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Enhanced documentation and minor code tweaks in preparation for hardening

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the sqlite3_initialize/shutdown interfaces against initialization failures.

FossilOrigin-Name: 98c49e6135ae6268a80de88f8b0284f88ef32e1d
This commit is contained in:
drh
2009-08-17 13:42:29 +00:00
parent d768f944d9
commit 9ac06509f1
7 changed files with 54 additions and 17 deletions
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6
src/mutex_w32.c
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@@ -95,7 +95,7 @@ static int winMutexInit(void){
/* The first to increment to 1 does actual initialization */
if( InterlockedCompareExchange(&winMutex_lock, 1, 0)==0 ){
int i;
for(i=0; i<sizeof(winMutex_staticMutexes)/sizeof(winMutex_staticMutexes[0]); i++){
for(i=0; i<ArraySize(winMutex_staticMutexes); i++){
InitializeCriticalSection(&winMutex_staticMutexes[i].mutex);
}
winMutex_isInit = 1;
@@ -114,7 +114,7 @@ static int winMutexEnd(void){
if( InterlockedCompareExchange(&winMutex_lock, 0, 1)==1 ){
if( winMutex_isInit==1 ){
int i;
for(i=0; i<sizeof(winMutex_staticMutexes)/sizeof(winMutex_staticMutexes[0]); i++){
for(i=0; i<ArraySize(winMutex_staticMutexes); i++){
DeleteCriticalSection(&winMutex_staticMutexes[i].mutex);
}
winMutex_isInit = 0;
@@ -178,7 +178,7 @@ static sqlite3_mutex *winMutexAlloc(int iType){
default: {
assert( winMutex_isInit==1 );
assert( iType-2 >= 0 );
assert( iType-2 < sizeof(winMutex_staticMutexes)/sizeof(winMutex_staticMutexes[0]) );
assert( iType-2 < ArraySize(winMutex_staticMutexes) );
p = &winMutex_staticMutexes[iType-2];
p->id = iType;
break;