)
dnl check if we actually are able to configure attributes on cond vars
AC_CHECK_FUNCS(pthread_condattr_init)
+dnl instead of pthread_condattr_setclock Android has this function
+AC_CHECK_FUNCS(pthread_cond_timedwait_monotonic)
dnl check if native rwlocks are available
AC_CHECK_FUNCS(pthread_rwlock_init)
LIBS=$saved_LIBS
}
}
+/* use the monotonic clock based version of this function if available */
+#ifdef HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC
+#define pthread_cond_timedwait pthread_cond_timedwait_monotonic
+#endif
+
/**
* Implementation of condvar_t.timed_wait_abs.
*/
*/
time_t time_monotonic(timeval_t *tv)
{
-#if defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CONDATTR_CLOCK_MONOTONIC)
+#if defined(HAVE_CLOCK_GETTIME) && \
+ (defined(HAVE_CONDATTR_CLOCK_MONOTONIC) || \
+ defined(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC))
/* as we use time_monotonic() for condvar operations, we use the
* monotonic time source only if it is also supported by pthread. */
timespec_t ts;
}
return ts.tv_sec;
}
-#endif /* HAVE_CLOCK_MONOTONIC && HAVE_CONDATTR_CLOCK_MONOTONIC */
+#endif /* HAVE_CLOCK_GETTIME && (...) */
/* Fallback to non-monotonic timestamps:
* On MAC OS X, creating monotonic timestamps is rather difficult. We
* could use mach_absolute_time() and catch sleep/wakeup notifications.