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Add requirements marks and make minor tweaks to documentation.

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FossilOrigin-Name: 49188b2bb53a92b0b0b6aaf8247edeb0c1bcd1f5
This commit is contained in:
drh
2014-11-01 18:32:18 +00:00
parent 0fb5daed34
commit d1dcb23465
5 changed files with 25 additions and 19 deletions
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15
src/main.c
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@@ -329,15 +329,17 @@ int sqlite3_config(int op, ...){
switch( op ){
/* Mutex configuration options are only available in a threadsafe
** compile.
** compile.
*/
#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE>0
#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE>0 /* IMP: R-54466-46756 */
case SQLITE_CONFIG_SINGLETHREAD: {
/* Disable all mutexing */
sqlite3GlobalConfig.bCoreMutex = 0;
sqlite3GlobalConfig.bFullMutex = 0;
break;
}
#endif
#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE>0 /* IMP: R-20520-54086 */
case SQLITE_CONFIG_MULTITHREAD: {
/* Disable mutexing of database connections */
/* Enable mutexing of core data structures */
@@ -345,17 +347,23 @@ int sqlite3_config(int op, ...){
sqlite3GlobalConfig.bFullMutex = 0;
break;
}
#endif
#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE>0 /* IMP: R-59593-21810 */
case SQLITE_CONFIG_SERIALIZED: {
/* Enable all mutexing */
sqlite3GlobalConfig.bCoreMutex = 1;
sqlite3GlobalConfig.bFullMutex = 1;
break;
}
#endif
#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE>0 /* IMP: R-63666-48755 */
case SQLITE_CONFIG_MUTEX: {
/* Specify an alternative mutex implementation */
sqlite3GlobalConfig.mutex = *va_arg(ap, sqlite3_mutex_methods*);
break;
}
#endif
#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE>0 /* IMP: R-14450-37597 */
case SQLITE_CONFIG_GETMUTEX: {
/* Retrieve the current mutex implementation */
*va_arg(ap, sqlite3_mutex_methods*) = sqlite3GlobalConfig.mutex;
@@ -363,7 +371,6 @@ int sqlite3_config(int op, ...){
}
#endif
case SQLITE_CONFIG_MALLOC: {
/* Specify an alternative malloc implementation */
sqlite3GlobalConfig.m = *va_arg(ap, sqlite3_mem_methods*);
@@ -377,7 +384,7 @@ int sqlite3_config(int op, ...){
}
case SQLITE_CONFIG_MEMSTATUS: {
/* Enable or disable the malloc status collection */
sqlite3GlobalConfig.bMemstat = va_arg(ap, int);
sqlite3GlobalConfig.bMemstat = va_arg(ap, int); /* IMP: R-27464-47829 */
break;
}
case SQLITE_CONFIG_SCRATCH: {