From 570a57c7abc1a0f0e48698821e0061dd2e807dc5 Mon Sep 17 00:00:00 2001 From: dianlujitao Date: Sun, 2 Feb 2020 16:40:06 +0800 Subject: sdm660-common: Remove GPS HAL for subtree import Change-Id: Ib18b7d867224557562c3f6a4a20c206f0ec30fec --- gps/utils/LocSharedLock.h | 59 ----------------------------------------------- 1 file changed, 59 deletions(-) delete mode 100644 gps/utils/LocSharedLock.h (limited to 'gps/utils/LocSharedLock.h') diff --git a/gps/utils/LocSharedLock.h b/gps/utils/LocSharedLock.h deleted file mode 100644 index 7fe6237..0000000 --- a/gps/utils/LocSharedLock.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (c) 2015, The Linux Foundation. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * * Neither the name of The Linux Foundation, nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ -#ifndef __LOC_SHARED_LOCK__ -#define __LOC_SHARED_LOCK__ - -#include -#include -#include - -// This is a utility created for use cases such that there are more than -// one client who need to share the same lock, but it is not predictable -// which of these clients is to last to go away. This shared lock deletes -// itself when the last client calls its drop() method. To add a cient, -// this share lock's share() method has to be called, so that the obj -// can maintain an accurate client count. -class LocSharedLock { - volatile int32_t mRef; - pthread_mutex_t mMutex; - inline ~LocSharedLock() { pthread_mutex_destroy(&mMutex); } -public: - // first client to create this LockSharedLock - inline LocSharedLock() : mRef(1) { pthread_mutex_init(&mMutex, NULL); } - // following client(s) are to *share()* this lock created by the first client - inline LocSharedLock* share() { android_atomic_inc(&mRef); return this; } - // whe a client no longer needs this shared lock, drop() shall be called. - inline void drop() { if (1 == android_atomic_dec(&mRef)) delete this; } - // locking the lock to enter critical section - inline void lock() { pthread_mutex_lock(&mMutex); } - // unlocking the lock to leave the critical section - inline void unlock() { pthread_mutex_unlock(&mMutex); } -}; - -#endif //__LOC_SHARED_LOCK__ -- cgit v1.2.3