mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-29 16:30:19 +00:00
40 lines
986 B
Go
40 lines
986 B
Go
package timespec
|
|
|
|
/*
|
|
#include <time.h>
|
|
*/
|
|
import "C"
|
|
|
|
import (
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
// Timespec behaves similarly to C's struct timespec.
|
|
// Timespec is used to retain fidelity to the C based file systems
|
|
// apis that could be lossy with the use of Go time types.
|
|
type Timespec unix.Timespec
|
|
|
|
// CTimespecPtr is an unsafe pointer wrapping C's `struct timespec`.
|
|
type CTimespecPtr unsafe.Pointer
|
|
|
|
// CStructToTimespec creates a new Timespec for the C 'struct timespec'.
|
|
func CStructToTimespec(cts CTimespecPtr) Timespec {
|
|
t := (*C.struct_timespec)(cts)
|
|
|
|
return Timespec{
|
|
Sec: int64(t.tv_sec),
|
|
Nsec: int64(t.tv_nsec),
|
|
}
|
|
}
|
|
|
|
// CopyToCStruct copies the time values from a Timespec to a previously
|
|
// allocated C `struct timespec`. Due to restrictions on Cgo the C pointer
|
|
// must be passed via the CTimespecPtr wrapper.
|
|
func CopyToCStruct(ts Timespec, cts CTimespecPtr) {
|
|
t := (*C.struct_timespec)(cts)
|
|
t.tv_sec = C.time_t(ts.Sec)
|
|
t.tv_nsec = C.long(ts.Nsec)
|
|
}
|