SQLite

Check-in [6767b62a9a]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Remove the noop-mutex implementations of mutex_held() and mutex_notheld() since they are both unreachable.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 6767b62a9a063582889f5ceb42f95eab24c697da
User & Date: drh 2010-05-06 11:56:52.000
Context
2010-05-06
12:15
Add tests for some lock-contention cases. (check-in: f0fcb9c9a6 user: dan tags: trunk)
11:56
Remove the noop-mutex implementations of mutex_held() and mutex_notheld() since they are both unreachable. (check-in: 6767b62a9a user: drh tags: trunk)
11:55
Add two text files containing pager design notes to the doc/ subfolder. (check-in: ed817fc893 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/mutex_noop.c.
︙︙
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58


59
60
61
62
63
64
65


#ifndef SQLITE_DEBUG
/*
** Stub routines for all mutex methods.
**
** This routines provide no mutual exclusion or error checking.
*/
static int noopMutexHeld(sqlite3_mutex *p){ return 1; }
static int noopMutexNotheld(sqlite3_mutex *p){ return 1; }
static int noopMutexInit(void){ return SQLITE_OK; }
static int noopMutexEnd(void){ return SQLITE_OK; }
static sqlite3_mutex *noopMutexAlloc(int id){ return (sqlite3_mutex*)8; }
static void noopMutexFree(sqlite3_mutex *p){ return; }
static void noopMutexEnter(sqlite3_mutex *p){ return; }
static int noopMutexTry(sqlite3_mutex *p){ return SQLITE_OK; }
static void noopMutexLeave(sqlite3_mutex *p){ return; }

sqlite3_mutex_methods *sqlite3NoopMutex(void){
  static sqlite3_mutex_methods sMutex = {
    noopMutexInit,
    noopMutexEnd,
    noopMutexAlloc,
    noopMutexFree,
    noopMutexEnter,
    noopMutexTry,
    noopMutexLeave,

    noopMutexHeld,
    noopMutexNotheld


  };

  return &sMutex;
}
#endif /* !SQLITE_DEBUG */

#ifdef SQLITE_DEBUG








<
<


















<
<
>
>








30
31
32
33
34
35
36


37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54


55
56
57
58
59
60
61
62
63


#ifndef SQLITE_DEBUG
/*
** Stub routines for all mutex methods.
**
** This routines provide no mutual exclusion or error checking.
*/


static int noopMutexInit(void){ return SQLITE_OK; }
static int noopMutexEnd(void){ return SQLITE_OK; }
static sqlite3_mutex *noopMutexAlloc(int id){ return (sqlite3_mutex*)8; }
static void noopMutexFree(sqlite3_mutex *p){ return; }
static void noopMutexEnter(sqlite3_mutex *p){ return; }
static int noopMutexTry(sqlite3_mutex *p){ return SQLITE_OK; }
static void noopMutexLeave(sqlite3_mutex *p){ return; }

sqlite3_mutex_methods *sqlite3NoopMutex(void){
  static sqlite3_mutex_methods sMutex = {
    noopMutexInit,
    noopMutexEnd,
    noopMutexAlloc,
    noopMutexFree,
    noopMutexEnter,
    noopMutexTry,
    noopMutexLeave,



    0,
    0,
  };

  return &sMutex;
}
#endif /* !SQLITE_DEBUG */

#ifdef SQLITE_DEBUG
︙︙