From 18705acc13f78ac65458b3dd832545e62fbc9172 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期一, 08 二月 2021 10:44:29 +0800
Subject: [PATCH] update
---
src/pread_write_lock.h | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/src/read_write_lock.h b/src/pread_write_lock.h
similarity index 72%
rename from src/read_write_lock.h
rename to src/pread_write_lock.h
index c899115..ea89cce 100644
--- a/src/read_write_lock.h
+++ b/src/pread_write_lock.h
@@ -1,9 +1,9 @@
-#ifndef _CLOSE_LOCK_H_
-#define _CLOSE_LOCK_H_
+#ifndef _PREAD_WRITE_LOCK_H_
+#define _PREAD_WRITE_LOCK_H_
#include "usg_common.h"
#include "psem.h"
-class ReadWriteLock {
+class PReadWriteLock {
private:
unsigned int readCount = 0;
sem_t countMutex;
@@ -11,13 +11,17 @@
public:
- ReadWriteLock() {
+ PReadWriteLock() {
+ if (sem_init(&countMutex, 1, 1) == -1)
+ err_exit(errno, "PReadWriteLock sem_init");
+ if (sem_init(&writeMutex, 1, 1) == -1)
+ err_exit(errno, "PReadWriteLock sem_init");
}
void lockRead() {
//readCount鏄叡浜彉閲忥紝鎵�浠ラ渶瑕佸疄鐜颁竴涓攣鏉ユ帶鍒惰鍐�
- //synchronized(ReadWriteLock.class){}
+ //synchronized(PReadWriteLock.class){}
psem_wait(&countMutex);
//鍙湁鏄涓�涓鑰咃紝鎵嶅皢鍐欓攣鍔犻攣銆傚叾浠栫殑璇昏�呴兘鏄繘琛屼笅涓�姝�
if(readCount == 0){
--
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