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moby--moby/pkg/reexec/command_linux.go
Sebastiaan van Stijn 6ed1163c98
Remove redundant build-tags
Files that are suffixed with `_linux.go` or `_windows.go` are
already only built on Linux / Windows, so these build-tags
were redundant.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2017-12-18 17:41:53 +01:00

28 lines
645 B
Go

package reexec
import (
"os/exec"
"syscall"
"golang.org/x/sys/unix"
)
// 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: unix.SIGTERM,
},
}
}