X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flttng-context-gid.c;h=f00840794a6b590cd1c52ac4ace39c2b9c4ae65f;hb=f7d06400be7d046205c20277a03f3f31bf5b1703;hp=5620469d386d2f12523c16abdd063b5bf3065c8d;hpb=cfa6cc1d0f01c2cfcc1a679abf3a6572d411c309;p=lttng-modules.git diff --git a/src/lttng-context-gid.c b/src/lttng-context-gid.c index 5620469d..f0084079 100644 --- a/src/lttng-context-gid.c +++ b/src/lttng-context-gid.c @@ -12,13 +12,14 @@ #include #include #include +#include #include #include #include #include static -size_t gid_get_size(size_t offset) +size_t gid_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset) { size_t size = 0; @@ -28,9 +29,9 @@ size_t gid_get_size(size_t offset) } static -void gid_record(struct lttng_ctx_field *field, - struct lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) +void gid_record(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, + struct lttng_kernel_ring_buffer_ctx *ctx, + struct lttng_kernel_channel_buffer *chan) { gid_t gid; @@ -40,37 +41,30 @@ void gid_record(struct lttng_ctx_field *field, } static -void gid_get_value(struct lttng_ctx_field *field, - struct lttng_probe_ctx *lttng_probe_ctx, - union lttng_ctx_value *value) +void gid_get_value(void *priv, + struct lttng_kernel_probe_ctx *lttng_probe_ctx, + struct lttng_ctx_value *value) { - value->s64 = lttng_current_gid(); + value->u.s64 = lttng_current_gid(); } -int lttng_add_gid_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("gid", + lttng_kernel_static_type_integer_from_type(gid_t, __BYTE_ORDER, 10), + false, false, false), + gid_get_size, + gid_record, + gid_get_value, + NULL, NULL); + +int lttng_add_gid_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, "gid")) { - lttng_remove_context_field(ctx, field); + if (lttng_kernel_find_context(*ctx, ctx_field->event_field->name)) return -EEXIST; - } - field->event_field.name = "gid"; - field->event_field.type.atype = atype_integer; - field->event_field.type.u.integer.size = sizeof(gid_t) * CHAR_BIT; - field->event_field.type.u.integer.alignment = lttng_alignof(gid_t) * CHAR_BIT; - field->event_field.type.u.integer.signedness = lttng_is_signed_type(gid_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 = gid_get_size; - field->record = gid_record; - field->get_value = gid_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_gid_to_ctx);