X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=src%2Flttng-context-uid.c;h=841d2ea726a1341b100f7d16a709da6d7546dd29;hb=cefd899fc3de0c29491332929cec445e0d459760;hp=47c740f98b85fe2510a18bea78d6f954618dfae1;hpb=12bb2edb6ed3e96d3299a979e49b828f2b17dcb2;p=lttng-modules.git diff --git a/src/lttng-context-uid.c b/src/lttng-context-uid.c index 47c740f9..841d2ea7 100644 --- a/src/lttng-context-uid.c +++ b/src/lttng-context-uid.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -28,7 +29,7 @@ size_t uid_get_size(size_t offset) } static -void uid_record(struct lttng_ctx_field *field, +void uid_record(struct lttng_kernel_ctx_field *field, struct lib_ring_buffer_ctx *ctx, struct lttng_channel *chan) { @@ -40,37 +41,31 @@ void uid_record(struct lttng_ctx_field *field, } static -void uid_get_value(struct lttng_ctx_field *field, +void uid_get_value(struct lttng_kernel_ctx_field *field, struct lttng_probe_ctx *lttng_probe_ctx, union lttng_ctx_value *value) { value->s64 = lttng_current_uid(); } -int lttng_add_uid_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("uid", + lttng_kernel_static_type_integer_from_type(uid_t, __BYTE_ORDER, 10), + false, false, false), + uid_get_size, + NULL, + uid_record, + uid_get_value, + NULL, NULL); + +int lttng_add_uid_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, "uid")) { - lttng_remove_context_field(ctx, field); + if (lttng_kernel_find_context(*ctx, ctx_field->event_field->name)) return -EEXIST; - } - field->event_field.name = "uid"; - field->event_field.type.type = lttng_kernel_type_integer; - field->event_field.type.u.integer.size = sizeof(uid_t) * CHAR_BIT; - field->event_field.type.u.integer.alignment = lttng_alignof(uid_t) * CHAR_BIT; - field->event_field.type.u.integer.signedness = lttng_is_signed_type(uid_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 = uid_get_size; - field->record = uid_record; - field->get_value = uid_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_uid_to_ctx);