syscall

Documentation

Overview

*Copyright (c) 2022, kaydxh * *Permission is hereby granted, free of charge, to any person obtaining a copy *of this software and associated documentation files (the "Software"), to deal *in the Software without restriction, including without limitation the rights *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell *copies of the Software, and to permit persons to whom the Software is *furnished to do so, subject to the following conditions: * *The above copyright notice and this permission notice shall be included in all *copies or substantial portions of the Software. * *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *SOFTWARE.

*Copyright (c) 2022, kaydxh * *Permission is hereby granted, free of charge, to any person obtaining a copy *of this software and associated documentation files (the "Software"), to deal *in the Software without restriction, including without limitation the rights *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell *copies of the Software, and to permit persons to whom the Software is *furnished to do so, subject to the following conditions: * *The above copyright notice and this permission notice shall be included in all *copies or substantial portions of the Software. * *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *SOFTWARE.

*Copyright (c) 2022, kaydxh * *Permission is hereby granted, free of charge, to any person obtaining a copy *of this software and associated documentation files (the "Software"), to deal *in the Software without restriction, including without limitation the rights *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell *copies of the Software, and to permit persons to whom the Software is *furnished to do so, subject to the following conditions: * *The above copyright notice and this permission notice shall be included in all *copies or substantial portions of the Software. * *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *SOFTWARE.

Index

• func GetNumFiles() (uint64, uint64, error)
• func KillBatch(pids []int, sig syscall.Signal) (errorPids []int, err error)
• func SetMaxNumFiles() (uint64, error)
• func SetNumFiles(maxOpenFiles uint64) error
• type DiskUsage
  • func NewDiskUsage(path string) (*DiskUsage, error)
  • func (du *DiskUsage) Avail() uint64
  • func (du *DiskUsage) Free() uint64
  • func (du *DiskUsage) Size() uint64
  • func (du *DiskUsage) Usage() float32
  • func (du *DiskUsage) Used() uint64

Functions

func GetNumFiles

func GetNumFiles() (uint64, uint64, error)

func KillBatch

func KillBatch(pids []int, sig syscall.Signal) (errorPids []int, err error)

func SetMaxNumFiles

func SetMaxNumFiles() (uint64, error)

func SetNumFiles

func SetNumFiles(maxOpenFiles uint64) error

SetNumFiles sets the linux rlimit for the maximum open files.

Types

type DiskUsage

type DiskUsage struct {
	// contains filtered or unexported fields
}

func NewDiskUsage

func NewDiskUsage(path string) (*DiskUsage, error)

func (*DiskUsage) Avail

func (du *DiskUsage) Avail() uint64

Avail returns total avail bytes on file system

func (*DiskUsage) Free

func (du *DiskUsage) Free() uint64

Free returns total free bytes on file system

func (*DiskUsage) Size

func (du *DiskUsage) Size() uint64

Size returns total size of the file system

func (*DiskUsage) Usage

func (du *DiskUsage) Usage() float32

Usage returns percentage of used on the file system

https://github.com/coreutils/coreutils/blob/master/src/df.c#:~:text=pct%20%3D%20u100%20/%20nonroot_total%20%2B%20(u100%20%25%20nonroot_total%20!%3D%200)%3B By default, ext2/3/4 filesystems reserve 5% of the space to be useable only by root. This is to avoid a normal user completely filling the disk which would then cause system components to fail whenever they next needed to write to the disk

func (*DiskUsage) Used

func (du *DiskUsage) Used() uint64

Size returns total used bytes on the file system