include/linux/vs_cvirt.h

   1 #ifndef _VX_VS_CVIRT_H
   2 #define _VX_VS_CVIRT_H
   3
   4 #include "vserver/cvirt.h"
   5 #include "vserver/debug.h"
   6 #include "vs_base.h"
   7
   8
   9 /* utsname virtualization */
  10
  11 static inline struct new_utsname *vx_new_utsname(void)
  12 {
  13         if (current->vx_info)
  14                 return &current->vx_info->cvirt.utsname;
  15         return &system_utsname;
  16 }
  17
  18 #define vx_new_uts(x)           ((vx_new_utsname())->x)
  19
  20
  21 /* pid faking stuff */
  22
  23
  24 #define vx_map_tgid(v,p) \
  25         __vx_map_tgid((v), (p), __FILE__, __LINE__)
  26
  27 static inline int __vx_map_tgid(struct vx_info *vxi, int pid,
  28         char *file, int line)
  29 {
  30         if (vxi && __vx_flags(vxi->vx_flags, VXF_INFO_INIT, 0)) {
  31                 vxlprintk(VXD_CBIT(cvirt, 2),
  32                         "vx_map_tgid: %p/%llx: %d -> %d",
  33                         vxi, vxi->vx_flags, pid,
  34                         (pid == vxi->vx_initpid)?1:pid,
  35                         file, line);
  36                 if (pid == vxi->vx_initpid)
  37                         return 1;
  38         }
  39         return pid;
  40 }
  41
  42 #define vx_rmap_tgid(v,p) \
  43         __vx_rmap_tgid((v), (p), __FILE__, __LINE__)
  44
  45 static inline int __vx_rmap_tgid(struct vx_info *vxi, int pid,
  46         char *file, int line)
  47 {
  48         if (vxi && __vx_flags(vxi->vx_flags, VXF_INFO_INIT, 0)) {
  49                 vxlprintk(VXD_CBIT(cvirt, 2),
  50                         "vx_rmap_tgid: %p/%llx: %d -> %d",
  51                         vxi, vxi->vx_flags, pid,
  52                         (pid == 1)?vxi->vx_initpid:pid,
  53                         file, line);
  54                 if ((pid == 1) && vxi->vx_initpid)
  55                         return vxi->vx_initpid;
  56         }
  57         return pid;
  58 }
  59
  60
  61 #else
  62 #warning duplicate inclusion
  63 #endif