hg: jdk/sandbox: 8223777: In posix_spawn mode, failing to exec() jspawnhelper does not result in an error

[chris.hegarty at oracle.com]

Changeset: 57b93b113ec0
Author:    stuefe
Date:      2019-06-05 09:12 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/57b93b113ec0

8223777: In posix_spawn mode, failing to exec() jspawnhelper does not result in an error
Reviewed-by: rriggs, martin, fweimer

! src/java.base/unix/native/libjava/ProcessImpl_md.c
! src/java.base/unix/native/libjava/childproc.c
! src/java.base/unix/native/libjava/childproc.h