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Diffstat (limited to 'include/ouroboros/shm_rbuff.h')
| -rw-r--r-- | include/ouroboros/shm_rbuff.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/ouroboros/shm_rbuff.h b/include/ouroboros/shm_rbuff.h new file mode 100644 index 00000000..4c4e8c64 --- /dev/null +++ b/include/ouroboros/shm_rbuff.h @@ -0,0 +1,53 @@ +/* + * Ouroboros - Copyright (C) 2016 + * + * Ring buffer for incoming SDUs + * + * Dimitri Staessens <dimitri.staessens@intec.ugent.be> + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef OUROBOROS_SHM_RBUFF_H +#define OUROBOROS_SHM_RBUFF_H + +#include <sys/types.h> +#include <sys/time.h> + +struct shm_rbuff; + +struct shm_rbuff * shm_rbuff_create(pid_t api, int port_id); + +struct shm_rbuff * shm_rbuff_open(pid_t api, int port_id); + +void shm_rbuff_close(struct shm_rbuff * rb); + +void shm_rbuff_destroy(struct shm_rbuff * rb); + +int shm_rbuff_block(struct shm_rbuff * rb); + +void shm_rbuff_unblock(struct shm_rbuff * rb); + +int shm_rbuff_write(struct shm_rbuff * rb, + ssize_t idx); + +ssize_t shm_rbuff_read(struct shm_rbuff * rb); + +ssize_t shm_rbuff_read_b(struct shm_rbuff * rb, + const struct timespec * timeout); + +void shm_rbuff_reset(struct shm_rbuff * rb); + +#endif /* OUROBOROS_SHM_RBUFF_H */ |