Provides some of the missing POSIX file syscalls

src/shared/platform/nacl_host_desc.h

 /*
  * 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.
  */
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLATFORM_NACL_HOST_DESC_H__
 #define NATIVE_CLIENT_SRC_TRUSTED_PLATFORM_NACL_HOST_DESC_H__
 
 #include <sys/stat.h>
 
 #include "native_client/src/include/nacl_compiler_annotations.h"
 #include "native_client/src/include/portability.h"
 #include "native_client/src/shared/platform/nacl_sync.h"
+#include "native_client/src/trusted/service_runtime/include/sys/time.h"
 
 #if NACL_LINUX || NACL_OSX
 # include "native_client/src/shared/platform/posix/nacl_host_desc_types.h"
 #elif NACL_WINDOWS
 # include "native_client/src/shared/platform/win/nacl_host_desc_types.h"
 #endif
 
 
 
 /*
@@ skipping 296 matching lines @@
  * be NULL.
  */
 extern int NaClHostDescGetcwd(char *path, size_t len) NACL_WUR;
 
 /*
  * Remove/delete the underlying file.
  * Underlying host-OS functions:  unlink(2) / _unlink
  */
 extern int NaClHostDescUnlink(char const *path) NACL_WUR;
 
+extern int NaClHostDescTruncate(const char    *path,
+                                nacl_off64_t  length) NACL_WUR;
+
+extern int NaClHostDescLstat(char const       *host_os_pathname,
+                             nacl_host_stat_t *nasp) NACL_WUR;
+
+extern int NaClHostDescLink(const char *oldpath,
+                            const char *newpath) NACL_WUR;
+
+extern int NaClHostDescChmod(const char *path, int mode) NACL_WUR;
+
+extern int NaClHostDescAccess(const char *pathname, int mode) NACL_WUR;
+
+extern int NaClHostDescRename(const char *oldpath,
+                              const char *newpath) NACL_WUR;
+
+extern int NaClHostDescReadlink(const char  *path,
+                                char        *buf,
+                                size_t      bufsiz) NACL_WUR;
+
+extern int NaClHostDescSymlink(const char *oldpath,
+                               const char *newpath) NACL_WUR;
+
+extern int NaClHostDescUtimes(const char                    *filename,
+                              const struct nacl_abi_timeval times[2]) NACL_WUR;
+
+extern int NaClHostDescFchmod(struct NaClHostDesc *d, int mode) NACL_WUR;
+
+extern int NaClHostDescFsync(struct NaClHostDesc *d) NACL_WUR;
+
+extern int NaClHostDescFdatasync(struct NaClHostDesc *d) NACL_WUR;
+
+extern int NaClHostDescFtruncate(struct NaClHostDesc  *d,
+                                 nacl_off64_t         length) NACL_WUR;
+
 /*
  * Maps NACI_ABI_ versions of the mmap prot argument to host ABI versions
  * of the bit values
  */
 extern int NaClProtMap(int abi_prot);
 
 /*
  * Utility routine.  Checks |d| is non-NULL, and that d->d is not -1.
  * If either is true, an appropriate LOG_FATAL message with |fn_name|
  * interpolated is generated.
@@ skipping 11 matching lines @@
                                              char const **out_msg);
 
 extern DWORD NaClflProtectMap(int prot);
 #endif
 
 EXTERN_C_END
 
 #endif  /* defined __native_client__ */
 
 #endif  /* NATIVE_CLIENT_SRC_TRUSTED_PLATFORM_NACL_HOST_DESC_H__ */