JMR-dev/redshift-rebooted
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

systemtime: Use gettimeofday if POSIX timers not available

Browse Source
This commit is contained in:
Jon Lund Steffensen
2014-12-15 01:40:37 -05:00
parent 3fc0c8cdbc
commit 0af9072793
2 changed files with 27 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
configure.ac
+1 -1
View File
@@ -222,7 +222,7 @@ AC_TYPE_UINT16_T
# Checks for library functions.
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_SEARCH_LIBS([floor], [m])
AC_CHECK_FUNCS([setlocale strchr floor pow clock_gettime])
AC_CHECK_FUNCS([setlocale strchr floor pow])
AC_CONFIG_FILES([
Makefile
src/systemtime.c
+26 -13
View File
@@ -14,13 +14,17 @@
You should have received a copy of the GNU General Public License
along with Redshift. If not, see <http://www.gnu.org/licenses/>.
Copyright (c) 2010 Jon Lund Steffensen <jonlst@gmail.com>
Copyright (c) 2010-2014 Jon Lund Steffensen <jonlst@gmail.com>
*/
#include <stdio.h>
#ifndef _WIN32
# include <time.h>
# ifdef _POSIX_TIMERS
# include <time.h>
# else
# include <sys/time.h>
# endif
#endif
#include "systemtime.h"
@@ -28,16 +32,7 @@
int
systemtime_get_time(double *t)
{
#ifndef _WIN32
struct timespec now;
int r = clock_gettime(CLOCK_REALTIME, &now);
if (r < 0) {
perror("clock_gettime");
return -1;
}
*t = now.tv_sec + (now.tv_nsec / 1000000000.0);
#else /* _WIN32 */
#if defined(_WIN32) /* Windows */
FILETIME now;
ULARGE_INTEGER i;
GetSystemTimeAsFileTime(&now);
@@ -46,7 +41,25 @@ systemtime_get_time(double *t)
/* FILETIME is tenths of microseconds since 1601-01-01 UTC */
*t = (i.QuadPart / 10000000.0) - 11644473600.0;
#endif /* _WIN32 */
#elif defined(_POSIX_TIMERS) /* POSIX timers */
struct timespec now;
int r = clock_gettime(CLOCK_REALTIME, &now);
if (r < 0) {
perror("clock_gettime");
return -1;
}
*t = now.tv_sec + (now.tv_nsec / 1000000000.0);
#else /* other platforms */
struct timeval now;
int r = gettimeofday(&now, NULL);
if (r < 0) {
perror("gettimeofday");
return -1;
}
*t = now.tv_sec + (now.tv_usec / 1000000.0);
#endif
return 0;
}