Refactoring: hide internal fields of ring buffer context

[lttng-ust.git] / libringbuffer / backend.h

diff --git a/libringbuffer/backend.h b/libringbuffer/backend.h
index 2fe06cefd56f2c146b128762f9268c85101c5946..fff4f9ec7b11ffdc69d75f3f418e92452c814a98 100644 (file)
--- a/libringbuffer/backend.h
+++ b/libringbuffer/backend.h
@@ -68,9 +68,10 @@ void lib_ring_buffer_write(const struct lttng_ust_lib_ring_buffer_config *config
                           struct lttng_ust_lib_ring_buffer_ctx *ctx,
                           const void *src, size_t len)
 {
-       struct channel_backend *chanb = &ctx->chan->backend;
-       struct lttng_ust_shm_handle *handle = ctx->chan->handle;
-       size_t offset = ctx->buf_offset;
+       struct lttng_ust_lib_ring_buffer_ctx_private *ctx_private = ctx->priv;
+       struct channel_backend *chanb = &ctx_private->chan->backend;
+       struct lttng_ust_shm_handle *handle = ctx_private->chan->handle;
+       size_t offset = ctx_private->buf_offset;
        struct lttng_ust_lib_ring_buffer_backend_pages *backend_pages;
        void *p;
 
@@ -90,7 +91,7 @@ void lib_ring_buffer_write(const struct lttng_ust_lib_ring_buffer_config *config
        if (caa_unlikely(!p))
                return;
        lib_ring_buffer_do_copy(config, p, src, len);
-       ctx->buf_offset += len;
+       ctx_private->buf_offset += len;
 }
 
 /*
@@ -139,10 +140,11 @@ void lib_ring_buffer_strcpy(const struct lttng_ust_lib_ring_buffer_config *confi
                           struct lttng_ust_lib_ring_buffer_ctx *ctx,
                           const char *src, size_t len, char pad)
 {
-       struct channel_backend *chanb = &ctx->chan->backend;
-       struct lttng_ust_shm_handle *handle = ctx->chan->handle;
+       struct lttng_ust_lib_ring_buffer_ctx_private *ctx_private = ctx->priv;
+       struct channel_backend *chanb = &ctx_private->chan->backend;
+       struct lttng_ust_shm_handle *handle = ctx_private->chan->handle;
        size_t count;
-       size_t offset = ctx->buf_offset;
+       size_t offset = ctx_private->buf_offset;
        struct lttng_ust_lib_ring_buffer_backend_pages *backend_pages;
        void *p;
 
@@ -179,7 +181,7 @@ void lib_ring_buffer_strcpy(const struct lttng_ust_lib_ring_buffer_config *confi
        if (caa_unlikely(!p))
                return;
        lib_ring_buffer_do_memset(p, '\0', 1);
-       ctx->buf_offset += len;
+       ctx_private->buf_offset += len;
 }
 
 /**
@@ -203,10 +205,11 @@ void lib_ring_buffer_pstrcpy(const struct lttng_ust_lib_ring_buffer_config *conf
                           struct lttng_ust_lib_ring_buffer_ctx *ctx,
                           const char *src, size_t len, char pad)
 {
-       struct channel_backend *chanb = &ctx->chan->backend;
-       struct lttng_ust_shm_handle *handle = ctx->chan->handle;
+       struct lttng_ust_lib_ring_buffer_ctx_private *ctx_private = ctx->priv;
+       struct channel_backend *chanb = &ctx_private->chan->backend;
+       struct lttng_ust_shm_handle *handle = ctx_private->chan->handle;
        size_t count;
-       size_t offset = ctx->buf_offset;
+       size_t offset = ctx_private->buf_offset;
        struct lttng_ust_lib_ring_buffer_backend_pages *backend_pages;
        void *p;
 
@@ -237,7 +240,7 @@ void lib_ring_buffer_pstrcpy(const struct lttng_ust_lib_ring_buffer_config *conf
                        return;
                lib_ring_buffer_do_memset(p, pad, pad_len);
        }
-       ctx->buf_offset += len;
+       ctx_private->buf_offset += len;
 }
 
 /*