)]}' { "log": [ { "commit": "e31bfae2baa96742f998155ee26e56c826a8ce3a", "tree": "b12cfb44ad035c26278f42fa9b19095e90b79e95", "parents": [ "8180b08fb2f27052f9df2ae4787bb5bf409f13e0" ], "author": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@android.com", "time": "Tue Nov 15 15:47:02 2011 +0100" }, "committer": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Wed Nov 16 16:28:10 2011 +0100" }, "message": "bionic: Do not use \u003csys/atomics.h\u003e for platform code.\n\nWe\u0027re going to modify the __atomic_xxx implementation to provide\nfull memory barriers, to avoid problems for NDK machine code that\nlink to these functions.\n\nFirst step is to remove their usage from our platform code.\nWe now use inlined versions of the same functions for a slight\nperformance boost.\n\n+ remove obsolete atomics_x86.c (was never compiled)\n\nNOTE: This improvement was benchmarked on various devices.\n Comparing a pthread mutex lock + atomic increment + unlock\n we get:\n\n - ARMv7 emulator, running on a 2.4 GHz Xeon:\n before: 396 ns after: 288 ns\n\n - x86 emulator in KVM mode on same machine:\n before: 27 ns after: 27 ns\n\n - Google Nexus S, in ARMv7 mode (single-core):\n before: 82 ns after: 76 ns\n\n - Motorola Xoom, in ARMv7 mode (multi-core):\n before: 121 ns after: 120 ns\n\nThe code has also been rebuilt in ARMv5TE mode for correctness.\n\nChange-Id: Ic1dc72b173d59b2e7af901dd70d6a72fb2f64b17\n" }, { "commit": "519763265ec0b634bd9c264a0aca034882458ecc", "tree": "263dc7f4fa4256869cea19e6ea8a077d29bd95ad", "parents": [ "a02b93bd75a9d156117264d88069566e447397e2" ], "author": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Mon Jun 28 14:10:14 2010 -0700" }, "committer": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Fri Jul 02 15:09:57 2010 -0700" }, "message": "libc: Fix sem_post() implementation to wake up all waiting threads.\n\nThis also allows us to optimize the case where we increment an\nuncontended semaphore (no need to call futex_wake() then).\n\nChange-Id: Iad48efe8551dc66dc89d3e3f18c001e5a6c1939f\n" }, { "commit": "6c8a2f2a5bc8d612ee953f528f2b5eb35983656a", "tree": "7dd45d3e3162220578e93a6cb7244b4209b1c7c5", "parents": [ "038fbae518e904c7aba64779714a22dbeeb90887" ], "author": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Thu Jun 10 23:34:24 2010 -0700" }, "committer": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Fri Jun 11 13:49:09 2010 -0700" }, "message": "libc: remove cutils dependencies\n\nWe simply copy the stuff we need from cutils headers.\n\nA future patch will change cutils to include the private \u003cbionic_atomic_inline.h\u003e\n\nChange-Id: Ib6fd9a03bc9e337ce867bd606dc94c2b4438480a\n" }, { "commit": "6304d8b21891fd0cb7b5a4c25159a3d3b1709d62", "tree": "8ab9c2bf6022f139b7af2eabda11846abf684171", "parents": [ "a8a21488630980c1d2a2152d0ac39bd7978879e2" ], "author": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Wed Jun 02 18:12:12 2010 -0700" }, "committer": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Tue Jun 08 17:04:49 2010 -0700" }, "message": "Use private futexes for semaphores, unless they are initialized with pshared !\u003d 0.\n\nChange-Id: I534e36a7171cd37037ae03b910ba71ea6968286d\nNote: previously, sem_init() would return an error if pshared !\u003d 0.\n" }, { "commit": "fcd00ebbdf3e7f4e1e7782a65ae10fb0fc03a1aa", "tree": "859e86f36d6bf63ee284c65fff114bbbfdeff38f", "parents": [ "4fdbadde921ec17b4ff9e97fbd41096903b21772" ], "author": { "name": "Andy McFadden", "email": "fadden@android.com", "time": "Fri May 28 13:31:45 2010 -0700" }, "committer": { "name": "Andy McFadden", "email": "fadden@android.com", "time": "Fri May 28 16:12:01 2010 -0700" }, "message": "Atomic/SMP update, part 3.\n\nUpdate ARM atomic ops to use LDREX/STREX. Stripped out #if 0 chunk.\n\nInsert explicit memory barriers in pthread and semaphore code.\n\nFor bug 2721865.\n\nChange-Id: I0f153b797753a655702d8be41679273d1d5d6ae7\n" }, { "commit": "4f920f685bb4af8400c70383eecf347a35353778", "tree": "b48d0f32e745f252a4ad5781e8da60f45415f7de", "parents": [ "294dd0b86b1484aec7549663aff5b19c98a4b7fd" ], "author": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Fri Feb 12 12:50:32 2010 -0800" }, "committer": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Fri Feb 12 12:50:32 2010 -0800" }, "message": "Fix sem_post() behaviour to wake up multiple waiting threads.\n" }, { "commit": "294dd0b86b1484aec7549663aff5b19c98a4b7fd", "tree": "9a54351833b806c3f31f0b8400c10bd746938254", "parents": [ "1dcf07a84c93a0095875f2d2087bfe7bfb66a413" ], "author": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Fri Feb 12 12:18:37 2010 -0800" }, "committer": { "name": "David \u0027Digit\u0027 Turner", "email": "digit@google.com", "time": "Fri Feb 12 12:18:37 2010 -0800" }, "message": "Fix sem_trywait() implementation + update changelog.\n" }, { "commit": "1dc9e472e19acfe6dc7f41e429236e7eef7ceda1", "tree": "3be0c520fae17689bbf5584e1136fb820caef26f", "parents": [ "1767f908af327fa388b1c66883760ad851267013" ], "author": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Mar 03 19:28:35 2009 -0800" }, "committer": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Mar 03 19:28:35 2009 -0800" }, "message": "auto import from //depot/cupcake/@135843\n" }, { "commit": "1767f908af327fa388b1c66883760ad851267013", "tree": "4b825dc642cb6eb9a060e54bf8d69288fbee4904", "parents": [ "a799b53f10e5a6fd51fef4436cfb7ec99836a516" ], "author": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Mar 03 18:28:13 2009 -0800" }, "committer": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Mar 03 18:28:13 2009 -0800" }, "message": "auto import from //depot/cupcake/@135843\n" }, { "commit": "d37527501c85edcb3a6a7c8a0b6297d52d434897", "tree": "f005d945ce90569b8e63cf42294ab42dddab52c2", "parents": [ "e5cc1f386b167b9f7bfdebc7219e89aa9b71e4b2" ], "author": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Jan 20 14:03:55 2009 -0800" }, "committer": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Jan 20 14:03:55 2009 -0800" }, "message": "auto import from //branches/cupcake/...@127101\n" }, { "commit": "a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349", "tree": "defd1cc07d16ad2f3b21154114e092d11c94c5bb", "parents": [], "author": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Oct 21 07:00:00 2008 -0700" }, "committer": { "name": "The Android Open Source Project", "email": "initial-contribution@android.com", "time": "Tue Oct 21 07:00:00 2008 -0700" }, "message": "Initial Contribution\n" } ] }