pid

[raja <vnagaraju@effigent.net>]

Hi,
   I am trying to find the pid of the process with out using the 
getpid() using the following program.
int main()
{
   struct thread_info * threadInfo = current_thread_info();
   struct task_struct *taskInfo = threadInfo->task;
   printf("Pid Is %d\n",taskInfo->pid);
}


And when i try to compile using
gcc  -Wall  pid.c

Then I am getting so many errors like


pid.c:9: warning: implicit declaration of function `current_thread_info'
pid.c:9: warning: initialization makes pointer from integer without a cast
pid.c:10: error: dereferencing pointer to incomplete type
pid.c:11: error: dereferencing pointer to incomplete type



Will you please help me.

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