[sql] Import reference version of SQLite 3.10.2.

third_party/sqlite/sqlite-src-3100200/src/threads.c

Index: third_party/sqlite/sqlite-src-3100200/src/threads.c
diff --git a/third_party/sqlite/sqlite-src-3080704/src/threads.c b/third_party/sqlite/sqlite-src-3100200/src/threads.c
similarity index 90%
copy from third_party/sqlite/sqlite-src-3080704/src/threads.c
copy to third_party/sqlite/sqlite-src-3100200/src/threads.c
index 18d7320a123e5b74b17d0818c8310764df15d410..251b9b7631f534b68444e3c6413b6da02c953a52 100644
--- a/third_party/sqlite/sqlite-src-3080704/src/threads.c
+++ b/third_party/sqlite/sqlite-src-3100200/src/threads.c
@@ -26,6 +26,9 @@
 ** single-threaded if desired.
 */
 #include "sqliteInt.h"
+#if SQLITE_OS_WIN
+#  include "os_win.h"
+#endif
 
 #if SQLITE_MAX_WORKER_THREADS>0
 
@@ -64,6 +67,10 @@ int sqlite3ThreadCreate(
   memset(p, 0, sizeof(*p));
   p->xTask = xTask;
   p->pIn = pIn;
+  /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 
+  ** function that returns SQLITE_ERROR when passed the argument 200, that
+  ** forces worker threads to run sequentially and deterministically 
+  ** for testing purposes. */
   if( sqlite3FaultSim(200) ){
     rc = 1;
   }else{    
@@ -98,7 +105,7 @@ int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
 
 
 /********************************* Win32 Threads ****************************/
-#if SQLITE_OS_WIN && !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && SQLITE_THREADSAFE>0
+#if SQLITE_OS_WIN_THREADS
 
 #define SQLITE_THREADS_IMPLEMENTED 1  /* Prevent the single-thread code below */
 #include <process.h>
@@ -148,7 +155,12 @@ int sqlite3ThreadCreate(
   *ppThread = 0;
   p = sqlite3Malloc(sizeof(*p));
   if( p==0 ) return SQLITE_NOMEM;
-  if( sqlite3GlobalConfig.bCoreMutex==0 ){
+  /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 
+  ** function that returns SQLITE_ERROR when passed the argument 200, that
+  ** forces worker threads to run sequentially and deterministically 
+  ** (via the sqlite3FaultSim() term of the conditional) for testing
+  ** purposes. */
+  if( sqlite3GlobalConfig.bCoreMutex==0 || sqlite3FaultSim(200) ){
     memset(p, 0, sizeof(*p));
   }else{
     p->xTask = xTask;
@@ -176,7 +188,7 @@ int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
   assert( ppOut!=0 );
   if( NEVER(p==0) ) return SQLITE_NOMEM;
   if( p->xTask==0 ){
-    assert( p->id==GetCurrentThreadId() );
+    /* assert( p->id==GetCurrentThreadId() ); */
     rc = WAIT_OBJECT_0;
     assert( p->tid==0 );
   }else{
@@ -191,7 +203,7 @@ int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
   return (rc==WAIT_OBJECT_0) ? SQLITE_OK : SQLITE_ERROR;
 }
 
-#endif /* SQLITE_OS_WIN && !SQLITE_OS_WINCE && !SQLITE_OS_WINRT */
+#endif /* SQLITE_OS_WIN_THREADS */
 /******************************** End Win32 Threads *************************/