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/*
* Ouroboros - Copyright (C) 2016 - 2018
*
* The IPC Resource Manager - Process Table
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_IRMD_PROC_TABLE_H
#define OUROBOROS_IRMD_PROC_TABLE_H
#include "time.h"
#include "utils.h"
#include <unistd.h>
#include <pthread.h>
enum proc_state {
PROC_NULL = 0,
PROC_INIT,
PROC_SLEEP,
PROC_WAKE,
PROC_DESTROY
};
struct proc_entry {
struct list_head next;
pid_t pid;
char * prog; /* program instantiated */
char * daf_name; /* DAF this process belongs to */
struct list_head names; /* names for which process accepts flows */
struct reg_entry * re; /* reg_entry for which a flow arrived */
/* The process will block on this */
enum proc_state state;
pthread_cond_t cond;
pthread_mutex_t lock;
};
struct proc_entry * proc_entry_create(pid_t proc,
char * prog);
void proc_entry_destroy(struct proc_entry * e);
int proc_entry_sleep(struct proc_entry * e,
struct timespec * timeo);
void proc_entry_wake(struct proc_entry * e,
struct reg_entry * re);
void proc_entry_cancel(struct proc_entry * e);
int proc_entry_add_name(struct proc_entry * e,
char * name);
void proc_entry_del_name(struct proc_entry * e,
const char * name);
int proc_table_add(struct list_head * proc_table,
struct proc_entry * e);
void proc_table_del(struct list_head * proc_table,
pid_t pid);
struct proc_entry * proc_table_get(struct list_head * proc_table,
pid_t pid);
#endif /* OUROBOROS_IRMD_PROC_TABLE_H */
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