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pthread_exit的返回值没有被pthread_join拿到,为什么?
来源: 互联网 发布时间:2017-04-13
本文导语: pthread_join的man说,它会拿到pthread_exit的返回值: -------------------- if retval is not NULL, then pthread_join() copies the exit status of the target thread (i.e., the value that the target thread supplied to pthread_...
pthread_join的man说,它会拿到pthread_exit的返回值:
--------------------
if retval is not NULL, then pthread_join() copies the exit status of the target thread (i.e., the value that the target thread supplied to
pthread_exit(3)) into the location pointed to by *retval. If the target thread was canceled, then PTHREAD_CANCELED is placed in *retval.
--------------------
于是我写了个小程序来验证:
--------------------
if retval is not NULL, then pthread_join() copies the exit status of the target thread (i.e., the value that the target thread supplied to
pthread_exit(3)) into the location pointed to by *retval. If the target thread was canceled, then PTHREAD_CANCELED is placed in *retval.
--------------------
于是我写了个小程序来验证:
#include
#include
#include
#include
using namespace std;
void* fun(void*)
{
cout
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