git: openjdk/jdk17u-dev: 8307990: jspawnhelper must close its writing side of a pipe before reading from it

[Volker Simonis]

Changeset: 16f319a3
Author:    Volker Simonis <simonis at openjdk.org>
Date:      2023-12-06 13:58:45 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/16f319a338930b708105f9189a5174b9aed7d569

8307990: jspawnhelper must close its writing side of a pipe before reading from it

Reviewed-by: shade
Backport-of: 39f6d807dbbe0c9ecd72fe2f76bfbc3091b43c80

! src/java.base/unix/native/jspawnhelper/jspawnhelper.c
! 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
+ test/jdk/java/lang/ProcessBuilder/JspawnhelperProtocol.java