shirou_gopsutil/disk_freebsd.go

100 lines
2.0 KiB
Go

// +build freebsd
package gopsutil
import (
"syscall"
"unsafe"
)
func Disk_partitions() ([]Disk_partitionStat, error) {
ret := make([]Disk_partitionStat, 0)
// get length
count, err := syscall.Getfsstat(nil, MNT_WAIT)
if err != nil {
return ret, err
}
fs := make([]Statfs, count)
_, err = Getfsstat(fs, MNT_WAIT)
for _, stat := range fs {
opts := "rw"
if stat.F_flags&MNT_RDONLY != 0 {
opts = "ro"
}
if stat.F_flags&MNT_SYNCHRONOUS != 0 {
opts += ",sync"
}
if stat.F_flags&MNT_NOEXEC != 0 {
opts += ",noexec"
}
if stat.F_flags&MNT_NOSUID != 0 {
opts += ",nosuid"
}
if stat.F_flags&MNT_UNION != 0 {
opts += ",union"
}
if stat.F_flags&MNT_ASYNC != 0 {
opts += ",async"
}
if stat.F_flags&MNT_SUIDDIR != 0 {
opts += ",suiddir"
}
if stat.F_flags&MNT_SOFTDEP != 0 {
opts += ",softdep"
}
if stat.F_flags&MNT_NOSYMFOLLOW != 0 {
opts += ",nosymfollow"
}
if stat.F_flags&MNT_GJOURNAL != 0 {
opts += ",gjounalc"
}
if stat.F_flags&MNT_MULTILABEL != 0 {
opts += ",multilabel"
}
if stat.F_flags&MNT_ACLS != 0 {
opts += ",acls"
}
if stat.F_flags&MNT_NOATIME != 0 {
opts += ",noattime"
}
if stat.F_flags&MNT_NOCLUSTERR != 0 {
opts += ",nocluster"
}
if stat.F_flags&MNT_NOCLUSTERW != 0 {
opts += ",noclusterw"
}
if stat.F_flags&MNT_NFS4ACLS != 0 {
opts += ",nfs4acls"
}
d := Disk_partitionStat{
Mountpoint: byteToString(stat.F_mntonname[:]),
Fstype: byteToString(stat.F_fstypename[:]),
Opts: opts,
}
ret = append(ret, d)
}
return ret, nil
}
// This is borrowed from pkg/syscall/syscall_freebsd.go
// change Statfs_t to Statfs in order to get more information
func Getfsstat(buf []Statfs, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs{}) * uintptr(len(buf))
}
r0, _, e1 := syscall.Syscall(syscall.SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}