X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fvs_limit.h;h=d1304bd304537124a02d3da9e2272d6b54406995;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=ce0819404fcae058cd13f318828aa7699bf3e33c;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/include/linux/vs_limit.h b/include/linux/vs_limit.h index ce0819404..d1304bd30 100644 --- a/include/linux/vs_limit.h +++ b/include/linux/vs_limit.h @@ -1,108 +1,106 @@ #ifndef _VX_VS_LIMIT_H #define _VX_VS_LIMIT_H -#include -#include -#include - -#include "vserver/context.h" #include "vserver/limit.h" #include "vserver/debug.h" +#include "vserver/limit_int.h" + +#define vx_acc_cres(v,d,p,r) \ + __vx_acc_cres(v, r, d, p, __FILE__, __LINE__) -/* file limits */ +#define vx_acc_cres_cond(x,d,p,r) \ + __vx_acc_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \ + r, d, p, __FILE__, __LINE__) -static inline void __vx_acc_cres(struct vx_info *vxi, - int res, int dir, void *_data, char *_file, int _line) -{ - if (VXD_RLIMIT(res, RLIMIT_NOFILE) || - VXD_RLIMIT(res, RLIMIT_NPROC) || - VXD_RLIMIT(res, VLIMIT_NSOCK)) - vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5d%s (%p)", - (vxi?vxi->vx_id:-1), vlimit_name[res], res, - (vxi?atomic_read(&vxi->limit.rcur[res]):0), - (dir>0)?"++":"--", _data, _file, _line); - if (vxi) { - if (dir > 0) - atomic_inc(&vxi->limit.rcur[res]); - else - atomic_dec(&vxi->limit.rcur[res]); - } -} +#define vx_add_cres(v,a,p,r) \ + __vx_add_cres(v, r, a, p, __FILE__, __LINE__) +#define vx_sub_cres(v,a,p,r) vx_add_cres(v,-(a),p,r) + +#define vx_add_cres_cond(x,a,p,r) \ + __vx_add_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \ + r, a, p, __FILE__, __LINE__) +#define vx_sub_cres_cond(x,a,p,r) vx_add_cres_cond(x,-(a),p,r) + + +/* process and file limits */ + +#define vx_nproc_inc(p) \ + vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC) + +#define vx_nproc_dec(p) \ + vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC) + +#define vx_files_inc(f) \ + vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE) + +#define vx_files_dec(f) \ + vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE) + +#define vx_locks_inc(l) \ + vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS) + +#define vx_locks_dec(l) \ + vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS) + +#define vx_openfd_inc(f) \ + vx_acc_cres(current->vx_info, 1, (void *)(long)(f), VLIMIT_OPENFD) + +#define vx_openfd_dec(f) \ + vx_acc_cres(current->vx_info,-1, (void *)(long)(f), VLIMIT_OPENFD) -#define vx_acc_cres(v,d,p,r) \ - __vx_acc_cres((v), (r), (d), (p), __FILE__, __LINE__) - -#define vx_nproc_inc(p) \ - vx_acc_cres(current->vx_info, 1, (p), RLIMIT_NPROC) -#define vx_nproc_dec(p) \ - vx_acc_cres(current->vx_info,-1, (p), RLIMIT_NPROC) - -#define vx_files_inc(f) \ - vx_acc_cres(current->vx_info, 1, (f), RLIMIT_NOFILE) -#define vx_files_dec(f) \ - vx_acc_cres(current->vx_info,-1, (f), RLIMIT_NOFILE) - -/* -#define vx_openfd_inc(f) do { \ - vx_acc_cres(current->vx_info, 1, RLIMIT_OPENFD); \ - printk("vx_openfd_inc: %d[#%d] in %s:%d\n", \ - f, current->xid, __FILE__, __LINE__); \ - } while (0) - -#define vx_openfd_dec(f) do { \ - vx_acc_cres(current->vx_info,-1, RLIMIT_OPENFD); \ - printk("vx_openfd_dec: %d[#%d] in %s:%d\n", \ - f, current->xid, __FILE__, __LINE__); \ - } while (0) -*/ #define vx_cres_avail(v,n,r) \ - __vx_cres_avail((v), (r), (n), __FILE__, __LINE__) - -static inline int __vx_cres_avail(struct vx_info *vxi, - int res, int num, char *_file, int _line) -{ - unsigned long value; - - if (VXD_RLIMIT(res, RLIMIT_NOFILE) || - VXD_RLIMIT(res, RLIMIT_NPROC) || - VXD_RLIMIT(res, VLIMIT_NSOCK)) - vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d", - (vxi?vxi->vx_id:-1), vlimit_name[res], res, - (vxi?vxi->limit.rlim[res]:1), - (vxi?atomic_read(&vxi->limit.rcur[res]):0), - num, _file, _line); - if (!vxi) - return 1; - value = atomic_read(&vxi->limit.rcur[res]); - if (value > vxi->limit.rmax[res]) - vxi->limit.rmax[res] = value; - if (vxi->limit.rlim[res] == RLIM_INFINITY) - return 1; - if (value + num <= vxi->limit.rlim[res]) - return 1; - atomic_inc(&vxi->limit.lhit[res]); - return 0; -} + __vx_cres_avail(v, r, n, __FILE__, __LINE__) + #define vx_nproc_avail(n) \ - vx_cres_avail(current->vx_info, (n), RLIMIT_NPROC) + vx_cres_avail(current->vx_info, n, RLIMIT_NPROC) #define vx_files_avail(n) \ - vx_cres_avail(current->vx_info, (n), RLIMIT_NOFILE) + vx_cres_avail(current->vx_info, n, RLIMIT_NOFILE) + +#define vx_locks_avail(n) \ + vx_cres_avail(current->vx_info, n, RLIMIT_LOCKS) + +#define vx_openfd_avail(n) \ + vx_cres_avail(current->vx_info, n, VLIMIT_OPENFD) /* socket limits */ #define vx_sock_inc(s) \ - vx_acc_cres((s)->sk_vx_info, 1, (s), VLIMIT_NSOCK) + vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK) + #define vx_sock_dec(s) \ - vx_acc_cres((s)->sk_vx_info,-1, (s), VLIMIT_NSOCK) + vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK) #define vx_sock_avail(n) \ - vx_cres_avail(current->vx_info, (n), VLIMIT_NSOCK) + vx_cres_avail(current->vx_info, n, VLIMIT_NSOCK) + + +/* ipc resource limits */ + +#define vx_ipcmsg_add(v,u,a) \ + vx_add_cres(v, a, u, RLIMIT_MSGQUEUE) + +#define vx_ipcmsg_sub(v,u,a) \ + vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE) + +#define vx_ipcmsg_avail(v,a) \ + vx_cres_avail(v, a, RLIMIT_MSGQUEUE) + + +#define vx_ipcshm_add(v,k,a) \ + vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM) + +#define vx_ipcshm_sub(v,k,a) \ + vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM) + +#define vx_ipcshm_avail(v,a) \ + vx_cres_avail(v, a, VLIMIT_SHMEM) + #else #warning duplicate inclusion