X-Git-Url: https://git.lttng.org/?p=lttng-modules.git;a=blobdiff_plain;f=src%2Flttng-context-suid.c;h=9a03468d363356e91b3bab94b3420e3d94b1ca2f;hp=86cbb9e17d6922146952900d90809f1368afac3e;hb=437d5aa59380583ce1cd14d394a53b398be1275d;hpb=d96a4a7a78319be3386b57d9068817e9ffac2a24 diff --git a/src/lttng-context-suid.c b/src/lttng-context-suid.c index 86cbb9e1..9a03468d 100644 --- a/src/lttng-context-suid.c +++ b/src/lttng-context-suid.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -28,7 +29,7 @@ size_t suid_get_size(size_t offset) } static -void suid_record(struct lttng_ctx_field *field, +void suid_record(struct lttng_kernel_ctx_field *field, struct lib_ring_buffer_ctx *ctx, struct lttng_channel *chan) { @@ -40,37 +41,31 @@ void suid_record(struct lttng_ctx_field *field, } static -void suid_get_value(struct lttng_ctx_field *field, +void suid_get_value(struct lttng_kernel_ctx_field *field, struct lttng_probe_ctx *lttng_probe_ctx, union lttng_ctx_value *value) { value->s64 = lttng_current_suid(); } -int lttng_add_suid_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("suid", + lttng_kernel_static_type_integer_from_type(uid_t, __BYTE_ORDER, 10), + false, false, false), + suid_get_size, + NULL, + suid_record, + suid_get_value, + NULL, NULL); + +int lttng_add_suid_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, "suid")) { - lttng_remove_context_field(ctx, field); + if (lttng_kernel_find_context(*ctx, ctx_field->event_field->name)) return -EEXIST; - } - field->event_field.name = "suid"; - 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_kernel_string_encoding_none; - field->get_size = suid_get_size; - field->record = suid_record; - field->get_value = suid_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_suid_to_ctx);