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This is the user space slab memory allocator, umem, first available in Solaris 9 (SunOS 5.4) now the default allocator on Solaris and Illumos. This implementation has been ported to other popular operating systems, such as Linux, Windows and BSDish systems (including Darwin/OSX) by OmniTI (portableumem) and includes changes made by Joyent as part of their ongoing work to improve SmartOS.
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Wez Furlong b9dc821378 move umem_startup constructor to the umem .so itself, rather than 
the malloc replacement.

Rename ec_atomic to umem_atomic.

Add a posix_memalign function.

-ldl isn't universal; make a configure check for it.
2010-06-26 13:10:39 +00:00
sys update copyright info 2008-06-03 03:48:16 +00:00
.cvsignore Add --enable-malloc-replacement option, for using libumem as a malloc replacement 2006-09-03 12:48:23 +00:00
AUTHORS Build a basic shared library on Linux; may not work! 2006-03-11 17:15:25 +00:00
autogen.sh don't clobber our nice copyright file with GPL 2006-03-11 18:55:22 +00:00
ChangeLog Build a basic shared library on Linux; may not work! 2006-03-11 17:15:25 +00:00
configure.ac move umem_startup constructor to the umem .so itself, rather than 2010-06-26 13:10:39 +00:00
COPYING Build a basic shared library on Linux; may not work! 2006-03-11 17:15:25 +00:00
COPYRIGHT update copyright info 2008-06-03 03:48:16 +00:00
Doxyfile.in Use doxygen to build docs; generate spec file using configure; use tar.bz2 instead of tar.gz 2006-05-13 20:37:27 +00:00
envvar.c update copyright info 2008-06-03 03:48:16 +00:00
gdb-macros add gdb macros 2007-03-17 22:46:01 +00:00
getpcstack.c update copyright info 2008-06-03 03:48:16 +00:00
i386_subr_sol.s Initial revision 2006-03-10 02:45:59 +00:00
init_lib.c * allow the sbrk backend to be requested via UMEM_OPTIONS=backend=sbrk, but note that this appears to be broken on non-solaris platforms. 2010-04-30 21:27:09 +00:00
init_stand.c Initial revision 2006-03-10 02:45:59 +00:00
linktest_stand.c Initial revision 2006-03-10 02:45:59 +00:00
Makefile.am move umem_startup constructor to the umem .so itself, rather than 2010-06-26 13:10:39 +00:00
malloc.c move umem_startup constructor to the umem .so itself, rather than 2010-06-26 13:10:39 +00:00
misc.c improve compatibility with PPC platforms. 2010-02-19 15:14:55 +00:00
misc.h update copyright info 2008-06-03 03:48:16 +00:00
NEWS Build a basic shared library on Linux; may not work! 2006-03-11 17:15:25 +00:00
OPENSOLARIS.LICENSE Initial revision 2006-03-10 02:45:59 +00:00
README update copyright info 2008-06-03 03:48:16 +00:00
README-alpha tweak for svn 2007-03-17 17:31:57 +00:00
sol_compat.h move umem_startup constructor to the umem .so itself, rather than 2010-06-26 13:10:39 +00:00
sparc_subr_sol.s Initial revision 2006-03-10 02:45:59 +00:00
stand_mapfile Initial revision 2006-03-10 02:45:59 +00:00
stub_stand.c Initial revision 2006-03-10 02:45:59 +00:00
TODO Use doxygen to build docs; generate spec file using configure; use tar.bz2 instead of tar.gz 2006-05-13 20:37:27 +00:00
umem.c move umem_startup constructor to the umem .so itself, rather than 2010-06-26 13:10:39 +00:00
umem.h Use doxygen to build docs; generate spec file using configure; use tar.bz2 instead of tar.gz 2006-05-13 20:37:27 +00:00
umem.spec.in packaging tweaks from Rich 2007-09-04 14:05:27 +00:00
umem_agent_support.c update copyright info 2008-06-03 03:48:16 +00:00
umem_alloc.3 add man pages from opensolaris 2007-03-17 18:03:10 +00:00
umem_base.h Initial revision 2006-03-10 02:45:59 +00:00
umem_cache_create.3 add man pages from opensolaris 2007-03-17 18:03:10 +00:00
umem_debug.3 add man pages from opensolaris 2007-03-17 18:03:10 +00:00
umem_fail.c update copyright info 2008-06-03 03:48:16 +00:00
umem_fork.c update copyright info 2008-06-03 03:48:16 +00:00
umem_impl.h update copyright info 2008-06-03 03:48:16 +00:00
umem_test.c Add --enable-malloc-replacement option, for using libumem as a malloc replacement 2006-09-03 12:48:23 +00:00
umem_test2.c Add another test program 2006-07-25 20:15:33 +00:00
umem_test3.c fixup malloc replacement on 64-bit systems; was missing a configure check. 2007-08-03 15:05:00 +00:00
umem_test4 fix portability issue reported by Mito 2008-06-03 03:39:58 +00:00
umem_update_thread.c update copyright info 2008-06-03 03:48:16 +00:00
vmem.c merge some OSX related fixes from ecelerity 2006-10-13 15:54:13 +00:00
vmem_base.c Initial revision 2006-03-10 02:45:59 +00:00
vmem_base.h Initial revision 2006-03-10 02:45:59 +00:00
vmem_mmap.c update copyright info 2008-06-03 03:48:16 +00:00
vmem_sbrk.c update copyright info 2008-06-03 03:48:16 +00:00
vmem_stand.c Initial revision 2006-03-10 02:45:59 +00:00
vmem_stand.h Initial revision 2006-03-10 02:45:59 +00:00

README 

Portable libumem.
================

This is a port of Solaris libumem to non-Solaris systems.

The port was made while integrating libumem with our Ecelerity MTA product, so
your initial experience will not be 100% out-of-the-box, because there is no
standalone configure script for the library at this time. (patches welcome!)

In addition, since our deployment is threaded, we force the library into
threaded mode.

While the library is itself stable (it's the memory allocator used by the
Solaris OS), the port may have a few rough edges.  We're shipping umem with
Linux and Windows versions of our product as we have found it to be stable.

We will continue to update this project as and when we make improvements, and
welcome third-party patches that improve the usability for everyone.

 
Wez Furlong,
Message Systems, Inc.
wez (at) messagesystems (dot) com