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Overview
| Comment: | Hold the database handle mutex for the duration of sqlite3_db_release_memory(). |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
eeaf2988004ff5343be60ab4ba2f809f |
| User & Date: | dan 2011-12-30 11:43:59.164 |
Context
|
2011-12-30
| ||
| 15:17 | Update the text of requirements associated with sqlite3_pcache_methods2. Update requirements marks embedded in code. All of the above are comment changes only; there are no changes to code in this check-in. (check-in: f945c41a72 user: drh tags: trunk) | |
| 11:43 | Hold the database handle mutex for the duration of sqlite3_db_release_memory(). (check-in: eeaf298800 user: dan tags: trunk) | |
| 10:54 | Minor changes to fix compilation with SQLITE_OMIT_WAL and SQLITE_OMIT_WSD defined. (check-in: 26a513a8d2 user: dan tags: trunk) | |
Changes
Changes to src/main.c.
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/*
** Free up as much memory as we can from the given database
** connection.
*/
int sqlite3_db_release_memory(sqlite3 *db){
int i;
sqlite3BtreeEnterAll(db);
for(i=0; i<db->nDb; i++){
Btree *pBt = db->aDb[i].pBt;
if( pBt ){
Pager *pPager = sqlite3BtreePager(pBt);
sqlite3PagerShrink(pPager);
}
}
sqlite3BtreeLeaveAll(db);
return SQLITE_OK;
}
/*
** Configuration settings for an individual database connection
*/
int sqlite3_db_config(sqlite3 *db, int op, ...){
| > > | 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 |
/*
** Free up as much memory as we can from the given database
** connection.
*/
int sqlite3_db_release_memory(sqlite3 *db){
int i;
sqlite3_mutex_enter(db->mutex);
sqlite3BtreeEnterAll(db);
for(i=0; i<db->nDb; i++){
Btree *pBt = db->aDb[i].pBt;
if( pBt ){
Pager *pPager = sqlite3BtreePager(pBt);
sqlite3PagerShrink(pPager);
}
}
sqlite3BtreeLeaveAll(db);
sqlite3_mutex_leave(db->mutex);
return SQLITE_OK;
}
/*
** Configuration settings for an individual database connection
*/
int sqlite3_db_config(sqlite3 *db, int op, ...){
|
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Changes to src/sqlite.h.in.
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4611 4612 4613 4614 4615 4616 4617 | ** See also: [sqlite3_db_release_memory()] */ int sqlite3_release_memory(int); /* ** CAPI3REF: Free Memory Used By A Database Connection ** | | | 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 | ** See also: [sqlite3_db_release_memory()] */ int sqlite3_release_memory(int); /* ** CAPI3REF: Free Memory Used By A Database Connection ** ** ^The sqlite3_db_release_memory(D) interface attempts to free as much heap ** memory as possible from database connection D. Unlike the ** [sqlite3_release_memory()] interface, this interface is effect even ** when then [SQLITE_ENABLE_MEMORY_MANAGEMENT] compile-time option is ** omitted. ** ** See also: [sqlite3_release_memory()] */ |
| ︙ | ︙ |