do not close pipe in write side

hyper_container_stage0 shares fd table with init, right now stage0
may close pipe before init read the pipe. this will cause container
fail to start.

Signed-off-by: Gao feng <[email protected]>

Author: gao-feng

src/init.c

@@ -409,8 +409,9 @@ static int hyper_container_stage0(void *data)
 	close(pidns);
 	close(utsns);
 	close(ipcns);
-	close(arg->ctl_pipe[0]);
-	close(arg->ctl_pipe[1]);
+	/* hyper_container_stage0 shares fd table with init, let init closes pipe. */
+	//close(arg->ctl_pipe[0]);
+	//close(arg->ctl_pipe[1]);
 
 	_exit(ret);
 }
@@ -427,7 +428,6 @@ int hyper_start_container_stage0(struct hyper_container *c, struct hyper_pod *po
 	int ret = -1, pid;
 	uint32_t type;
 
-
 	if (pipe2(arg.ctl_pipe, O_CLOEXEC) < 0) {
 		perror("create pipe between hyper init and pod init failed");
 		goto out;