X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Findex-allocator.c;fp=src%2Fcommon%2Findex-allocator.c;h=0000000000000000000000000000000000000000;hp=8c73218a950d5275ac70d163ace4893cb53439ea;hb=a6bc4ca9d659caf016ef932fcd944029737ac57c;hpb=97535efaa975ca52bf02c2d5e76351bfd2e3defa

diff --git a/src/common/index-allocator.c b/src/common/index-allocator.c
deleted file mode 100644
index 8c73218a9..000000000
--- a/src/common/index-allocator.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#include <inttypes.h>
-
-#include <urcu.h>
-#include <urcu/list.h>
-
-#include "macros.h"
-#include "error.h"
-
-#include "index-allocator.h"
-
-struct lttng_index_allocator {
-	struct cds_list_head unused_list;
-	uint64_t size;
-	uint64_t position;
-	uint64_t nb_allocated_indexes;
-};
-
-struct lttng_index {
-	uint64_t index;
-	struct cds_list_head head;
-};
-
-struct lttng_index_allocator *lttng_index_allocator_create(
-		uint64_t index_count)
-{
-	struct lttng_index_allocator *allocator = NULL;
-
-	allocator = zmalloc(sizeof(*allocator));
-	if (!allocator) {
-		PERROR("Failed to allocate index allocator");
-		goto end;
-	}
-
-	allocator->size = index_count;
-	allocator->position = 0;
-	allocator->nb_allocated_indexes = 0;
-
-	CDS_INIT_LIST_HEAD(&allocator->unused_list);
-
-end:
-	return allocator;
-}
-
-uint64_t lttng_index_allocator_get_index_count(struct lttng_index_allocator *allocator)
-{
-	return allocator->nb_allocated_indexes;
-}
-
-enum lttng_index_allocator_status lttng_index_allocator_alloc(
-		struct lttng_index_allocator *allocator,
-		uint64_t *allocated_index)
-{
-	enum lttng_index_allocator_status status =
-			LTTNG_INDEX_ALLOCATOR_STATUS_OK;
-
-	if (cds_list_empty(&allocator->unused_list)) {
-		if (allocator->position >= allocator->size) {
-			/* No indices left. */
-			status = LTTNG_INDEX_ALLOCATOR_STATUS_EMPTY;
-			goto end;
-		}
-
-		*allocated_index = allocator->position++;
-	} else {
-		struct lttng_index *index;
-
-		index = cds_list_first_entry(&allocator->unused_list,
-				typeof(*index), head);
-		cds_list_del(&index->head);
-		*allocated_index = index->index;
-		free(index);
-	}
-
-	allocator->nb_allocated_indexes++;
-end:
-	return status;
-}
-
-enum lttng_index_allocator_status lttng_index_allocator_release(
-		struct lttng_index_allocator *allocator, uint64_t idx)
-{
-	struct lttng_index *index = NULL;
-	enum lttng_index_allocator_status status =
-			LTTNG_INDEX_ALLOCATOR_STATUS_OK;
-
-	LTTNG_ASSERT(idx < allocator->size);
-
-	index = zmalloc(sizeof(*index));
-	if (!index) {
-		PERROR("Failed to allocate free index queue");
-		status = LTTNG_INDEX_ALLOCATOR_STATUS_ERROR;
-		goto end;
-	}
-
-	index->index = idx;
-	cds_list_add_tail(&index->head, &allocator->unused_list);
-	allocator->nb_allocated_indexes--;
-
-end:
-	return status;
-}
-
-void lttng_index_allocator_destroy(struct lttng_index_allocator *allocator)
-{
-	struct lttng_index *index = NULL, *tmp_index = NULL;
-
-	if (!allocator) {
-		return;
-	}
-
-	if (lttng_index_allocator_get_index_count(allocator) > 0) {
-		WARN("Destroying index allocator with %" PRIu64
-				" slot indexes still in use",
-				lttng_index_allocator_get_index_count(allocator));
-	}
-
-	cds_list_for_each_entry_safe(index, tmp_index,
-			&allocator->unused_list, head) {
-		cds_list_del(&index->head);
-		free(index);
-	}
-
-	free(allocator);
-}