8170528: Race condition with release file creation

Reviewed-by: dholmes, ihse, tbell

make/Images.gmk

@@ -64,48 +64,9 @@ JRE_COMPACT2_MODULES_LIST := $(call CommaList, $(JRE_COMPACT2_MODULES))
 JRE_COMPACT3_MODULES_LIST := $(call CommaList, $(JRE_COMPACT3_MODULES))
 
 ################################################################################
-# Release file
 
 BASE_RELEASE_FILE := $(JDK_OUTPUTDIR)/release
 
-# Common way to emit a line into the release or info file
-define info-file-item # name value
-  $(PRINTF) '%s="%s"\n' $1 $2 >> $@
-endef
-
-# Param 1 - The file containing the MODULES list
-define create-info-file
-  $(if $(JDK_ARCH_ABI_PROP_NAME), \
-    $(call info-file-item, "SUN_ARCH_ABI", "$(JDK_ARCH_ABI_PROP_NAME)"))
-  $(call info-file-item, "SOURCE", "$(strip $(SOURCE_REVISION))")
-endef
-
-# Param 1 - The file containing the MODULES list
-define prepare-info-file
-  $(ECHO) $(LOG_INFO) Generating $(patsubst $(OUTPUT_ROOT)/%,%,$@)
-  $(MKDIR) -p $(@D)
-  $(RM) $@
-endef
-
-define info-file
-  $(call prepare-info-file)
-  $(call create-info-file)
-endef
-
-# Create a variable dependency file common for all release info files.
-INFO_FILE_VARDEPS := $(call DependOnVariable, create-info-file)
-
-SOURCE_REVISION = $(shell \
-    if [ -f $(SOURCE_REVISION_TRACKER) ] ; then \
-      $(CAT) $(SOURCE_REVISION_TRACKER) ; \
-    fi)
-
-# The SOURCE_REVISION_TRACKER file may not exist. Only depend on it if it does.
-$(BASE_RELEASE_FILE): $(INFO_FILE_VARDEPS) $(wildcard $(SOURCE_REVISION_TRACKER))
-	$(info-file)
-
-################################################################################
-
 JMODS := $(wildcard $(IMAGES_OUTPUTDIR)/jmods/*.jmod)
 
 # Use this file inside the image as target for make rule

make/Main.gmk

@@ -324,13 +324,16 @@ profiles:
 mac-bundles-jdk:
 	+($(CD) $(SRC_ROOT)/make && $(MAKE) $(MAKE_ARGS) -f MacBundles.gmk)
 
+release-file:
+	+($(CD) $(SRC_ROOT)/make && $(MAKE) $(MAKE_ARGS) -f ReleaseFile.gmk)
+
 exploded-image-optimize:
 	+($(CD) $(SRC_ROOT)/make && $(MAKE) $(MAKE_ARGS) -f ExplodedImageOptimize.gmk)
 
 ALL_TARGETS += store-source-revision create-source-revision-tracker bootcycle-images zip-security \
     zip-source jrtfs-jar jdk-image jre-image \
     symbols-image profiles mac-bundles-jdk \
-    exploded-image-optimize
+    release-file exploded-image-optimize
 
 ################################################################################
 # Docs targets
@@ -679,10 +682,12 @@ else
     java.base-jmod jdk-image jre-image: generate-link-opt-data
   endif
 
-  jdk-image: jmods zip-source create-source-revision-tracker demos samples
+  release-file: create-source-revision-tracker
-  jre-image: jmods create-source-revision-tracker
 
-  profiles: jmods zip-source create-source-revision-tracker
+  jdk-image: jmods zip-source demos samples release-file
+  jre-image: jmods release-file
+
+  profiles: jmods release-file
 
   mac-bundles-jdk: jdk-image jre-image
 
@@ -789,7 +794,7 @@ samples: samples-jdk
 
 # The "exploded image" is a locally runnable JDK in $(BUILD_OUTPUT)/jdk.
 exploded-image-base: $(ALL_MODULES)
-exploded-image: exploded-image-base
+exploded-image: exploded-image-base release-file
 # When cross compiling, no need to optimize the exploded image since it won't
 # be runnable on the host platform anyway.
 ifneq ($(COMPILE_TYPE), cross)

make/ReleaseFile.gmk

@@ -0,0 +1,86 @@
+#
+# Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+default: all
+
+include $(SPEC)
+include MakeBase.gmk
+
+################################################################################
+# This makefile generates the "release" file into the exploded image. Jlink is
+# then responsible for using this as the base for release files in each linked
+# image.
+#
+################################################################################
+
+BASE_RELEASE_FILE := $(JDK_OUTPUTDIR)/release
+
+# Common way to emit a line into the release or info file
+define info-file-item # name value
+  $(PRINTF) '%s="%s"\n' $1 $2 >> $@
+endef
+
+# Param 1 - The file containing the MODULES list
+define create-info-file
+  $(if $(JDK_ARCH_ABI_PROP_NAME), \
+    $(call info-file-item, "SUN_ARCH_ABI", "$(JDK_ARCH_ABI_PROP_NAME)"))
+  $(call info-file-item, "SOURCE", "$(strip $(SOURCE_REVISION))")
+endef
+
+# Param 1 - The file containing the MODULES list
+define prepare-info-file
+  $(call LogInfo, Generating $(patsubst $(OUTPUT_ROOT)/%,%,$@))
+  $(call MakeDir, $(@D))
+  $(RM) $@
+endef
+
+define info-file
+  $(call prepare-info-file)
+  $(call create-info-file)
+endef
+
+# Create a variable dependency file common for all release info files.
+INFO_FILE_VARDEPS := $(call DependOnVariable, create-info-file)
+
+SOURCE_REVISION = $(shell \
+    if [ -f $(SOURCE_REVISION_TRACKER) ] ; then \
+      $(CAT) $(SOURCE_REVISION_TRACKER) ; \
+    fi)
+
+# The SOURCE_REVISION_TRACKER file may not exist. Only depend on it if it does.
+$(BASE_RELEASE_FILE): $(INFO_FILE_VARDEPS) $(wildcard $(SOURCE_REVISION_TRACKER))
+	$(info-file)
+
+TARGETS += $(BASE_RELEASE_FILE)
+
+################################################################################
+
+$(eval $(call IncludeCustomExtension, , ReleaseFile.gmk))
+
+################################################################################
+
+all: $(TARGETS)
+
+.PHONY: all default