Remove Fl::*sleep() method family, as discussed in fltk.coredev.

Hopefully this doesn't break Windows or Mac OX IDE builds, please help
testing.

Short story: these functions showed compatibility problems, lacked some
quality (regarding interruption by signals), and maybe more.

This is a combined commit that reverts three (3) svn commits. The following
lists are extracted from git, but show the svn revisions and files:

    Remove Fl::*sleep() family, part 1: revert svn r 10287.

:100644 100644 a988702... 794920f... M	ide/Xcode4/FLTK.xcodeproj/project.pbxproj

    Remove Fl::*sleep() family, part 2: revert svn r 10151.

:100644 100644 cf839e6... bfde9c4... M	ide/Xcode3/FLTK.xcodeproj/project.pbxproj
:100644 100644 794920f... c0c772a... M	ide/Xcode4/FLTK.xcodeproj/project.pbxproj

    Remove Fl::*sleep() family, part 2b: revert svn r 10151 (continued).

:100644 100644 bfde9c4... abf2922... M	ide/Xcode3/FLTK.xcodeproj/project.pbxproj

    Remove Fl::*sleep() family, part 3: revert svn r 10150.

:100644 100644 b469018... e76a3e5... M	FL/Fl.H
:100644 100644 7bb7899... 4d4755d... M	ide/VisualC2008/fltk.lib.vcproj
:100644 100644 9d9a2cf... 334aef8... M	ide/VisualC2008/fltkdll.vcproj
:100644 100644 5533a54... e30058b... M	ide/VisualC2010/fltk.lib.vcxproj
:100644 100644 e49f691... 1259c87... M	ide/VisualC2010/fltk.lib.vcxproj.filters
:100644 100644 946f31a... d53ab80... M	src/CMakeLists.txt
:100644 000000 fed36fd... 0000000... D	src/Fl_sleep.cxx
:100644 100644 3d9656c... 3b265f9... M	src/Makefile
:100644 100644 6eadbcb... 5dd5872... M	test/sudoku.cxx


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10419 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

3 files changed, 1 insertions, 71 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 946f31ad2..d53ab8001 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -94,7 +94,6 @@ set(CPPFILES
   Fl_get_system_colors.cxx
   Fl_grab.cxx
   Fl_lock.cxx
-  Fl_sleep.cxx
   Fl_own_colormap.cxx
   Fl_visual.cxx
   Fl_x.cxx
diff --git a/src/Fl_sleep.cxx b/src/Fl_sleep.cxx
deleted file mode 100644
index fed36fdcc..000000000
--- a/src/Fl_sleep.cxx
+++ /dev/null
@@ -1,68 +0,0 @@
-//
-// "$Id$"
-//
-// Multi-platform sleep functions for the Fast Light Tool Kit (FLTK).
-//
-// Copyright 1998-2014 by Bill Spitzak and others.
-//
-// This library is free software. Distribution and use rights are outlined in
-// the file "COPYING" which should have been included with this file.  If this
-// file is missing or damaged, see the license at:
-//
-//     http://www.fltk.org/COPYING.php
-//
-// Please report all bugs and problems on the following page:
-//
-//     http://www.fltk.org/str.php
-//
-
-// Cross platform sleep API for FLTK, F. Costantini, May 20th, 2014
-
-#include <FL/Fl.H>
-#include <config.h>
-
-#include <stdlib.h>
-
-#ifdef WIN32
-#include <windows.h>
-#else
-#include <unistd.h>
-#endif
-
-/** Make the current thread sleep for n seconds, support decimals ... */
-void Fl::sleep(double seconds)
-{
-  Fl::usleep((unsigned long long) (seconds*1000000));
-}
-
-/** Make the current thread to sleep for n milliseconds */
-void Fl::msleep(unsigned long milliseconds)
-{
-#ifdef WIN32
-  ::Sleep( (DWORD) milliseconds);
-#else
-  ::usleep((useconds_t) (milliseconds*1000));
-#endif
-}
-
-/** Make the current thread to sleep for n microseconds */
-void Fl::usleep(unsigned long long microseconds)
-// unsigned long long more should be more portable than int64_t before c++ 2011 ...
-{
-#ifdef WIN32
-  HANDLE timer;
-  LARGE_INTEGER reltime;
-
-  reltime.QuadPart = (LONGLONG) -(10*microseconds); // Convert to 100 nanosecond relative time interval
-  timer = CreateWaitableTimer(NULL, TRUE, NULL);
-  SetWaitableTimer(timer, &reltime, 0, NULL, NULL, 0);
-  WaitForSingleObject(timer, INFINITE);
-  CloseHandle(timer);
-#else
-  ::usleep((useconds_t) microseconds);
-#endif
-}
-
-//
-// End of "$Id$".
-//
diff --git a/src/Makefile b/src/Makefile
index 3d9656c8e..3b265f9fa 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -61,7 +61,7 @@ CPPFILES = \
 	Fl_Pack.cxx \
 	Fl_Paged_Device.cxx \
 	Fl_Pixmap.cxx \
-  Fl_PostScript.cxx \
+	Fl_PostScript.cxx \
 	Fl_Positioner.cxx \
 	Fl_Preferences.cxx \
 	Fl_Printer.cxx \
@@ -110,7 +110,6 @@ CPPFILES = \
 	Fl_get_system_colors.cxx \
 	Fl_grab.cxx \
 	Fl_lock.cxx \
-	Fl_sleep.cxx \
 	Fl_own_colormap.cxx \
 	Fl_visual.cxx \
 	Fl_x.cxx \