diff options
Diffstat (limited to 'src/irmd/proc_table.h')
-rw-r--r-- | src/irmd/proc_table.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/irmd/proc_table.h b/src/irmd/proc_table.h new file mode 100644 index 00000000..f95649ba --- /dev/null +++ b/src/irmd/proc_table.h @@ -0,0 +1,83 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * 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 */ |