Rename SQLITE_ENABLE_MULTITHREADED_CHECKS to SQLITE_THREAD_MISUSE_WARNINGS.

Run test cases with that option. Also add the
SQLITE_THREAD_MISUSE_ABORT option.

FossilOrigin-Name: be8c8b9cb7b618a1571a988bc1cfdc15d99a8bf144d699385c0076e940b9f7f5

manifest

@@ -1,5 +1,5 @@
-C Fix\san\sassert()\sthat\sis\sincorrect\swhen\sthe\sSQLITE_DBCONFIG_FP_DIGITS\ssetting\nis\son\sa\snon-default\svalue.
-D 2026-02-23T19:51:54.706
+C Rename\sSQLITE_ENABLE_MULTITHREADED_CHECKS\sto\sSQLITE_THREAD_MISUSE_WARNINGS.\nRun\stest\scases\swith\sthat\soption.\sAlso\sadd\sthe\nSQLITE_THREAD_MISUSE_ABORT\soption.
+D 2026-02-24T19:37:16.964
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -702,7 +702,7 @@ F src/insert.c dfd311b0ac2d4f6359e62013db67799757f4d2cc56cca5c10f4888acfbbfa3fd
 F src/json.c 8b6341a419150b28530cc21e3951b2238c35cdc312f11b2ca29017fe4b1dedc0
 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
 F src/loadext.c 56a542244fbefc739a2ef57fac007c16b2aefdb4377f584e9547db2ce3e071f9
-F src/main.c 211f7721b191523b815dee6c6a1e9a5f3ebc052a0ddaaed24a75cf20bf9d4b06
+F src/main.c 31a13302193fbd51279c7e69cdfa0320d0de7629f9151e0964c1d320e8bdd7a4
 F src/malloc.c 422f7e0498e1c9ef967f06283b6f2c0b16db6b905d8e06f6dbc8baaa3e4e6c5a
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c 3bb59158c38e05f6270e761a9f435bf19827a264c13d1631c58b84bdc96d73b2
@@ -712,7 +712,7 @@ F src/mem5.c b7da5c10a726aacacc9ad7cdcb0667deec643e117591cc69cf9b4b9e7f3e96ff
 F src/memdb.c a3feb427cdd4036ea2db0ba56d152f14c8212ca760ccb05fb7aa49ff6b897df3
 F src/memjournal.c c283c6c95d940eb9dc70f1863eef3ee40382dbd35e5a1108026e7817c206e8a0
 F src/msvc.h 80b35f95d93bf996ccb3e498535255f2ef1118c78764719a7cd15ab4106ccac9
-F src/mutex.c 06bcd9c3dbf2d9b21fcd182606c00fafb9bfe0287983c8e17acd13d2c81a2fa9
+F src/mutex.c 5dc0dd69c4216dd976bd463f4ee62a0fa0c24860c0815238ff205f62e194431f
 F src/mutex.h a7b2293c48db5f27007c3bdb21d438873637d12658f5a0bf8ad025bb96803c4a
 F src/mutex_noop.c 9d4309c075ba9cc7249e19412d3d62f7f94839c4
 F src/mutex_unix.c f7ee5a2061a4c11815a2bf4fc0e2bfa6fb8d9dc89390eb613ca0cec32fc9a3d1
@@ -743,7 +743,7 @@ F src/shell.c.in 2acdfca982deb70cdfefb8b422822d4e0234fe4dde6ff2bd9020b2644585391
 F src/sqlite.h.in c7582608c8270428b288a529f4a4170298a19548266b55edaa2e70ce8d607f0e
 F src/sqlite3.rc 015537e6ac1eec6c7050e17b616c2ffe6f70fca241835a84a4f0d5937383c479
 F src/sqlite3ext.h 1b7a0ee438bb5c2896d0609c537e917d8057b3340f6ad004d2de44f03e3d3cca
-F src/sqliteInt.h ffa3071dc3b9172acfe1a4edd8bc699928b0d5e02f0b8b9067676aa8e5f8f787
+F src/sqliteInt.h 185abb373dc2a311e3292540ef177ea301d8140b976ecd8ba381a5a0162cd6e9
 F src/sqliteLimit.h 904a3f520362c7065c18165aaabd504fb13cc1b76cb411f38bd41ac219e4af1e
 F src/status.c 7565d63a79aa2f326339a24a0461a60096d0bd2bce711fefb50b5c89335f3592
 F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@ -762,7 +762,7 @@ F src/test_backup.c a2bfd90d2ff2511b8635507bdb30fa9b605ade19c16b533066cae3077f5b
 F src/test_bestindex.c d75fad21369d80910238032bcf8d9ca1f2bffda13c1ceec63bfbb7f704448b15
 F src/test_blob.c 77b994e17f2c87055f44fd96c9a206c5a7155bae2cda2769af60c2f3582f962c
 F src/test_btree.c 28283787d32b8fa953eb77412ad0de2c9895260e4e5bd5a94b3c7411664f90d5
-F src/test_config.c 9b6dac5bc4ab56c9c6289ca9a6a73a156e178e58bcfdac19a69f6e17e28ad5ac
+F src/test_config.c e02566c2c4ee2916324ce17123a798b47663cead2de546cfbd71d8cddb46bb26
 F src/test_delete.c d0e8f6dc55cfc98a7c27c057fb88d512260564bf0b611482656c68b8f7f401ed
 F src/test_demovfs.c 3efa2adf4f21e10d95521721687d5ca047aea91fa62dd8cc22ac9e5a9c942383
 F src/test_devsym.c 649434ed34d0b03fbd5a6b42df80f0f9a7e53f94dd1710aad5dd8831e91c4e86
@@ -1454,7 +1454,7 @@ F test/multiplex.test d74c034e52805f6de8cc5432cef8c9eb774bb64ec29b83a22effc8ca4d
 F test/multiplex2.test 580ca5817c7edbe4cc68fa150609c9473393003a
 F test/multiplex3.test fac575e0b1b852025575a6a8357701d80933e98b5d2fe6d35ddaa68f92f6a1f7
 F test/multiplex4.test e8ae4c4bd70606a5727743241f13b5701990abe4
-F test/mutex1.test 42cb5e244c3a77bb0ef2b967e06fa5e7ba7d32d90a9b20bed98f6f5ede185a25
+F test/mutex1.test 2cdc320a3320521d73b8090a04a2245c1e625e5f90672882517bf5fedcec8f13
 F test/mutex2.test bfeaeac2e73095b2ac32285d2756e3a65e681660
 F test/nan.test 73ea63ab43668313e2f8cc9ef9e9a966672c7934f3ce76926fbe991235d07d91
 F test/nockpt.test 3db354270fc63b6871eebd40285d4c55324fb27be629c958adbff6d7fcaa8e14
@@ -1715,7 +1715,7 @@ F test/temptrigger.test a00f258ed8d21a0e8fd4f322f15e8cfb5cef2e43655670e07a753e3f
 F test/tester.tcl 2d943f60200e0a36bcd3f1f0baf181a751cd3604ef6b6bd4c8dc39b4e8a53116
 F test/testloadext.c 862b848783eaed9985fbce46c65cd214664376b549fae252b364d5d1ef350a27
 F test/testrunner.tcl 78d67079fc39caf2af3fd9d4c30bdac78dae7ec50b9fc802835e7a5189581e07 x
-F test/testrunner_data.tcl 87b8afd37c8e517fa87b7936540b2fc1ede8291f0567fb88744b9bff272a2e8b
+F test/testrunner_data.tcl 078e251983c8fc573567125147655f68132210f226c92922daf21fb913779717
 F test/testrunner_estwork.tcl 81e2ae10238f50540f42fbf2d94913052a99bfb494b69e546506323f195dcff9
 F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
 F test/thread002.test c24c83408e35ba5a952a3638b7ac03ccdf1ce4409289c54a050ac4c5f1de7502
@@ -2157,7 +2157,7 @@ F tool/mkvsix.tcl 67b40996a50f985a573278eea32fc5a5eb6110bdf14d33f1d8086e48c69e54
 F tool/mkwinarm64ec.tcl 171f79234fa53552a129b360356df5599fdab15239caffb3d29c571292728033
 F tool/offsets.c 8ed2b344d33f06e71366a9b93ccedaa38c096cc1dbd4c3c26ad08c6115285845
 F tool/omittest-msvc.tcl d6b8f501ac1d7798c4126065030f89812379012cad98a1735d6d7221492abc08
-F tool/omittest.tcl bec70ef0e16255c8d9eb06ecd7edf823c07a60a836186cdbce3528fb34b67995
+F tool/omittest.tcl 436b7072e00e25e9b77145a9f67aa8e0eeabd186168827435fd03f8f981aac32
 F tool/opcodesum.tcl 740ed206ba8c5040018988129abbf3089a0ccf4a
 F tool/pagesig.c f98909b4168d9cac11a2de7f031adea0e2f3131faa7515a72807c03ec58eafeb
 F tool/replace.tcl 511c61acfe563dfb58675efb4628bb158a13d48ff8322123ac447e9d25a82d9a
@@ -2195,8 +2195,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P 5da9bf09cc00faf98cc515fb5a10a0af325b8f7608893808d031dfef62380be2
-R 281306f1efa2da650e12d075418cdbc9
+P 3ca1ed81c4fa41f5f9fdbebf0929dd8421a4e29f95764fe1027d4d8706a41480
+R 5c6421821f79cf8e5629e0b605fa5e03
 U drh
-Z a61e6702dddced0a140b817d52fd7496
+Z f5b0ef52b5c43aa0e22df96a7972ea83
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-3ca1ed81c4fa41f5f9fdbebf0929dd8421a4e29f95764fe1027d4d8706a41480
+be8c8b9cb7b618a1571a988bc1cfdc15d99a8bf144d699385c0076e940b9f7f5

src/main.c

@@ -3386,7 +3386,7 @@ static int openDatabase(
   db = sqlite3MallocZero( sizeof(sqlite3) );
   if( db==0 ) goto opendb_out;
   if( isThreadsafe
-#ifdef SQLITE_ENABLE_MULTITHREADED_CHECKS
+#if defined(SQLITE_THREAD_MISUSE_WARNINGS)
    || sqlite3GlobalConfig.bCoreMutex
 #endif
   ){

src/mutex.c

@@ -27,23 +27,28 @@ static SQLITE_WSD int mutexIsInit = 0;
 
 #ifndef SQLITE_MUTEX_OMIT
 
-#ifdef SQLITE_ENABLE_MULTITHREADED_CHECKS
+#ifdef SQLITE_THREAD_MISUSE_WARNINGS
 /*
-** This block (enclosed by SQLITE_ENABLE_MULTITHREADED_CHECKS) contains
+** This block (enclosed by SQLITE_THREAD_MISUSE_WARNINGS) contains
 ** the implementation of a wrapper around the system default mutex
 ** implementation (sqlite3DefaultMutex()). 
 **
 ** Most calls are passed directly through to the underlying default
 ** mutex implementation. Except, if a mutex is configured by calling
 ** sqlite3MutexWarnOnContention() on it, then if contention is ever
-** encountered within xMutexEnter() a warning is emitted via sqlite3_log().
+** encountered within xMutexEnter() then a warning is emitted via
+** sqlite3_log().  Furthermore, if SQLITE_THREAD_MISUSE_ABORT is
+** defined then abort() is called after the sqlite3_log() warning.
 **
-** This type of mutex is used as the database handle mutex when testing
-** apps that usually use SQLITE_CONFIG_MULTITHREAD mode.
+** This type of mutex is used on the database handle mutex when testing
+** apps that usually use SQLITE_CONFIG_MULTITHREAD mode.  A failure
+** indicates that the app ought to be using SQLITE_OPEN_FULLMUTEX or
+** similar because it is trying to use the same database handle from
+** two different connections at the same time.
 */
 
 /* 
-** Type for all mutexes used when SQLITE_ENABLE_MULTITHREADED_CHECKS
+** Type for all mutexes used when SQLITE_THREAD_MISUSE_WARNINGS
 ** is defined. Variable CheckMutex.mutex is a pointer to the real mutex
 ** allocated by the system mutex implementation. Variable iType is usually set
 ** to the type of mutex requested - SQLITE_MUTEX_RECURSIVE, SQLITE_MUTEX_FAST
@@ -160,6 +165,9 @@ static void checkMutexEnter(sqlite3_mutex *p){
     sqlite3_log(SQLITE_MISUSE, 
         "illegal multi-threaded access to database connection"
     );
+#if SQLITE_THREAD_MISUSE_ABORT
+    abort();
+#endif
   }
   pGlobalMutexMethods->xMutexEnter(pCheck->mutex);
 }
@@ -211,7 +219,7 @@ void sqlite3MutexWarnOnContention(sqlite3_mutex *p){
     pCheck->iType = SQLITE_MUTEX_WARNONCONTENTION;
   }
 }
-#endif   /* ifdef SQLITE_ENABLE_MULTITHREADED_CHECKS */
+#endif   /* ifdef SQLITE_THREAD_MISUSE_WARNINGS */
 
 /*
 ** Initialize the mutex system.
@@ -228,7 +236,7 @@ int sqlite3MutexInit(void){
     sqlite3_mutex_methods *pTo = &sqlite3GlobalConfig.mutex;
 
     if( sqlite3GlobalConfig.bCoreMutex ){
-#ifdef SQLITE_ENABLE_MULTITHREADED_CHECKS
+#ifdef SQLITE_THREAD_MISUSE_WARNINGS
       pFrom = multiThreadedCheckMutex();
 #else
       pFrom = sqlite3DefaultMutex();

src/sqliteInt.h

@@ -4787,7 +4787,20 @@ int sqlite3LookasideUsed(sqlite3*,int*);
 sqlite3_mutex *sqlite3Pcache1Mutex(void);
 sqlite3_mutex *sqlite3MallocMutex(void);
 
-#if defined(SQLITE_ENABLE_MULTITHREADED_CHECKS) && !defined(SQLITE_MUTEX_OMIT)
+
+/* The SQLITE_THREAD_MISUSE_WARNINGS compile-time option used to be called
+** SQLITE_ENABLE_MULTITHREADED_CHECKS.  Keep that older macro for backwards
+** compatibility, at least for a while... */
+#ifdef SQLITE_ENABLE_MULTITHREADED_CHECKS
+# define SQLITE_THREAD_MISUSE_WARNINGS 1
+#endif
+
+/* SQLITE_THREAD_MISUSE_ABORT implies SQLITE_THREAD_MISUSE_WARNINGS */
+#ifdef SQLITE_THREAD_MISUSE_ABORT
+# define SQLITE_THREAD_MISUSE_WARNINGS 1
+#endif
+
+#if defined(SQLITE_THREAD_MISUSE_WARNINGS) && !defined(SQLITE_MUTEX_OMIT)
 void sqlite3MutexWarnOnContention(sqlite3_mutex*);
 #else
 # define sqlite3MutexWarnOnContention(x)

src/test_config.c

@@ -679,6 +679,14 @@ Tcl_SetVar2(interp, "sqlite_options", "mergesort", "1", TCL_GLOBAL_ONLY);
   Tcl_SetVar2(interp, "sqlite_options", "trace", "1", TCL_GLOBAL_ONLY);
 #endif
 
+#ifdef SQLITE_THREAD_MISUSE_WARNINGS
+  Tcl_SetVar2(interp, "sqlite_options", "thread_misuse_warnings",
+                                        "1", TCL_GLOBAL_ONLY);
+#else
+  Tcl_SetVar2(interp, "sqlite_options", "thread_misuse_warnings",
+                                        "0", TCL_GLOBAL_ONLY);
+#endif
+
 #ifdef SQLITE_OMIT_TRIGGER
   Tcl_SetVar2(interp, "sqlite_options", "trigger", "0", TCL_GLOBAL_ONLY);
 #else

test/mutex1.test

@@ -115,6 +115,10 @@ ifcapable threadsafe1&&shared_cache {
     }
   } {
 
+    ifcapable thread_misuse_warnings {
+      if {$mode ne "serialized"} continue
+    }
+
     # For journal_mode=memory, the static_prng mutex is not required. This
     # is because the header of an in-memory journal does not contain
     # any random bytes, and so no call to sqlite3_randomness() is made.
@@ -177,16 +181,18 @@ ifcapable threadsafe1&&shared_cache {
 
   # Open and use a connection in "nomutex" mode. Test that no recursive
   # mutexes are obtained.
-  do_test mutex1.3.1 {
-    catch {db close}
-    clear_mutex_counters
-    sqlite3 db test.db -nomutex 1
-    execsql { SELECT * FROM abc }
-  } {1 2 3 1 2 3 1 2 3}
-  do_test mutex1.3.2 {
-    mutex_counters counters
-    set counters(recursive)
-  } {0}
+  ifcapable !thread_misuse_warnings {
+    do_test mutex1.3.1 {
+      catch {db close}
+      clear_mutex_counters
+      sqlite3 db test.db -nomutex 1
+      execsql { SELECT * FROM abc }
+    } {1 2 3 1 2 3 1 2 3}
+    do_test mutex1.3.2 {
+      mutex_counters counters
+      set counters(recursive)
+    } {0}
+  }
 }
 
 # Test the sqlite3_db_mutex() function.

test/testrunner_data.tcl

@@ -192,6 +192,7 @@ namespace eval trd {
     -DSQLITE_ENABLE_HIDDEN_COLUMNS
     -DSQLITE_MAX_ATTACHED=125
     -DSQLITE_MUTATION_TEST
+    -DSQLITE_THREAD_MISUSE_ABORT
     --enable-fts5
   }
   set build(Debug-Two) {

tool/omittest.tcl

@@ -123,7 +123,6 @@ set CompileOptionsToTest {
   SQLITE_ENABLE_MEMSYS
   SQLITE_ENABLE_MODULE_COMMENTS
   SQLITE_ENABLE_MULTIPLEX
-  SQLITE_ENABLE_MULTITHREADED_CHECKS
   SQLITE_ENABLE_NORMALIZE
   SQLITE_ENABLE_NULL_TRIM
   SQLITE_ENABLE_OFFSET_SQL_FUNC
@@ -152,6 +151,7 @@ set CompileOptionsToTest {
   SQLITE_ENABLE_VFSTRACE
   SQLITE_ENABLE_WHERETRACE
   SQLITE_ENABLE_ZIPVFS
+  SQLITE_THREAD_MISUSE_WARNINGS
 }
 
 # Parse command-line options.