X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-context-veuid.c;h=5c2a1d83fd05aae709184c0b55dc7478eb39f308;hb=4e48b5d;hp=db60322dde79ea699aebd9b1a6be0369e9f4021d;hpb=dc325c1d762bbbdc1866e590f4649078f8600664;p=lttng-ust.git diff --git a/liblttng-ust/lttng-context-veuid.c b/liblttng-ust/lttng-context-veuid.c index db60322d..5c2a1d83 100644 --- a/liblttng-ust/lttng-context-veuid.c +++ b/liblttng-ust/lttng-context-veuid.c @@ -62,7 +62,8 @@ void lttng_context_veuid_reset(void) } static -size_t veuid_get_size(struct lttng_ust_ctx_field *field, size_t offset) +size_t veuid_get_size(void *priv __attribute__((unused)), + size_t offset) { size_t size = 0; @@ -72,61 +73,48 @@ size_t veuid_get_size(struct lttng_ust_ctx_field *field, size_t offset) } static -void veuid_record(struct lttng_ust_ctx_field *field, +void veuid_record(void *priv __attribute__((unused)), struct lttng_ust_lib_ring_buffer_ctx *ctx, struct lttng_ust_channel_buffer *chan) { uid_t veuid; veuid = get_veuid(); - lttng_ust_lib_ring_buffer_align_ctx(ctx, lttng_ust_rb_alignof(veuid)); - chan->ops->event_write(ctx, &veuid, sizeof(veuid)); + chan->ops->event_write(ctx, &veuid, sizeof(veuid), lttng_ust_rb_alignof(veuid)); } static -void veuid_get_value(struct lttng_ust_ctx_field *field, +void veuid_get_value(void *priv __attribute__((unused)), struct lttng_ust_ctx_value *value) { value->u.s64 = get_veuid(); } +static const struct lttng_ust_ctx_field *ctx_field = lttng_ust_static_ctx_field( + lttng_ust_static_event_field("veuid", + lttng_ust_static_type_integer(sizeof(uid_t) * CHAR_BIT, + lttng_ust_rb_alignof(uid_t) * CHAR_BIT, + lttng_ust_is_signed_type(uid_t), + BYTE_ORDER, 10), + false, false), + veuid_get_size, + veuid_record, + veuid_get_value, + NULL, NULL); + int lttng_add_veuid_to_ctx(struct lttng_ust_ctx **ctx) { - struct lttng_ust_ctx_field *field; - struct lttng_ust_type_common *type; int ret; - type = lttng_ust_create_type_integer(sizeof(uid_t) * CHAR_BIT, - lttng_ust_rb_alignof(uid_t) * CHAR_BIT, - lttng_ust_is_signed_type(uid_t), - BYTE_ORDER, 10); - if (!type) - return -ENOMEM; - field = lttng_append_context(ctx); - if (!field) { - ret = -ENOMEM; - goto error_context; - } - if (lttng_find_context(*ctx, "veuid")) { + if (lttng_find_context(*ctx, ctx_field->event_field->name)) { ret = -EEXIST; goto error_find_context; } - field->event_field->name = strdup("veuid"); - if (!field->event_field->name) { - ret = -ENOMEM; - goto error_name; - } - field->event_field->type = type; - field->get_size = veuid_get_size; - field->record = veuid_record; - field->get_value = veuid_get_value; - lttng_context_update(*ctx); + ret = lttng_ust_context_append(ctx, ctx_field); + if (ret) + return ret; return 0; -error_name: error_find_context: - lttng_remove_context_field(ctx, field); -error_context: - lttng_ust_destroy_type(type); return ret; }