将请求的接口的动作放在互斥锁中进行
1:
2:
3: pthread_mutex_t mutex;
4: pthread_t thread;
5: sem_t * m_structSem;
6:
7: struct SimpleStructure
8: { 9: int data;
10: float otherData;
11: };
12:
13: void* ThreadFunction(void* arg)
14: { 15: pthread_mutex_lock(&mutex);
16: SimpleStructure* args = (SimpleStructure*)arg;
17:
18: //todo...
19:
20: delete args;
21: pthread_mutex_unlock(&mutex);
22:
23: pthread_mutex_destroy(&mutex);
24: sem_destroy(m_structSem);
25:
26: return NULL;
27: }
28:
29: pthread_mutex_init(&mutex, NULL);
30: m_structSem = sem_open(strThreadName.c_str(), O_CREAT, 0644, 0)
31:
32: //
33: SimpleStructure* args = new SimpleStructure();
34: args->data = 1;
35: args->otherData = 2.0f;
36: //
37: pthread_create(&thread, NULL, &ThreadFunction, args);
38:
39:
使用(Cocos2d-x中将curl做为第三方库加入进来，它被放在cocos2dx/platform/third-party/win32的curl目录下)
1: CURL * curl;
2:
3: string strHtml;
4: string strRetData = "";
5:
6: //第一步：初始化CURL，取得初始化成功后的CURL指针。
7: curl = curl_easy_init();
8:
9: if (!curl)
10: { 11: return false;
12: }
13:
14: CCLOG("Http get string, conn: %s, url: %s", strConnName.c_str(), strUrl.c_str()); 15:
16: curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, HttpWriteString);
17: curl_easy_setopt(curl, CURLOPT_WRITEDATA, &strHtml);
18: curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
19: curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10);
20:
21: //这里定义一个CURL库中API的返回值，用于取得API调用的结果。
22: CURLcode res;
23:
24: //第二步，设定我们用此CURL指针来完成的动作。
25: //参数一为CURL指针，参数二为相应的动作类型枚举，这个枚举值在curl.h中定义，比如本例中的CURLOPT_URL，定义为CINIT(URL, OBJECTPOINT, 2)，即联接一个网站的HTTP服务。
26: //参数三为动作对应的数据参数，这里是网站的URL地址。
27: curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
28:
29: ///第三步，执行上面设定的动作处理。返回结果放在res中。
30: res = curl_easy_perform(curl);
31:
32: //最后一步，清除CURL指针，结束对CURL库的使用。
33: curl_easy_cleanup(curl);
34:
35: if (res == CURLE_OK)
36: { 37: strRetData = strHtml;
38:
39: CCLOG("Http get string, conn: %s, ret: %s", strConnName.c_str(), strRetData.c_str()); 40: }
41: else
42: { 43: //request error
44: }
45:
46: strRetData = "";
47:
48: CC_SAFE_DELETE(curl);
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