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moby--moby/pkg/reexec/command_linux.go
allencloud bd11a269bc make more pkgs support darwin
Signed-off-by: allencloud <allen.sun@daocloud.io>
2016-08-10 22:56:05 +08:00

28 lines
639 B
Go

// +build linux
package reexec
import (
"os/exec"
"syscall"
)
// Self returns the path to the current process's binary.
// Returns "/proc/self/exe".
func Self() string {
return "/proc/self/exe"
}
// Command returns *exec.Cmd which has Path as current binary. Also it setting
// SysProcAttr.Pdeathsig to SIGTERM.
// This will use the in-memory version (/proc/self/exe) of the current binary,
// it is thus safe to delete or replace the on-disk binary (os.Args[0]).
func Command(args ...string) *exec.Cmd {
return &exec.Cmd{
Path: Self(),
Args: args,
SysProcAttr: &syscall.SysProcAttr{
Pdeathsig: syscall.SIGTERM,
},
}
}