Remove unused unistd.h an sys/time.h includes

For the most part glib has superseded low level POSIX fork/pipe
/open/close/.. I/O.

libs/ardour/audioengine.cc

@@ -24,7 +24,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <unistd.h>
 #include <cerrno>
 #include <vector>
 #include <exception>

libs/ardour/audiofilesource.cc

@@ -26,10 +26,8 @@
 
 #include <vector>
 
-#include <sys/time.h>
 #include <sys/stat.h>
 #include <stdio.h> // for rename(), sigh
-#include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
 

libs/ardour/butler.cc

@@ -22,7 +22,6 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <unistd.h>
 
 #ifdef HAVE_IOPRIO
 #include <sys/syscall.h>

libs/ardour/file_source.cc

@@ -22,9 +22,7 @@
 
 #include <vector>
 
-#include <sys/time.h>
 #include <sys/stat.h>
-#include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
 

libs/ardour/find_session.cc

@@ -19,8 +19,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <unistd.h>
-
 #include <cstring>
 #include <climits>
 #include <cerrno>

libs/ardour/globals.cc

@@ -37,7 +37,6 @@
 #include <sstream>
 
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <sys/types.h>
 #ifndef PLATFORM_WINDOWS
 #include <sys/resource.h>
@@ -45,7 +44,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <time.h>
-#include <unistd.h>
 
 #include <glib.h>
 #include "pbd/gstdio_compat.h"

libs/ardour/import.cc

@@ -29,7 +29,6 @@
 #include <string>
 #include <climits>
 #include <cerrno>
-#include <unistd.h>
 #include <sys/stat.h>
 #include <time.h>
 #include <stdint.h>

libs/ardour/import_pt.cc

@@ -18,9 +18,7 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <errno.h>
-#include <unistd.h>
 #include <algorithm>
 #include <glibmm.h>
 

libs/ardour/io.cc

@@ -28,7 +28,6 @@
 #include <cmath>
 #include <vector>
 
-#include <unistd.h>
 #include <locale.h>
 #include <errno.h>
 

libs/ardour/location.cc

@@ -27,7 +27,6 @@
 #include <algorithm>
 #include <set>
 #include <cstdio> /* for sprintf */
-#include <unistd.h>
 #include <cerrno>
 #include <ctime>
 #include <list>

libs/ardour/ltc_slave.cc

@@ -20,7 +20,6 @@
 #include <iostream>
 #include <errno.h>
 #include <sys/types.h>
-#include <unistd.h>
 
 #include "pbd/error.h"
 #include "pbd/failed_constructor.h"

libs/ardour/midi_clock_slave.cc

@@ -25,7 +25,7 @@
 #include <cmath>
 #include <errno.h>
 #include <sys/types.h>
-#include <unistd.h>
+
 #include "pbd/error.h"
 #include "pbd/failed_constructor.h"
 #include "pbd/pthread_utils.h"

libs/ardour/midi_source.cc

@@ -23,7 +23,6 @@
  */
 
 #include <sys/stat.h>
-#include <unistd.h>
 #include <fcntl.h>
 #include <float.h>
 #include <cerrno>

libs/ardour/mtc_slave.cc

@@ -22,7 +22,6 @@
 #include <iostream>
 #include <errno.h>
 #include <sys/types.h>
-#include <unistd.h>
 
 #include "pbd/error.h"
 #include "pbd/pthread_utils.h"

libs/ardour/panner_manager.cc

@@ -21,8 +21,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <unistd.h>
-
 #include <glibmm/pattern.h>
 #include <glibmm/fileutils.h>
 

libs/ardour/panner_shell.cc

@@ -29,7 +29,6 @@
 #include <string>
 #include <cstdio>
 #include <locale.h>
-#include <unistd.h>
 #include <float.h>
 #include <iomanip>
 

libs/ardour/rc_configuration.cc

@@ -20,7 +20,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <unistd.h>
 #include <cstdio> /* for snprintf, grrr */
 
 #include <glib.h>

libs/ardour/session.cc

@@ -36,7 +36,6 @@
 #include <cstdio> /* sprintf(3) ... grrr */
 #include <cmath>
 #include <cerrno>
-#include <unistd.h>
 #include <limits.h>
 
 #include <glibmm/datetime.h>

libs/ardour/session_events.cc

@@ -20,7 +20,6 @@
  */
 
 #include <cmath>
-#include <unistd.h>
 
 #include "pbd/error.h"
 #include "pbd/enumwriter.h"

libs/ardour/session_midi.cc

@@ -29,8 +29,6 @@
 #include <memory>
 #include <string>
 
-#include <unistd.h>
-
 #include <glibmm/main.h>
 
 #include "midi++/mmc.h"

libs/ardour/session_process.cc

@@ -24,7 +24,6 @@
 #include <cmath>
 #include <cerrno>
 #include <algorithm>
-#include <unistd.h>
 
 #include "pbd/i18n.h"
 #include "pbd/error.h"

libs/ardour/session_state.cc

@@ -40,10 +40,8 @@
 #include <cstdio> /* snprintf(3) ... grrr */
 #include <cmath>
 
-#include <unistd.h>
 #include <climits>
 #include <signal.h>
-#include <sys/time.h>
 /* for open(2) */
 #include <sys/types.h>
 #include <sys/stat.h>

libs/ardour/session_time.cc

@@ -25,7 +25,6 @@
 
 #include <iostream>
 #include <cmath>
-#include <unistd.h>
 
 #include "ardour/timestamps.h"
 

libs/ardour/session_transport.cc

@@ -30,7 +30,6 @@
 
 #include <cmath>
 #include <cerrno>
-#include <unistd.h>
 
 #include "pbd/atomic.h"
 #include "pbd/error.h"

libs/ardour/smf_source.cc

@@ -25,14 +25,9 @@
 
 #include <vector>
 
-#include <sys/time.h>
 #include <sys/stat.h>
 #include <errno.h>
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
 #include "pbd/file_utils.h"
 #include "pbd/stl_delete.h"
 #include "pbd/strsplit.h"

libs/ardour/source.cc

@@ -24,7 +24,7 @@
  */
 
 #include <sys/stat.h>
-#include <unistd.h>
+
 #include <float.h>
 #include <cerrno>
 #include <ctime>

libs/ardour/vst2_scan.cc

@@ -36,7 +36,6 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <unistd.h>
 #include <stdint.h>
 #else
 #include <sys/utsname.h>

libs/ardour/worker.cc

@@ -18,7 +18,6 @@
  */
 
 #include <stdlib.h>
-#include <unistd.h>
 
 #include <glibmm/timer.h>