diff options
Diffstat (limited to 'lf_ring_buffer.h')
-rw-r--r-- | lf_ring_buffer.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/lf_ring_buffer.h b/lf_ring_buffer.h deleted file mode 100644 index 14a1aec..0000000 --- a/lf_ring_buffer.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * File : lf_ring_buffer.h - * Author : Jérémy Zurcher <jeremy@asynk.ch> - * Date : 05/01/010 - * License : - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#ifndef _LF_RING_BUFFER_H_ -#define _LF_RING_BUFFER_H_ - -# ifdef __cplusplus -extern "C" { -# endif /* __cplusplus */ - -#include <sys/types.h> -#include "lf_ring_buffer_data.h" - -#define LFRB_NO_BLOCK 1 /* if buffer is full, leave instead of try again and again */ -#define IS_NOT_BLOCKING( flags ) ( (flags)&LFRB_NO_BLOCK ) - -typedef struct ring_buffer { - LFRB_BUFFER_TYPE *buffer; /* buffer data */ - size_t n_buf; /* number of buffers */ - int read_from; /* index where to read data from */ - int write_to; /* index where to write data to */ -} lf_ring_buffer_t; - -/* return an initialized lf_ring_buffer_t struct */ -lf_ring_buffer_t* lf_ring_buffer_create( size_t n_buf ); - -/* destroy an lf_ring_buffer_t struct */ -void lf_ring_buffer_destroy( lf_ring_buffer_t *r ); - -/* return 1 if is empty */ -int lf_ring_buffer_empty( lf_ring_buffer_t *r ); - -/* write data into the ring buffer - * return 0 on success - * return -1 if IS_NOT_BLOCKING and buffer is full - */ -int lf_ring_buffer_write( lf_ring_buffer_t *r, void *data, int flags ); - -/* read data from the ring buffer - * return 0 on success - * return -1 if IS_NOT_BLOCKING and buffer is empty - */ -int lf_ring_buffer_read( lf_ring_buffer_t *r, void *data, int flags ); - -# ifdef __cplusplus -} -# endif /* __cplusplus */ - -# endif /* _LF_RING_BUFFER_H_ */ |