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Implement the 'CONFIG_SINGLETHREAD' and 'CONFIG_MULTITHREAD' configuration modes. (CVS 5234)

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FossilOrigin-Name: 5059644c4bc5f6679afd939e0bc26080f42a9918
This commit is contained in:
danielk1977
2008-06-18 17:09:10 +00:00
parent a2baf3a2e5
commit 59f8c08ecc
24 changed files with 296 additions and 133 deletions
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18
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.448 2008/06/18 13:27:47 drh Exp $
** $Id: main.c,v 1.449 2008/06/18 17:09:10 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -76,7 +76,7 @@ int sqlite3_initialize(void){
if( sqlite3IsInit ) return SQLITE_OK;
rc = sqlite3_mutex_init();
if( rc==SQLITE_OK ){
sqlite3_mutex *pMutex = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER);
sqlite3_mutex *pMutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);
sqlite3_mutex_enter(pMutex);
if( sqlite3IsInit==0 ){
sqlite3IsInit = 1;
@@ -1208,11 +1208,13 @@ static int openDatabase(
/* Allocate the sqlite data structure */
db = sqlite3MallocZero( sizeof(sqlite3) );
if( db==0 ) goto opendb_out;
db->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_RECURSIVE);
if( db->mutex==0 ){
sqlite3_free(db);
db = 0;
goto opendb_out;
if( sqlite3Config.bFullMutex ){
db->mutex = sqlite3MutexAlloc(SQLITE_MUTEX_RECURSIVE);
if( db->mutex==0 ){
sqlite3_free(db);
db = 0;
goto opendb_out;
}
}
sqlite3_mutex_enter(db->mutex);
db->errMask = 0xff;
@@ -1363,7 +1365,7 @@ static int openDatabase(
opendb_out:
if( db ){
assert( db->mutex!=0 );
assert( db->mutex!=0 || sqlite3Config.bFullMutex==0 );
sqlite3_mutex_leave(db->mutex);
}
if( SQLITE_NOMEM==(rc = sqlite3_errcode(db)) ){