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Increase resolution of time-of-day on unix. Add an experimental

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sqlite3_profile() API. (CVS 2639)

FossilOrigin-Name: ed2ca0873fa89d6cfd123541d5d1c6b92c72b6ab
This commit is contained in:
drh
2005-08-29 23:00:03 +00:00
parent b46b57745d
commit 19e2d37f1d
13 changed files with 497 additions and 294 deletions
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8
src/os_unix.c
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@@ -18,6 +18,7 @@
#include <time.h>
#include <sys/time.h>
#include <errno.h>
#include <unistd.h>
@@ -1420,9 +1421,16 @@ int sqlite3_current_time = 0;
** return 0. Return 1 if the time and date cannot be found.
*/
int sqlite3OsCurrentTime(double *prNow){
#ifdef NO_GETTOD
time_t t;
time(&t);
*prNow = t/86400.0 + 2440587.5;
#else
struct timeval sNow;
struct timezone sTz; /* Not used */
gettimeofday(&sNow, &sTz);
*prNow = 2440587.5 + sNow.tv_sec/86400.0 + sNow.tv_usec/86400000000.0;
#endif
#ifdef SQLITE_TEST
if( sqlite3_current_time ){
*prNow = sqlite3_current_time/86400.0 + 2440587.5;