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Overview
| Comment: | Clarify docs for the SQLITE_CONFIG_WIN32_HEAPSIZE option. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | winHeapSize |
| Files: | files | file ages | folders |
| SHA1: |
51e876074af4e34ba01ed122e3bcc042 |
| User & Date: | mistachkin 2013-11-25 21:49:04 |
Context
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2013-11-25
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| 23:42 | Add SQLITE_CONFIG_WIN32_HEAPSIZE option to configure the maximum isolated heap size on Windows. check-in: 914e6c9d user: mistachkin tags: trunk | |
| 21:49 | Clarify docs for the SQLITE_CONFIG_WIN32_HEAPSIZE option. Closed-Leaf check-in: 51e87607 user: mistachkin tags: winHeapSize | |
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2013-11-23
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| 00:27 | Add experimental sqlite3_config option to control the native Win32 heap size. check-in: f09f11e9 user: mistachkin tags: winHeapSize | |
Changes
Changes to src/main.c.
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if( szMmap<0 ) szMmap = SQLITE_DEFAULT_MMAP_SIZE;
if( szMmap>mxMmap) szMmap = mxMmap;
sqlite3GlobalConfig.szMmap = szMmap;
break;
}
#if SQLITE_OS_WIN && defined(SQLITE_WIN32_MALLOC)
case SQLITE_CONFIG_HEAP_SIZE: {
sqlite3GlobalConfig.nHeap = va_arg(ap, int);
break;
}
#endif
default: {
rc = SQLITE_ERROR;
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if( szMmap<0 ) szMmap = SQLITE_DEFAULT_MMAP_SIZE;
if( szMmap>mxMmap) szMmap = mxMmap;
sqlite3GlobalConfig.szMmap = szMmap;
break;
}
#if SQLITE_OS_WIN && defined(SQLITE_WIN32_MALLOC)
case SQLITE_CONFIG_WIN32_HEAPSIZE: {
sqlite3GlobalConfig.nHeap = va_arg(ap, int);
break;
}
#endif
default: {
rc = SQLITE_ERROR;
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Changes to src/sqlite.h.in.
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** [SQLITE_FCNTL_MMAP_SIZE] file control. ^(The maximum allowed mmap size ** cannot be changed at run-time. Nor may the maximum allowed mmap size ** exceed the compile-time maximum mmap size set by the ** [SQLITE_MAX_MMAP_SIZE] compile-time option.)^ ** ^If either argument to this option is negative, then that argument is ** changed to its compile-time default. ** ** [[SQLITE_CONFIG_HEAP_SIZE]] ** <dt>SQLITE_CONFIG_HEAP_SIZE ** <dd>^This option is only available if SQLite is compiled for Windows ** with the [SQLITE_WIN32_MALLOC] pre-processor macro defined. ** SQLITE_CONFIG_HEAP_SIZE takes a 32-bit integer value that specifies ** the maximum size of the heap. ** </dl> */ #define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ #define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ #define SQLITE_CONFIG_SERIALIZED 3 /* nil */ #define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ #define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ ................................................................................ #define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ #define SQLITE_CONFIG_URI 17 /* int */ #define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_COVERING_INDEX_SCAN 20 /* int */ #define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ #define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ #define SQLITE_CONFIG_HEAP_SIZE 23 /* int nByte */ /* ** CAPI3REF: Database Connection Configuration Options ** ** These constants are the available integer configuration options that ** can be passed as the second argument to the [sqlite3_db_config()] interface. ** |
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** [SQLITE_FCNTL_MMAP_SIZE] file control. ^(The maximum allowed mmap size ** cannot be changed at run-time. Nor may the maximum allowed mmap size ** exceed the compile-time maximum mmap size set by the ** [SQLITE_MAX_MMAP_SIZE] compile-time option.)^ ** ^If either argument to this option is negative, then that argument is ** changed to its compile-time default. ** ** [[SQLITE_CONFIG_WIN32_HEAPSIZE]] ** <dt>SQLITE_CONFIG_WIN32_HEAPSIZE ** <dd>^This option is only available if SQLite is compiled for Windows ** with the [SQLITE_WIN32_MALLOC] pre-processor macro defined. ** SQLITE_CONFIG_WIN32_HEAPSIZE takes a 32-bit unsigned integer value ** that specifies the maximum size of the heap. ** </dl> */ #define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ #define SQLITE_CONFIG_MULTITHREAD 2 /* nil */ #define SQLITE_CONFIG_SERIALIZED 3 /* nil */ #define SQLITE_CONFIG_MALLOC 4 /* sqlite3_mem_methods* */ #define SQLITE_CONFIG_GETMALLOC 5 /* sqlite3_mem_methods* */ ................................................................................ #define SQLITE_CONFIG_LOG 16 /* xFunc, void* */ #define SQLITE_CONFIG_URI 17 /* int */ #define SQLITE_CONFIG_PCACHE2 18 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_GETPCACHE2 19 /* sqlite3_pcache_methods2* */ #define SQLITE_CONFIG_COVERING_INDEX_SCAN 20 /* int */ #define SQLITE_CONFIG_SQLLOG 21 /* xSqllog, void* */ #define SQLITE_CONFIG_MMAP_SIZE 22 /* sqlite3_int64, sqlite3_int64 */ #define SQLITE_CONFIG_WIN32_HEAPSIZE 23 /* int nByte */ /* ** CAPI3REF: Database Connection Configuration Options ** ** These constants are the available integer configuration options that ** can be passed as the second argument to the [sqlite3_db_config()] interface. ** |
Changes to src/test_malloc.c.
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if( nArg!=1 ){
Tcl_WrongNumArgs(interp, 1, objv, "NBYTE");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, aArg[0], &nByte) ) return TCL_ERROR;
rc = sqlite3_config(SQLITE_CONFIG_HEAP_SIZE, nByte);
Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
return TCL_OK;
}
/*
** Usage: sqlite3_config_error [DB]
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if( nArg!=1 ){
Tcl_WrongNumArgs(interp, 1, objv, "NBYTE");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, aArg[0], &nByte) ) return TCL_ERROR;
rc = sqlite3_config(SQLITE_CONFIG_WIN32_HEAPSIZE, nByte);
Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
return TCL_OK;
}
/*
** Usage: sqlite3_config_error [DB]
|