8173715: Remove FlatProfiler
Summary: Obsoleted Xprof flag, removed FlatProfiler code
Reviewed-by: dholmes, coleenp, vlivanov, pliden

8186072: dll_build_name returns true even if file is missing.
Summary: Split dll_build_name into two functions and consolidate to os.cpp file.
Reviewed-by: stuefe, dholmes

8186166: Generalize Atomic::cmpxchg with templates
Reviewed-by: dholmes, coleenp
Contributed-by: kim.barrett@oracle.com

8183552: Move align functions to align.hpp
Reviewed-by: stuefe, pliden

8178499: Remove _ptr_ and _size_ infixes from align functions
Reviewed-by: rehn, tschatzl

8178489: Make align functions more type safe and consistent
Reviewed-by: mgerdin, rehn

8182848: Some functions misplaced in debug.hpp
Summary: moved to vmError.hpp,cpp where they seemed more appropriate
Reviewed-by: stefank, stuefe

8181785: Remove the experimental ClearFPUAtPark JVM Flag
Summary: Removing the experimental and unstable ClearFPUAtPark optimization for SPARC
Reviewed-by: kbarrett, tschatzl, rehn

8174231: Factor out and share PlatformEvent and Parker code for POSIX systems
Reviewed-by: stuefe, rehn, dcubed

8176768: hotspot ignores PTHREAD_STACK_MIN when creating new threads
Summary: Use PTHREAD_STACK_MIN as a minimum, plus other stack size cleanup
Reviewed-by: dholmes, stuefe, dcubed

8175817: Clean up Solaris signal code: SIGUSR2, SIGasync, SIGJVM1/2
Reviewed-by: rehn, stuefe, dsamersoff

8173848: realpath is unsafe
Summary: Fix occurrences of realpath in hotspot to use safe POSIX.1-2008 form.
Reviewed-by: dsamersoff, dholmes, clanger

8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated
Reviewed-by: lfoltan, mikael, dcubed

8066474: Remove the lib/ directory from Linux and Solaris images
Reviewed-by: tbell, ihse, kvn

8157141: Fix for JDK-8031290 is unnecessarily fragile
8166454: meminfo(2) has been available since Solaris 9
Reviewed-by: dholmes, kbarrett

8140520: segfault on solaris-amd64 with "-XX:VMThreadStackSize=1" option
Summary: Split the single thread_min_stack_allowed into three distinct values (java_thread_min_stack_allowed, compiler_thread_min_stack_allowed and vm_internal_thread_min_stack_allowed) on non-Windows platforms.
Reviewed-by: dcubed, gthornbr, dholmes, coleenp, fparain, aph

8163146: Remove os::check_heap on Windows
Reviewed-by: gtriantafill, coleenp, stuefe

8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis

8161258: Simplify including platform files.
Summary: Include patform files with macros cpu_header() etc. Do various cleanups of macro usages. Remove _64/_32 from adlc generated files and platform .hpp files. Merge stubRoutines_x86*.hpp. Remove empty mutex_<os>* files.
Reviewed-by: dholmes, coleenp, kbarrett

8160997: Solaris: deprecated <pwd.h> and <gid.h> interfaces should be replaced
Summary: Use final POSIX 1003.1c versions of getgrgid_r(), getgrnam_r(), getpwnam_r(), and getpwuid_r().
Reviewed-by: alanb, dcubed, simonis, dholmes
Contributed-by: alan.burlison@oracle.com

8160350: cannot truss jdk9 [ solaris ]
Summary: Removed no longer needed code to enable or test for vtime support.
Reviewed-by: kbarrett, dcubed, gthornbr
Contributed-by: alan.burlison@oracle.com

8159335: Fix problems with stack overflow handling.
Reviewed-by: dlong, coleenp, mdoerr

8157175: GetNanoTimeAdjustment.java fails with excessive adjustment error
Reviewed-by: dcubed, gziemski

8149901: [Solaris] Use of -XX:+UseThreadPriorities crashes fastdebug
Reviewed-by: gziemski, sspitsyn

8154715: Missing destructor and/or TLS clearing calls for terminating threads
Summary: clear TLS on return from thread->run() unless already done. Prohibit asynchronous thread deletion.
Reviewed-by: stefank, sspitsyn
Contributed-by: Brian Gardner <openjdk@getsnappy.com>

8154710: [Solaris] Investigate use of in-memory low-resolution timestamps for Java and internal time API's
Reviewed-by: shade, rriggs, dcubed

8146879: Add option for handling existing log files in UL
Reviewed-by: dsamersoff, gziemski, rehn

8151322: Implement os::set_native_thread_name() on Solaris
Reviewed-by: sla, kbarrett, gziemski

8151939: VM_Version_init() print buffer is too small
Summary: Increase buffer size, use logging to print out version and os information
Reviewed-by: kvn, rprotacio, mockner

Merge

8151509: In check_addr0() function pointer is not updated correctly
Reviewed-by: dholmes, ddmitriev, stuefe
Contributed-by: cheleswer.sahu@oracle.com

8148425: strerror() function is not thread-safe
Reviewed-by: dholmes, coleenp

8146683: check_addr0 should be more efficient
Reviewed-by: dsamersoff, kevinw, dholmes
Contributed-by: cheleswer.sahu@oracle.com

8150619: Improve thread based logging introduced with 8149036
Reviewed-by: coleenp, dholmes

8149036: Add tracing for thread related events at os level
Reviewed-by: coleenp, mlarsson, dholmes

8146751: jdk/test/tools/launcher/TooSmallStackSize.java failed on Mac OS
Reviewed-by: dholmes, gtriantafill

8129419: heapDumper.cpp: assert(length_in_bytes > 0) failed: nothing to copy
Reviewed-by: dsamersoff

8143558: evaluate if thr_sigsetmask can be removed from hotspot (solaris) codebase
Reviewed-by: dholmes

8139864: Improve handling of stack protection zones.
Reviewed-by: stuefe, coleenp, fparain

8144219: [posix] Remove redundant code around os::print_siginfo()
Summary: for posix platforms, consolidate os::print_siginfo() in os_posix.cpp and remove cds fault special handling
Reviewed-by: dholmes, simonis

8145114: const-correctness for ucontext_t* reading functions
Reviewed-by: dholmes, coleenp

8046936: JEP 270: Reserved Stack Areas for Critical Sections
Reviewed-by: acorn, dcubed

8144881: Various fixes to linux/sparc
Summary: Fixed sigflags printing, format specfiers, codeCache includes and some function returns
Reviewed-by: dsamersoff, simonis

8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
Summary: Used compiled-based TLS when available. Additional contributions by Thomas Stufe (AIX) and Andrew Haley (Aarch64)
Reviewed-by: stuefe, bdelsart, dcubed

8143291: Remove redundant coding around os::exception_name
Reviewed-by: dholmes, coleenp

8136978: Much nearly duplicated code for vmError support
Summary: moved all non os specific code in vmError_[os].cpp to vmError_posix.cpp, moved os specific code to os_[os].cpp and refactored all other references accordingly
Reviewed-by: stuefe, coleenp, dholmes

8141024: [Solaris] Obsolete UseAltSigs
Reviewed-by: dcubed, ddmitriev

8141042: Typos and refactoring in Compiler constraints functions
Reviewed-by: vlivanov, zmajo, kvn

8129526: Solaris: clean up another remnant of interruptible I/O
Reviewed-by: fparain, dcubed

8140274: methodHandles and constantPoolHandles should be passed as const references
Summary: modified code to use const reference parameters
Reviewed-by: sspitsyn, twisti

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

8130212: Thread::current() might access freed memory on Solaris
Reviewed-by: kvn, twisti, stuefe

8026324: hs_err improvement: Add summary section to hs_err file
8026333: hs_err improvement: Print GC Strategy
8026336: hs_err improvement: Print compilation mode, server, client or tiered
Summary: Added command line, summary cpu and os information to summary section. Moved time of crash and duration in summary section. Add GC strategy and compiler setting (tiered) to enhanced version string in error report. Moved the stack trace sooner in hs_err file.
Reviewed-by: dholmes, ctornqvi, ddmitriev

8087322: Implement a Semaphore utility class
Reviewed-by: kbarrett, dholmes

Merge

8085865: hs_err improvement: Printing /proc/cpuinfo makes too long hs_err files
Summary: summarize information from linux-x86; it's too long and redundant
Reviewed-by: gtriantafill, dholmes, mgerdin, dcubed

8079473: allow demangling to be optional in dll_address_to_function_name
Summary: add a demangling boolean argument to dll_address_to_function_name and decode
Reviewed-by: dholmes, simonis

8080718: Make -XX:CreateCoredumpOnCrash control core dumping in all cases
Reviewed-by: sla, dholmes, gtriantafill

8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
Summary: Rename CreateMinidumpOnCrash which is used only for Windows as CreateCoredumpOnCrash and make it available for all platforms. Changed order for dumping core on Windows to be similar on other platforms. Also reviewed by thomas.stuefe@gmail.com
Reviewed-by: dcubed
Contributed-by: yumin.qi@oracle.com, thomas.stuefe@gmail.com

8074895: os::getenv is inadequate
Reviewed-by: dholmes, coleenp

8068730: Increase the precision of the implementation of java.time.Clock.systemUTC()
Summary: Changes the implementation of java.time.Clock.systemUTC() to take advantage of the maximum resolution of the underlying native clock on which System.currentTimeMillis() is based.
Reviewed-by: dholmes, rriggs, scolebourne, sla

8059586: hs_err report should treat redirected core pattern
Reviewed-by: dholmes, sla, stuefe
Contributed-by: Yasumasa Suenaga <yasuenag@gmail.com>

Merge

8060074: os::free() takes MemoryTrackingLevel but doesn't need it
Summary: Cleaned up unused arguments in os::free and it's callers.
Reviewed-by: lfoltan, coleenp, ctornqvi, dholmes
Contributed-by: max.ockner@oracle.com

Merge

Merge

8061467: Bad page size passed to setup_large_pages() on Solaris
Reviewed-by: tschatzl, mgerdin

8049367: Modular Run-Time Images
Reviewed-by: chegar, dfuchs, ihse, joehw, mullan, psandoz, wetmore
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, bradford.wetmore@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, james.laskey@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com, sundararajan.athijegannathan@oracle.com

Merge

8043770: File leak in MemNotifyThread::start() in hotspot.src.os.linux.vm.os_linux.cpp
Summary: Fixed by removing all code related to LowMemoryProtection, which removed offending code.
Reviewed-by: dholmes, minqi

8062370: Various minor code improvements
Summary: A lot of fixes useful to improve the code quality.
Reviewed-by: coleenp, dholmes

8061552: Contended Locking speedup PlatformEvent unpark bucket
Summary: JEP-143/JDK-8046133 - optimization #2 - speedup PlatformEvent unpark bucket.
Reviewed-by: acorn, dice, dholmes
Contributed-by: dave.dice@oracle.com, karen.kinnear@oracle.com, daniel.daugherty@oracle.com

8061618: Removed unused networking functions from os class
Reviewed-by: lfoltan, hseigel, dholmes

8057777: Cleanup of old and unused VM interfaces
Reviewed-by: coleenp, hseigel, alanb, sherman

Merge

Merge

Merge

Merge

Merge

8049536: os::commit_memory on Solaris uses aligment_hint as page size
Reviewed-by: stefank, tschatzl

8056039: Hotspot does not compile with clang 3.4 on Linux
Reviewed-by: brutisso, sla

Merge

8057109: manual cleanup of white space issues prior to Contended Locking reorder and cache line bucket
Reviewed-by: fparain, sspitsyn, coleenp

8057107: cleanup indent white space issues prior to Contended Locking reorder and cache line bucket
Reviewed-by: fparain, sspitsyn, coleenp

8056242: Add function to return structured information about loaded libraries.
Summary: Return structured information about loaded libraries.
Reviewed-by: sla, dsamersoff
Contributed-by: fredrik.arvidsson@oracle.com

Merge

Merge

8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Summary: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Reviewed-by: lfoltan, coleenp, dholmes

8030763: Validate global memory allocation
Summary: Add length checks where necessary
Reviewed-by: coleenp, mschoene

8047714: Fix for JDK-6546236 made Solaris os::yield() a no-op
Reviewed-by: hseigel, lfoltan

8047104: cleanup misc issues prior to Contended Locking reorder and cache
Summary: Checkpoint misc cleanups for Contended Locking prior to first optimization bucket.
Reviewed-by: dholmes, sspitsyn, dice

8048241: Introduce umbrella header os.inline.hpp and clean up includes
Reviewed-by: coleenp, dholmes, lfoltan

Merge

8044775: Improve usage of umbrella header atomic.inline.hpp.
Reviewed-by: stefank, kvn

8043630: Method os::yield_all() should be removed
Reviewed-by: dholmes, dsimms

8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
Summary: Checkpoint do_space_filter.ksh cleanups for Contended Locking.
Reviewed-by: sspitsyn, coleenp

8042195: Introduce umbrella header orderAccess.inline.hpp.
Reviewed-by: dholmes, kvn, stefank, twisti

8040140: System.nanoTime() is slow and non-monotonic on OS X
Reviewed-by: sspitsyn, shade, dholmes, acorn

8038473: Remove support for old T1 libthread
Reviewed-by: dholmes, coleenp, acorn, dcubed

8038201: Clean up misleading usage of malloc() in init_system_properties_values()
Summary: Remove the misleading malloc macro and cleanup the code
Reviewed-by: dsamersoff, kvn
Contributed-by: goetz.lindenmaier@sap.com

6536943: Bogus -Xcheck:jni warning for SIG_INT action for SIGINT in JVM started from non-interactive shell
Summary: Under non-interactive shell, with -Xcheck:jni, check_signal_handler will print out Warning for SHURDOWN2_SIGNAL (SIGINT) which is replaced by non-interactive shell. Fix by supply more information of the replacement to user.
Reviewed-by: acorn, dsamersoff
Contributed-by: yumin.qi@oracle.com

8036128: Remove deprecated VM flag UseVMInterruptibleIO
Reviewed-by: acorn, dholmes, dcubed, coleenp

Merge

6546236: Thread interrupt() of Thread.sleep() can be lost on Solaris due to race with signal handler
Reviewed-by: dholmes, dcubed

Merge

Merge

Merge

8020775: PPC64 (part 12): posix signal printing
Summary: Implement methods printing posix signal information and call them in unix os files.
Reviewed-by: kvn, dholmes, twisti
Contributed-by: thomas.stuefe@sap.com

8029775: Solaris code cleanup
8033464: Linux code cleanup
Summary: cleaned up warnings in solaris and linux specific os code.
Reviewed-by: coleenp, fparain, dcubed
Contributed-by: gerald.thornbrugh@oracle.com

8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
Summary: decoupled the '-XXaltjvm=<path>' option from the gamma launcher. Clearing the way for removing the remaining cruft associated with the previously removed gamma launcher.
Reviewed-by: dcubed, dholmes

8028280: ParkEvent leak when running modified runThese which only loads classes
Summary: Use spin lock to manage ParkEvent and PlatformEvent free lists.
Reviewed-by: dholmes, fparain

8031968: Mac OS X: VM starts the agent by calling both Agent_OnAttach and Agent_OnAttach_L functions if its agent library is dynamically linked.
Summary: Make sure we only look for statically linked agents in the main process image
Reviewed-by: dsamersoff, bpittore, dcubed

8010722: assert: failed: heap size is too big for compressed oops
Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes

8007074: SIGSEGV at ParMarkBitMap::verify_clear()
Summary: Replace the broken large pages implementation on Linux. New flag: -XX:+UseTransparentHugePages - Linux specific flag to turn on transparent huge page hinting with madvise(..., MAP_HUGETLB). Changed behavior: -XX:+UseLargePages - tries to use -XX:+UseTransparentHugePages before trying other large pages implementations (on Linux). Changed behavior: -XX:+UseHugeTLBFS - Use upfront allocation of Large Pages instead of using the broken implementation to dynamically committing large pages. Changed behavior: -XX:LargePageSizeInBytes - Turned off the ability to use this flag on Linux and provides warning to user if set to a value different than the OS chosen large page size. Changed behavior: Setting no large page size - Now defaults to use -XX:UseTransparentHugePages if the OS supports it. Previously, -XX:+UseHugeTLBFS was chosen if the OS was configured to use large pages.
Reviewed-by: tschatzl, dcubed, brutisso

Merge

8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
Summary: Remove obsolete code that relates to ISM which was used only on Solaris 8.
Reviewed-by: kvn, twisti

8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
Summary: Dl_info struct should only be used if dladdr() has returned non-zero (no errors) and always check the dladdr() return value; Dl_info.dli_sname and Dl_info.dli_saddr fields should only be used if non-NULL; update/improve runtime/6888954/vmerrors.sh test
Reviewed-by: dsamersoff, zgu, hseigel, coleenp

8013651: NMT: reserve/release sequence id's in incorrect order due to race
Summary: Fixed NMT race condition for realloc, uncommit and release
Reviewed-by: coleenp, ccheung

7178026: os::close can restart ::close but that is not a restartable syscall
Summary: Removed restart macros from all os:close calls on Solaris, Linux, MacOS X platforms.
Reviewed-by: dcubed, dholmes

8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
Summary: Detect mmap() commit failures in Linux and Solaris os::commit_memory() impls and call vm_exit_out_of_memory(). Add os::commit_memory_or_exit(). Also tidy up some NMT accounting and some mmap() return value checking.
Reviewed-by: zgu, stefank, dholmes, dsamersoff

8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

Merge

8012260: ciReplay: Include PID into the name of replay data file
Reviewed-by: kvn, twisti

8011661: Insufficient memory message says "malloc" when sometimes it should say "mmap"
Reviewed-by: coleenp, zgu, hseigel

Merge

8003310: Enable -Wunused-function when compiling with gcc
Summary: Add the -Wunused-function flag and remove a number of unused functions.
Reviewed-by: dholmes, coleenp, kvn

8006103: [parfait] Possible null pointer dereference at hotspot/src/os/linux/vm/os_linux.cpp; os_windows.cpp; os_solaris.cpp; os_bsd.cpp
Reviewed-by: zgu, iklam

7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
Summary: Ergonomics now also takes available virtual memory into account when deciding for a heap size. The helper method to determine the maximum allocatable memory block now uses the appropriate OS specific calls to retrieve available virtual memory for the java process. In 32 bit environments this method now also searches for the maximum actually reservable amount of memory. Merge previously separate implementations for Linux/BSD/Solaris into a single method.
Reviewed-by: jmasa, tamao

Merge

8004697: SIGSEGV on Solaris sparc with -XX:+UseNUMA
Summary: Don't scan pages outside the given range.
Reviewed-by: jwilhelm, jmasa

8008257: NMT: assert(new_rec->is_allocation_record()) failed when running with shared memory option
Summary: Corrected virtual memory recording and tagging code when large pages are used
Reviewed-by: coleenp, ccheung

6749267: Signal handler should save/restore errno
Summary: Save errno before processing signal, then restore it.
Reviewed-by: acorn, sspitsyn

8007779: os::die() on solaris should generate core file
Reviewed-by: dholmes, rbackman

8004902: correctness fixes motivated by contended locking work (6607129)
Summary: misc correctness fixes
Reviewed-by: acorn, dholmes, dice, sspitsyn
Contributed-by: dave.dice@oracle.com

8005044: remove crufty '_g' support from HS runtime code
Summary: Phase 2 is removing '_g' support from the Runtime code.
Reviewed-by: dcubed, coleenp, hseigel
Contributed-by: ron.durbin@oracle.com

Merge

8003240: x86: move MacroAssembler into separate file
Reviewed-by: kvn

8003935: Simplify the needed includes for using Thread::current()
Reviewed-by: dholmes, rbackman, coleenp

8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
Summary: dll_dir can contain multiple paths, need to parse them correctly when loading agents
Reviewed-by: dholmes, dlong
Contributed-by: bill.pittore@oracle.com

7199092: NMT: NMT needs to deal overlapped virtual memory ranges
Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.
Reviewed-by: acorn, coleenp

7189254: Change makefiles for more flexibility to override defaults
Summary: Change makefiles so that targets and parameters can be overridden by alternate makefiles.
Reviewed-by: dholmes, coleenp

8000102: Resolve include conflicts
Summary: Removing include of c1/c1_runtime.hpp and opto/runtime.hpp from all os-files.
Reviewed-by: kvn
Contributed-by: nils.eliasson@oracle.com

7190089: NMT ON: NMT failed assertion on thread's stack base address
Summary: Solaris only, record stack info to NMT after stack size adjustment was made for primordial threads
Reviewed-by: kvn, acorn, coleenp

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

7129724: MAC: Core file location is wrong in crash report
Summary: Updated core path location to reflect macosx default
Reviewed-by: dholmes, kamg

6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

7165755: OS Information much longer on linux than other platforms
Reviewed-by: sla, dholmes

7147740: add assertions to check stack alignment on VM entry from generated code (x64)
Summary: check stack alignment on VM entry on x64.
Reviewed-by: kvn, never

7142586: Cannot build on Solaris 11 due to use of ia_nice
Summary: Delete the single use of ia_nice in os_solaris.cpp
Reviewed-by: kamg, kvn

7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
Summary: Add CriticalPriority == MaxPriority+1 and enable scheduling class as well as thread priority to change on Solaris.
Reviewed-by: dholmes, dcubed

7071311: Decoder enhancement
Summary: Made decoder thread-safe
Reviewed-by: coleenp, kamg

7124829: NUMA: memory leak on Linux with large pages
Summary: In os::free_memory() use mmap with the same attributes as for the heap space
Reviewed-by: kvn
Contributed-by: Aleksey Ignatenko <aleksey.v.ignatenko@intel.com>

Merge

7091417: recvfrom's 6th input should be of type socklen_t
Summary: Revamp class os's socket method formal args to match socket.h, insert casts in appropriate places, and copyin-copyout int*'s that s/b socklen_t*'s in jvm.cpp.
Reviewed-by: coleenp, dholmes
Contributed-by: erik.gahlin@oracle.com, rickard.backman@oracle.com, nils.loodin@oracle.com, markus.gronlund@oracle.com

7117303: VM uses non-monotonic time source and complains that it is non-monotonic
Summary: Replaces calls to os::javaTimeMillis(), which does not (and cannot) guarantee monotonicity, in GC code to an equivalent expression that uses os::javaTimeNanos(). os::javaTimeNanos is guaranteed monotonically non-decreasing if the underlying platform provides a monotonic time source. Changes in OS files are to make use of the newly defined constants in globalDefinitions.hpp.
Reviewed-by: dholmes, ysr

7110017: is_headless_jre should be updated to reflect the new location of awt toolkit libraries
Reviewed-by: dholmes, dsamersoff
Contributed-by: Chris Hegarty <chris.hegarty@oracle.com>

7098194: integrate macosx-port changes
Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: Christos Zoulas <christos@zoulas.com>, Greg Lewis <glewis@eyesbeyond.com>, Kurt Miller <kurt@intricatesoftware.com>, Alexander Strange <astrange@apple.com>, Mike Swingler <swingler@apple.com>, Roger Hoover <rhoover@apple.com>, Victor Hernandez <vhernandez@apple.com>, Pratik Solanki <psolanki@apple.com>

7051189: Need to suppress info message if -xcheck:jni used with libjsig.so
Reviewed-by: coleenp, minqi

7082969: NUMA interleaving
Summary: Support interleaving on NUMA systems for collectors that don't have NUMA-awareness.
Reviewed-by: iveresov, ysr
Contributed-by: Tom Deneau <tom.deneau@amd.com>

6791672: enable 1G and larger pages on solaris
Reviewed-by: ysr, iveresov, johnc

7061225: os::print_cpu_info() should support os-specific data
Reviewed-by: dholmes, never, jwilhelm, kvn

7040485: Use transparent huge page on linux by default
Summary: Turn on UseLargePages by default but try only HugeTLBFS method if it is not explicitly specified on the command line.
Reviewed-by: ysr

7037939: NUMA: Disable adaptive resizing if SHM large pages are used
Summary: Make the NUMA allocator behave properly with SHM and ISM large pages.
Reviewed-by: ysr

Merge

7022037: Pause when exiting if debugger is attached on windows
Reviewed-by: dsamersoff, kamg, hosterda

Merge

7018101: os::dll_address_to_function_name returning wrong answers in 64 bit
Reviewed-by: acorn, kvn, dsamersoff

6588413: Use -fvisibility=hidden for gcc compiles
Summary: Add option for gcc 4 and above, define JNIEXPORT and JNIIMPORT to visibility=default, add for jio_snprintf and others since -fvisibility=hidden overrides --version-script definitions.
Reviewed-by: kamg, never

7009828: Fix for 6938627 breaks visualvm monitoring when -Djava.io.tmpdir is defined
Summary: Change get_temp_directory() back to /tmp and %TEMP% like it always was and where the tools expect it to be.
Reviewed-by: phh, dcubed, kamg, alanb

Merge

7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
Summary: Track allocated bytes in Thread's, update on TLAB retirement and direct allocation in Eden and tenured, add JNI methods for ThreadMXBean.
Reviewed-by: coleenp, kvn, dholmes, ysr

7009975: Large file support broken in hs20-b04
Reviewed-by: phh, acorn, kamg

Merge

7006505: Use kstat info to identify SPARC processor
Summary: read Solaris kstat data to get more precise CPU information
Reviewed-by: iveresov, never, twisti, dholmes

6961186: Better VM handling of unexpected exceptions from application native code
Summary: Trap uncaught C++ exception on Windows and Solaris and generate hs_err report.
Reviewed-by: coleenp, bobv, dholmes

Merge

7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never

6348631: remove the use of the HPI library from Hotspot
Summary: move functions from hpi library to hotspot, communicate with licensees and open source community, check jdk for dependency, file CCC request
Reviewed-by: coleenp, acorn, dsamersoff

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

6751923: JNDI wake up when clock_settime() is called
Summary: Ported Chris Phillips' patch from jdk5 to jdk7
Reviewed-by: chrisphi, coleenp

6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
Summary: min_stack_allowed is a compile time constant and Stack*Pages are settable
Reviewed-by: dholmes, kvn

6763959: java.util.concurrent.locks.LockSupport.parkUntil(0) blocks forever
Summary: Absolute time 0 needs to return immediately.
Reviewed-by: phh, dcubed, dholmes

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

6967423: Hotspot support for modules image
Summary: Add hotspot support for modules image
Reviewed-by: acorn

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

6888954: argument formatting for assert() and friends
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed

6938627: Make temporary directory use property java.io.tmpdir when specified
Summary: Get java.io.tmpdir property in os::get_temp_directory() and call this instead of harcoding "/tmp". Don't assume trailing file_separator either.
Reviewed-by: dholmes, kamg

6929067: Stack guard pages should be removed when thread is detached
Summary: Add code to unmap stack guard area when thread is detached.
Reviewed-by: coleenp, kamg

6843629: Make current hotspot build part of jdk5 control build
Summary: Source changes for older compilers plus makefile changes.
Reviewed-by: xlu

6822370: ReentrantReadWriteLock: threads hung when there are no threads holding onto the lock (Netra x4450)
Summary: This day one bug is caused by missing memory barriers in various Parker::park() paths that can result in lost wakeups and hangs.
Reviewed-by: dice, acorn

6863420: os::javaTimeNanos() go backward on Solaris x86
Summary: Use new atomic long load method Atomic::load() to load max_hrtime.
Reviewed-by: never, ysr, johnc, phh, dcubed, acorn

6819213: revive sun.boot.library.path
Summary: Support multiplex and mutable sun.boot.library.path
Reviewed-by: acorn, dcubed, xlu

6541756: Reduce executable C-heap
Summary: Add executable parameters to reserve_memory and commit_memory to reduce executable memory to only the Code Heap.
Reviewed-by: xlu, kvn, acorn

Merge

6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

6812587: Use auxv to determine SPARC hardware features on Solaris
Summary: A similar function to getisax(2) should be used to determine all possible instruction set extensions.
Reviewed-by: never, kvn

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
Summary: replaced localtime() with localtime_r() on Solaris and Linux.
Reviewed-by: apetrusenko, dholmes, jmasa

6784100: getTimeNanos - CAS reduction
Summary: Get rid of the CAS loop in getTimeNanos to reduce coherence traffic on Solaris.
Reviewed-by: acorn, kvn, ysr

6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
Summary: Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.
Reviewed-by: acorn, jcoomes

6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
Summary: In os::Linux::rebuild_cpu_to_node_map() fix the size of the CPU bitmap. Fixed arithmetic in MutableNUMASpace::adaptive_chunk_size() that could cause overflows and underflows of the chunk_size variable.
Reviewed-by: apetrusenko

6718879: cannot build on solaris nevada
Reviewed-by: xlu

6762004: 6532536 fix contains changes in os_solaris.cpp which were pushed by mistake
Reviewed-by: kvn

Merge

6532536: Optimize arraycopy stubs for Intel cpus
Summary: Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold

6673124: Runtime.availableProcessors / os::active_processor_count wrong if unused processor sets exist
Reviewed-by: acorn, dholmes

Merge

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

Merge

Merge

6723228: NUMA allocator: assert(lgrp_id != -1, "No lgrp_id set")
6723229: NUMA allocator: assert(lgrp_num > 0, "There should be at least one locality group")
Summary: The fix takes care of the assertion triggered during TLAB resizing after reconfiguration. Also it now handles a defect in the topology graph, in which a single leaf node doesn't have memory.
Reviewed-by: jmasa

6720130: NUMA allocator: The linux version should search for libnuma.so.1
Summary: Search for libnuma.so.1 on Linux and liblgrp.so.1 on Solaris.
Reviewed-by: jmasa

6721093: -XX:AppendRatio=N not supported
Summary: Add mechanism to ignore unsupported flags for a set period of time
Reviewed-by: acorn, never, coleenp

6716785: implicit null checks not triggering with CompressedOops
Summary: allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check
Reviewed-by: kvn, jmasa, phh, jcoomes

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator.
Summary: Don't move tops of the chunks in ensure_parsibility(). Handle the situation with Solaris when a machine has a locality group with no memory.
Reviewed-by: apetrusenko, jcoomes, ysr

6684395: Port NUMA-aware allocator to linux
Summary: NUMA-aware allocator port to Linux
Reviewed-by: jmasa, apetrusenko

6671882: memory access after free in solaris/vm/os_solaris.cpp
Summary: Corrected the wrong memory access problem and made some minor clean ups
Reviewed-by: dholmes, jcoomes

6642862: Code cache allocation fails with large pages after 6588638
Reviewed-by: apetrusenko

6667833: Remove CacheTimeMillis
Summary: Remove -XX:+CacheTimeMillis option and associated functionality
Reviewed-by: acorn, never

6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file
Summary: os::attempt_reserve_memory_at() now passes an address hint to mmap
Reviewed-by: kamg, dice

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