X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=liblttng-ust%2Flttng-context-vtid.c;h=3530d2668757269d6139369bbae19b0a14912c1f;hb=f26f2f9bb496a2dc053095310ab8d42b63a3b556;hp=feb253d08b6d57c69f37d01be5cb2917345c1f0a;hpb=c0c0989ab70574e09b2f7e8b48c2da6af664a849;p=lttng-ust.git diff --git a/liblttng-ust/lttng-context-vtid.c b/liblttng-ust/lttng-context-vtid.c index feb253d0..3530d266 100644 --- a/liblttng-ust/lttng-context-vtid.c +++ b/liblttng-ust/lttng-context-vtid.c @@ -7,14 +7,17 @@ */ #define _LGPL_SOURCE +#include #include #include #include #include #include -#include -#include +#include +#include #include + +#include "context-internal.h" #include "lttng-tracer-core.h" /* @@ -34,11 +37,12 @@ void lttng_context_vtid_reset(void) } static -size_t vtid_get_size(struct lttng_ctx_field *field, size_t offset) +size_t vtid_get_size(void *priv __attribute__((unused)), + size_t offset) { size_t size = 0; - size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); + size += lttng_ust_lib_ring_buffer_align(offset, lttng_ust_rb_alignof(pid_t)); size += sizeof(pid_t); return size; } @@ -57,47 +61,49 @@ pid_t wrapper_getvtid(void) } static -void vtid_record(struct lttng_ctx_field *field, +void vtid_record(void *priv __attribute__((unused)), struct lttng_ust_lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) + struct lttng_ust_channel_buffer *chan) { pid_t vtid = wrapper_getvtid(); - lib_ring_buffer_align_ctx(ctx, lttng_alignof(vtid)); - chan->ops->event_write(ctx, &vtid, sizeof(vtid)); + chan->ops->event_write(ctx, &vtid, sizeof(vtid), lttng_ust_rb_alignof(vtid)); } static -void vtid_get_value(struct lttng_ctx_field *field, - struct lttng_ctx_value *value) +void vtid_get_value(void *priv __attribute__((unused)), + struct lttng_ust_ctx_value *value) { value->u.s64 = wrapper_getvtid(); } -int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx) +static const struct lttng_ust_ctx_field *ctx_field = lttng_ust_static_ctx_field( + lttng_ust_static_event_field("vtid", + lttng_ust_static_type_integer(sizeof(pid_t) * CHAR_BIT, + lttng_ust_rb_alignof(pid_t) * CHAR_BIT, + lttng_ust_is_signed_type(pid_t), + BYTE_ORDER, 10), + false, false), + vtid_get_size, + vtid_record, + vtid_get_value, + NULL, NULL); + +int lttng_add_vtid_to_ctx(struct lttng_ust_ctx **ctx) { - struct lttng_ctx_field *field; - - field = lttng_append_context(ctx); - if (!field) - return -ENOMEM; - if (lttng_find_context(*ctx, "vtid")) { - lttng_remove_context_field(ctx, field); - return -EEXIST; + int ret; + + if (lttng_find_context(*ctx, ctx_field->event_field->name)) { + ret = -EEXIST; + goto error_find_context; } - field->event_field.name = "vtid"; - 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 = vtid_get_size; - field->record = vtid_record; - field->get_value = vtid_get_value; - lttng_context_update(*ctx); + ret = lttng_ust_context_append(ctx, ctx_field); + if (ret) + return ret; return 0; + +error_find_context: + return ret; } /*