) * CHAR_BIT;
-	field->event_field.type.u.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT;
-	field->event_field.type.u.integer.signedness = lttng_is_signed_type(pid_t);
-	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 = pid_get_size;
-	field->record = pid_record;
-	field->get_value = pid_get_value;
-	lttng_context_update(*ctx);
+	ret = lttng_kernel_context_append(ctx, ctx_field);
 	wrapper_vmalloc_sync_mappings();
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(lttng_add_pid_to_ctx);