新增：实现 ThreadMutex 类

.gitignore

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+/build/libs/
+/build/obj/

README.md

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+V1.1.0
+
+### 新增：
+
+实现`ThreadMutex`类

build/Ndk_Android.mk

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+# 设置当前模块的源文件路径
+LOCAL_PATH := $(call my-dir)
+
+# 清除几乎所有 LOCAL_XXX 变量，为定义新模块做准备
+include $(CLEAR_VARS)
+
+# 模块名称，这将决定输出文件的名字（例如生成 libmynative.so）
+LOCAL_MODULE := myapp
+
+# 指定需要编译的源文件
+LOCAL_SRC_FILES := \
+    ../code/ThreadMutex.cpp ../code/main.cpp
+
+# 指定头文件搜索路径
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/../code/
+
+# 编译C文件时的标志
+LOCAL_CFLAGS := -D__OS_ANDROID
+
+# 编译C++文件时的标志
+LOCAL_CPPFLAGS += -std=c++11 -android
+
+# 链接时依赖的系统库
+LOCAL_LDLIBS := -llog -lc
+
+# 指示构建系统将其编译为动态链接库
+include $(BUILD_EXECUTABLE)

build/Ndk_Application.mk

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+APP_STL:=gnustl_static
+APP_ABI:=armeabi-v7a
+APP_PLATFORM:=android-23
+APP_BUILD_SCRIPT:=Ndk_Android.mk

build/ndk_make.sh

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+#!/bin/bash
+
+source /opt/ndk/env/ndk_env.sh
+
+# 定义颜色
+RED="\033[0;31m"
+GREEN="\033[0;32m"
+YELLOW="\033[1;33m"
+BLUE="\033[0;34m"
+RESET="\033[0m"
+
+# 路径
+NDK_PROJECT_PATH=$(pwd)
+APP_MK="./Ndk_Application.mk"
+ANDROID_MK="./Ndk_Android.mk"
+FIRMWARE_PATH="obj/local/armeabi-v7a/myapp"
+DEVICE_DATA="/data/"
+DEVICE_IP=""
+
+clean() {
+    echo -e "${YELLOW}Cleaning up...${RESET}"
+    ndk-build NDK_PROJECT_PATH=. NDK_APPLICATION_MK=$APP_MK APP_BUILD_SCRIPT=$ANDROID_MK clean
+    echo -e "${YELLOW}Removing obj/ and libs/ directories...${RESET}"
+    rm -rf obj/ libs/
+    sync
+    echo -e "${GREEN}Cleaned up.${RESET}"
+}
+
+build_only() {
+    echo -e "${BLUE}Building myapp...${RESET}"
+    ndk-build NDK_PROJECT_PATH=. NDK_APPLICATION_MK=$APP_MK APP_BUILD_SCRIPT=$ANDROID_MK
+    echo -e "${GREEN}Only build completed successfully.${RESET}"
+}
+
+push_only() {
+    if [ -z "$DEVICE_IP" ]; then
+        echo -e "${RED}Error: No device IP provided. Use -p <IP>${RESET}"
+        exit 1
+    fi
+    echo -e "${BLUE}Connecting to device $DEVICE_IP...${RESET}"
+    adb connect $DEVICE_IP
+    if [ $? -ne 0 ]; then
+        echo -e "${RED}Failed to connect to device $DEVICE_IP${RESET}"
+        exit 1
+    fi
+
+    echo -e "${BLUE}Pushing myapp to $DEVICE_DATA...${RESET}"
+    adb -s $DEVICE_IP push $FIRMWARE_PATH $DEVICE_DATA
+    if [ $? -ne 0 ]; then
+        echo -e "${RED}Failed to push myapp to $DEVICE_DATA${RESET}"
+        exit 1
+    fi
+
+    echo -e "${GREEN}Push completed successfully.${RESET}"
+}
+
+build_and_push() {
+    build_only
+    push_only
+}
+
+show_help() {
+    echo -e "${YELLOW}Usage: $0 [options]${RESET}"
+    echo
+    echo "Options:"
+    echo -e "  ${BLUE}-c${RESET}            Clean project (remove obj/ and libs/)"
+    echo -e "  ${BLUE}-p <IP>${RESET}       Push myapp to device with given IP"
+    echo -e "  ${BLUE}-bp <IP>${RESET}      Build and push to device with given IP"
+    echo -e "  ${BLUE}-h${RESET}            Show this help message"
+    echo
+    echo -e "${YELLOW}Default:${RESET} If no options are given, only build the project."
+}
+
+# 参数解析
+if [ $# -eq 0 ]; then
+    build_only
+    exit 0
+fi
+
+case "$1" in
+    -c)
+        clean
+        ;;
+    -p)
+        DEVICE_IP="$2"
+        push_only
+        ;;
+    -bp)
+        DEVICE_IP="$2"
+        build_and_push
+        ;;
+    -h)
+        show_help
+        ;;
+    *)
+        show_help
+        exit 1
+        ;;
+esac

code/ThreadMutex.cpp

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+#include "ThreadMutex.h"
+
+int ThreadMutex::XLockGetTestFlag(void)
+{
+    return mCurTestFlag_;
+}
+
+bool ThreadMutex::XLockTryLock(int tInputWait10Ms, int tInputTestFlag)
+{
+    int tTempN;
+
+    if (tInputWait10Ms <= 0)
+    {
+        while (1)
+        {
+            if (0 == pthread_mutex_trylock(&mMutex_))
+            {
+                mCurTestFlag_ = tInputTestFlag;
+                return true;
+            }
+            usleep(1000 * 5);
+        }
+    }
+    else
+    {
+        for (tTempN = 0; tTempN < tInputWait10Ms; tTempN++)
+        {
+            if (0 == pthread_mutex_trylock(&mMutex_))
+            {
+                mCurTestFlag_ = tInputTestFlag;
+                return true;
+            }
+            usleep(1000 * 5);
+        }
+        return false;
+    }
+}
+
+void ThreadMutex::XLockUnLock(void)
+{
+    mCurTestFlag_ = -1;
+    pthread_mutex_unlock(&mMutex_);
+}
+
+ThreadMutex::ThreadMutex(void)
+{
+    pthread_mutex_init(&mMutex_, NULL);
+}
+
+ThreadMutex::~ThreadMutex()
+{
+    pthread_mutex_destroy(&mMutex_);
+}

code/ThreadMutex.h

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+#ifndef THREADMUTE_H
+#define THREADMUTE_H
+
+#include <pthread.h>
+#include <unistd.h>
+
+class ThreadMutex
+{
+public:
+    int XLockGetTestFlag(void);
+    bool XLockTryLock(int tInputWait10Ms, int tInputTestFlag = -1);
+    void XLockUnLock(void);
+    ThreadMutex(void);
+    ~ThreadMutex();
+
+private:
+    pthread_mutex_t mMutex_;
+    int mCurTestFlag_;
+};
+
+#endif

code/main.cpp

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+#include "ThreadMutex.h"
+#include <iostream>
+
+ThreadMutex gThreadMutex;
+
+void *threadFunc(void *arg)
+{
+    int tTemID = *(int *)arg;
+    for (int tTempN = 0; tTempN < 3; ++tTempN)
+    {
+        if (gThreadMutex.XLockTryLock(100, tTemID))
+        {
+            std::cout << "[Thread " << tTemID << "] got lock, iteration " << tTempN << std::endl;
+            usleep(1000 * 200); // 模拟操作，200ms
+            gThreadMutex.XLockUnLock();
+            std::cout << "[Thread " << tTemID << "] released lock, iteration " << tTempN << std::endl;
+        }
+        else
+        {
+            std::cout << "[Thread " << tTemID << "] failed to get lock, iteration " << tTempN << std::endl;
+        }
+        usleep(1000 * 50); // 等待 50ms 再尝试下一轮
+    }
+    return nullptr;
+}
+
+int main(int argc, char **argv)
+{
+    const int tTemThreadNum = 3;
+    pthread_t threads[tTemThreadNum];
+    int threadIds[tTemThreadNum] = {1, 2, 3};
+
+    /* 创建线程 */
+    for (int tTempN = 0; tTempN < tTemThreadNum; ++tTempN)
+    {
+        pthread_create(&threads[tTempN], nullptr, threadFunc, &threadIds[tTempN]);
+    }
+
+    /* 等待线程结束 */
+    for (int tTempN = 0; tTempN < tTemThreadNum; ++tTempN)
+    {
+        pthread_join(threads[tTempN], nullptr);
+    }
+
+    std::cout << "All threads finished." << std::endl;
+    return 0;
+}