git: openjdk/loom: fibers: 3 new changesets

[duke]

Changeset: 561ace1b
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-10-23 11:01:32 +0000
URL:       https://git.openjdk.java.net/loom/commit/561ace1b

Process::waitFor

! src/java.base/unix/classes/java/lang/ProcessImpl.java
! src/java.base/windows/classes/java/lang/ProcessImpl.java

Changeset: 462e4d3f
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-10-23 11:02:15 +0000
URL:       https://git.openjdk.java.net/loom/commit/462e4d3f

Defer setting current thread until after interrupt status sync'ed up

! src/java.base/share/classes/java/lang/VirtualThread.java

Changeset: 46229bef
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-10-23 12:03:21 +0000
URL:       https://git.openjdk.java.net/loom/commit/46229bef

More blocker use/cleanup

! src/java.base/share/classes/java/io/FileInputStream.java
! src/java.base/share/classes/java/io/RandomAccessFile.java
! src/java.base/share/classes/java/nio/MappedMemoryUtils.java
! src/java.base/share/classes/jdk/internal/misc/Blocker.java
! src/java.base/share/classes/sun/nio/ch/FileChannelImpl.java
! src/java.base/share/native/libjava/RandomAccessFile.c