Reviewed-by: sla, never

Summary: Create well-known file with effective group of the current process
Reviewed-by: kamg, dcubed

Summary: Don't attempt to uncommit SHM-based large pages
Reviewed-by: kvn

Summary: Backout the fix for 7152031; the real bug to be fixed in jdk repo.
Reviewed-by: michaelm

Summary: Update to use the right path on MacOS X.
Reviewed-by: michaelm, jcoomes, amurillo

Summary: map read-only pages MAP_PRIVATE instead of MAP_SHARED
Reviewed-by: dcubed, dholmes
Contributed-by: dean.long@oracle.com

Summary: check stack alignment on VM entry on x64.
Reviewed-by: kvn, never

Summary: Change OSThread to use mach thread_t
Reviewed-by: phh, dcubed

Summary: Append "." to java.library.path on MacOS X to ease migration from Apple's Java6 to OpenJDK7.
Reviewed-by: phh, jmelvin, coleenp

Summary: Code cleanup and creating a private decoder for error handler, since it can be triggered from in signal handler, where no lock can be taken
Reviewed-by: dholmes, kamg, acorn, coleenp

Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa

Summary: Delete the single use of ia_nice in os_solaris.cpp
Reviewed-by: kamg, kvn

Summary: Add CriticalPriority == MaxPriority+1 and enable scheduling class as well as thread priority to change on Solaris.
Reviewed-by: dholmes, dcubed

Summary: Fix gamma launcher on Mac OS X and reconcile test_gamma script on Unix platforms
Reviewed-by: dcubed, ohair, jcoomes, dholmes, ksrini
Contributed-by: james.melvin@oracle.com

Summary: Decoder API changes did not reflect in os_bsd
Reviewed-by: kamg, dcubed

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

Summary: Add os::get_last_error(), replace getLastErrorString() by os::lasterror() in os_windows.cpp.
Reviewed-by: kamg, dholmes
Contributed-by: erik.gahlin@oracle.com

Summary: In os::free_memory() use mmap with the same attributes as for the heap space
Reviewed-by: kvn
Contributed-by: NAleksey Ignatenko <aleksey.v.ignatenko@intel.com>

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

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

Reviewed-by: dholmes, dsamersoff
Contributed-by: NChris Hegarty <chris.hegarty@oracle.com>

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

7099454: /bin/sh does not support syntax used in the src/os/posix/launcher/launcher.script shell script
Summary: Also reviewed by mikael.gerdin@oracle.com; Changed to the `` syntax instead. Also changed "source" to ".".
Reviewed-by: never, stefank, dsamersoff, rottenha

Reviewed-by: kvn, twisti, jrose
Contributed-by: NKurt Miller &lt;kurt@intricatesoftware.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Jung-uk Kim &lt;jkim@freebsd.org&gt;, Christos Zoulas &lt;christos@zoulas.com&gt;, Landon Fuller &lt;landonf@plausible.coop&gt;, The FreeBSD Foundation &lt;board@freebsdfoundation.org&gt;, Michael Franz &lt;mvfranz@gmail.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Alexander Strange <astrange@apple.com>

Reviewed-by: coleenp, minqi

Summary: Fix _numa_used_node_list array size specification
Reviewed-by: kvn, johnc, jmasa, ysr

Summary: Return correct answers from os::numa_*() for UMA machines or if NUMA API is not supported
Reviewed-by: johnc

Summary: Try using small pages when transparent huge pages allocation fails
Reviewed-by: ysr

Summary: Move syscall ids definitions into os_linux.cpp
Reviewed-by: johnc

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

Summary: Add a wrapper for sched_getcpu() for systems where libc lacks it
Reviewed-by: ysr
Contributed-by: NAndrew John Hughes <ahughes@redhat.com>

Summary: Use mmap() instead of madvise(MADV_DONTNEED) to uncommit pages
Reviewed-by: ysr

Summary: Missing suffix "A" of Windows API LookupPrivilegeValue failed finding function pointer, caused VM to disable UseLargePages option
Reviewed-by: coleenp, phh

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Summary: Fixed the warning, also fixed copyrights in a bunch of files.
Reviewed-by: johnc, kvn

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

Summary: Make the NUMA allocator behave properly with SHM and ISM large pages.
Reviewed-by: ysr

Summary: Support transparent huge pages on Linux available since 2.6.38
Reviewed-by: iveresov, ysr
Contributed-by: aph@redhat.com

Summary: Created Windows Dll wrapped to handle jdk6 and jdk7 platform requirements, also provided more restictive Dll search orders for Windows system Dlls.
Reviewed-by: acorn, dcubed, ohair, alanb