-C Documentation\sand\stest-script\supdates.\s(CVS\s5249)
-D 2008-06-19T17:54:33
+C Move\sthe\smalloc()\sfailure\ssimulation\sout\sof\smalloc.c\sand\sinto\sa\sseparate\ssqlite3_mem_methods\sinterface.\sStill\ssome\srelated\schanges\sto\scome.\s(CVS\s5250)
+D 2008-06-19T18:17:50
F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
F Makefile.in ff6f90048555a0088f6a4b7406bed5e55a7c4eff
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
F src/date.c e841168e5520bbbb2a1cbcdce7531d8b23017b4d
F src/delete.c d3fc5987f2eb88f7b9549d58a5dfea079a83fe8b
F src/expr.c ecb3b23d3543427cba3e2ac12a6c6ae4bb20d39b
-F src/fault.c 1f6177188edb00641673e462f3fab8cba9f7422b
+F src/fault.c 34d0f93490a659561a5a41bccb40cc1ef918d265
F src/func.c 1e7d9569570134ac0771a00382d9d4b41c4aa052
F src/global.c 2304cfa3288763bd2fed10caf8c6fbaa2b383f4e
F src/hash.c 283864c1adf546d4f0a6ee3694b62beeda8fbd35
F src/journal.c cffd2cd214e58c0e99c3ff632b3bee6c7cbb260e
F src/legacy.c 3626c71fb70912abec9a4312beba753a9ce800df
F src/loadext.c 40024a0f476c1279494876b9a002001b29e5d3e3
-F src/main.c d75dad89c689c92cfb20d45f3ef31baca08eb896
-F src/malloc.c 33b8a20684e65ce13f94e5b14fb0e6cdc335c5d1
+F src/main.c ae01b4e90c6a323b689dea1e0af4bf98dc484c7f
+F src/malloc.c 66c0b17a6611547f630b6ea67e14e575b9431507
F src/md5.c 008216bbb5d34c6fbab5357aa68575ad8a31516a
F src/mem1.c 159f10e280f2d9aea597cf938851e61652dd5c3d
F src/mem2.c 23f9538f35fbcd5665afe7056a56be0c7ed65aa7
F src/random.c 5c754319d38abdd6acd74601ee0105504adc508a
F src/select.c 669687459e7d0193c89de06c5dbed55b4a41191c
F src/shell.c a12ea645271b7876c8f080146f48e20b00d367ec
-F src/sqlite.h.in 379c716552d98527db1b1acc38d9d2164bba7956
+F src/sqlite.h.in bf94fcce7c2da5e92d0037595238efbb4f5d0985
F src/sqlite3ext.h f162a72daef5ebf8b211fe8c0ec96e85d22fbf9b
-F src/sqliteInt.h 6dd55232e738a4dac23475cd4b0e444dff75c896
+F src/sqliteInt.h 4d4c0432b5f4918beff36a075015b32244c420c3
F src/sqliteLimit.h f435e728c6b620ef7312814d660a81f9356eb5c8
F src/status.c 6cb10377992505bd69f1ca1d75c1240a65f25a58
F src/table.c 1fa8f8113ac9cbc09ae4801c6d2a7f0af82c5822
F src/test_func.c f4aafa10f17d52c43a64b47717265802e6e552b3
F src/test_hexio.c 2f1122aa3f012fa0142ee3c36ce5c902a70cd12f
F src/test_loadext.c df8ab3a6481ddebbdf0d28ebac5d9e0790f7860f
-F src/test_malloc.c dc6d256544b1be96312367b24b93a778de8afdfe
+F src/test_malloc.c 8c8c0b5cad66b1cb5b8ccca6efec1739572a5978
F src/test_md5.c 28209a4e2068711b5443c33104fe41f21d160071
F src/test_mutex.c 8cfe5c56d5583e07c25c50f59c42ca0104dd24bb
F src/test_onefile.c 1f87d4a21cbfb24a7c35e4333fa0bd34d641f68d
F test/lock3.test 615111293cf32aa2ed16d01c6611737651c96fb9
F test/lock4.test 09d97d52cae18fadfe631552af9880dac6b3ae90
F test/main.test 82c222989e02ea09abd58d453828ffd71806b6bf
-F test/malloc.test fa208f99ed283b131ace2903f052375ab480de1a
-F test/malloc2.test 6f2abc0617a7df210381272681d598488a3bf943
+F test/malloc.test ca6d4ebb9886ec1bdb78953ca0f53cf2e0846761
+F test/malloc2.test c847c457d37cf37ff9ff989fa6bd1475f714e485
F test/malloc3.test 094f8195fe8e409bd4da0f1d769f7745faec62c8
F test/malloc4.test 957337613002b7058a85116493a262f679f3a261
F test/malloc5.test 1a68e56e513eab54d8c4cd1b769ff1d14e3f99f4
F test/mallocE.test db1ed69d7eded1b080952e2a7c37f364ad241b08
F test/mallocF.test 2d5c590ebc2fc7f0dcebdf5aa8498b9aed69107e
F test/mallocG.test b295dc03b6d8d705ce425ff4d1ce6bbeb1c5ab33
-F test/malloc_common.tcl fd7040bbb0bbbe84187c7f80049fdf6b2a4d699b
+F test/malloc_common.tcl c3b251237a7a1578c49c4f342fa764c4c8fa613c
F test/manydb.test 8de36b8d33aab5ef295b11d9e95310aeded31af8
F test/memdb.test a67bda4ff90a38f2b19f6c7f95aa7289e051d893
F test/memleak.test d2d2a1ff7105d32dc3fdf691458cf6cba58c7217
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P 7d38da3eea9ce93f32e90fce0af5101e2cf12462
-R 267d5dcbcec5655f8a7bf7ef07b9ba94
-U drh
-Z 9d5c19f9eec6311440a093ba49ae5844
+P 68d4f7954108f5bf586c4706c8664d8333fb2230
+R 97546362f278f80be16b4e945792af6f
+U danielk1977
+Z 7b2a0d71c4e09cb60bf9f1b81e5fb2c6
-68d4f7954108f5bf586c4706c8664d8333fb2230
\ No newline at end of file
+d22cd2a59f472f4eaf80aa9f55fbff2514ca428d
\ No newline at end of file
** under the motto "fly what you test and test what you fly" may
** choose to leave the fault injector enabled even in production.
**
-** $Id: fault.c,v 1.6 2008/05/15 19:43:53 drh Exp $
+** $Id: fault.c,v 1.7 2008/06/19 18:17:50 danielk1977 Exp $
*/
#include "sqliteInt.h"
-#ifndef SQLITE_OMIT_BUILTIN_TEST
-
/*
** There can be various kinds of faults. For example, there can be
** a memory allocation failure. Or an I/O failure. For each different
** fault type, there is a separate FaultInjector structure to keep track
** of the status of that fault.
*/
-static struct FaultInjector {
+static struct MemFault {
int iCountdown; /* Number of pending successes before we hit a failure */
int nRepeat; /* Number of times to repeat the failure */
int nBenign; /* Number of benign failures seen since last config */
int nFail; /* Number of failures seen since last config */
u8 enable; /* True if enabled */
i16 benign; /* Positive if next failure will be benign */
-} aFault[SQLITE_FAULTINJECTOR_COUNT];
+
+ int isInstalled;
+ sqlite3_mem_methods m; /* 'Real' malloc implementation */
+} memfault;
+
+/*
+** This routine exists as a place to set a breakpoint that will
+** fire on any simulated malloc() failure.
+*/
+static void sqlite3Fault(void){
+ static int cnt = 0;
+ cnt++;
+}
+
+/*
+** Check to see if a fault should be simulated. Return true to simulate
+** the fault. Return false if the fault should not be simulated.
+*/
+static int faultsimStep(){
+ if( likely(!memfault.enable) ){
+ return 0;
+ }
+ if( memfault.iCountdown>0 ){
+ memfault.iCountdown--;
+ return 0;
+ }
+ sqlite3Fault();
+ memfault.nFail++;
+ if( memfault.benign>0 ){
+ memfault.nBenign++;
+ }
+ memfault.nRepeat--;
+ if( memfault.nRepeat<=0 ){
+ memfault.enable = 0;
+ }
+ return 1;
+}
+
+static void *faultsimMalloc(int n){
+ void *p = 0;
+ if( !faultsimStep() ){
+ p = memfault.m.xMalloc(n);
+ }
+ return p;
+}
+
+
+static void *faultsimRealloc(void *pOld, int n){
+ void *p = 0;
+ if( !faultsimStep() ){
+ p = memfault.m.xRealloc(pOld, n);
+ }
+ return p;
+}
+
+/*
+** The following method calls are passed directly through to the underlying
+** malloc system:
+**
+** xFree
+** xSize
+** xRoundup
+** xInit
+** xShutdown
+*/
+static void faultsimFree(void *p){
+ memfault.m.xFree(p);
+}
+static int faultsimSize(void *p){
+ return memfault.m.xSize(p);
+}
+static int faultsimRoundup(int n){
+ return memfault.m.xRoundup(n);
+}
+static int faultsimInit(void *p){
+ return memfault.m.xInit(memfault.m.pAppData);
+}
+static void faultsimShutdown(void *p){
+ memfault.m.xShutdown(memfault.m.pAppData);
+}
/*
** This routine configures and enables a fault injector. After
-** calling this routine, aFaultStep() will return false (zero)
+** calling this routine, a FaultStep() will return false (zero)
** nDelay times, then it will return true nRepeat times,
** then it will again begin returning false.
*/
void sqlite3FaultConfig(int id, int nDelay, int nRepeat){
- assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- aFault[id].iCountdown = nDelay;
- aFault[id].nRepeat = nRepeat;
- aFault[id].nBenign = 0;
- aFault[id].nFail = 0;
- aFault[id].enable = nDelay>=0;
- aFault[id].benign = 0;
+ memfault.iCountdown = nDelay;
+ memfault.nRepeat = nRepeat;
+ memfault.nBenign = 0;
+ memfault.nFail = 0;
+ memfault.enable = nDelay>=0;
+ memfault.benign = 0;
}
/*
*/
int sqlite3FaultFailures(int id){
assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- return aFault[id].nFail;
+ return memfault.nFail;
}
/*
** injector was last configured.
*/
int sqlite3FaultBenignFailures(int id){
- assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- return aFault[id].nBenign;
+ return memfault.nBenign;
}
/*
** If no failures are scheduled, return -1.
*/
int sqlite3FaultPending(int id){
- assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- if( aFault[id].enable ){
- return aFault[id].iCountdown;
+ if( memfault.enable ){
+ return memfault.iCountdown;
}else{
return -1;
}
void sqlite3FaultBeginBenign(int id){
if( id<0 ){
for(id=0; id<SQLITE_FAULTINJECTOR_COUNT; id++){
- aFault[id].benign++;
+ memfault.benign++;
}
}else{
assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- aFault[id].benign++;
+ memfault.benign++;
}
}
void sqlite3FaultEndBenign(int id){
if( id<0 ){
for(id=0; id<SQLITE_FAULTINJECTOR_COUNT; id++){
- assert( aFault[id].benign>0 );
- aFault[id].benign--;
+ assert( memfault.benign>0 );
+ memfault.benign--;
}
}else{
- assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- assert( aFault[id].benign>0 );
- aFault[id].benign--;
+ assert( memfault.benign>0 );
+ memfault.benign--;
}
}
-/*
-** This routine exists as a place to set a breakpoint that will
-** fire on any simulated fault.
-*/
-static void sqlite3Fault(void){
- static int cnt = 0;
- cnt++;
-}
+int sqlite3FaultsimInstall(int install){
+ static struct sqlite3_mem_methods m = {
+ faultsimMalloc, /* xMalloc */
+ faultsimFree, /* xFree */
+ faultsimRealloc, /* xRealloc */
+ faultsimSize, /* xSize */
+ faultsimRoundup, /* xRoundup */
+ faultsimInit, /* xInit */
+ faultsimShutdown, /* xShutdown */
+ 0 /* pAppData */
+ };
+ int rc;
+ assert(install==1 || install==0);
+ assert(memfault.isInstalled==1 || memfault.isInstalled==0);
-/*
-** Check to see if a fault should be simulated. Return true to simulate
-** the fault. Return false if the fault should not be simulated.
-*/
-int sqlite3FaultStep(int id){
- assert( id>=0 && id<SQLITE_FAULTINJECTOR_COUNT );
- if( likely(!aFault[id].enable) ){
- return 0;
- }
- if( aFault[id].iCountdown>0 ){
- aFault[id].iCountdown--;
- return 0;
+ if( install==memfault.isInstalled ){
+ return SQLITE_ERROR;
}
- sqlite3Fault();
- aFault[id].nFail++;
- if( aFault[id].benign>0 ){
- aFault[id].nBenign++;
+
+ rc = sqlite3_config(SQLITE_CONFIG_GETMALLOC, &memfault.m);
+ assert(memfault.m.xMalloc);
+ if( rc==SQLITE_OK ){
+ rc = sqlite3_config(SQLITE_CONFIG_MALLOC, &m);
}
- aFault[id].nRepeat--;
- if( aFault[id].nRepeat<=0 ){
- aFault[id].enable = 0;
+
+ if( rc==SQLITE_OK ){
+ memfault.isInstalled = 1;
}
- return 1;
+ return rc;
}
-#endif /* SQLITE_OMIT_BUILTIN_TEST */
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
-** $Id: main.c,v 1.452 2008/06/19 01:03:18 drh Exp $
+** $Id: main.c,v 1.453 2008/06/19 18:17:50 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
break;
}
+ /*
+ ** sqlite3_test_control(FAULT_INSTALL, isInstall)
+ **
+ ** If the argument is non-zero, install the fault-simulation malloc layer
+ ** as a wrapper around the currently installed implementation.
+ */
+ case SQLITE_TESTCTRL_FAULT_INSTALL: {
+ int isInstall = va_arg(ap, int);
+ rc = sqlite3FaultsimInstall(isInstall);
+ break;
+ }
+
/*
** Save the current state of the PRNG.
*/
**
** Memory allocation functions used throughout sqlite.
**
-** $Id: malloc.c,v 1.21 2008/06/19 00:16:08 drh Exp $
+** $Id: malloc.c,v 1.22 2008/06/19 18:17:50 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
sqlite3MallocAlarm(nFull);
}
}
- if( sqlite3FaultStep(SQLITE_FAULTINJECTOR_MALLOC) ){
- p = 0;
- }else{
+ p = sqlite3Config.m.xMalloc(nFull);
+ if( p==0 && mem0.alarmCallback ){
+ sqlite3MallocAlarm(nFull);
p = sqlite3Config.m.xMalloc(nFull);
- if( p==0 ){
- sqlite3MallocAlarm(nFull);
- p = malloc(nFull);
- }
}
if( p ) sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, nFull);
*pp = p;
void *sqlite3ScratchMalloc(int n){
void *p;
assert( n>0 );
- if( sqlite3FaultStep(SQLITE_FAULTINJECTOR_MALLOC) ){
- return 0;
- }
#if SQLITE_THREADSAFE==0 && !defined(NDEBUG)
/* Verify that no more than one scratch allocation per thread
assert( n>0 );
assert( (n & (n-1))==0 );
assert( n>=512 && n<=32768 );
- if( sqlite3FaultStep(SQLITE_FAULTINJECTOR_MALLOC) ){
- return 0;
- }
if( sqlite3Config.szPage<n ){
goto page_overflow;
mem0.alarmThreshold ){
sqlite3MallocAlarm(nNew-nOld);
}
- if( sqlite3FaultStep(SQLITE_FAULTINJECTOR_MALLOC) ){
- pNew = 0;
- }else{
+ pNew = sqlite3Config.m.xRealloc(pOld, nNew);
+ if( pNew==0 && mem0.alarmCallback ){
+ sqlite3MallocAlarm(nBytes);
pNew = sqlite3Config.m.xRealloc(pOld, nNew);
- if( pNew==0 ){
- sqlite3MallocAlarm(nBytes);
- pNew = sqlite3Config.m.xRealloc(pOld, nNew);
- }
}
if( pNew ){
sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, nNew-nOld);
** the version number) and changes its name to "sqlite3.h" as
** part of the build process.
**
-** @(#) $Id: sqlite.h.in,v 1.340 2008/06/19 17:54:33 drh Exp $
+** @(#) $Id: sqlite.h.in,v 1.341 2008/06/19 18:17:50 danielk1977 Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#define SQLITE_TESTCTRL_PRNG_RESTORE 6
#define SQLITE_TESTCTRL_PRNG_RESET 7
#define SQLITE_TESTCTRL_BITVEC_TEST 8
+#define SQLITE_TESTCTRL_FAULT_INSTALL 9
/*
** CAPI3REF: SQLite Runtime Status {F17200}
*************************************************************************
** Internal interface definitions for SQLite.
**
-** @(#) $Id: sqliteInt.h,v 1.717 2008/06/19 01:03:18 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.718 2008/06/19 18:17:50 danielk1977 Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
void sqlite3FaultBeginBenign(int);
void sqlite3FaultEndBenign(int);
int sqlite3FaultStep(int);
+ int sqlite3FaultsimInstall(int);
#else
# define sqlite3FaultConfig(A,B,C)
# define sqlite3FaultFailures(A) 0
** This file contains code used to implement test interfaces to the
** memory allocation subsystem.
**
-** $Id: test_malloc.c,v 1.25 2008/06/19 00:16:08 drh Exp $
+** $Id: test_malloc.c,v 1.26 2008/06/19 18:17:50 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include <string.h>
#include <assert.h>
+const char *sqlite3TestErrorName(int);
+
/*
** Transform pointers to text and back again
*/
return TCL_OK;
}
+/*
+** install_malloc_faultsim BOOLEAN
+*/
+static int test_install_malloc_faultsim(
+ void * clientData,
+ Tcl_Interp *interp,
+ int objc,
+ Tcl_Obj *CONST objv[]
+){
+ int rc;
+ int isInstall;
+
+ if( objc!=2 ){
+ Tcl_WrongNumArgs(interp, 1, objv, "BOOLEAN");
+ return TCL_ERROR;
+ }
+ if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[1], &isInstall) ){
+ return TCL_ERROR;
+ }
+ rc = sqlite3_test_control(SQLITE_TESTCTRL_FAULT_INSTALL, isInstall);
+ Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
+ return TCL_OK;
+}
+
/*
** Register commands with the TCL interpreter.
*/
{ "sqlite3_config_scratch", test_config_scratch },
{ "sqlite3_config_pagecache", test_config_pagecache },
{ "sqlite3_status", test_status },
+
+ { "install_malloc_faultsim", test_install_malloc_faultsim },
};
int i;
for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
# to see what happens in the library if a malloc were to really fail
# due to an out-of-memory situation.
#
-# $Id: malloc.test,v 1.61 2008/04/17 14:16:42 drh Exp $
+# $Id: malloc.test,v 1.62 2008/06/19 18:17:50 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
+
# Only run these tests if memory debugging is turned on.
#
source $testdir/malloc_common.tcl
# Recovery from malloc() failures is automatic. But we keep these
# tests around because you can never have too many test cases.
#
-# $Id: malloc2.test,v 1.12 2008/02/18 22:24:58 drh Exp $
+# $Id: malloc2.test,v 1.13 2008/06/19 18:17:50 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set sum [allcksum db]
save_prng_state
- for {set ::n 784} {true} {incr ::n} {
+ for {set ::n 1} {true} {incr ::n} {
# Run the SQL. Malloc number $::n is set to fail. A malloc() failure
# may or may not be reported.
# This file contains common code used by many different malloc tests
# within the test suite.
#
-# $Id: malloc_common.tcl,v 1.16 2008/03/21 16:45:48 drh Exp $
+# $Id: malloc_common.tcl,v 1.17 2008/06/19 18:17:50 danielk1977 Exp $
# If we did not compile with malloc testing enabled, then do nothing.
#
return 0
}
+catch {db close}
+sqlite3_shutdown
+catch {install_malloc_faultsim 1} msg
+sqlite3 db test.db
+
# Usage: do_malloc_test <test number> <options...>
#
# The first argument, <test number>, is an integer used to name the