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Restructure the OS interface yet again. This time make the OsFile object

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a virtual base class which is subclassed for unix, windows, and the crash
test simulator.  Add the new file "os.c" for common os layer code.  Move
all OS-specific routines into the sqlite3Os structure. (CVS 2795)

FossilOrigin-Name: bd8740d1aecba69e1b5d64d43db07e8ad8841f07
This commit is contained in:
drh
2005-11-30 03:20:31 +00:00
parent 392b3ddf2e
commit 054889ec6d
20 changed files with 752 additions and 598 deletions
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14
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.303 2005/10/20 07:28:18 drh Exp $
** $Id: main.c,v 1.304 2005/11/30 03:20:31 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -189,7 +189,7 @@ int sqlite3_close(sqlite3 *db){
#ifndef SQLITE_OMIT_GLOBALRECOVER
{
sqlite3 *pPrev;
sqlite3OsEnterMutex();
sqlite3Os.xEnterMutex();
pPrev = pDbList;
while( pPrev && pPrev->pNext!=db ){
pPrev = pPrev->pNext;
@@ -200,7 +200,7 @@ int sqlite3_close(sqlite3 *db){
assert( pDbList==db );
pDbList = db->pNext;
}
sqlite3OsLeaveMutex();
sqlite3Os.xLeaveMutex();
}
#endif
@@ -292,14 +292,14 @@ static int sqliteDefaultBusyCallback(
delay = timeout - prior;
if( delay<=0 ) return 0;
}
sqlite3OsSleep(delay);
sqlite3Os.xSleep(delay);
return 1;
#else
int timeout = ((sqlite3 *)ptr)->busyTimeout;
if( (count+1)*1000 > timeout ){
return 0;
}
sqlite3OsSleep(1000);
sqlite3Os.xSleep(1000);
return 1;
#endif
}
@@ -792,10 +792,10 @@ opendb_out:
*ppDb = db;
#ifndef SQLITE_OMIT_GLOBALRECOVER
if( db ){
sqlite3OsEnterMutex();
sqlite3Os.xEnterMutex();
db->pNext = pDbList;
pDbList = db;
sqlite3OsLeaveMutex();
sqlite3Os.xLeaveMutex();
}
#endif
return sqlite3_errcode(db);