Remove unused posix_memalign implementation

CMakeLists mentions it might have been useful on PowerPC once, but isn't certain of utility anymore. Since it's been years: deleting this cruft.
author: Marcus Müller <marcus@hostalia.de> 2018-08-25 22:53:25 +0200
committer: Marcus Müller <marcus@hostalia.de> 2018-08-27 18:58:36 +0200
commit: 7985034ed4dc98ab5fe7366695f5abec75545914 (patch)
tree: 124259ad00863f904e13dda749106238bb29f1bf
parent: 0c024207b2ce3d10982e9d8912096afcfbdb925e (diff)
3 files changed, 0 insertions, 164 deletions
diff --git a/gnuradio-runtime/lib/CMakeLists.txt b/gnuradio-runtime/lib/CMakeLists.txt
index eee34f01ee..c820c5f1e9 100644
--- a/gnuradio-runtime/lib/CMakeLists.txt
+++ b/gnuradio-runtime/lib/CMakeLists.txt
@@ -120,14 +120,6 @@ list(APPEND gnuradio_runtime_sources
   ${gnuradio_ctrlport_sources}
 )
 
-# PowerPC workaround for posix_memalign
-# Might not be needed, but we'll keep it for now.
-if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)")
-    list(APPEND gnuradio_runtime_sources
-        ${CMAKE_CURRENT_SOURCE_DIR}/posix_memalign.cc
-    )
-endif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)")
-
 list(APPEND gnuradio_runtime_libs
     gnuradio-pmt
     ${VOLK_LIBRARIES}
diff --git a/gnuradio-runtime/lib/posix_memalign.cc b/gnuradio-runtime/lib/posix_memalign.cc
deleted file mode 100644
index eb3bbe3e0f..0000000000
--- a/gnuradio-runtime/lib/posix_memalign.cc
+++ /dev/null
@@ -1,114 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2008,2009 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 "posix_memalign.h"
-
-#ifdef HAVE_MALLOC_H
-// for Cygwin valloc () prototype
-#include <malloc.h>
-#endif
-
-#ifndef HAVE_POSIX_MEMALIGN
-
-/* emulate posix_memalign functionality, to some degree */
-
-#include <errno.h>
-#include "pagesize.h"
-
-int posix_memalign
-(void **memptr, size_t alignment, size_t size)
-{
-  /* emulate posix_memalign functionality, to some degree */
-
-  /* make sure the return handle is valid; return "bad address" if not valid */
-  if (memptr == 0)
-    return (EFAULT);
-  *memptr = (void*) 0;
-
-  /* make sure 'alignment' is a power of 2
-   * and multiple of sizeof (void*)
-   */
-
-  /* make sure 'alignment' is a multiple of sizeof (void*) */
-  if ((alignment % sizeof (void*)) != 0)
-    return (EINVAL);
-
-  /* make sure 'alignment' is a power of 2 */
-  if ((alignment & (alignment - 1)) != 0)
-    return (EINVAL);
-
-  /* good alignment */
-
-#if (ALIGNED_MALLOC != 0)
-
-  /* if 'malloc' is known to be aligned, and the desired 'alignment'
-   * matches is <= that provided by 'malloc', then use 'malloc'.  This
-   * works on, e.g., Darwin for which malloc is 16-byte aligned.
-   */
-  size_t am = (size_t) ALIGNED_MALLOC;
-  if (alignment <= am) {
-    /* make sure ALIGNED_MALLOC is a power of 2, to guarantee that the
-     * alignment is correct (since 'alignment' must be a power of 2).
-     */
-    if ((am & (am - 1)) != 0)
-      return (EINVAL);
-    /* good malloc alignment */
-    *memptr = malloc (size);
-  }
-
-#endif /* (ALIGNED_MALLOC != 0) */
-#ifdef HAVE_VALLOC
-
-  if (*memptr == (void*) 0) {
-    /* try valloc if it exists */
-    /* cheap and easy way to make sure alignment is met, so long as it
-     * is <= pagesize () */
-    if (alignment <= (size_t) gr::pagesize ()) {
-      *memptr = valloc (size);
-    }
-  }
-
-#endif /* HAVE_VALLOC */
-
-#if (ALIGNED_MALLOC == 0) && !defined (HAVE_VALLOC)
-  /* no posix_memalign, valloc, and malloc isn't known to be aligned
-   * (enough for the input arguments); no idea what to do.
-   */
-
-#error gnuradio-runtime/lib/posix_memalign.cc: Cannot find a way to alloc aligned memory.
-
-#endif
-
-  /* if the pointer wasn't allocated properly, return that there was
-   * not enough memory to allocate; otherwise, return OK (0).
-   */
-  if (*memptr == (void*) 0)
-    return (ENOMEM);
-  else
-    return (0);
-};
-
-#endif /* ! HAVE_POSIX_MEMALIGN */
diff --git a/gnuradio-runtime/lib/posix_memalign.h b/gnuradio-runtime/lib/posix_memalign.h
deleted file mode 100644
index ea79ced2ef..0000000000
--- a/gnuradio-runtime/lib/posix_memalign.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2008 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.
- */
-
-#ifndef _POSIX_MEMALIGN_H_
-#define _POSIX_MEMALIGN_H_
-
-#include <stdlib.h>
-
-#ifndef HAVE_POSIX_MEMALIGN
-
-#ifdef	__cplusplus
-extern "C" {
-#endif
-
-extern int posix_memalign (void** memptr, size_t alignment, size_t size);
-
-#ifdef	__cplusplus
-};
-#endif
-
-#endif /* ! HAVE_POSIX_MEMALIGN */
-
-#endif /* _POSIX_MEMALIGN_H_ */
author	Marcus Müller <marcus@hostalia.de>	2018-08-25 22:53:25 +0200
committer	Marcus Müller <marcus@hostalia.de>	2018-08-27 18:58:36 +0200
commit	7985034ed4dc98ab5fe7366695f5abec75545914 (patch)
tree	124259ad00863f904e13dda749106238bb29f1bf
parent	0c024207b2ce3d10982e9d8912096afcfbdb925e (diff)