Files
WheelTimer/WheelTimer/libtimer/gluethread/glthread.h
2020-10-14 13:42:23 -07:00

105 lines
3.7 KiB
C

/*
* =====================================================================================
*
* Filename: glthread.h
*
* Description: This file defines the Data structure and APIs for Glue thread
*
* Version: 1.0
* Created: Monday 12 March 2018 02:01:51 IST
* Revision: 1.0
* Compiler: gcc
*
* Author: Er. Abhishek Sagar, Networking Developer (AS), sachinites@gmail.com
* Company: Brocade Communications(Jul 2012- Mar 2016), Current : Juniper Networks(Apr 2017 - Present)
*
* This file is part of the SPFComputation distribution (https://github.com/sachinites).
* Copyright (c) 2017 Abhishek Sagar.
* 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, version 3.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* =====================================================================================
*/
#ifndef __GLUETHREAD__
#define __GLUETHREAD__
typedef struct _glthread{
struct _glthread *left;
struct _glthread *right;
} glthread_t;
void
glthread_add_next(glthread_t *base_glthread, glthread_t *new_glthread);
void
glthread_add_before(glthread_t *base_glthread, glthread_t *new_glthread);
void
remove_glthread(glthread_t *glthread);
void
init_glthread(glthread_t *glthread);
void
glthread_add_last(glthread_t *base_glthread, glthread_t *new_glthread);
#define IS_GLTHREAD_LIST_EMPTY(glthreadptr) \
((glthreadptr)->right == 0 && (glthreadptr)->left == 0)
#define GLTHREAD_TO_STRUCT(fn_name, structure_name, field_name) \
static inline structure_name * fn_name(glthread_t *glthreadptr){ \
return (structure_name *)((char *)(glthreadptr) - (char *)&(((structure_name *)0)->field_name)); \
}
/* delete safe loop*/
/*Normal continue and break can be used with this loop macro*/
#define BASE(glthreadptr) ((glthreadptr)->right)
#define ITERATE_GLTHREAD_BEGIN(glthreadptrstart, glthreadptr) \
{ \
glthread_t *_glthread_ptr = NULL; \
glthreadptr = BASE(glthreadptrstart); \
for(; glthreadptr!= NULL; glthreadptr = _glthread_ptr){ \
_glthread_ptr = (glthreadptr)->right;
#define ITERATE_GLTHREAD_END(glthreadptrstart, glthreadptr) \
}}
#define GLTHREAD_GET_USER_DATA_FROM_OFFSET(glthreadptr, offset) \
(void *)((char *)(glthreadptr) - offset)
void
delete_glthread_list(glthread_t *base_glthread);
unsigned int
get_glthread_list_count(glthread_t *base_glthread);
void
glthread_priority_insert(glthread_t *base_glthread,
glthread_t *glthread,
int (*comp_fn)(void *, void *),
int offset);
#if 0
void *
gl_thread_search(glthread_t *base_glthread,
void *(*thread_to_struct_fn)(glthread_t *),
void *key,
int (*comparison_fn)(void *, void *));
#endif
#endif /* __GLUETHREAD__ */