FreeBSD source tree https://cgit-dev.freebsd.org/src-test2/atom?h=release%2F8.2.0_cvs 2011-02-16T16:18:46Z 2011-02-16T16:18:46Z Ken Smith kensmith@FreeBSD.org 2011-02-16T16:18:46Z urn:sha1:dec99dafe5763ba1db6950342aa80a634169c083 Approved by: re (implicit) This commit was manufactured to restore the state of the 8.2-RELEASE image. 2009-12-17T20:41:27Z John Baldwin jhb@FreeBSD.org 2009-12-17T20:41:27Z urn:sha1:5ff95453ccdf27240d470a7b6a2eb6ecc9935e37 Add an internal _once() method. This works identical to pthread_once(3) with the additional property that it is safe for routines in libc to use in both single-threaded and multi-threaded processes. Multi-threaded processes use the pthread_once() implementation from the threading library while single-threaded processes use a simplified "stub" version internal to libc. 2008-08-27T02:00:53Z Jason Evans jasone@FreeBSD.org 2008-08-27T02:00:53Z urn:sha1:d6742bfbd3ecadd2bde38ccbb2351bd5c19ede1d This caching allows for completely lock-free allocation/deallocation in the steady state, at the expense of likely increased memory use and fragmentation. Reduce the default number of arenas to 2*ncpus, since thread-specific caching typically reduces arena contention. Modify size class spacing to include ranges of 2^n-spaced, quantum-spaced, cacheline-spaced, and subpage-spaced size classes. The advantages are: fewer size classes, reduced false cacheline sharing, and reduced internal fragmentation for allocations that are slightly over 512, 1024, etc. Increase RUN_MAX_SMALL, in order to limit fragmentation for the subpage-spaced size classes. Add a size-->bin lookup table for small sizes to simplify translating sizes to size classes. Include a hard-coded constant table that is used unless custom size class spacing is specified at run time. Add the ability to disable tiny size classes at compile time via MALLOC_TINY. 2008-06-23T05:22:06Z Ed Schouten ed@FreeBSD.org 2008-06-23T05:22:06Z urn:sha1:c605eea952146348e5e1ad5cab6c127d7a1bd164 Adding exevpe() has caused some ports to break. Even though execvpe() is a useful routine, it does not conform to any standards. This patch is a little bit different from the patch sent to the mailing list. I forgot to remove execvpe from the Symbol.map (which does not seem to miscompile libc, though). Reviewed by: davidxu Approved by: philip 2008-04-04T09:43:03Z Doug Rabson dfr@FreeBSD.org 2008-04-04T09:43:03Z urn:sha1:aea15cbc62561caeedb9bdf69066c497861ce077 struct flock with l_sysid member can work properly on an an old kernel which doesn't support l_sysid. Sponsored by: Isilon Systems 2007-07-04T23:27:38Z Peter Wemm peter@FreeBSD.org 2007-07-04T23:27:38Z urn:sha1:4dd719bd7f6491cea2f15846bf5ebcfd3d5e862f call the pad-less versions of the corresponding syscalls if the running kernel supports it. Check kern.osreldate once per program and cache the result to select the appropriate syscall. This maintains userland compatability with kernel.old's from quite a while back. Approved by: re (kensmith) 2007-01-12T07:31:30Z Warner Losh imp@FreeBSD.org 2007-01-12T07:31:30Z urn:sha1:7dcf45c07b5d4417b12661360b94eeab4870db14 2006-03-05T18:10:28Z Daniel Eischen deischen@FreeBSD.org 2006-03-05T18:10:28Z urn:sha1:f4cd2a5b5cd449583e601d84f31639cf3c5bbe14 The thread jump table has been resorted, so you need to keep libc, libpthread, and libthr in sync. Submitted by: xu 2006-01-12T07:28:21Z Jason Evans jasone@FreeBSD.org 2006-01-12T07:28:21Z urn:sha1:52828c0e9cfdf1681a8c16cf313294ad1413ac25 * Add posix_memalign(). * Move calloc() from calloc.c to malloc.c. Add a calloc() implementation in rtld-elf in order to make the loader happy (even though calloc() isn't used in rtld-elf). * Add _malloc_prefork() and _malloc_postfork(), and use them instead of directly manipulating __malloc_lock. Approved by: phk, markm (mentor) 2005-09-12T13:46:32Z Stefan Farfeleder stefanf@FreeBSD.org 2005-09-12T13:46:32Z urn:sha1:2ba64027bcd11ef6c7d378302a64491ea70cde91 stdio/ and stdlib/. Don't define __cleanup twice.