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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* File: err.c
* Author: Shaun Wetzstein <shaun@us.ibm.com>
* Descr: Error container
* Date: 04/04/12
*/
#include <errno.h>
#include <assert.h>
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <execinfo.h>
#include "attribute.h"
#include "min.h"
#include "err.h"
static pthread_key_t __err_key = 0;
static const char *__err_type_name[] = {
[ERR_NONE] = "none",
[ERR_ERRNO] = "errno",
[ERR_UNEXPECTED] = "unexpected",
[ERR_VERSION] = "version",
};
/* =======================================================================*/
void err_delete(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
memset(self, 0, sizeof(*self));
free(self);
return;
}
err_t *err_get(void)
{
list_t *list = (list_t *) pthread_getspecific(__err_key);
err_t *self = NULL;
if (list != NULL) {
self = container_of(list_remove_tail(list), err_t, node);
if (list_empty(list)) {
free(list), list = NULL;
assert(pthread_setspecific(__err_key, list) == 0);
}
}
return self;
}
void err_put(err_t * self)
{
assert(self != NULL);
list_t *list = pthread_getspecific(__err_key);
if (list == NULL) {
list = (list_t *) malloc(sizeof(*list));
assert(list != NULL);
list_init(list);
assert(pthread_setspecific(__err_key, list) == 0);
}
list_add_head(list, &self->node);
return;
}
int err_type1(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return self->type;
}
void err_type2(err_t * self, int type)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
self->type = type;
}
int err_code1(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return self->code;
}
void err_code2(err_t * self, int code)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
self->code = code;
return;
}
const char *err_file1(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return self->file;
}
void err_file2(err_t * self, const char *file)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
self->file = file;
return;
}
int err_line1(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return self->line;
}
void err_line2(err_t * self, int line)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
self->line = line;
return;
}
const void *err_data1(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return self->data;
}
void err_data2(err_t * self, int size, const void *data)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
self->size = min(size, ERR_DATA_SIZE);
memcpy(self->data, data, self->size);
return;
}
int err_size(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return self->size;
}
const char *err_type_name(err_t * self)
{
assert(self != NULL);
assert(self->magic == ERR_MAGIC);
return __err_type_name[self->type];
}
/* =======================================================================*/
__constructor static void __err__ctor__(void)
{
assert(pthread_key_create(&__err_key, NULL) == 0);
}
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