hg: jdk/sandbox: 8213017: jspawnhelper: need to handle pipe write failure when sending return code

[chris.hegarty at oracle.com]

Changeset: 6fe18b0c0e88
Author:    stuefe
Date:      2018-10-26 16:49 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/6fe18b0c0e88

8213017: jspawnhelper: need to handle pipe write failure when sending return code
Reviewed-by: alanb

! src/java.base/unix/native/jspawnhelper/jspawnhelper.c