Re: out of scope pointers in threads
Your pointer seems to go "out of scope" because your procedure where you
declared the pointer ends,
and so its local variable stack is cleared.
Declare your data-pointer at class or global scope.
pointer = new MyData();
static DWORD WindowThread(MyData* data);
"uche" <email@example.com> schrieb im Newsbeitrag
On Nov 28, 10:51 am, uche <uraniumore...@hotmail.com> wrote:
I am trying to send a pointer to the thread below; however, when the
thread gets executed, the pointer goes out of scope . How do I fix
int mywrite(char* id, int number_of_characters, char char_array)
//global_char = char_array;
//create mutual exlusion for producer process to write into the
//create producer thread and start the function for inserting
//mywriteTh is the entry point of the producer
ptr =new data;
ptr->character = char_array;
ptr->id = id;
Producer = (HANDLE) CreateThread (NULL, 0, mywriteTh,
reinterpret_cast<data> (ptr) , 0, &ThId); // i want to send the
pointer to this thread
DWORD WINAPI mywriteTh(data ptr)
//global_char is available here
DWORD tId = GetCurrentThreadId();
data *ptr_data = reinterpret_cast<data *>(ptr); // pointer is goes
out of scope
please note: change data* to LPVOID ... HOWEVER, THIS DOESN'T SEEM TO
DO THE TRICK! I STILL GET A POINTER THAT IS OUT OF SCOPE!
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