include/linux/vs_limit.h

   1 #ifndef _VX_VS_LIMIT_H
   2 #define _VX_VS_LIMIT_H
   3
   4 #include "vserver/limit.h"
   5 #include "vserver/debug.h"
   6 #include "vserver/limit_int.h"
   7
   8
   9 #define vx_acc_cres(v,d,p,r) \
  10         __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
  11
  12 #define vx_acc_cres_cond(x,d,p,r) \
  13         __vx_acc_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \
  14         r, d, p, __FILE__, __LINE__)
  15
  16
  17 #define vx_add_cres(v,a,p,r) \
  18         __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
  19 #define vx_sub_cres(v,a,p,r)            vx_add_cres(v,-(a),p,r)
  20
  21 #define vx_add_cres_cond(x,a,p,r) \
  22         __vx_add_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \
  23         r, a, p, __FILE__, __LINE__)
  24 #define vx_sub_cres_cond(x,a,p,r)       vx_add_cres_cond(x,-(a),p,r)
  25
  26
  27 /* process and file limits */
  28
  29 #define vx_nproc_inc(p) \
  30         vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
  31
  32 #define vx_nproc_dec(p) \
  33         vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
  34
  35 #define vx_files_inc(f) \
  36         vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
  37
  38 #define vx_files_dec(f) \
  39         vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
  40
  41 #define vx_locks_inc(l) \
  42         vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
  43
  44 #define vx_locks_dec(l) \
  45         vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
  46
  47 #define vx_openfd_inc(f) \
  48         vx_acc_cres(current->vx_info, 1, (void *)(long)(f), VLIMIT_OPENFD)
  49
  50 #define vx_openfd_dec(f) \
  51         vx_acc_cres(current->vx_info,-1, (void *)(long)(f), VLIMIT_OPENFD)
  52
  53
  54 #define vx_cres_avail(v,n,r) \
  55         __vx_cres_avail(v, r, n, __FILE__, __LINE__)
  56
  57
  58 #define vx_nproc_avail(n) \
  59         vx_cres_avail(current->vx_info, n, RLIMIT_NPROC)
  60
  61 #define vx_files_avail(n) \
  62         vx_cres_avail(current->vx_info, n, RLIMIT_NOFILE)
  63
  64 #define vx_locks_avail(n) \
  65         vx_cres_avail(current->vx_info, n, RLIMIT_LOCKS)
  66
  67 #define vx_openfd_avail(n) \
  68         vx_cres_avail(current->vx_info, n, VLIMIT_OPENFD)
  69
  70
  71 /* socket limits */
  72
  73 #define vx_sock_inc(s) \
  74         vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
  75
  76 #define vx_sock_dec(s) \
  77         vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
  78
  79 #define vx_sock_avail(n) \
  80         vx_cres_avail(current->vx_info, n, VLIMIT_NSOCK)
  81
  82
  83 /* ipc resource limits */
  84
  85 #define vx_ipcmsg_add(v,u,a) \
  86         vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
  87
  88 #define vx_ipcmsg_sub(v,u,a) \
  89         vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
  90
  91 #define vx_ipcmsg_avail(v,a) \
  92         vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
  93
  94
  95 #define vx_ipcshm_add(v,k,a) \
  96         vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
  97
  98 #define vx_ipcshm_sub(v,k,a) \
  99         vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
 100
 101 #define vx_ipcshm_avail(v,a) \
 102         vx_cres_avail(v, a, VLIMIT_SHMEM)
 103
 104
 105 #else
 106 #warning duplicate inclusion
 107 #endif