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

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FossilOrigin-Name: 5059644c4bc5f6679afd939e0bc26080f42a9918
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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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7
src/random.c
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@@ -15,7 +15,7 @@
** Random numbers are used by some of the database backends in order
** to generate random integer keys for tables or random filenames.
**
** $Id: random.c,v 1.23 2008/03/21 16:45:47 drh Exp $
** $Id: random.c,v 1.24 2008/06/18 17:09:10 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -92,10 +92,7 @@ static int randomByte(void){
*/
void sqlite3_randomness(int N, void *pBuf){
unsigned char *zBuf = pBuf;
static sqlite3_mutex *mutex = 0;
if( mutex==0 ){
mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_PRNG);
}
sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_PRNG);
sqlite3_mutex_enter(mutex);
while( N-- ){
*(zBuf++) = randomByte();