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Snapshot of upstream SQLite 3.25.0

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This commit is contained in:
Stephen Lombardo
2018-09-18 12:31:37 -04:00
parent 1f3bc22483
commit bf3fa86130
558 changed files with 76379 additions and 20890 deletions
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src/test_malloc.c
+19 -41
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@@ -32,6 +32,8 @@ static struct MemFault {
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 */
int nOkBefore; /* Successful allocations prior to the first fault */
int nOkAfter; /* Successful allocations after a fault */
u8 enable; /* True if enabled */
int isInstalled; /* True if the fault simulation layer is installed */
int isBenignMode; /* True if malloc failures are considered benign */
@@ -47,18 +49,32 @@ static void sqlite3Fault(void){
cnt++;
}
/*
** This routine exists as a place to set a breakpoint that will
** fire the first time any malloc() fails on a single test case.
** The sqlite3Fault() routine above runs on every malloc() failure.
** This routine only runs on the first such failure.
*/
static void sqlite3FirstFault(void){
static int cnt2 = 0;
cnt2++;
}
/*
** 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(void){
if( likely(!memfault.enable) ){
memfault.nOkAfter++;
return 0;
}
if( memfault.iCountdown>0 ){
memfault.iCountdown--;
memfault.nOkBefore++;
return 0;
}
if( memfault.nFail==0 ) sqlite3FirstFault();
sqlite3Fault();
memfault.nFail++;
if( memfault.isBenignMode>0 ){
@@ -133,6 +149,8 @@ static void faultsimConfig(int nDelay, int nRepeat){
memfault.nRepeat = nRepeat;
memfault.nBenign = 0;
memfault.nFail = 0;
memfault.nOkBefore = 0;
memfault.nOkAfter = 0;
memfault.enable = nDelay>=0;
/* Sometimes, when running multi-threaded tests, the isBenignMode
@@ -887,46 +905,6 @@ static int SQLITE_TCLAPI test_memdebug_log(
return TCL_OK;
}
/*
** Usage: sqlite3_config_scratch SIZE N
**
** Set the scratch memory buffer using SQLITE_CONFIG_SCRATCH.
** The buffer is static and is of limited size. N might be
** adjusted downward as needed to accommodate the requested size.
** The revised value of N is returned.
**
** A negative SIZE causes the buffer pointer to be NULL.
*/
static int SQLITE_TCLAPI test_config_scratch(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int sz, N, rc;
Tcl_Obj *pResult;
static char *buf = 0;
if( objc!=3 ){
Tcl_WrongNumArgs(interp, 1, objv, "SIZE N");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[1], &sz) ) return TCL_ERROR;
if( Tcl_GetIntFromObj(interp, objv[2], &N) ) return TCL_ERROR;
free(buf);
if( sz<0 ){
buf = 0;
rc = sqlite3_config(SQLITE_CONFIG_SCRATCH, (void*)0, 0, 0);
}else{
buf = malloc( sz*N + 1 );
rc = sqlite3_config(SQLITE_CONFIG_SCRATCH, buf, sz, N);
}
pResult = Tcl_NewObj();
Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(rc));
Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(N));
Tcl_SetObjResult(interp, pResult);
return TCL_OK;
}
/*
** Usage: sqlite3_config_pagecache SIZE N
**
@@ -1423,6 +1401,7 @@ static int SQLITE_TCLAPI test_db_status(
{ "CACHE_WRITE", SQLITE_DBSTATUS_CACHE_WRITE },
{ "DEFERRED_FKS", SQLITE_DBSTATUS_DEFERRED_FKS },
{ "CACHE_USED_SHARED", SQLITE_DBSTATUS_CACHE_USED_SHARED },
{ "CACHE_SPILL", SQLITE_DBSTATUS_CACHE_SPILL },
};
Tcl_Obj *pResult;
if( objc!=4 ){
@@ -1538,7 +1517,6 @@ int Sqlitetest_malloc_Init(Tcl_Interp *interp){
{ "sqlite3_memdebug_settitle", test_memdebug_settitle ,0 },
{ "sqlite3_memdebug_malloc_count", test_memdebug_malloc_count ,0 },
{ "sqlite3_memdebug_log", test_memdebug_log ,0 },
{ "sqlite3_config_scratch", test_config_scratch ,0 },
{ "sqlite3_config_pagecache", test_config_pagecache ,0 },
{ "sqlite3_config_alt_pcache", test_alt_pcache ,0 },
{ "sqlite3_status", test_status ,0 },