Remove unused support for SysV shared memory

src/trusted/desc/nacl_desc_base.c

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*
  * NaCl Service Runtime.  I/O Descriptor / Handle abstraction.  Memory
  * mapping using descriptors.
  */
 
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 
 #include "native_client/src/include/portability.h"
 #include "native_client/src/include/nacl_platform.h"
 
 #include "native_client/src/public/desc_metadata_types.h"
 
 #include "native_client/src/shared/platform/nacl_host_desc.h"
 #include "native_client/src/shared/platform/nacl_log.h"
 #include "native_client/src/shared/platform/nacl_sync_checked.h"
 
-#if NACL_LINUX
-#include "native_client/src/trusted/desc/linux/nacl_desc_sysv_shm.h"
-#endif  /* NACL_LINUX */
 #include "native_client/src/trusted/desc/nacl_desc_base.h"
 #include "native_client/src/trusted/desc/nacl_desc_cond.h"
 #include "native_client/src/trusted/desc/nacl_desc_conn_cap.h"
 #include "native_client/src/trusted/desc/nacl_desc_dir.h"
 #include "native_client/src/trusted/desc/nacl_desc_imc.h"
 #include "native_client/src/trusted/desc/nacl_desc_imc_bound_desc.h"
 #include "native_client/src/trusted/desc/nacl_desc_imc_shm.h"
 #include "native_client/src/trusted/desc/nacl_desc_invalid.h"
 #include "native_client/src/trusted/desc/nacl_desc_io.h"
 #include "native_client/src/trusted/desc/nacl_desc_mutex.h"
@@ skipping 161 matching lines @@
 #if NACL_WINDOWS
   NaClDescConnCapInternalize,
   NaClDescInternalizeNotImplemented,
 #else
   NaClDescInternalizeNotImplemented,
   NaClDescConnCapFdInternalize,
 #endif
   NaClDescInternalizeNotImplemented,  /* bound sockets cannot be transferred */
   NaClDescInternalizeNotImplemented,  /* connected abstract base class */
   NaClDescImcShmInternalize,
-#if NACL_LINUX && !NACL_ANDROID
-  NaClDescSysvShmInternalize,
-#else
-  NULL,
-#endif  /* NACL_LINUX */
   NaClDescInternalizeNotImplemented,  /* mutex */
   NaClDescInternalizeNotImplemented,  /* condvar */
   NaClDescInternalizeNotImplemented,  /* semaphore */
   NaClDescSyncSocketInternalize,
   NaClDescXferableDataDescInternalize,
   NaClDescInternalizeNotImplemented,  /* imc socket */
   NaClDescQuotaInternalize,           /* quota wrapper */
   NaClDescRngInternalize,             /* device: rng */
   NaClDescInternalizeNotImplemented,  /* device: postmessage */
   NaClDescInternalizeNotImplemented,  /* custom */
   NaClDescNullInternalize,
 };
 
 char const *NaClDescTypeString(enum NaClDescTypeTag type_tag) {
   /* default functions for the vtable - return NOT_IMPLEMENTED */
   switch (type_tag) {
 #define MAP(E) case E: do { return #E; } while (0)
     MAP(NACL_DESC_INVALID);
     MAP(NACL_DESC_DIR);
     MAP(NACL_DESC_HOST_IO);
     MAP(NACL_DESC_CONN_CAP);
     MAP(NACL_DESC_CONN_CAP_FD);
     MAP(NACL_DESC_BOUND_SOCKET);
     MAP(NACL_DESC_CONNECTED_SOCKET);
     MAP(NACL_DESC_SHM);
-    MAP(NACL_DESC_SYSV_SHM);
     MAP(NACL_DESC_MUTEX);
     MAP(NACL_DESC_CONDVAR);
     MAP(NACL_DESC_SEMAPHORE);
     MAP(NACL_DESC_SYNC_SOCKET);
     MAP(NACL_DESC_TRANSFERABLE_DATA_SOCKET);
     MAP(NACL_DESC_IMC_SOCKET);
     MAP(NACL_DESC_QUOTA);
     MAP(NACL_DESC_DEVICE_RNG);
     MAP(NACL_DESC_DEVICE_POSTMESSAGE);
     MAP(NACL_DESC_CUSTOM);
@@ skipping 489 matching lines @@
   NaClDescPostNotImplemented,
   NaClDescSemWaitNotImplemented,
   NaClDescGetValueNotImplemented,
   NaClDescSetMetadata,
   NaClDescGetMetadata,
   NaClDescSetFlags,
   NaClDescGetFlags,
   NaClDescIsattyNotImplemented,
   (enum NaClDescTypeTag) -1,  /* NaClDesc is an abstract base class */
 };