This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / linux / vs_cvirt.h

diff --git a/include/linux/vs_cvirt.h b/include/linux/vs_cvirt.h
new file mode 100644 (file)
index 0000000..65f4303
--- /dev/null
+++ b/include/linux/vs_cvirt.h
@@ -0,0 +1,71 @@
+#ifndef _VX_VS_CVIRT_H
+#define _VX_VS_CVIRT_H
+
+
+// #define VX_DEBUG
+
+#include "vserver/cvirt.h"
+#include "vs_base.h"
+
+#if defined(VX_DEBUG)
+#define vxdprintk(x...) printk("vxd: " x)
+#else
+#define vxdprintk(x...)
+#endif
+
+
+/* utsname virtualization */
+
+static inline struct new_utsname *vx_new_utsname(void)
+{
+       if (current->vx_info)
+               return &current->vx_info->cvirt.utsname;
+       return &system_utsname;
+}
+
+#define vx_new_uts(x)          ((vx_new_utsname())->x)
+
+
+/* pid faking stuff */
+
+
+#define vx_map_tgid(v,p) \
+       __vx_map_tgid((v), (p), __FILE__, __LINE__)
+
+static inline int __vx_map_tgid(struct vx_info *vxi, int pid,
+       char *file, int line)
+{
+       if (vxi && __vx_flags(vxi->vx_flags, VXF_INFO_INIT, 0)) {
+               vxdprintk("vx_map_tgid: %p/%llx: %d -> %d in %s:%d\n",
+                       vxi, vxi->vx_flags, pid,
+                       (pid == vxi->vx_initpid)?1:pid,
+                       file, line);
+               if (pid == vxi->vx_initpid)
+                       return 1;
+       }
+       return pid;
+}
+
+#define vx_rmap_tgid(v,p) \
+       __vx_rmap_tgid((v), (p), __FILE__, __LINE__)
+
+static inline int __vx_rmap_tgid(struct vx_info *vxi, int pid,
+       char *file, int line)
+{
+       if (vxi && __vx_flags(vxi->vx_flags, VXF_INFO_INIT, 0)) {
+               vxdprintk("vx_rmap_tgid: %p/%llx: %d -> %d in %s:%d\n",
+                       vxi, vxi->vx_flags, pid,
+                       (pid == 1)?vxi->vx_initpid:pid,
+                       file, line);
+               if ((pid == 1) && vxi->vx_initpid)
+                       return vxi->vx_initpid;
+       }
+       return pid;
+}
+
+#undef vxdprintk
+#define vxdprintk(x...)
+
+#else
+#warning duplicate inclusion
+#endif