PPAPI: Implement PPB_FileMapping on POSIX

ppapi/c/ppb_file_mapping.h

Index: ppapi/c/ppb_file_mapping.h
diff --git a/ppapi/c/dev/ppb_file_io_dev.h b/ppapi/c/ppb_file_mapping.h
similarity index 82%
rename from ppapi/c/dev/ppb_file_io_dev.h
rename to ppapi/c/ppb_file_mapping.h
index a60d3a64c103e1cf13916acf7a4d5544b5ef8c05..274c34b974852cac64fffef551e90784f09cbd9e 100644
--- a/ppapi/c/dev/ppb_file_io_dev.h
+++ b/ppapi/c/ppb_file_mapping.h
@@ -3,19 +3,18 @@
  * found in the LICENSE file.
  */
 
-/* From dev/ppb_file_io_dev.idl modified Thu Sep 19 10:07:03 2013. */
+/* From ppb_file_mapping.idl modified Tue Dec 17 14:05:45 2013. */
 
-#ifndef PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
-#define PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
+#ifndef PPAPI_C_PPB_FILE_MAPPING_H_
+#define PPAPI_C_PPB_FILE_MAPPING_H_
 
 #include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 
-#define PPB_FILEIO_DEV_INTERFACE_0_1 "PPB_FileIO(Dev);0.1"
-#define PPB_FILEIO_DEV_INTERFACE PPB_FILEIO_DEV_INTERFACE_0_1
-
+#define PPB_FILEMAPPING_INTERFACE_0_1 "PPB_FileMapping;0.1" /* dev */
 /**
  * @file
  * This file defines methods for use with a PPB_FileIO resource that may become
@@ -74,12 +73,12 @@ PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileMapFlags, 4);
  * @{
  */
 /**
- *  PPB_FileIO_Dev contains functions that are usable with PPB_FileIO resources
+ *  PPB_FileMapping contains functions that are usable with PPB_FileIO resources
  *  but aren't yet considered stable yet and thus are not supported for general
  *  NaCl or PNaCl apps yet. Features here are being tested and refined for
  *  possible future inclusion in (stable) PPB_FileIO.
  */
-struct PPB_FileIO_Dev_0_1 {
+struct PPB_FileMapping_0_1 { /* dev */
   /**
    * Map() maps the contents from an offset of the file into memory.
    *
@@ -105,7 +104,8 @@ struct PPB_FileIO_Dev_0_1 {
    *
    * @return An int32_t containing an error code from <code>pp_errors.h</code>.
    */
-  int32_t (*Map)(PP_Resource file_io,
+  int32_t (*Map)(PP_Instance instance,
+                 PP_Resource file_io,
                  int64_t length,
                  uint32_t map_protection,
                  uint32_t map_flags,
@@ -113,26 +113,24 @@ struct PPB_FileIO_Dev_0_1 {
                  void** address,
                  struct PP_CompletionCallback callback);
   /**
-   * Unmap() deletes the mapping of the specified address address to a
-   * file io.  The specified address must have been retrieved with
-   * Map().
-   * @param[in] file_io A PP_Resource corresponding to a file.
+   * Unmap() deletes the mapping of the specified address.  The specified
+   * address must have been retrieved with Map().
+   * @param[in] instance A <code>PP_Instance</code> identifying the instance.
    * @param[in] address The starting address of the address in memory to
    * be unmapped.
    * @param[in] length The length of the region to unmap.
    */
-  void (*Unmap)(PP_Resource file_io, void* address, int64_t length);
+  void (*Unmap)(PP_Instance file_io, void* address, int64_t length);
   /**
    * GetMapPageSize() returns the size of pages that Map() uses. Returns 0 on
    * failure.
+   * @param[in] instance A <code>PP_Instance</code> identifying the instance.
    */
-  int64_t (*GetMapPageSize)(PP_Resource file_io);
+  int64_t (*GetMapPageSize)(PP_Instance file_io);
 };
-
-typedef struct PPB_FileIO_Dev_0_1 PPB_FileIO_Dev;
 /**
  * @}
  */
 
-#endif  /* PPAPI_C_DEV_PPB_FILE_IO_DEV_H_ */
+#endif  /* PPAPI_C_PPB_FILE_MAPPING_H_ */