Bytecode: update documentation

[lttng-ust.git] / liblttng-ust / lttng-context-procname.c

diff --git a/liblttng-ust/lttng-context-procname.c b/liblttng-ust/lttng-context-procname.c
index 9e24cb0630d92b0cac74d2e64f88934f7b96f95f..00a79355a577ce234b4ec1d5c9a11b9f576cdd88 100644 (file)
--- a/liblttng-ust/lttng-context-procname.c
+++ b/liblttng-ust/lttng-context-procname.c
@@ -10,7 +10,7 @@
 #include <stddef.h>
 #include <lttng/ust-events.h>
 #include <lttng/ust-tracer.h>
-#include <lttng/ringbuffer-config.h>
+#include <lttng/ringbuffer-context.h>
 #include <urcu/tls-compat.h>
 #include <assert.h>
 #include "compat.h"
@@ -73,7 +73,7 @@ size_t procname_get_size(struct lttng_ust_ctx_field *field, size_t offset)
 static
 void procname_record(struct lttng_ust_ctx_field *field,
                 struct lttng_ust_lib_ring_buffer_ctx *ctx,
-                struct lttng_channel *chan)
+                struct lttng_ust_channel_buffer *chan)
 {
        char *procname;
 
@@ -88,30 +88,42 @@ void procname_get_value(struct lttng_ust_ctx_field *field,
        value->u.str = wrapper_getprocname();
 }
 
-static const struct lttng_type procname_array_elem_type =
-       __type_integer(char, BYTE_ORDER, 10, UTF8);
-
 int lttng_add_procname_to_ctx(struct lttng_ust_ctx **ctx)
 {
        struct lttng_ust_ctx_field *field;
+       struct lttng_ust_type_common *type;
+       int ret;
 
-       field = lttng_append_context(ctx);
-       if (!field)
+       type = lttng_ust_create_type_array_text(LTTNG_UST_ABI_PROCNAME_LEN);
+       if (!type)
                return -ENOMEM;
+       field = lttng_append_context(ctx);
+       if (!field) {
+               ret = -ENOMEM;
+               goto error_context;
+       }
        if (lttng_find_context(*ctx, "procname")) {
-               lttng_remove_context_field(ctx, field);
-               return -EEXIST;
+               ret = -EEXIST;
+               goto error_find_context;
+       }
+       field->event_field->name = strdup("procname");
+       if (!field->event_field->name) {
+               ret = -ENOMEM;
+               goto error_name;
        }
-       field->event_field->name = "procname";
-       field->event_field->type.atype = atype_array_nestable;
-       field->event_field->type.u.array_nestable.elem_type =
-               &procname_array_elem_type;
-       field->event_field->type.u.array_nestable.length = LTTNG_UST_ABI_PROCNAME_LEN;
+       field->event_field->type = type;
        field->get_size = procname_get_size;
        field->record = procname_record;
        field->get_value = procname_get_value;
        lttng_context_update(*ctx);
        return 0;
+
+error_name:
+error_find_context:
+       lttng_remove_context_field(ctx, field);
+error_context:
+       lttng_ust_destroy_type(type);
+       return ret;
 }
 
 /*