extreme refactoring

[chaz/yoink] / src / timer.cc

diff --git a/src/timer.cc b/src/timer.cc
deleted file mode 100644 (file)
index d73d94f..0000000
--- a/src/timer.cc
+++ /dev/null
@@ -1,119 +0,0 @@
-
-/*******************************************************************************
-
- Copyright (c) 2009, Charles McGarvey
- All rights reserved.
- 
- Redistribution   and   use  in  source  and  binary  forms,  with  or  without
- modification, are permitted provided that the following conditions are met:
- 
-   * Redistributions  of  source  code  must retain the above copyright notice,
-     this list of conditions and the following disclaimer.
-   * Redistributions  in binary form must reproduce the above copyright notice,
-     this  list of conditions and the following disclaimer in the documentation
-     and/or other materials provided with the distribution.
- 
- THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*******************************************************************************/
-
-#include <stdexcept>
-#include <ctime>
-#include <cerrno>
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "timer.hh"
-
-
-namespace dc {
-
-
-#if HAVE_CLOCK_GETTIME
-
-// Since the monotonic clock will provide us with the timer since the computer
-// started, the number of seconds since that time could easily become so large
-// that it cannot be accurately stored in a float (even with as little two days
-// uptime), therefore we need to start from a more recent reference (when the
-// program starts).  Of course this isn't much of an issue if scalar is a
-// double-precision number.
-
-static time_t setReference()
-{
-       struct timespec ts;
-
-       if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-       {
-               return 0;
-       }
-
-       return ts.tv_sec;
-}
-
-static const time_t reference = setReference();
-
-
-scalar ticks()
-{
-       struct timespec ts;
-
-       if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-       {
-               throw std::runtime_error("cannot access monotonic clock");
-       }
-
-       return scalar(ts.tv_sec - reference) + scalar(ts.tv_nsec) / 1000000000.0;
-}
-
-
-#else // ! HAVE_CLOCK_GETTIME
-
-
-// If we don't have posix timers, we'll have to use a different timing method.
-// SDL only promises centisecond accuracy, but that's better than a kick in the
-// butt.
-
-#include <SDL/SDL.h>
-
-scalar ticks()
-{
-       Uint32 ms = SDL_GetTicks();
-       return scalar(ms / 1000) + scalar(ms % 1000) / 1000.0;
-}
-
-
-#endif // HAVE_CLOCK_GETTIME
-
-
-void sleep(scalar seconds, bool absolute)
-{
-       struct timespec ts;
-       int ret;
-
-       if (absolute) seconds -= ticks();
-       ts.tv_sec = time_t(seconds);
-       ts.tv_nsec = long((seconds - scalar(ts.tv_sec)) * 1000000000.0);
-
-       do
-       {
-               ret = nanosleep(&ts, &ts);
-       }
-       while (ret == -1 && errno == EINTR);
-}
-
-
-} // namespace dc
-
-/** vim: set ts=4 sw=4 tw=80: *************************************************/
-