diff options
Diffstat (limited to 'src/corelib/kernel/qcore_unix.cpp')
-rw-r--r-- | src/corelib/kernel/qcore_unix.cpp | 65 |
1 files changed, 2 insertions, 63 deletions
diff --git a/src/corelib/kernel/qcore_unix.cpp b/src/corelib/kernel/qcore_unix.cpp index 0fd965b..e0d92c0 100644 --- a/src/corelib/kernel/qcore_unix.cpp +++ b/src/corelib/kernel/qcore_unix.cpp @@ -40,6 +40,7 @@ ****************************************************************************/ #include "qcore_unix_p.h" +#include "qelapsedtimer.h" #ifndef Q_OS_VXWORKS # if !defined(Q_OS_HPUX) || defined(__ia64) @@ -56,74 +57,12 @@ #include <mach/mach_time.h> #endif -#if !defined(QT_NO_CLOCK_MONOTONIC) -# if defined(QT_BOOTSTRAPPED) -# define QT_NO_CLOCK_MONOTONIC -# endif -#endif - QT_BEGIN_NAMESPACE -bool qt_gettime_is_monotonic() -{ -#if (_POSIX_MONOTONIC_CLOCK-0 > 0) || defined(Q_OS_MAC) - return true; -#else - static int returnValue = 0; - - if (returnValue == 0) { -# if (_POSIX_MONOTONIC_CLOCK-0 < 0) - returnValue = -1; -# elif (_POSIX_MONOTONIC_CLOCK == 0) - // detect if the system support monotonic timers - long x = sysconf(_SC_MONOTONIC_CLOCK); - returnValue = (x >= 200112L) ? 1 : -1; -# endif - } - - return returnValue != -1; -#endif -} - -timeval qt_gettime() -{ - timeval tv; -#if defined(Q_OS_MAC) - static mach_timebase_info_data_t info = {0,0}; - if (info.denom == 0) - mach_timebase_info(&info); - - uint64_t cpu_time = mach_absolute_time(); - uint64_t nsecs = cpu_time * (info.numer / info.denom); - tv.tv_sec = nsecs / 1000000000ull; - tv.tv_usec = (nsecs / 1000) - (tv.tv_sec * 1000000); - return tv; -#elif (_POSIX_MONOTONIC_CLOCK-0 > 0) - timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - tv.tv_sec = ts.tv_sec; - tv.tv_usec = ts.tv_nsec / 1000; - return tv; -#else -# if !defined(QT_NO_CLOCK_MONOTONIC) && !defined(QT_BOOTSTRAPPED) - if (qt_gettime_is_monotonic()) { - timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - tv.tv_sec = ts.tv_sec; - tv.tv_usec = ts.tv_nsec / 1000; - return tv; - } -# endif - // use gettimeofday - ::gettimeofday(&tv, 0); - return tv; -#endif -} - static inline bool time_update(struct timeval *tv, const struct timeval &start, const struct timeval &timeout) { - if (!qt_gettime_is_monotonic()) { + if (!QElapsedTimer::isMonotonic()) { // we cannot recalculate the timeout without a monotonic clock as the time may have changed return false; } |