8164900: Add support for O_DIRECT
Summary: Add support for Direct I/O in FileChannel
Reviewed-by: alanb, bpb, alanbur, coffeys, aph, clanger, plevart, mli, psandoz, simonis
Contributed-by: Lucy Lu <yingqi.lu@intel.com>, Volker Simonis <volker.simonis@gmail.com>
#
# 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 $(SPEC)
include MakeBase.gmk
PRODUCT_TARGETS :=
TEST_TARGETS :=
DOCS_TARGETS :=
# On Windows tar frequently complains that "file changed as we read it" for
# some random source files. This seems to be cause by anti virus scanners and
# is most likely safe to ignore. When it happens, tar returns '1'.
ifeq ($(OPENJDK_BUILD_OS), windows)
TAR_IGNORE_EXIT_VALUE := || test "$$$$?" = "1"
endif
# Hook to include the corresponding custom file, if present.
$(eval $(call IncludeCustomExtension, Bundles-pre.gmk))
################################################################################
# BUNDLE : Name of bundle to create
# FILES : Files in BASE_DIRS to add to bundle
# SPECIAL_INCLUDES : List of directories inside BASE_DIRS to look for additional
# files in. These files will not get proper dependency handling. Use when
# files or directories may contain spaces.
# BASE_DIRS : Base directories for the root dir in the bundle.
# SUBDIR : Optional name of root dir in bundle.
SetupBundleFile = $(NamedParamsMacroTemplate)
define SetupBundleFileBody
$$(foreach d, $$($1_BASE_DIRS), \
$$(eval $1_$$d_RELATIVE_FILES := $$$$(patsubst $$d/%, %, \
$$$$(filter $$d/%, $$$$($1_FILES)))) \
$$(eval $1_$$d_LIST_FILE := \
$(SUPPORT_OUTPUTDIR)/bundles/_$1_$$$$(subst /,_,$$$$(patsubst $(OUTPUTDIR)/%,%,$$d)_files)) \
)
ifneq ($$(filter %.tar.gz, $$($1_BUNDLE_NAME)), )
$1_TYPE := tar.gz
else ifneq ($$(filter %.zip, $$($1_BUNDLE_NAME)), )
$1_TYPE := zip
else
$$(error Unknown bundle type $$($1_BUNDLE_NAME))
endif
$$(call SetIfEmpty, $1_UNZIP_DEBUGINFO, false)
$(BUNDLES_OUTPUTDIR)/$$($1_BUNDLE_NAME): $$($1_FILES)
# If any of the files contain a space in the file name, CacheFind
# will have replaced it with ?. Tar does not accept that so need to
# switch it back.
$$(foreach d, $$($1_BASE_DIRS), \
$$(eval $$(call ListPathsSafely, \
$1_$$d_RELATIVE_FILES, $$($1_$$d_LIST_FILE))) \
$$(CAT) $$($1_$$d_LIST_FILE) | $$(TR) '?' ' ' > $$($1_$$d_LIST_FILE).tmp \
&& $(MV) $$($1_$$d_LIST_FILE).tmp $$($1_$$d_LIST_FILE) $$(NEWLINE) \
)
$$(call MakeDir, $$(@D))
ifneq ($$($1_SPECIAL_INCLUDES), )
$$(foreach i, $$($1_SPECIAL_INCLUDES), \
$$(foreach d, $$($1_BASE_DIRS), \
($(CD) $$d && $(FIND) $$i >> $$($1_$$d_LIST_FILE)) ; ))
endif
ifeq ($$($1_SUBDIR)-$$($1_TYPE)-$$($1_UNZIP_DEBUGINFO), .-zip-false)
# If no subdir is specified, zip can be done directly from BASE_DIRS.
$$(foreach d, $$($1_BASE_DIRS), \
( $(CD) $$d \
&& $(ZIPEXE) -qru $$@ . -i@$$($1_$$d_LIST_FILE) \
|| test "$$$$?" = "12" )$$(NEWLINE))
else ifeq ($$($1_SUBDIR)-$$($1_TYPE)-$$($1_UNZIP_DEBUGINFO)-$$(words $$($1_BASE_DIRS)), \
.-tar.gz-false-1)
# If no subdir is specified and only one BASE_DIR, tar.gz can be done
# directly from BASE_DIR.
$(CD) $$($1_BASE_DIRS) \
&& ( $(TAR) cf - $(TAR_CREATE_EXTRA_PARAM) \
-$(TAR_INCLUDE_PARAM) $$($1_$$($1_BASE_DIRS)_LIST_FILE) \
$(TAR_IGNORE_EXIT_VALUE) ) \
| $(GZIP) > $$@
else ifeq ($$($1_TYPE)-$(TAR_SUPPORTS_TRANSFORM)-$$($1_UNZIP_DEBUGINFO)-$$(words $$($1_BASE_DIRS)), \
tar.gz-true-false-1)
# If only one BASE_DIR, but with a SUBDIR set, tar.gz can use the
# transform option to create bundle directly from the BASE_DIR.
$(CD) $$($1_BASE_DIRS) \
&& ( $(TAR) cf - $(TAR_CREATE_EXTRA_PARAM) \
-$(TAR_INCLUDE_PARAM) $$($1_$$($1_BASE_DIRS)_LIST_FILE) \
$$(if $$($1_SUBDIR), --transform 's|^|$$($1_SUBDIR)/|S') \
$(TAR_IGNORE_EXIT_VALUE) ) \
| $(GZIP) > $$@
else
# In all other cases, need to copy all files into a temporary location
# before creation bundle.
$(RM) -r $(SUPPORT_OUTPUTDIR)/bundles/$1/$$($1_SUBDIR)
$(MKDIR) -p $(SUPPORT_OUTPUTDIR)/bundles/$1/$$($1_SUBDIR)
$$(foreach d, $$($1_BASE_DIRS), \
( $(CD) $$d \
&& $(TAR) cf - -$(TAR_INCLUDE_PARAM) $$($1_$$d_LIST_FILE) \
$(TAR_IGNORE_EXIT_VALUE) ) \
| ( $(CD) $(SUPPORT_OUTPUTDIR)/bundles/$1/$$($1_SUBDIR) && $(TAR) xf - )$$(NEWLINE) )
# Unzip any zipped debuginfo files
ifeq ($$($1_UNZIP_DEBUGINFO), true)
for f in `$(FIND) $(SUPPORT_OUTPUTDIR)/bundles/$1/$$($1_SUBDIR) -name "*.diz"`; do \
$(CD) $$$${f%/*} && $(UNZIP) -q $$$${f} && $(RM) $$$${f}; \
done
endif
ifeq ($$($1_TYPE), tar.gz)
$(CD) $(SUPPORT_OUTPUTDIR)/bundles/$1 && \
( $(TAR) cf - $(TAR_CREATE_EXTRA_PARAM) \
$$(if $$($1_SUBDIR), $$($1_SUBDIR), .) $(TAR_IGNORE_EXIT_VALUE) ) \
| $(GZIP) > $$@
else ifeq ($$($1_TYPE), zip)
$(CD) $(SUPPORT_OUTPUTDIR)/bundles/$1 && $(ZIPEXE) -qr $$@ .
endif
endif
$1 += $(BUNDLES_OUTPUTDIR)/$$($1_BUNDLE_NAME)
endef
################################################################################
# On Macosx, we bundle up the macosx specific images which already have the
# correct base directories.
ifeq ($(OPENJDK_TARGET_OS)-$(DEBUG_LEVEL), macosx-release)
JDK_IMAGE_DIR := $(JDK_MACOSX_BUNDLE_DIR)
JRE_IMAGE_DIR := $(JRE_MACOSX_BUNDLE_DIR)
JDK_IMAGE_HOMEDIR := $(JDK_MACOSX_CONTENTS_DIR)/Home
JRE_IMAGE_HOMEDIR := $(JRE_MACOSX_CONTENTS_DIR)/Home
JDK_BUNDLE_SUBDIR :=
JRE_BUNDLE_SUBDIR :=
else
JDK_IMAGE_HOMEDIR := $(JDK_IMAGE_DIR)
JRE_IMAGE_HOMEDIR := $(JRE_IMAGE_DIR)
JDK_BUNDLE_SUBDIR := jdk-$(VERSION_NUMBER)
JRE_BUNDLE_SUBDIR := jre-$(VERSION_NUMBER)
JRE_COMPACT1_BUNDLE_SUBDIR := jre-$(VERSION_NUMBER)-compact1
JRE_COMPACT2_BUNDLE_SUBDIR := jre-$(VERSION_NUMBER)-compact2
JRE_COMPACT3_BUNDLE_SUBDIR := jre-$(VERSION_NUMBER)-compact3
ifneq ($(DEBUG_LEVEL), release)
JDK_BUNDLE_SUBDIR := $(JDK_BUNDLE_SUBDIR)/$(DEBUG_LEVEL)
JRE_BUNDLE_SUBDIR := $(JRE_BUNDLE_SUBDIR)/$(DEBUG_LEVEL)
endif
endif
################################################################################
ifneq ($(filter product-bundles, $(MAKECMDGOALS)), )
$(eval $(call FillCacheFind, $(IMAGES_OUTPUTDIR)))
SYMBOLS_EXCLUDE_PATTERN := %.debuginfo %.diz %.pdb %.map
ALL_JDK_FILES := $(call CacheFind, $(JDK_IMAGE_DIR))
# Create special filter rules when dealing with unzipped .dSYM directories on
# macosx
ifeq ($(OPENJDK_TARGET_OS), macosx)
ifeq ($(ZIP_DEBUGINFO_FILES), false)
JDK_SYMBOLS_EXCLUDE_PATTERN := $(addprefix %, \
$(call containing, .dSYM/, $(patsubst $(JDK_IMAGE_DIR)/%, %, $(ALL_JDK_FILES))))
endif
endif
JDK_BUNDLE_FILES := \
$(filter-out \
$(JDK_SYMBOLS_EXCLUDE_PATTERN) \
$(JDK_EXTRA_EXCLUDES) \
$(SYMBOLS_EXCLUDE_PATTERN) \
$(JDK_IMAGE_HOMEDIR)/demo/% \
, \
$(ALL_JDK_FILES) \
)
JDK_SYMBOLS_BUNDLE_FILES := \
$(filter \
$(JDK_SYMBOLS_EXCLUDE_PATTERN) \
$(SYMBOLS_EXCLUDE_PATTERN) \
, \
$(filter-out \
$(JDK_IMAGE_HOMEDIR)/demo/% \
, \
$(ALL_JDK_FILES) \
) \
) \
$(call CacheFind, $(SYMBOLS_IMAGE_DIR))
ALL_JRE_FILES := $(call CacheFind, $(JRE_IMAGE_DIR))
# Create special filter rules when dealing with unzipped .dSYM directories on
# macosx
ifeq ($(OPENJDK_TARGET_OS), macosx)
ifeq ($(ZIP_DEBUGINFO_FILES), false)
JRE_SYMBOLS_EXCLUDE_PATTERN := $(addprefix %, \
$(call containing, .dSYM/, $(patsubst $(JRE_IMAGE_DIR)/%, %, $(ALL_JRE_FILES))))
endif
endif
JRE_BUNDLE_FILES := $(filter-out \
$(JRE_SYMBOLS_EXCLUDE_PATTERN) \
$(SYMBOLS_EXCLUDE_PATTERN), \
$(ALL_JRE_FILES))
JRE_SYMBOLS_BUNDLE_FILES := $(filter \
$(JRE_SYMBOLS_EXCLUDE_PATTERN) \
$(SYMBOLS_EXCLUDE_PATTERN), \
$(ALL_JRE_FILES))
$(eval $(call SetupBundleFile, BUILD_JDK_BUNDLE, \
BUNDLE_NAME := $(JDK_BUNDLE_NAME), \
FILES := $(JDK_BUNDLE_FILES), \
SPECIAL_INCLUDES := $(JDK_SPECIAL_INCLUDES), \
BASE_DIRS := $(JDK_IMAGE_DIR), \
SUBDIR := $(JDK_BUNDLE_SUBDIR), \
))
PRODUCT_TARGETS += $(BUILD_JDK_BUNDLE)
$(eval $(call SetupBundleFile, BUILD_JRE_BUNDLE, \
BUNDLE_NAME := $(JRE_BUNDLE_NAME), \
FILES := $(JRE_BUNDLE_FILES), \
BASE_DIRS := $(JRE_IMAGE_DIR), \
SUBDIR := $(JRE_BUNDLE_SUBDIR), \
))
PRODUCT_TARGETS += $(BUILD_JRE_BUNDLE)
$(eval $(call SetupBundleFile, BUILD_JDK_SYMBOLS_BUNDLE, \
BUNDLE_NAME := $(JDK_SYMBOLS_BUNDLE_NAME), \
FILES := $(JDK_SYMBOLS_BUNDLE_FILES), \
BASE_DIRS := $(JDK_IMAGE_DIR) $(wildcard $(SYMBOLS_IMAGE_DIR)), \
SUBDIR := $(JDK_BUNDLE_SUBDIR), \
UNZIP_DEBUGINFO := true, \
))
PRODUCT_TARGETS += $(BUILD_JDK_SYMBOLS_BUNDLE)
$(eval $(call SetupBundleFile, BUILD_JRE_SYMBOLS_BUNDLE, \
BUNDLE_NAME := $(JRE_SYMBOLS_BUNDLE_NAME), \
FILES := $(JRE_SYMBOLS_BUNDLE_FILES), \
BASE_DIRS := $(JRE_IMAGE_DIR), \
SUBDIR := $(JRE_BUNDLE_SUBDIR), \
UNZIP_DEBUGINFO := true, \
))
PRODUCT_TARGETS += $(BUILD_JRE_SYMBOLS_BUNDLE)
endif
################################################################################
ifneq ($(filter profiles-bundles, $(MAKECMDGOALS)), )
ifeq ($(OPENJDK_TARGET_OS), macosx)
$(error Creating compact profiles bundles on macosx is unsupported)
endif
define GenerateCompactProfilesBundles
ALL_JRE_COMPACT$1_FILES := $$(call CacheFind, $$(JRE_COMPACT$1_IMAGE_DIR))
JRE_COMPACT$1_BUNDLE_FILES := $$(filter-out \
$$(SYMBOLS_EXCLUDE_PATTERN), \
$$(ALL_JRE_COMPACT$1_FILES))
$$(eval $$(call SetupBundleFile, BUILD_JRE_COMPACT$1_BUNDLE, \
BUNDLE_NAME := $$(JRE_COMPACT$1_BUNDLE_NAME), \
FILES := $$(JRE_COMPACT$1_BUNDLE_FILES), \
BASE_DIRS := $$(JRE_COMPACT$1_IMAGE_DIR), \
SUBDIR := $$(JRE_COMPACT$1_BUNDLE_SUBDIR), \
))
PROFILES_TARGETS += $$(BUILD_JRE_COMPACT$1_BUNDLE)
endef
$(eval $(call GenerateCompactProfilesBundles,1))
$(eval $(call GenerateCompactProfilesBundles,2))
$(eval $(call GenerateCompactProfilesBundles,3))
endif
################################################################################
ifneq ($(filter test-bundles, $(MAKECMDGOALS)), )
TEST_BUNDLE_FILES := $(call CacheFind, $(TEST_IMAGE_DIR))
$(eval $(call SetupBundleFile, BUILD_TEST_BUNDLE, \
BUNDLE_NAME := $(TEST_BUNDLE_NAME), \
FILES := $(TEST_BUNDLE_FILES), \
BASE_DIRS := $(TEST_IMAGE_DIR), \
))
TEST_TARGETS += $(BUILD_TEST_BUNDLE)
endif
################################################################################
ifneq ($(filter docs-bundles, $(MAKECMDGOALS)), )
DOCS_BUNDLE_FILES := $(call CacheFind, $(DOCS_IMAGE_DIR))
$(eval $(call SetupBundleFile, BUILD_DOCS_BUNDLE, \
BUNDLE_NAME := $(DOCS_BUNDLE_NAME), \
FILES := $(DOCS_BUNDLE_FILES), \
BASE_DIRS := $(DOCS_IMAGE_DIR), \
SUBDIR := docs, \
))
DOCS_TARGETS += $(BUILD_DOCS_BUNDLE)
endif
################################################################################
# Hook to include the corresponding custom file, if present.
$(eval $(call IncludeCustomExtension, Bundles.gmk))
################################################################################
product-bundles: $(PRODUCT_TARGETS)
profiles-bundles: $(PROFILES_TARGETS)
test-bundles: $(TEST_TARGETS)
docs-bundles: $(DOCS_TARGETS)
.PHONY: all default product-bundles profiles-bundles test-bundles docs-bundles