database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-12-21 13:38:01 +03:00
Code Activity

Unix builds now assume the presence of nanosleep() in the standard library.

Browse Source 
The -DHAVE_NANOSLEEP=0 compile-time option can be used to build on systems
(if any still exist) where this is not the case.

FossilOrigin-Name: 779d5dc8797ea246d0397f7e94b1be716b0baa735e8d9f5a6fc4cffd887a7420
This commit is contained in:
drh
2023-08-03 12:41:30 +00:00
parent c874d60353
commit 9b1334b7d3
7 changed files with 20 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/os_unix.c
View File

@@ -6715,12 +6715,17 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){
** than the argument.
*/
static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){
#if OS_VXWORKS || _POSIX_C_SOURCE >= 199309L
#if !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP+0
struct timespec sp;
sp.tv_sec = microseconds / 1000000;
sp.tv_nsec = (microseconds % 1000000) * 1000;
/* Almost all modern unix systems support nanosleep(). But if you are
** compiling for one of the rare exceptions, you can use
** -DHAVE_NANOSLEEP=0 (perhaps in conjuction with -DHAVE_USLEEP if
** usleep() is available) in order to bypass the use of nanosleep() */
nanosleep(&sp, NULL);
UNUSED_PARAMETER(NotUsed);
return microseconds;
#elif defined(HAVE_USLEEP) && HAVE_USLEEP