diff options
Diffstat (limited to 'hifi/xaf/hifi-dpf/include/lib/mutex.h')
-rw-r--r-- | hifi/xaf/hifi-dpf/include/lib/mutex.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/hifi/xaf/hifi-dpf/include/lib/mutex.h b/hifi/xaf/hifi-dpf/include/lib/mutex.h deleted file mode 100644 index 2aef0f6e..00000000 --- a/hifi/xaf/hifi-dpf/include/lib/mutex.h +++ /dev/null @@ -1,59 +0,0 @@ -/******************************************************************************* -* Copyright (C) 2018 Cadence Design Systems, Inc. -* -* Permission is hereby granted, free of charge, to any person obtaining -* a copy of this software and associated documentation files (the -* "Software"), to use this Software with Cadence processor cores only and -* not with any other processors and platforms, 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. - -******************************************************************************/ - -/******************************************************************************* - * mutex.h - * - * - * Implementation of "non-robust" Szymanski linear-waiting algorithm. Types of - * failures tolerated by Szymanski's "robust" algorithm are not specific for - * Xtensa DSP cluster and therefore more lightweight version of the algorithm - * is used. FIFO servicing property is of low importance, and faster/smaller - * version with linear-wait property is preferable. - * - * We assume there is just a single mutex in the system, and all communication - * variables are defined somewhere in board-specific headers and imported here - * by means of macros MUTEX_SHARED_READ/WRITE. - ******************************************************************************/ - -#ifndef __MUTEX_H -#define __MUTEX_H - -/******************************************************************************* - * Imported macros - ******************************************************************************/ - -#if !defined(MUTEX_SHARED_READ) || !defined(MUTEX_SHARED_WRITE) -#error "Macros MUTEX_SHARED_READ and/or MUTEX_SHARED_WRITE not defined" -#endif - -/******************************************************************************* - * Entry points - ******************************************************************************/ - -/* ...acquire global mutex from i-th core */ -extern void mutex_lock(u32 i); - -/* ...release global mutex from i-th core */ -extern void mutex_unlock(u32 i); - -#endif /* __MUTEX_H */ |