func: remove the subreaper

drivers/shared/executor/utils.go

@@ -72,10 +72,6 @@ func CreateExecutor(
 		isolateCommand(config.Cmd)
 	}
 
-	/* 	if err := setAsSubreaper(); err != nil {
-		return nil, nil, fmt.Errorf("unable to set nomad as subreaper: %v", err)
-	} */
-
 	return newExecutorClient(config, logger)
 }
 

drivers/shared/executor/utils_unix.go

@@ -9,8 +9,6 @@ package executor
 import (
 	"os/exec"
 	"syscall"
-
-	"golang.org/x/sys/unix"
 )
 
 // isolateCommand sets the setsid flag in exec.Cmd to true so that the process
@@ -22,7 +20,3 @@ func isolateCommand(cmd *exec.Cmd) {
 	}
 	cmd.SysProcAttr.Setsid = true
 }
-
-func setAsSubreaper() error {
-	return unix.Prctl(unix.PR_SET_CHILD_SUBREAPER, uintptr(1), 0, 0, 0)
-}

go.mod

@@ -175,7 +175,6 @@ require (
 	github.com/cilium/ebpf v0.9.1 // indirect
 	github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible // indirect
 	github.com/circonus-labs/circonusllhist v0.1.3 // indirect
-	github.com/containerd/cgroups v1.1.0 // indirect
 	github.com/containerd/console v1.0.3 // indirect
 	github.com/containerd/containerd v1.7.13 // indirect
 	github.com/containerd/log v0.1.0 // indirect

go.sum

@@ -335,8 +335,6 @@ github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/container-storage-interface/spec v1.7.0 h1:gW8eyFQUZWWrMWa8p1seJ28gwDoN5CVJ4uAbQ+Hdycw=
 github.com/container-storage-interface/spec v1.7.0/go.mod h1:JYuzLqr9VVNoDJl44xp/8fmCOvWPDKzuGTwCoklhuqk=
-github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM=
-github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHqJDGwsa1mIw=
 github.com/containerd/console v1.0.1/go.mod h1:XUsP6YE/mKtz6bxc+I8UiKKTP04qjQL4qcS3XoQ5xkw=
 github.com/containerd/console v1.0.3 h1:lIr7SlA5PxZyMV30bDW0MGbiOPXwc63yRuCP0ARubLw=
 github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=