compiler/clib/__vfork.h

   1 #ifndef __VFORK_H
   2 #define __VFORK_H
   3
   4 /*
   5     Copyright © 2008-2009, The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #include <exec/types.h>
  10 #include <dos/bptr.h>
  11 #include <exec/exec.h>
  12 #include <setjmp.h>
  13 #include <aros/startup.h>
  14
  15 /* Define index of a stack register value in jmp_buf.regs */
  16
  17 #if defined __i386__
  18 #   define STACK_INDEX (_JMPLEN-1)
  19 #elif defined __x86_64__
  20 #   define STACK_INDEX (_JMPLEN-1)
  21 #elif defined __powerpc__
  22 #   define STACK_INDEX 1
  23 #else
  24 #   error unsupported CPU type
  25 #endif
  26
  27 #define VFORK_MAGIC 0x666
  28
  29 #define GETUDATA ((struct vfork_data*) __get_arosc_privdata()->acpd_vfork_data)
  30
  31 struct vfork_data
  32 {
  33     struct vfork_data *prev;
  34     jmp_buf vfork_jump;
  35
  36     struct Task *parent;
  37     jmp_buf startup_jmp_buf;
  38
  39     APTR old_UserData;
  40     ULONG child_id;
  41     BYTE parent_signal;
  42     APTR parent_acpd_fd_mempool;
  43     void *parent_acpd_fd_array;
  44     int parent_acpd_numslots;
  45     BPTR parent_curdir;
  46     struct arosc_privdata *ppriv;
  47     int old_acpd_flags;
  48
  49     struct Task *child;
  50     struct aros_startup child_startup;
  51     struct arosc_privdata *cpriv;
  52     struct Library *aroscbase;
  53     int child_executed;
  54     int child_errno;
  55     BYTE child_signal;
  56
  57     ULONG exec_stacksize;
  58     BPTR exec_seglist;
  59     char *exec_arguments;
  60     char *exec_taskname;
  61     LONG exec_returncode;
  62 };
  63
  64 #endif /* __VFORK_H */