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Doc and logging text tweaks in the OPFS async proxy and test app.

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FossilOrigin-Name: 7ce8608e221924d2c7067687eb6eef0f3cab181d5b4132e55a67d8514b6ce94b
This commit is contained in:
stephan 2022-11-30 03:08:50 +00:00
parent 72ee096775
commit d0945f4638
4 changed files with 16 additions and 17 deletions
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13
ext/wasm/api/sqlite3-opfs-async-proxy.js
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@ -287,11 +287,12 @@ const installAsyncProxy = function(self){
handle object (which must be a valid handle object, as created by
xOpen()), lazily opening it if needed.
In order to help alleviate cross-tab contention for a dabase,
if an exception is thrown while acquiring the handle, this routine
will wait briefly and try again, up to 3 times. If acquisition
still fails at that point it will give up and propagate the
exception.
In order to help alleviate cross-tab contention for a dabase, if
an exception is thrown while acquiring the handle, this routine
will wait briefly and try again, up to some fixed number of
times. If acquisition still fails at that point it will give up
and propagate the exception. Client-level code will see that as
an I/O error.
*/
const getSyncHandle = async (fh,opName)=>{
if(!fh.syncHandle){
@ -323,7 +324,7 @@ const installAsyncProxy = function(self){
'in',performance.now() - t,'ms');
if(!fh.xLock){
__implicitLocks.add(fh.fid);
log("Auto-locked for",opName+"()",fh.fid,fh.filenameAbs);
log("Acquired implicit lock for",opName+"()",fh.fid,fh.filenameAbs);
}
}
return fh.syncHandle;

4
ext/wasm/tests/opfs/concurrency/index.html
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@ -18,9 +18,7 @@
<h1></h1>
<p>
OPFS concurrency tester using multiple independent Workers.
Disclaimer: concurrency in OPFS is currently a pain point
and timing/concurrency mitigation in this environment is
highly unpredictable!
Disclaimer: concurrency in OPFS is currently a pain point!
</p>
<p>
URL flags: pass a number of workers using

14
manifest
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@ -1,5 +1,5 @@
C sqlite3.oo1.OpfsDb:\sdefault\sto\sjournal_mode=persist,\sas\scurrent\stests\sshow\sit\sto\sbe\smarginally\sfaster\sthan\struncate/delete\sin\sChrome\sv109.\sAlso\sincrease\sdefault\sbusy_timeout\sfrom\s2\sseconds\sto\s3,\sadmittedly\son\sa\swhim.
D 2022-11-29T18:28:40.756
C Doc\sand\slogging\stext\stweaks\sin\sthe\sOPFS\sasync\sproxy\sand\stest\sapp.
D 2022-11-30T03:08:50.289
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -509,7 +509,7 @@ F ext/wasm/api/sqlite3-api-opfs.js 2f99c9b2c3c0f53bf40153de20db350378deed825ec0d
F ext/wasm/api/sqlite3-api-prologue.js 7fce4c6a138ec3d7c285b7c125cee809e6b668d2cb0d2328a1b790b7037765bd
F ext/wasm/api/sqlite3-api-worker1.js e94ba98e44afccfa482874cd9acb325883ade50ed1f9f9526beb9de1711f182f
F ext/wasm/api/sqlite3-license-version-header.js a661182fc93fc2cf212dfd0b987f8e138a3ac98f850b1112e29b5fbdaecc87c3
F ext/wasm/api/sqlite3-opfs-async-proxy.js 4b8973711ae4825bb047da932b9046b4e8f678fcea759158caebc5821a655ac7
F ext/wasm/api/sqlite3-opfs-async-proxy.js 315582a4fe3b87ceaff69ad4a67d68a350b8014ac94d6a584d09ea922453c983
F ext/wasm/api/sqlite3-wasi.h 25356084cfe0d40458a902afb465df8c21fc4152c1d0a59b563a3fba59a068f9
F ext/wasm/api/sqlite3-wasm.c 8b32787a3b6bb2990cbaba2304bd5b75a9652acbc8d29909b3279019b6cbaef5
F ext/wasm/api/sqlite3-worker1-promiser.js 0c7a9826dbf82a5ed4e4f7bf7816e825a52aff253afbf3350431f5773faf0e4b
@ -555,7 +555,7 @@ F ext/wasm/test-opfs-vfs.js 44363db07b2a20e73b0eb1808de4400ca71b703af718d0fa6d96
F ext/wasm/tester1-worker.html 5ef353348c37cf2e4fd0b23da562d3275523e036260b510734e9a3239ba8c987
F ext/wasm/tester1.c-pp.html 74aa9b31c75f12490653f814b53c3dd39f40cd3f70d6a53a716f4e8587107399
F ext/wasm/tester1.c-pp.js a4b6a165aafcd3b86118efaec6b47c70fbb6c64b5ab86d21ca8c250d42617dfa
F ext/wasm/tests/opfs/concurrency/index.html 2b1cda51d6c786102875a28eba22f0da3eecb732a5e677b0d1ecdb53546d1a62
F ext/wasm/tests/opfs/concurrency/index.html 86d8ac435074d1e7007b91105f4897f368c165e8cecb6a9aa3d81f5cf5dcbe70
F ext/wasm/tests/opfs/concurrency/test.js bfc3d7e27b207f0827f12568986b8d516a744529550b449314f5c21c9e9faf4a
F ext/wasm/tests/opfs/concurrency/worker.js 0a8c1a3e6ebb38aabbee24f122693f1fb29d599948915c76906681bb7da1d3d2
F ext/wasm/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd72273503ae7d5
@ -2064,8 +2064,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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R 05044488394ac3d7b358270198570ce0
U stephan
Z e12ff5fd260034aa46c1df81ecc7ab20
Z cb806f606aa315e69c2e3fceeb852a45
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@ -1 +1 @@
d0c8fa30a31c691bc1be5e98d806eeb1e23a8fc6cd54d87e5c1b720aa936e707
7ce8608e221924d2c7067687eb6eef0f3cab181d5b4132e55a67d8514b6ce94b