ocf/env/posix/ocf_env.c
Slawomir_Jankowski 679bc38770 OCF Cleanup
**ocf_env**: deleting unused functions from main file

Signed-off-by: Slawomir_Jankowski <slawomir.jankowski@intel.com>
2019-08-09 14:45:29 +02:00

138 lines
2.6 KiB
C

/*
* Copyright(c) 2019 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause-Clear
*/
#include "ocf_env.h"
#include <sched.h>
#include <execinfo.h>
struct _env_allocator {
/*!< Memory pool ID unique name */
char *name;
/*!< Size of specific item of memory pool */
uint32_t item_size;
/*!< Number of currently allocated items in pool */
env_atomic count;
};
static inline size_t env_allocator_align(size_t size)
{
if (size <= 2)
return size;
return (1ULL << 32) >> __builtin_clz(size - 1);
}
struct _env_allocator_item {
uint32_t flags;
uint32_t cpu;
char data[];
};
void *env_allocator_new(env_allocator *allocator)
{
struct _env_allocator_item *item = NULL;
item = calloc(1, allocator->item_size);
if (item) {
item->cpu = 0;
env_atomic_inc(&allocator->count);
}
return &item->data;
}
env_allocator *env_allocator_create(uint32_t size, const char *fmt_name, ...)
{
char name[OCF_ALLOCATOR_NAME_MAX] = { '\0' };
int result, error = -1;
va_list args;
env_allocator *allocator = calloc(1, sizeof(*allocator));
if (!allocator) {
error = __LINE__;
goto err;
}
allocator->item_size = size + sizeof(struct _env_allocator_item);
/* Format allocator name */
va_start(args, fmt_name);
result = vsnprintf(name, sizeof(name), fmt_name, args);
va_end(args);
if ((result > 0) && (result < sizeof(name))) {
allocator->name = strdup(name);
if (!allocator->name) {
error = __LINE__;
goto err;
}
} else {
/* Formated string name exceed max allowed size of name */
error = __LINE__;
goto err;
}
return allocator;
err:
printf("Cannot create memory allocator, ERROR %d", error);
env_allocator_destroy(allocator);
return NULL;
}
void env_allocator_del(env_allocator *allocator, void *obj)
{
struct _env_allocator_item *item =
container_of(obj, struct _env_allocator_item, data);
env_atomic_dec(&allocator->count);
free(item);
}
void env_allocator_destroy(env_allocator *allocator)
{
if (allocator) {
if (env_atomic_read(&allocator->count)) {
printf("Not all objects deallocated\n");
ENV_WARN(true, OCF_PREFIX_SHORT" Cleanup problem\n");
}
free(allocator->name);
free(allocator);
}
}
/* *** DEBUGING *** */
#define ENV_TRACE_DEPTH 16
void env_stack_trace(void)
{
void *trace[ENV_TRACE_DEPTH];
char **messages = NULL;
int i, size;
size = backtrace(trace, ENV_TRACE_DEPTH);
messages = backtrace_symbols(trace, size);
printf("[stack trace]>>>\n");
for (i = 0; i < size; ++i)
printf("%s\n", messages[i]);
printf("<<<[stack trace]\n");
free(messages);
}
/* *** CRC *** */
uint32_t env_crc32(uint32_t crc, uint8_t const *data, size_t len)
{
return crc32(crc, data, len);
}