1 files changed, 0 insertions, 205 deletions
diff --git a/gnuradio-runtime/lib/gr_vmcircbuf_mmap_shm_open.cc b/gnuradio-runtime/lib/gr_vmcircbuf_mmap_shm_open.cc
deleted file mode 100644
index 3d170081d0..0000000000
--- a/gnuradio-runtime/lib/gr_vmcircbuf_mmap_shm_open.cc
+++ /dev/null
@@ -1,205 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003,2011 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include <gr_vmcircbuf_mmap_shm_open.h>
-#include <stdexcept>
-#include <assert.h>
-#include <unistd.h>
-#include <fcntl.h>
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-#include <errno.h>
-#include <stdio.h>
-#include <gr_pagesize.h>
-#include <gr_sys_paths.h>
-
-
-gr_vmcircbuf_mmap_shm_open::gr_vmcircbuf_mmap_shm_open (int size)
-  : gr_vmcircbuf (size)
-{
-#if !defined(HAVE_MMAP) || !defined(HAVE_SHM_OPEN)
-  fprintf (stderr, "gr_vmcircbuf_mmap_shm_open: mmap or shm_open is not available\n");
-  throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-#else
-  static int s_seg_counter = 0;
-
-  if (size <= 0 || (size % gr_pagesize ()) != 0){
-    fprintf (stderr, "gr_vmcircbuf_mmap_shm_open: invalid size = %d\n", size);
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-
-  int		shm_fd = -1;
-  char	 	seg_name[1024];
-  static bool	portable_format = true;
-
-  // open a new named shared memory segment
-
-  while (1){
-    if (portable_format){
-
-      // This is the POSIX recommended "portable format".
-      // Of course the "portable format" doesn't work on some systems...
-
-      snprintf (seg_name, sizeof (seg_name),
-		"/gnuradio-%d-%d", getpid (), s_seg_counter);
-    }
-    else {
-
-      // Where the "portable format" doesn't work, we try building
-      // a full filesystem pathname pointing into a suitable temporary directory.
-
-      snprintf (seg_name, sizeof (seg_name),
-		"%s/gnuradio-%d-%d", gr_tmp_path (), getpid (), s_seg_counter);
-    }
-
-    shm_fd = shm_open (seg_name, O_RDWR | O_CREAT | O_EXCL, 0600);
-    if (shm_fd == -1 && errno == EACCES && portable_format){
-      portable_format = false;
-      continue;			// try again using "non-portable format"
-    }
-
-    s_seg_counter++;
-
-    if (shm_fd == -1){
-      if (errno == EEXIST)	// Named segment already exists (shouldn't happen).  Try again
-	continue;
-
-      char msg[1024];
-      snprintf (msg, sizeof (msg), "gr_vmcircbuf_mmap_shm_open: shm_open [%s]", seg_name);
-      perror (msg);
-      throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-    }
-    break;
-  }
-
-  // We've got a new shared memory segment fd open.
-  // Now set it's length to 2x what we really want and mmap it in.
-
-  if (ftruncate (shm_fd, (off_t) 2 * size) == -1){
-    close (shm_fd);						// cleanup
-    perror ("gr_vmcircbuf_mmap_shm_open: ftruncate (1)");
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-
-  void *first_copy = mmap (0, 2 * size,
-			   PROT_READ | PROT_WRITE, MAP_SHARED,
-			   shm_fd, (off_t) 0);
-
-  if (first_copy == MAP_FAILED){
-    close (shm_fd);						// cleanup
-    perror ("gr_vmcircbuf_mmap_shm_open: mmap (1)");
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-
-  // unmap the 2nd half
-  if (munmap ((char *) first_copy + size, size) == -1){
-    close (shm_fd);						// cleanup
-    perror ("gr_vmcircbuf_mmap_shm_open: munmap (1)");
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-
-  // map the first half into the now available hole where the
-  // second half used to be.
-
-  void *second_copy = mmap ((char *) first_copy + size, size,
-			    PROT_READ | PROT_WRITE, MAP_SHARED,
-			    shm_fd, (off_t) 0);
-
-  if (second_copy == MAP_FAILED){
-    close (shm_fd);						// cleanup
-    perror ("gr_vmcircbuf_mmap_shm_open: mmap (2)");
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-
-#if 0  // OS/X doesn't allow you to resize the segment
-
-  // cut the shared memory segment down to size
-  if (ftruncate (shm_fd, (off_t) size) == -1){
-    close (shm_fd);						// cleanup
-    perror ("gr_vmcircbuf_mmap_shm_open: ftruncate (2)");
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-#endif
-
-  close (shm_fd);	// fd no longer needed.  The mapping is retained.
-
-  if (shm_unlink (seg_name) == -1){	// unlink the seg_name.
-    perror ("gr_vmcircbuf_mmap_shm_open: shm_unlink");
-    throw std::runtime_error ("gr_vmcircbuf_mmap_shm_open");
-  }
-
-  // Now remember the important stuff
-
-  d_base = (char *) first_copy;
-  d_size = size;
-#endif
-}
-
-gr_vmcircbuf_mmap_shm_open::~gr_vmcircbuf_mmap_shm_open ()
-{
-#if defined(HAVE_MMAP)
-  if (munmap (d_base, 2 * d_size) == -1){
-    perror ("gr_vmcircbuf_mmap_shm_open: munmap (2)");
-  }
-#endif
-}
-
-// ----------------------------------------------------------------
-//			The factory interface
-// ----------------------------------------------------------------
-
-
-gr_vmcircbuf_factory *gr_vmcircbuf_mmap_shm_open_factory::s_the_factory = 0;
-
-gr_vmcircbuf_factory *
-gr_vmcircbuf_mmap_shm_open_factory::singleton ()
-{
-  if (s_the_factory)
-    return s_the_factory;
-
-  s_the_factory = new gr_vmcircbuf_mmap_shm_open_factory ();
-  return s_the_factory;
-}
-
-int
-gr_vmcircbuf_mmap_shm_open_factory::granularity ()
-{
-  return gr_pagesize ();
-}
-
-gr_vmcircbuf *
-gr_vmcircbuf_mmap_shm_open_factory::make (int size)
-{
-  try {
-    return new gr_vmcircbuf_mmap_shm_open (size);
-  }
-  catch (...){
-    return 0;
-  }
-}