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) 2010, 2015, 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.
#
#
# Makefile to run tests from multiple sibling directories
#
# Macro to run a test target in a subdir
define SUBDIR_TEST # subdirectory target
if [ -d $1 ] ; then \
if [ -r $1/Makefile ] ; then \
$(MAKE) --no-print-directory -k -C $1 $2 ; \
else \
echo "ERROR: File does not exist: $1/Makefile"; \
exit 1; \
fi; \
else \
echo "WARNING: No testing done, directory does not exist: $1"; \
fi
endef
# Default test target (core)
default: jdk_core langtools_jtreg jaxp_all
# All testing
all: jdk_all langtools_all jaxp_all
ifeq ($(TEST_JOBS), 0)
ifeq ($(shell $(EXPR) $(JOBS) \> 50), 1)
# JTReg cannot handle more than 50 in concurrency
JDK_TEST_JOBS=50
else
JDK_TEST_JOBS=$(JOBS)
endif
else
JDK_TEST_JOBS=$(TEST_JOBS)
endif
# Test targets
langtools_% :
@$(NO_STOPPING)$(call SUBDIR_TEST, langtools, \
$(if $(JDK_TEST_JOBS), CONCURRENCY=$(JDK_TEST_JOBS)) \
JT_JAVA=$(PRODUCT_HOME) JTREG_HOME=$(JT_HOME) \
TEST="$(subst langtools_,,$@)" $(subst langtools_,,$@))
jdk_% core_%s svc_%:
@$(NO_STOPPING)$(call SUBDIR_TEST, jdk, \
$(if $(JDK_TEST_JOBS), CONCURRENCY=$(JDK_TEST_JOBS)) TEST="$@" $@)
jaxp_%:
@$(NO_STOPPING)$(call SUBDIR_TEST, jaxp, \
$(if $(JDK_TEST_JOBS), CONCURRENCY=$(JDK_TEST_JOBS)) TEST="$@" $@)
nashorn_%:
@$(NO_STOPPING)$(call SUBDIR_TEST, nashorn, \
$(if $(JDK_TEST_JOBS), CONCURRENCY=$(JDK_TEST_JOBS)) TEST="$@" $@)
SUB_MAKE_ARGS :=
ifneq ($(TEST_JOBS), 0)
ifneq ($(TEST_JOBS), )
SUB_MAKE_ARGS += CONCURRENCY=$(TEST_JOBS)
endif
endif
hotspot_%:
@$(NO_STOPPING)$(call SUBDIR_TEST, hotspot/jtreg, $(SUB_MAKE_ARGS) TEST="$@" $@)
#
# jtreg_tests
#
# Invocation:
#
# make jtreg_tests TESTDIRS=<test-dirs> TEST_SELECTION=<path to test or jtreg group> TEST_OUTPUT_DIR=<path>
#
# where <test-dirs> is something like '../<component>/test/runtime',
# <component> in turn being one of the top level directories (for
# example 'hotspot').
#
# The below will strip the path prefix and delegate to the
# corresponding ../<component>/test/Makefile.
ifneq ($(TESTDIRS),)
# Extract the component from ../test/<component>/...
TESTDIRS_NORM := $(patsubst test/%, %, $(patsubst ../%, %, $(TESTDIRS)))
COMPONENT := $(word 1,$(subst /, ,$(TESTDIRS_NORM)))
# Strip off the ../<component>/test prefix and pass the rest as TESTDIRS
# to the delegate Makefile
# The hotspot tests are in a subdir "java". Accept paths both including
# and excluding this extra subdir
TESTDIRS_TESTS := $(patsubst $(COMPONENT)/%,%,$(patsubst hotspot/jtreg/%,%, \
$(patsubst ../%, %, $(TESTDIRS_NORM))))
endif
jtreg_tests:
$(MAKE) --no-print-directory TESTDIRS=$(TESTDIRS_TESTS) \
$(COMPONENT)_jtreg_tests
################################################################
# Phony targets (e.g. these are not filenames)
.PHONY: all clean
################################################################