github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/pkg/reexec/command_linux.go (about) 1 package reexec // import "github.com/demonoid81/moby/pkg/reexec" 2 3 import ( 4 "os/exec" 5 "syscall" 6 7 "golang.org/x/sys/unix" 8 ) 9 10 // Self returns the path to the current process's binary. 11 // Returns "/proc/self/exe". 12 func Self() string { 13 return "/proc/self/exe" 14 } 15 16 // Command returns *exec.Cmd which has Path as current binary. Also it setting 17 // SysProcAttr.Pdeathsig to SIGTERM. 18 // This will use the in-memory version (/proc/self/exe) of the current binary, 19 // it is thus safe to delete or replace the on-disk binary (os.Args[0]). 20 func Command(args ...string) *exec.Cmd { 21 return &exec.Cmd{ 22 Path: Self(), 23 Args: args, 24 SysProcAttr: &syscall.SysProcAttr{ 25 Pdeathsig: unix.SIGTERM, 26 }, 27 } 28 }