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105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/*
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* =====================================================================================
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*
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* Filename: glthread.h
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*
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* Description: This file defines the Data structure and APIs for Glue thread
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*
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* Version: 1.0
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* Created: Monday 12 March 2018 02:01:51 IST
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* Revision: 1.0
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* Compiler: gcc
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*
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* Author: Er. Abhishek Sagar, Networking Developer (AS), sachinites@gmail.com
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* Company: Brocade Communications(Jul 2012- Mar 2016), Current : Juniper Networks(Apr 2017 - Present)
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*
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* This file is part of the SPFComputation distribution (https://github.com/sachinites).
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* Copyright (c) 2017 Abhishek Sagar.
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* =====================================================================================
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*/
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#ifndef __GLUETHREAD__
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#define __GLUETHREAD__
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typedef struct _glthread{
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struct _glthread *left;
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struct _glthread *right;
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} glthread_t;
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void
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glthread_add_next(glthread_t *base_glthread, glthread_t *new_glthread);
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void
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glthread_add_before(glthread_t *base_glthread, glthread_t *new_glthread);
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void
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remove_glthread(glthread_t *glthread);
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void
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init_glthread(glthread_t *glthread);
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void
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glthread_add_last(glthread_t *base_glthread, glthread_t *new_glthread);
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#define IS_GLTHREAD_LIST_EMPTY(glthreadptr) \
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((glthreadptr)->right == 0 && (glthreadptr)->left == 0)
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#define GLTHREAD_TO_STRUCT(fn_name, structure_name, field_name) \
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static inline structure_name * fn_name(glthread_t *glthreadptr){ \
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return (structure_name *)((char *)(glthreadptr) - (char *)&(((structure_name *)0)->field_name)); \
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}
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/* delete safe loop*/
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/*Normal continue and break can be used with this loop macro*/
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#define BASE(glthreadptr) ((glthreadptr)->right)
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#define ITERATE_GLTHREAD_BEGIN(glthreadptrstart, glthreadptr) \
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{ \
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glthread_t *_glthread_ptr = NULL; \
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glthreadptr = BASE(glthreadptrstart); \
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for(; glthreadptr!= NULL; glthreadptr = _glthread_ptr){ \
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_glthread_ptr = (glthreadptr)->right;
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#define ITERATE_GLTHREAD_END(glthreadptrstart, glthreadptr) \
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}}
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#define GLTHREAD_GET_USER_DATA_FROM_OFFSET(glthreadptr, offset) \
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(void *)((char *)(glthreadptr) - offset)
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void
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delete_glthread_list(glthread_t *base_glthread);
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unsigned int
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get_glthread_list_count(glthread_t *base_glthread);
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void
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glthread_priority_insert(glthread_t *base_glthread,
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glthread_t *glthread,
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int (*comp_fn)(void *, void *),
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int offset);
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#if 0
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void *
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gl_thread_search(glthread_t *base_glthread,
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void *(*thread_to_struct_fn)(glthread_t *),
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void *key,
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int (*comparison_fn)(void *, void *));
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#endif
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#endif /* __GLUETHREAD__ */
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