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| author | drh <drh@noemail.net> | 2016-03-04 03:20:05 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2016-03-04 03:20:05 +0000 |
| commit | e808d7c1fe6bf8e261935493a8f22466ef794954 (patch) | |
| tree | 3762f650bbc1b88e9f1a17f81445710a98f13e1f /src/os_unix.c | |
| parent | ddebf16f1f209dca695f813c6f87e4ad72c639ec (diff) | |
| parent | 79a2ca394467bdddb4ac5f607b1d0c54d176bc42 (diff) | |
| download | sqlite-e808d7c1fe6bf8e261935493a8f22466ef794954.tar.gz sqlite-e808d7c1fe6bf8e261935493a8f22466ef794954.zip | |
Detect the presence of pread()/pwrite() system calls on unix systems and
use them if available.
FossilOrigin-Name: 82cbf5ad2ed988a006106e188e98096a52e6779d
Diffstat (limited to 'src/os_unix.c')
| -rw-r--r-- | src/os_unix.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/os_unix.c b/src/os_unix.c index ea07bd99f..d6fbd8058 100644 --- a/src/os_unix.c +++ b/src/os_unix.c @@ -71,6 +71,19 @@ # endif #endif +/* Use pread() and pwrite() if they are available */ +#if defined(__APPLE__) +# define HAVE_PREAD 1 +# define HAVE_PWRITE 1 +#endif +#if defined(HAVE_PREAD64) && defined(HAVE_PWRITE64) +# undef USE_PREAD +# define USE_PREAD64 1 +#elif defined(HAVE_PREAD) && defined(HAVE_PWRITE) +# undef USE_PREAD64 +# define USE_PREAD 1 +#endif + /* ** standard include files. */ |