include/linux/vs_limit.h

   1 #ifndef _VS_LIMIT_H
   2 #define _VS_LIMIT_H
   3
   4 #include "vserver/limit.h"
   5 #include "vserver/base.h"
   6 #include "vserver/context.h"
   7 #include "vserver/debug.h"
   8 #include "vserver/context.h"
   9 #include "vserver/limit_int.h"
  10
  11
  12 #define vx_acc_cres(v,d,p,r) \
  13         __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
  14
  15 #define vx_acc_cres_cond(x,d,p,r) \
  16         __vx_acc_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \
  17         r, d, p, __FILE__, __LINE__)
  18
  19
  20 #define vx_add_cres(v,a,p,r) \
  21         __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
  22 #define vx_sub_cres(v,a,p,r)            vx_add_cres(v,-(a),p,r)
  23
  24 #define vx_add_cres_cond(x,a,p,r) \
  25         __vx_add_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \
  26         r, a, p, __FILE__, __LINE__)
  27 #define vx_sub_cres_cond(x,a,p,r)       vx_add_cres_cond(x,-(a),p,r)
  28
  29
  30 /* process and file limits */
  31
  32 #define vx_nproc_inc(p) \
  33         vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
  34
  35 #define vx_nproc_dec(p) \
  36         vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
  37
  38 #define vx_files_inc(f) \
  39         vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
  40
  41 #define vx_files_dec(f) \
  42         vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
  43
  44 #define vx_locks_inc(l) \
  45         vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
  46
  47 #define vx_locks_dec(l) \
  48         vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
  49
  50 #define vx_openfd_inc(f) \
  51         vx_acc_cres(current->vx_info, 1, (void *)(long)(f), VLIMIT_OPENFD)
  52
  53 #define vx_openfd_dec(f) \
  54         vx_acc_cres(current->vx_info,-1, (void *)(long)(f), VLIMIT_OPENFD)
  55
  56
  57 #define vx_cres_avail(v,n,r) \
  58         __vx_cres_avail(v, r, n, __FILE__, __LINE__)
  59
  60
  61 #define vx_nproc_avail(n) \
  62         vx_cres_avail(current->vx_info, n, RLIMIT_NPROC)
  63
  64 #define vx_files_avail(n) \
  65         vx_cres_avail(current->vx_info, n, RLIMIT_NOFILE)
  66
  67 #define vx_locks_avail(n) \
  68         vx_cres_avail(current->vx_info, n, RLIMIT_LOCKS)
  69
  70 #define vx_openfd_avail(n) \
  71         vx_cres_avail(current->vx_info, n, VLIMIT_OPENFD)
  72
  73
  74 /* dentry limits */
  75
  76 #define vx_dentry_inc(d) do {                                           \
  77         if (atomic_read(&d->d_count) == 1)                              \
  78                 vx_acc_cres(current->vx_info, 1, d, VLIMIT_DENTRY);     \
  79         } while (0)
  80
  81 #define vx_dentry_dec(d) do {                                           \
  82         if (atomic_read(&d->d_count) == 0)                              \
  83                 vx_acc_cres(current->vx_info,-1, d, VLIMIT_DENTRY);     \
  84         } while (0)
  85
  86 #define vx_dentry_avail(n) \
  87         vx_cres_avail(current->vx_info, n, VLIMIT_DENTRY)
  88
  89
  90 /* socket limits */
  91
  92 #define vx_sock_inc(s) \
  93         vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
  94
  95 #define vx_sock_dec(s) \
  96         vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
  97
  98 #define vx_sock_avail(n) \
  99         vx_cres_avail(current->vx_info, n, VLIMIT_NSOCK)
 100
 101
 102 /* ipc resource limits */
 103
 104 #define vx_ipcmsg_add(v,u,a) \
 105         vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
 106
 107 #define vx_ipcmsg_sub(v,u,a) \
 108         vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
 109
 110 #define vx_ipcmsg_avail(v,a) \
 111         vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
 112
 113
 114 #define vx_ipcshm_add(v,k,a) \
 115         vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
 116
 117 #define vx_ipcshm_sub(v,k,a) \
 118         vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
 119
 120 #define vx_ipcshm_avail(v,a) \
 121         vx_cres_avail(v, a, VLIMIT_SHMEM)
 122
 123
 124 #define vx_semary_inc(a) \
 125         vx_acc_cres(current->vx_info, 1, a, VLIMIT_SEMARY)
 126
 127 #define vx_semary_dec(a) \
 128         vx_acc_cres(current->vx_info,-1, a, VLIMIT_SEMARY)
 129
 130
 131 #define vx_nsems_add(a,n) \
 132         vx_add_cres(current->vx_info, n, a, VLIMIT_NSEMS)
 133
 134 #define vx_nsems_sub(a,n) \
 135         vx_sub_cres(current->vx_info, n, a, VLIMIT_NSEMS)
 136
 137
 138 #else
 139 #warning duplicate inclusion
 140 #endif