coder/agent/agentproc/syscaller_unix.go

43 lines
793 B
Go

//go:build linux
// +build linux
package agentproc
import (
"syscall"
"golang.org/x/sys/unix"
"golang.org/x/xerrors"
)
func NewSyscaller() Syscaller {
return UnixSyscaller{}
}
type UnixSyscaller struct{}
func (UnixSyscaller) SetPriority(pid int32, nice int) error {
err := unix.Setpriority(unix.PRIO_PROCESS, int(pid), nice)
if err != nil {
return xerrors.Errorf("set priority: %w", err)
}
return nil
}
func (UnixSyscaller) GetPriority(pid int32) (int, error) {
nice, err := unix.Getpriority(0, int(pid))
if err != nil {
return 0, xerrors.Errorf("get priority: %w", err)
}
return nice, nil
}
func (UnixSyscaller) Kill(pid int32, sig syscall.Signal) error {
err := syscall.Kill(int(pid), sig)
if err != nil {
return xerrors.Errorf("kill: %w", err)
}
return nil
}