Enum rctl::Resource

pub enum Resource {
    CpuTime,
    DataSize,
    StackSize,
    CoreDumpSize,
    MemoryUse,
    MemoryLocked,
    MaxProcesses,
    OpenFiles,
    VMemoryUse,
    PseudoTerminals,
    SwapUse,
    NThreads,
    MsgqQueued,
    MsgqSize,
    NMsgq,
    Nsem,
    NSemop,
    NShm,
    ShmSize,
    Wallclock,
    PercentCpu,
    ReadBps,
    WriteBps,
    ReadIops,
    WriteIops,
}

An Enum representing a resource type

Variants

CpuTime

CPU time, in seconds

DataSize

datasize, in bytes

StackSize

stack size, in bytes

from the FreeBSD Handbook Chapter 13.13 - Resource Limits:

The maximum size of a process stack. This alone is not sufficient to limit the amount of memory a program may use, so it should be used in conjunction with other limits.

CoreDumpSize

coredump size, in bytes

from the FreeBSD Handbook Chapter 13.13 - Resource Limits:

The limit on the size of a core file generated by a program is subordinate to other limits on disk usage, such as filesize or disk quotas. This limit is often used as a less severe method of controlling disk space consumption. Since users do not generate core files and often do not delete them, this setting may save them from running out of disk space should a large program crash.

MemoryUse

resident setsize, in bytes

MemoryLocked

locked memory, in bytes

from the FreeBSD Handbook Chapter 13.13 - Resource Limits:

The maximum amount of memory a process may request to be locked into main memory using mlock(2). Some system-critical programs, such as amd(8), lock into main memory so that if the system begins to swap, they do not contribute to disk thrashing.

MaxProcesses

number of processes

OpenFiles

File descriptor table size

VMemoryUse

address space limit, in bytes

PseudoTerminals

number of PTYs

SwapUse

swapspace that may be reserved or used, in bytes

NThreads

number of threads

MsgqQueued

number of queued SysV messages

MsgqSize

SysVmessagequeue size, in bytes

NMsgq

number of SysV message queues

Nsem

number of SysV semaphores

NSemop

number of SysV semaphores modified in a single semop(2) call

NShm

number of SysV shared memorysegments

ShmSize

SysVshared memory size, in bytes

Wallclock

wallclock time, in seconds

PercentCpu

%CPU, in percents of a single CPU core

ReadBps

filesystem reads, in bytes per second

WriteBps

filesystem writes, in bytes per second

ReadIops

filesystem reads, inoperations per second

WriteIops

filesystem writes, in operations persecond

Implementations

impl Resource

pub fn as_str(&self) -> &'static str

Return the string representation of the resource

Examples

use rctl::Resource;
assert_eq!(Resource::CpuTime.as_str(), "cputime");

Trait Implementations

impl Clone for Resource

fn clone(&self) -> Resource

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Resource

impl Debug for Resource

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for Resource

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for Resource

impl FromStr for Resource

type Err = ParseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for Resource

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl<'a> Into<&'static str> for &'a Resource

fn into(self) -> &'static str

Performs the conversion.

impl<'a> Into<String> for &'a Resource

fn into(self) -> String

Performs the conversion.

impl PartialEq<Resource> for Resource

fn eq(&self, other: &Resource) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for Resource

impl StructuralPartialEq for Resource