Resource limit commands


Data Structures

struct  _vx_limit
 Resource limits. More...
struct  _vx_limit_stat
 Resource limit accounting. More...

Defines

#define CRLIM_UNSET   (0ULL)
#define CRLIM_INFINITY   (~0ULL)
#define CRLIM_KEEP   (~1ULL)
#define VLIMIT_NSOCK   16
#define VLIMIT_OPENFD   17
#define VLIMIT_ANON   18
#define VLIMIT_SHMEM   19
#define VLIMIT_SEMARY   20
#define VLIMIT_NSEMS   21
#define VLIMIT_DENTRY   22
#define VLIMIT_MAPPED   23

Typedefs

typedef _vx_limit vx_limit_t
 Resource limits.
typedef _vx_limit_stat vx_limit_stat_t
 Resource limit accounting.

Functions

int vx_limit_mask_get (vx_limit_t *data)
 Get resource limits mask.
int vx_limit_set (xid_t xid, vx_limit_t *data)
 Set resource limit.
int vx_limit_get (xid_t xid, vx_limit_t *data)
 Get resource limits.
int vx_limit_stat (xid_t xid, vx_limit_stat_t *data)
 Get resource limit accounting data.
int vx_limit_reset (xid_t xid)
 Reset resource limit accounting data.


Define Documentation

#define CRLIM_UNSET   (0ULL)

Unset resource limit

Definition at line 434 of file vserver.h.

#define CRLIM_INFINITY   (~0ULL)

Infinity (no limit)

Definition at line 435 of file vserver.h.

#define CRLIM_KEEP   (~1ULL)

Keep current value

Definition at line 436 of file vserver.h.

#define VLIMIT_NSOCK   16

Number of open sockets

Definition at line 440 of file vserver.h.

#define VLIMIT_OPENFD   17

Number of open file descriptors

Definition at line 441 of file vserver.h.

#define VLIMIT_ANON   18

Amount of anonymous memory

Definition at line 442 of file vserver.h.

#define VLIMIT_SHMEM   19

Amount of shared memory

Definition at line 443 of file vserver.h.

#define VLIMIT_SEMARY   20

Size of semary

Definition at line 444 of file vserver.h.

#define VLIMIT_NSEMS   21

Number of semaphores

Definition at line 445 of file vserver.h.

#define VLIMIT_DENTRY   22

Size of the dentry cache

Definition at line 446 of file vserver.h.

#define VLIMIT_MAPPED   23

??

Definition at line 447 of file vserver.h.


Typedef Documentation

typedef struct _vx_limit vx_limit_t

Resource limits.

typedef struct _vx_limit_stat vx_limit_stat_t

Resource limit accounting.


Function Documentation

int vx_limit_mask_get ( vx_limit_t data  ) 

Get resource limits mask.

Parameters:
data Empty vx_limit_t struct to be filled

Definition at line 26 of file limit.c.

References _vx_limit::maximum, _vx_limit::minimum, _vx_limit::softlimit, and vserver().

00027 {
00028         int rc;
00029         struct vcmd_ctx_rlimit_mask_v0 kdata;
00030 
00031         if (!data)
00032                 return errno = EINVAL, -1;
00033 
00034         rc = vserver(VCMD_get_rlimit_mask, 0, &kdata);
00035 
00036         if (rc == -1)
00037                 return rc;
00038 
00039         data->minimum   = kdata.minimum;
00040         data->softlimit = kdata.softlimit;
00041         data->maximum   = kdata.maximum;
00042 
00043         return rc;
00044 }

int vx_limit_set ( xid_t  xid,
vx_limit_t data 
)

Set resource limit.

Parameters:
xid Context ID
data Resource limits

Definition at line 46 of file limit.c.

References _vx_limit::id, _vx_limit::maximum, _vx_limit::minimum, _vx_limit::softlimit, and vserver().

00047 {
00048         struct vcmd_ctx_rlimit_v0 kdata;
00049 
00050         if (!data)
00051                 return errno = EINVAL, -1;
00052 
00053         kdata.id        = data->id;
00054         kdata.minimum   = data->minimum;
00055         kdata.softlimit = data->softlimit;
00056         kdata.maximum   = data->maximum;
00057 
00058         return vserver(VCMD_set_rlimit, xid, &kdata);
00059 }

int vx_limit_get ( xid_t  xid,
vx_limit_t data 
)

Get resource limits.

Parameters:
xid Context ID
data Empty vx_limit_t struct to be filled

Definition at line 61 of file limit.c.

References _vx_limit::id, _vx_limit::maximum, _vx_limit::minimum, _vx_limit::softlimit, and vserver().

00062 {
00063         int rc;
00064         struct vcmd_ctx_rlimit_v0 kdata;
00065 
00066         if (!data)
00067                 return errno = EINVAL, -1;
00068 
00069         kdata.id = data->id;
00070 
00071         rc = vserver(VCMD_get_rlimit, xid, &kdata);
00072 
00073         if (rc == -1)
00074                 return rc;
00075 
00076         data->minimum   = kdata.minimum;
00077         data->softlimit = kdata.softlimit;
00078         data->maximum   = kdata.maximum;
00079 
00080         return rc;
00081 }

int vx_limit_stat ( xid_t  xid,
vx_limit_stat_t data 
)

Get resource limit accounting data.

Parameters:
xid Context ID
data Empty vx_limit_stat_t struct to be filled

Definition at line 83 of file limit.c.

References _vx_limit_stat::hits, _vx_limit_stat::id, _vx_limit_stat::maximum, _vx_limit_stat::minimum, _vx_limit_stat::value, and vserver().

00084 {
00085         int rc;
00086         struct vcmd_rlimit_stat_v0 kdata;
00087 
00088         if (!data)
00089                 return errno = EINVAL, -1;
00090 
00091         kdata.id = data->id;
00092 
00093         rc = vserver(VCMD_rlimit_stat, xid, &kdata);
00094 
00095         if (rc == -1)
00096                 return rc;
00097 
00098         data->hits    = kdata.hits;
00099         data->value   = kdata.value;
00100         data->minimum = kdata.minimum;
00101         data->maximum = kdata.maximum;
00102 
00103         return rc;
00104 }

int vx_limit_reset ( xid_t  xid  ) 

Reset resource limit accounting data.

Parameters:
xid Context ID

Definition at line 106 of file limit.c.

References vserver().

00107 {
00108         return vserver(VCMD_reset_minmax, xid, NULL);
00109 }


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