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Overview
| Comment: | Fix threads.c so that setting sqlite3FaultSim(200) using the SQLITE_TESTCTRL_FAULT_INSTALL callback causes both unix and windows worker threads to be sequential and deterministic, so that they can be tested reliably. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
2d867c054d6d3e1e841ba9ca524e986b |
| User & Date: | drh 2015-09-25 23:40:01 |
Context
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2015-09-26
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| 01:28 | Remove an assert in the windows worker-thread logic that can fail in a race condition. check-in: d7bfb960 user: drh tags: trunk | |
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2015-09-25
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| 23:40 | Fix threads.c so that setting sqlite3FaultSim(200) using the SQLITE_TESTCTRL_FAULT_INSTALL callback causes both unix and windows worker threads to be sequential and deterministic, so that they can be tested reliably. check-in: 2d867c05 user: drh tags: trunk | |
| 20:49 | Fix PRAGMA integrity_check so that it works with a UNIQUE index over expressions. check-in: 113181ce user: drh tags: trunk | |
Changes
Changes to src/threads.c.
63 63 64 64 *ppThread = 0; 65 65 p = sqlite3Malloc(sizeof(*p)); 66 66 if( p==0 ) return SQLITE_NOMEM; 67 67 memset(p, 0, sizeof(*p)); 68 68 p->xTask = xTask; 69 69 p->pIn = pIn; 70 + /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 71 + ** function that returns SQLITE_ERROR when passed the argument 200, that 72 + ** forces worker threads to run sequentially and deterministically 73 + ** for testing purposes. */ 70 74 if( sqlite3FaultSim(200) ){ 71 75 rc = 1; 72 76 }else{ 73 77 rc = pthread_create(&p->tid, 0, xTask, pIn); 74 78 } 75 79 if( rc ){ 76 80 p->done = 1; ................................................................................ 147 151 SQLiteThread *p; 148 152 149 153 assert( ppThread!=0 ); 150 154 assert( xTask!=0 ); 151 155 *ppThread = 0; 152 156 p = sqlite3Malloc(sizeof(*p)); 153 157 if( p==0 ) return SQLITE_NOMEM; 154 - if( sqlite3GlobalConfig.bCoreMutex==0 ){ 158 + /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 159 + ** function that returns SQLITE_ERROR when passed the argument 200, that 160 + ** forces worker threads to run sequentially and deterministically 161 + ** (via the sqlite3FaultSim() term of the conditional) for testing 162 + ** purposes. */ 163 + if( sqlite3GlobalConfig.bCoreMutex==0 || sqlite3FaultSim(200) ){ 155 164 memset(p, 0, sizeof(*p)); 156 165 }else{ 157 166 p->xTask = xTask; 158 167 p->pIn = pIn; 159 168 p->tid = (void*)_beginthreadex(0, 0, sqlite3ThreadProc, p, 0, &p->id); 160 169 if( p->tid==0 ){ 161 170 memset(p, 0, sizeof(*p));