Rename "tsc" to "timestamp"

[lttng-modules.git] / lttng-context.c

diff --git a/lttng-context.c b/lttng-context.c
deleted file mode 100644 (file)
index 17d819d..0000000
--- a/lttng-context.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * lttng-context.c
- *
- * LTTng trace/channel/event context management.
- *
- * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include "wrapper/vmalloc.h"   /* for wrapper_vmalloc_sync_all() */
-#include "lttng-events.h"
-#include "lttng-tracer.h"
-
-int lttng_find_context(struct lttng_ctx *ctx, const char *name)
-{
-       unsigned int i;
-
-       for (i = 0; i < ctx->nr_fields; i++) {
-               /* Skip allocated (but non-initialized) contexts */
-               if (!ctx->fields[i].event_field.name)
-                       continue;
-               if (!strcmp(ctx->fields[i].event_field.name, name))
-                       return 1;
-       }
-       return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_find_context);
-
-/*
- * Note: as we append context information, the pointer location may change.
- */
-struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p)
-{
-       struct lttng_ctx_field *field;
-       struct lttng_ctx *ctx;
-
-       if (!*ctx_p) {
-               *ctx_p = kzalloc(sizeof(struct lttng_ctx), GFP_KERNEL);
-               if (!*ctx_p)
-                       return NULL;
-       }
-       ctx = *ctx_p;
-       if (ctx->nr_fields + 1 > ctx->allocated_fields) {
-               struct lttng_ctx_field *new_fields;
-
-               ctx->allocated_fields = max_t(size_t, 1, 2 * ctx->allocated_fields);
-               new_fields = kzalloc(ctx->allocated_fields * sizeof(struct lttng_ctx_field), GFP_KERNEL);
-               if (!new_fields)
-                       return NULL;
-               if (ctx->fields)
-                       memcpy(new_fields, ctx->fields, sizeof(*ctx->fields) * ctx->nr_fields);
-               kfree(ctx->fields);
-               ctx->fields = new_fields;
-       }
-       field = &ctx->fields[ctx->nr_fields];
-       ctx->nr_fields++;
-       return field;
-}
-EXPORT_SYMBOL_GPL(lttng_append_context);
-
-/*
- * Remove last context field.
- */
-void lttng_remove_context_field(struct lttng_ctx **ctx_p,
-                               struct lttng_ctx_field *field)
-{
-       struct lttng_ctx *ctx;
-
-       ctx = *ctx_p;
-       ctx->nr_fields--;
-       WARN_ON_ONCE(&ctx->fields[ctx->nr_fields] != field);
-       memset(&ctx->fields[ctx->nr_fields], 0, sizeof(struct lttng_ctx_field));
-}
-EXPORT_SYMBOL_GPL(lttng_remove_context_field);
-
-void lttng_destroy_context(struct lttng_ctx *ctx)
-{
-       int i;
-
-       if (!ctx)
-               return;
-       for (i = 0; i < ctx->nr_fields; i++) {
-               if (ctx->fields[i].destroy)
-                       ctx->fields[i].destroy(&ctx->fields[i]);
-       }
-       kfree(ctx->fields);
-       kfree(ctx);
-}