Add 'ctf_unused' tracepoint field type

[lttng-ust.git] / liblttng-ust / lttng-context-vgid.c

diff --git a/liblttng-ust/lttng-context-vgid.c b/liblttng-ust/lttng-context-vgid.c
index ac298ae2cda37bd790a58b29ef827ebc93c628f1..17026112948968fe3edb0fb64c24e5e2f7f96a2a 100644 (file)
--- a/liblttng-ust/lttng-context-vgid.c
+++ b/liblttng-ust/lttng-context-vgid.c
@@ -62,7 +62,8 @@ void lttng_context_vgid_reset(void)
 }
 
 static
-size_t vgid_get_size(struct lttng_ust_ctx_field *field, size_t offset)
+size_t vgid_get_size(struct lttng_ust_ctx_field *field __attribute__((unused)),
+               size_t offset)
 {
        size_t size = 0;
 
@@ -72,19 +73,18 @@ size_t vgid_get_size(struct lttng_ust_ctx_field *field, size_t offset)
 }
 
 static
-void vgid_record(struct lttng_ust_ctx_field *field,
+void vgid_record(struct lttng_ust_ctx_field *field __attribute__((unused)),
                 struct lttng_ust_lib_ring_buffer_ctx *ctx,
                 struct lttng_ust_channel_buffer *chan)
 {
        gid_t vgid;
 
        vgid = get_vgid();
-       lttng_ust_lib_ring_buffer_align_ctx(ctx, lttng_ust_rb_alignof(vgid));
-       chan->ops->event_write(ctx, &vgid, sizeof(vgid));
+       chan->ops->event_write(ctx, &vgid, sizeof(vgid), lttng_ust_rb_alignof(vgid));
 }
 
 static
-void vgid_get_value(struct lttng_ust_ctx_field *field,
+void vgid_get_value(struct lttng_ust_ctx_field *field __attribute__((unused)),
                struct lttng_ust_ctx_value *value)
 {
        value->u.s64 = get_vgid();