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Overview
| Comment: | Adjustments to sqlite3MemoryBarrier() when compiling with MSVC and/or WinCE. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
3168326ebfa1c961d8fc6435453b02be |
| User & Date: | mistachkin 2015-10-06 01:44:53 |
Context
|
2015-10-06
| ||
| 17:27 | Fix the LIMIT and OFFSET handling for UNION ALL queries that contain a subquery with ORDER BY on the right-hand side. Fix for ticket [b65cb2c8d91f668584]. (check-in: 4b631364 user: drh tags: trunk) | |
| 01:44 | Adjustments to sqlite3MemoryBarrier() when compiling with MSVC and/or WinCE. (check-in: 3168326e user: mistachkin tags: trunk) | |
|
2015-10-05
| ||
| 19:41 | Improve performance of prefix queries without a prefix index on fts5 tables. (check-in: f2f0184e user: dan tags: trunk) | |
Changes
Changes to src/mutex_w32.c.
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 |
** compiled without mutexes (SQLITE_THREADSAFE=0).
*/
void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__)
__sync_synchronize();
#else
MemoryBarrier();
#endif
}
/*
** Initialize and deinitialize the mutex subsystem.
*/
|
| > > > |
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 |
** compiled without mutexes (SQLITE_THREADSAFE=0).
*/
void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__)
__sync_synchronize();
#elif !defined(SQLITE_DISABLE_INTRINSIC) && \
defined(_MSC_VER) && _MSC_VER>=1300
_ReadWriteBarrier();
#elif defined(MemoryBarrier)
MemoryBarrier();
#endif
}
/*
** Initialize and deinitialize the mutex subsystem.
*/
|
Changes to src/sqliteInt.h.
192 193 194 195 196 197 198 199 200 201 202 203 204 205 |
*/ #if !defined(SQLITE_DISABLE_INTRINSIC) # if defined(_MSC_VER) && _MSC_VER>=1300 # if !defined(_WIN32_WCE) # include <intrin.h> # pragma intrinsic(_byteswap_ushort) # pragma intrinsic(_byteswap_ulong) # else # include <cmnintrin.h> # endif # endif #endif /* |
> |
192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 |
*/
#if !defined(SQLITE_DISABLE_INTRINSIC)
# if defined(_MSC_VER) && _MSC_VER>=1300
# if !defined(_WIN32_WCE)
# include <intrin.h>
# pragma intrinsic(_byteswap_ushort)
# pragma intrinsic(_byteswap_ulong)
# pragma intrinsic(_ReadWriteBarrier)
# else
# include <cmnintrin.h>
# endif
# endif
#endif
/*
|