Add the mutexfree-shmlock experiment to the begin-concurrent-pnu branch.

FossilOrigin-Name: 3aead209b4040c6c682fb892ee593219e52f766cd8da49bd7ad2994645e58433

diff --cc manifest
index 60f0c0236aa1bee479265d5acf3b023bc454b5b8,f8b2c4a2474aa08866a6805fd1940fa3bad6b7bf..0f632f77ad027dbc0d93d71f32fe9a8f674d16ab
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Merge\sfixes\sfrom\strunk.
- D 2018-12-06T03:13:02.222
 -C Experiment\swith\susing\san\satomic\sCPU\sprimitive\sinstead\sof\sa\smutex\sfor\nintra-process\slocking\swith\sthe\sunix-excl\sVFS.
 -D 2018-12-06T18:58:58.578
++C Add\sthe\smutexfree-shmlock\sexperiment\sto\sthe\sbegin-concurrent-pnu\sbranch.
++D 2018-12-06T20:26:13.389
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F Makefile.in 68d0ba0f0b533d5bc84c78c13a6ce84ee81183a67014caa47a969e67f028fa1c
@@@ -475,7 -471,7 +475,7 @@@ F src/in-operator.md 10cd8f4bcd225a3251
  F src/insert.c f12f27eb606d601825be9a229a7390a8d64d40226697883f96de8e088d620055
  F src/legacy.c 134ab3e3fae00a0f67a5187981d6935b24b337bcf0f4b3e5c9fa5763da95bf4e
  F src/loadext.c 9050dd153b5583804184be9c9dee9ebb554178d6db1f8ac280899e8aad9060e6
- F src/main.c 423fce7ca924c8aa04d2844de4775129109172aeb912eeb4606fb1157301297e
 -F src/main.c 156076e2fc4eea09523323bae1d5f177a95a777a3b22e49e173437556fe3571c
++F src/main.c 11e50602244f0594af3d86f4997a2cc0a36a29b278500ef7bbff89fed084def3
  F src/malloc.c 07295435093ce354c6d9063ac05a2eeae28bd251d2e63c48b3d67c12c76f7e18
  F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
  F src/mem1.c c12a42539b1ba105e3707d0e628ad70e611040d8f5e38cf942cee30c867083de
@@@ -495,28 -491,28 +495,28 @@@ F src/os.c 8aeb0b0f40f8f5b0da03fe497066
  F src/os.h 48388821692e87da174ea198bf96b1b2d9d83be5dfc908f673ee21fafbe0d432
  F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
  F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
- F src/os_unix.c 86eca42c3d955bebea0082450f978e5633448235f03f86b27a02538bb26e7fff
 -F src/os_unix.c dcf08ca4f7092507015391b078f9ab866e8fcc6fba22560086fe1eec031edd18
++F src/os_unix.c 1ef4b733679ea62fa4b787dc33af95c28dca459c0a0e5cf815698104f63ceffa
  F src/os_win.c 85d9e532d0444ab6c16d7431490c2e279e282aa0917b0e988996b1ae0de5c5a0
  F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
 -F src/pager.c 75e0f3cfa3962c714f519f8a3d1e67ecca1c91de0e010a036b988e40ce9e4c73
 -F src/pager.h 217921e81eb5fe455caa5cda96061959706bcdd29ddb57166198645ef7822ac3
 -F src/parse.y 5cf85c2b9dfac38ac4e2bf2776484705186ce2eda8631e65cc0b04bf566c1173
 +F src/pager.c 79b8ced46a3c32be19ab4b00d8836292e460411d283a333cb008923c69fbca6a
 +F src/pager.h 389ba8f526d13026aa7081dc581aa742eb7207e3277e7106c522c5b65ad92590
 +F src/parse.y 9281e9941d5df0f7978c4bfe1521090ba7363ac4535c79f57531ba0194904d43
  F src/pcache.c 696a01f1a6370c1b50a09c15972bc3bee3333f8fcd1f2da8e9a76b1b062c59ee
  F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
  F src/pcache1.c ad0ffc5b35b0280d045ac569d34d4b842e3e6a4a118f6396b320987a0957afcc
  F src/pragma.c 4e056f042683b99c4ea0db395f68d051b1a95833ab40951c40d3ef7e1fee1354
 -F src/pragma.h fdd03d78a7497f74a3f652909f945328480089189526841ae829ce7313d98d13
 +F src/pragma.h 7003ea8e45e5da0a7cd6d35846214f9ae9ecf5be66b268415ceea5855324af11
  F src/prepare.c 66b5f9791a3ef57131cbba58c33104ebea814a70a5cfcafabf5aed5a3e3858fe
  F src/printf.c 0f1177cf1dd4d7827bf64d840768514ec76409abecaca9e8b577dbd065150381
 -F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 +F src/random.c f27af4099afaea7284ade5c206224dcfdb2334cfd119d018b470d46356b3f27d
  F src/resolve.c 976e7879286a1eecdc71ceff64f6d1b3f58c8f8096537ba668b3dc0887f410c1
  F src/rowset.c d977b011993aaea002cab3e0bb2ce50cf346000dff94e944d547b989f4b1fe93
 -F src/select.c 61e867a906f140b73baf4ce7a201ad6dcba30820969f5618ee40e9a0d32c6f5f
 +F src/select.c e1cad752987c476a9d1d053682558caec048ea799ef7ba1b6e38e2266451010d
  F src/shell.c.in 1f0819e69fb1ebd2eb44695530dc43936608bf9b752981a0ffd4e2e4a9e3883d
- F src/sqlite.h.in 0880d9e366c2b0e1cbc40d32c2671e67c7bc7e9cb7f7298956c254ca8845c702
 -F src/sqlite.h.in 908ec406feefc4c7e1486a2e3dc30a8bfb51c5a345a8e8130ac201962db171c4
++F src/sqlite.h.in 334afcaa55742ea7605bd2962c7de658be0c1f2173317a78124e07239d20f322
  F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
  F src/sqlite3ext.h 960f1b86c3610fa23cb6a267572a97dcf286e77aa0dd3b9b23292ffaa1ea8683
 -F src/sqliteInt.h 97adda953e7f118d47b8135f76f88c6420ff6707285782616f393a9ea255d577
 +F src/sqliteInt.h c319213f1263293c6d569f73fc00fe4e7b1f95e20f5b626a624d0119046748de
  F src/sqliteLimit.h 1513bfb7b20378aa0041e7022d04acb73525de35b80b252f1b83fedb4de6a76b
  F src/status.c 46e7aec11f79dad50965a5ca5fa9de009f7d6bde08be2156f1538a0a296d4d0e
  F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
@@@ -1193,7 -1180,8 +1193,7 @@@ F test/pagesize.test 5769fc62d8c890a83a
  F test/pcache.test c8acbedd3b6fd0f9a7ca887a83b11d24a007972b
  F test/pcache2.test af7f3deb1a819f77a6d0d81534e97d1cf62cd442
  F test/percentile.test 4243af26b8f3f4555abe166f723715a1f74c77ff
- F test/permutations.test 4a991666f8840fe1c7cbf20d29ea75cdc76f4a6fc6b647a760924f8eb2f4e88b
 -F test/permutations.test c2e5f618a71d1a7e50216325dd056f6ec16439b3c98d87bcd2df381297e5dc97
++F test/permutations.test 455862c587efbe2b2eb3a1770c602b1c97243fe78e09b9c222c9e03a5828444c
  F test/pg_common.tcl 301ac19c1a52fd55166d26db929b3b89165c634d52b5f8ad76ea8cb06960db30
  F test/pragma.test c267bf02742c823a191960895b3d52933cebd7beee26757d1ed694f213fcd867
  F test/pragma2.test e5d5c176360c321344249354c0c16aec46214c9f
@@@ -1605,8 -1593,8 +1606,8 @@@ F test/vtabJ.test d7b73675708cf63cfcb9d
  F test/vtab_alter.test 736e66fb5ec7b4fee58229aa3ada2f27ec58bc58c00edae4836890c3784c6783
  F test/vtab_err.test dcc8b7b9cb67522b3fe7a272c73856829dae4ab7fdb30399aea1b6981bda2b65
  F test/vtab_shared.test 5253bff2355a9a3f014c15337da7e177ab0ef8ad
- F test/wal.test 613efec03e517e1775d86b993a54877d2e29a477
+ F test/wal.test cdf0ca6cc0447520d19ef1c83287824ebeb3e82d75af856511ba96841a79fc9b
 -F test/wal2.test 155b9efa999bdb38ce1cd729b9a4fcdbffd6b88be27f039bad1d2929d287d918
 +F test/wal2.test a225bafac35a47765b890bacdeb57e5e81039f21cc18a1e8ce88eb76e56b843c
  F test/wal3.test 2a93004bc0fb2b5c29888964024695bade278ab2
  F test/wal4.test 4744e155cd6299c6bd99d3eab1c82f77db9cdb3c
  F test/wal5.test 9c11da7aeccd83a46d79a556ad11a18d3cb15aa9
@@@ -1795,7 -1783,10 +1796,10 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 3793e5d5d60f909480c83bc2a6473d27e414d69b0c0e3289413c9bfd2f15bb08 1e13aaa29fb6324b60b3758bdab0491fdef9727e0de603d3da3e1885b52c5caa
- R dd458229efe2bd4f617c1d2a77c711e7
- U drh
- Z 9f16233ebedc8eefab041382026e8a62
 -P ec63d3506bd429560077f82a4c5ed9d189780789fe1c134fff4f3b8733be1a3f
 -R 421ea33fec1ec5096b7fb80f863def19
 -T *branch * mutexfree-shmlock
 -T *sym-mutexfree-shmlock *
 -T -sym-trunk *
++P f2083ee410b7504e8478f7373e76ded913e3a6a92cb7345b8c1ac27554f6edf8 8f4cb9dd3396bcaaf85dcdb4e3ae3c96f28a4d71d72665c4abf7c221370be626
++R f4f10a25e69698e14c2c4db650b11fdc
++T *branch * begin-concurrent-pnu-mutexfree-shmlock
++T *sym-begin-concurrent-pnu-mutexfree-shmlock *
++T -sym-begin-concurrent-pnu *
+ U dan
 -Z 737072d87778273578811397782f507c
++Z c57d12eda52ad2bd268eef9bce5b903a

diff --cc manifest.uuid
index 039f6b3cde2daf0b04838975fc7a0edd707ad712,f3e776b8e79e9fc258ae47213343eee8de82dd44..4e8ce1c9841f142e8e1b276c439990fec642cdcf
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- f2083ee410b7504e8478f7373e76ded913e3a6a92cb7345b8c1ac27554f6edf8
 -8f4cb9dd3396bcaaf85dcdb4e3ae3c96f28a4d71d72665c4abf7c221370be626
++3aead209b4040c6c682fb892ee593219e52f766cd8da49bd7ad2994645e58433

diff --cc src/main.c
Simple merge

diff --cc src/os_unix.c
Simple merge

diff --cc src/sqlite.h.in
Simple merge

diff --cc test/permutations.test
Simple merge