/* * 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 */