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Do not use the TryEnterCriticalSection API on windows since it is

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unavailable on some platforms. (CVS 4399)

FossilOrigin-Name: bf3d67d1bd1c48fff45dc24818b8358f79c9fdef
This commit is contained in:
drh
2007-09-04 22:31:36 +00:00
parent 7eda2cdbae
commit ca49cbaf63
4 changed files with 23 additions and 11 deletions
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9
src/mutex_w32.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains the C functions that implement mutexes for win32
**
** $Id: mutex_w32.c,v 1.2 2007/08/30 14:10:30 drh Exp $
** $Id: mutex_w32.c,v 1.3 2007/09/04 22:31:37 drh Exp $
*/
#include "sqliteInt.h"
@@ -141,6 +141,12 @@ void sqlite3_mutex_enter(sqlite3_mutex *p){
p->nRef++;
}
int sqlite3_mutex_try(sqlite3_mutex *p){
/* The TryEnterCriticalSection() interface is not available on all
** windows systems. Since sqlite3_mutex_try() is only used as an
** optimization, we can skip it on windows. */
return SQLITE_BUSY;
#if 0 /* Not Available */
int rc;
assert( p );
assert( p->id==SQLITE_MUTEX_RECURSIVE || sqlite3_mutex_notheld(p) );
@@ -152,6 +158,7 @@ int sqlite3_mutex_try(sqlite3_mutex *p){
rc = SQLITE_BUSY;
}
return rc;
#endif
}
/*