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| author | drh <drh@noemail.net> | 2014-09-01 17:36:46 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2014-09-01 17:36:46 +0000 |
| commit | 0f8f26716cc3d1fa848f798756f6488f4c3760d3 (patch) | |
| tree | 62d0661166f82cc41d6a3635cf244579e18606ee /src/os_win.c | |
| parent | 19541f3018295f89a57931917539d1ea2fa93eff (diff) | |
| parent | 6b2129aaaf69c4318d4dc158b685e4522c4bf633 (diff) | |
| download | sqlite-0f8f26716cc3d1fa848f798756f6488f4c3760d3.tar.gz sqlite-0f8f26716cc3d1fa848f798756f6488f4c3760d3.zip | |
Add support for using separate worker threads to speed large sorts.
The SQLITE_MAX_WORKER_THREADS and SQLITE_DEFAULT_WORKER_THREADS compile-time
options and the SQLITE_LIMIT_WORKER_THREADS argument to
sqlite3_limit() and the "PRAGMA threads=N" pragma are added.
FossilOrigin-Name: b1c0f0bc1bd8a3477cd7a7ab510f0442ac88b517
Diffstat (limited to 'src/os_win.c')
| -rw-r--r-- | src/os_win.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/os_win.c b/src/os_win.c index b9f13becd..7ffe18059 100644 --- a/src/os_win.c +++ b/src/os_win.c @@ -943,11 +943,7 @@ static struct win_syscall { #define osWaitForSingleObject ((DWORD(WINAPI*)(HANDLE, \ DWORD))aSyscall[63].pCurrent) -#if SQLITE_OS_WINRT { "WaitForSingleObjectEx", (SYSCALL)WaitForSingleObjectEx, 0 }, -#else - { "WaitForSingleObjectEx", (SYSCALL)0, 0 }, -#endif #define osWaitForSingleObjectEx ((DWORD(WINAPI*)(HANDLE,DWORD, \ BOOL))aSyscall[64].pCurrent) @@ -1290,6 +1286,13 @@ void sqlite3_win32_sleep(DWORD milliseconds){ #endif } +DWORD sqlite3Win32Wait(HANDLE hObject){ + DWORD rc; + while( (rc = osWaitForSingleObjectEx(hObject, INFINITE, + TRUE))==WAIT_IO_COMPLETION ){} + return rc; +} + /* ** Return true (non-zero) if we are running under WinNT, Win2K, WinXP, ** or WinCE. Return false (zero) for Win95, Win98, or WinME. |