From 62e5a81a5a92cec6498e2e85b9e8a16c4ca66535 Mon Sep 17 00:00:00 2001
From: danielk1977 <danielk1977@noemail.net>
Date: Fri, 27 Mar 2009 09:10:12 +0000
Subject: [PATCH] Fix an incompatibility between the test_async.c backend and
 change (6390). (CVS 6391)

FossilOrigin-Name: 6762625d29d5e0053afdad033fe54e2d9121046a
---
 manifest         | 14 +++++++-------
 manifest.uuid    |  2 +-
 src/test_async.c | 35 +++++++++++++++++++++++++++++------
 test/trans.test  |  5 ++++-
 4 files changed, 41 insertions(+), 15 deletions(-)

diff --git a/manifest b/manifest
index 48df9da915..2299c2b9f4 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Check\sthat\sthe\sfirst\sbyte\sof\sa\spotentially\shot\sjournal\sfile\sis\snon-zero\sbefore\sbeginning\shot-journal\srollback.\sFix\sfor\s#3751\sand\s#3745.\s(CVS\s6390)
-D 2009-03-26T17:13:06
+C Fix\san\sincompatibility\sbetween\sthe\stest_async.c\sbackend\sand\schange\s(6390).\s(CVS\s6391)
+D 2009-03-27T09:10:12
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -173,7 +173,7 @@ F src/test6.c 1a0a7a1f179469044b065b4a88aab9faee114101
 F src/test7.c b94e68c2236de76889d82b8d7d8e00ad6a4d80b1
 F src/test8.c 3637439424d0d21ff2dcf9b015c30fcc1e7bcb24
 F src/test9.c 904ebe0ed1472d6bad17a81e2ecbfc20017dc237
-F src/test_async.c 3ff664df7d07b6cf65946161f494c47468ddc318
+F src/test_async.c 3e25752ff42bd14b45ff8de3e6cd69aa385323c4
 F src/test_autoext.c f53b0cdf7bf5f08100009572a5d65cdb540bd0ad
 F src/test_backup.c 79ac8daa03f0b3d360ff1eb56b23c7df0c14ecd1
 F src/test_btree.c d7b8716544611c323860370ee364e897c861f1b0
@@ -633,7 +633,7 @@ F test/tkt3718.test 3ee5e25702f3f5a31340b2766d7a7fac2b5ce99c
 F test/tkt3731.test 8a6e3732f5a8a24eb875a6faf287ef77bb8c0579
 F test/tokenize.test ce430a7aed48fc98301611429595883fdfcab5d7
 F test/trace.test 951cd0f5f571e7f36bf7bfe04be70f90fb16fb00
-F test/trans.test b3f0c696ddf8c3f113fd2edf49318b2bf431c99a
+F test/trans.test 8b79967a7e085289ec64890c6fdf9d089e1b4a5f
 F test/trans2.test d5337e61de45e66b1fcbf9db833fa8c82e624b22
 F test/trans3.test d728abaa318ca364dc370e06576aa7e5fbed7e97
 F test/trigger1.test 53342dfd582155a599518f1918fdc997e9413177
@@ -710,7 +710,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P a22e7c818b2227a4c80ad84b299d11f365e3b17d
-R 4ee0c36ed6c98bbdc0cb2efb14dfd44e
+P 80241a050296067937d0b0529fdf0c347358f86c
+R f73bd2ee7d954b8f8bc826b395ab6f00
 U danielk1977
-Z 9399bffef7da619c63a0329f4e82af23
+Z 3409c9edf374b9bb740dc4afc4beb7ff
diff --git a/manifest.uuid b/manifest.uuid
index ce957cb9fa..0d366638cc 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-80241a050296067937d0b0529fdf0c347358f86c
\ No newline at end of file
+6762625d29d5e0053afdad033fe54e2d9121046a
\ No newline at end of file
diff --git a/src/test_async.c b/src/test_async.c
index 035f465431..3ff29b8b7f 100644
--- a/src/test_async.c
+++ b/src/test_async.c
@@ -10,7 +10,7 @@
 **
 *************************************************************************
 **
-** $Id: test_async.c,v 1.52 2009/03/25 16:51:43 drh Exp $
+** $Id: test_async.c,v 1.53 2009/03/27 09:10:12 danielk1977 Exp $
 **
 ** This file contains an example implementation of an asynchronous IO 
 ** backend for SQLite.
@@ -1041,6 +1041,25 @@ static int unlinkAsyncFile(AsyncFileData *pData){
   return rc;
 }
 
+/*
+** The parameter passed to this function is a copy of a 'flags' parameter
+** passed to this modules xOpen() method. This function returns true
+** if the file should be opened asynchronously, or false if it should
+** be opened immediately.
+**
+** If the file is to be opened asynchronously, then asyncOpen() will add
+** an entry to the event queue and the file will not actually be opened
+** until the event is processed. Otherwise, the file is opened directly
+** by the caller.
+*/
+static int doAsynchronousOpen(int flags){
+  return (flags&SQLITE_OPEN_CREATE) && (
+      (flags&SQLITE_OPEN_MAIN_JOURNAL) ||
+      (flags&SQLITE_OPEN_TEMP_JOURNAL) ||
+      (flags&SQLITE_OPEN_DELETEONCLOSE)
+  );
+}
+
 /*
 ** Open a file.
 */
@@ -1075,7 +1094,7 @@ static int asyncOpen(
   AsyncFileData *pData;
   AsyncLock *pLock = 0;
   char *z;
-  int isExclusive = (flags&SQLITE_OPEN_EXCLUSIVE);
+  int isAsyncOpen = doAsynchronousOpen(flags);
 
   /* If zName is NULL, then the upper layer is requesting an anonymous file */
   if( zName ){
@@ -1107,11 +1126,15 @@ static int asyncOpen(
     memcpy(pData->zName, zName, nName);
   }
 
-  if( !isExclusive ){
-    rc = pVfs->xOpen(pVfs, zName, pData->pBaseRead, flags, pOutFlags);
-    if( rc==SQLITE_OK && ((*pOutFlags)&SQLITE_OPEN_READWRITE) ){
+  if( !isAsyncOpen ){
+    int flagsout;
+    rc = pVfs->xOpen(pVfs, zName, pData->pBaseRead, flags, &flagsout);
+    if( rc==SQLITE_OK && (flagsout&SQLITE_OPEN_READWRITE) ){
       rc = pVfs->xOpen(pVfs, zName, pData->pBaseWrite, flags, 0);
     }
+    if( pOutFlags ){
+      *pOutFlags = flagsout;
+    }
   }
 
   pthread_mutex_lock(&async.lockMutex);
@@ -1175,7 +1198,7 @@ static int asyncOpen(
     pData->pLock = pLock;
   }
 
-  if( rc==SQLITE_OK && isExclusive ){
+  if( rc==SQLITE_OK && isAsyncOpen ){
     rc = addNewAsyncWrite(pData, ASYNC_OPENEXCLUSIVE, (sqlite3_int64)flags,0,0);
     if( rc==SQLITE_OK ){
       if( pOutFlags ) *pOutFlags = flags;
diff --git a/test/trans.test b/test/trans.test
index be315641bd..3048b4dfb4 100644
--- a/test/trans.test
+++ b/test/trans.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this script is database locks.
 #
-# $Id: trans.test,v 1.39 2008/12/22 10:58:46 danielk1977 Exp $
+# $Id: trans.test,v 1.40 2009/03/27 09:10:12 danielk1977 Exp $
 
 
 set testdir [file dirname $argv0]
@@ -783,6 +783,7 @@ integrity_check trans-7.15
 #
 set fd [open test.tcl w]
 puts $fd {
+  sqlite3_test_control_pending_byte 0x0010000
   sqlite3 db test.db
   db eval {
     PRAGMA default_cache_size=20;
@@ -803,6 +804,7 @@ do_test trans-8.2 {
 integrity_check trans-8.3
 set fd [open test.tcl w]
 puts $fd {
+  sqlite3_test_control_pending_byte 0x0010000
   sqlite3 db test.db
   db eval {
     PRAGMA journal_mode=persist;
@@ -823,6 +825,7 @@ do_test trans-8.5 {
 } $checksum2
 integrity_check trans-8.6
 
+
 # In the following sequence of tests, compute the MD5 sum of the content
 # of a table, make lots of modifications to that table, then do a rollback.
 # Verify that after the rollback, the MD5 checksum is unchanged.