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Old 01-13-2005, 11:27 PM   #1
iclinux
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Registered: Dec 2004
Posts: 69

Rep: Reputation: 15
can thread return a local variable?


thread_fuc returns a local variable, it's right? thanks.
//////////////////////////////////////////////////////////////////////////////////////////
#include <pthread.h>
#include <stdio.h>

void *thread_fuc(void *arg)
{
int rtn = *((int*)arg);
rtn *= rtn;
return (void *)rtn; // return a local variable, is it right?
}

int main()
{
int num = 2;
int result = 0;
pthread_t thread_id = 0;

pthread_create(&thread_id, NULL, &thread_fuc, (void *)&num);

pthread_join(thread_id, (void **)&result);

printf("result is :%d\n", result);
}
 
Old 01-13-2005, 11:37 PM   #2
shishir
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Registered: Jul 2003
Location: bangalore . india
Distribution: openSUSE 10.3
Posts: 251

Rep: Reputation: 33
by all means can...as long as it is not a pointer to the local variable for obvious reasons
 
  


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