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Overview
| Comment: | Fix a problem in the noop-mutexes used for testing. (CVS 4420) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 4dbeb915b3138194abd5554b52003162 |
| User & Date: | danielk1977 2007-09-10 16:13:00 |
Context
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2007-09-12
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| 14:09 | Add a missing semi-colon to os_win.c. Ticket #2642. (CVS 4421) check-in: c6ee5929 user: danielk1977 tags: trunk | |
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2007-09-10
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| 16:13 | Fix a problem in the noop-mutexes used for testing. (CVS 4420) check-in: 4dbeb915 user: danielk1977 tags: trunk | |
| 10:53 | Add another test file to help verify thread-safety. (CVS 4419) check-in: c758cc1d user: danielk1977 tags: trunk | |
Changes
Changes to src/mutex.c.
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** exclusion and is thus suitable for use only in applications ** that use SQLite in a single thread. But this implementation ** does do a lot of error checking on mutexes to make sure they ** are called correctly and at appropriate times. Hence, this ** implementation is suitable for testing. ** debugging purposes ** ** $Id: mutex.c,v 1.15 2007/08/28 16:34:43 drh Exp $ */ #include "sqliteInt.h" #ifdef SQLITE_MUTEX_NOOP_DEBUG /* ** In this implementation, mutexes do not provide any mutual exclusion. ** But the error checking is provided. This implementation is useful ................................................................................ /* ** The sqlite3_mutex_alloc() routine allocates a new ** mutex and returns a pointer to it. If it returns NULL ** that means that a mutex could not be allocated. */ sqlite3_mutex *sqlite3_mutex_alloc(int id){ static sqlite3_mutex aStatic[4]; sqlite3_mutex *pNew = 0; switch( id ){ case SQLITE_MUTEX_FAST: case SQLITE_MUTEX_RECURSIVE: { pNew = sqlite3_malloc(sizeof(*pNew)); if( pNew ){ pNew->id = id; |
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** exclusion and is thus suitable for use only in applications ** that use SQLite in a single thread. But this implementation ** does do a lot of error checking on mutexes to make sure they ** are called correctly and at appropriate times. Hence, this ** implementation is suitable for testing. ** debugging purposes ** ** $Id: mutex.c,v 1.16 2007/09/10 16:13:00 danielk1977 Exp $ */ #include "sqliteInt.h" #ifdef SQLITE_MUTEX_NOOP_DEBUG /* ** In this implementation, mutexes do not provide any mutual exclusion. ** But the error checking is provided. This implementation is useful ................................................................................ /* ** The sqlite3_mutex_alloc() routine allocates a new ** mutex and returns a pointer to it. If it returns NULL ** that means that a mutex could not be allocated. */ sqlite3_mutex *sqlite3_mutex_alloc(int id){ static sqlite3_mutex aStatic[5]; sqlite3_mutex *pNew = 0; switch( id ){ case SQLITE_MUTEX_FAST: case SQLITE_MUTEX_RECURSIVE: { pNew = sqlite3_malloc(sizeof(*pNew)); if( pNew ){ pNew->id = id; |