设置线程属性

 1 #include <pthread.h>

 2 #include <unistd.h>

 3 #include <cstdio>

 4 #include <cstdlib>

 5 #include <iostream>

 6 

 7 void* threadRun(void  * arg)

 8 {

 9     sleep(1);

10 

11     return 0;

12 }

13 

14 int main()

15 {

16     char szLog[256] = {0};

17     int const threadNum_ = 10;

18     pthread_t * writeThreadID = new pthread_t[threadNum_];

19     for (int nOffset=0; nOffset<threadNum_; ++nOffset)

20     {

21         size_t stackSize = 1024*20;

22         pthread_attr_t attr;

23         if(0 != pthread_attr_init(&attr))

24             std::cout<<"attr init error"<<std::endl;

25         if(0 != pthread_attr_setstacksize(&attr, stackSize))

26             std::cout<<"attr set error"<<std::endl;

27         if(0 != pthread_create(writeThreadID+nOffset, &attr, threadRun, NULL))

28         {

29             snprintf(szLog, sizeof(szLog)-1,"***writeThread:%d, create failed!\n", nOffset+1); 

30             std::cout << szLog << std::endl;

31         }

32 

33          if(0 != pthread_attr_destroy(&attr))

34             std::cout<<"attr destroy error"<<std::endl;

35 

36     }

37     for(int i=0; i<threadNum_;i++)

38     {

39         long utime =0;

40         if(pthread_join(writeThreadID[i],(void**) &utime) == 0)

41             std::cout << utime <<std::endl;

42     }

43 

44     sleep(1000);

45     return 0;

46 }