compiler/posixc/getppid.c

   1 /*
   2     Copyright © 2004-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <sys/types.h>
   7
   8 #include <exec/tasks.h>
   9 #include <proto/exec.h>
  10
  11 #include <assert.h>
  12
  13 #include "__vfork.h"
  14 #include "__posixc_intbase.h"
  15
  16 /*****************************************************************************
  17
  18     NAME */
  19 #include <unistd.h>
  20
  21         pid_t getppid(
  22
  23 /*  SYNOPSIS */
  24         void)
  25
  26 /*  FUNCTION
  27
  28     INPUTS
  29
  30     RESULT
  31
  32     NOTES
  33
  34     EXAMPLE
  35
  36     BUGS
  37
  38     SEE ALSO
  39
  40     INTERNALS
  41
  42 ******************************************************************************/
  43 {
  44   struct PosixCIntBase *PosixCBase =
  45         (struct PosixCIntBase *)__aros_getbase_PosixCBase();
  46   struct Task *ParentTask;
  47   struct ETask *eThisTask;
  48   struct ETask *et;
  49
  50   if(PosixCBase->flags & PRETEND_CHILD)
  51   {
  52     struct vfork_data *udata = PosixCBase->vfork_data;
  53     eThisTask = GetETask(udata->child);
  54   }
  55   else
  56     eThisTask = GetETask(FindTask(NULL));
  57   assert(eThisTask);
  58   ParentTask = (struct Task *)eThisTask->et_Parent;
  59   if(!ParentTask)
  60     return (pid_t) 1;
  61   et = GetETask(ParentTask);
  62   assert(et);
  63   return (pid_t) et->et_UniqueID;
  64 }
  65