syn

[oweals/gnunet.git] / src / include / gnunet_disk_lib.h

diff --git a/src/include/gnunet_disk_lib.h b/src/include/gnunet_disk_lib.h
index 49f2ece488796f1dc295102c40de01d769c86b8c..f4fd6f36b6f1cf71df4021372aee5b27bda63e01 100644 (file)
--- a/src/include/gnunet_disk_lib.h
+++ b/src/include/gnunet_disk_lib.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2001, 2002, 2003, 2004, 2005, 2006 Christian Grothoff (and other contributing authors)
+     (C) 2001, 2002, 2003, 2004, 2005, 2006, 2009 Christian Grothoff (and other contributing authors)
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -72,10 +72,17 @@ extern "C"
 #define GNUNET_DISK_PERM_OTHER_WRITE    128
 #define GNUNET_DISK_PERM_OTHER_EXEC     256
 
-enum GNUNET_DISK_Seek {GNUNET_SEEK_SET, GNUNET_SEEK_CUR, GNUNET_SEEK_END};
+enum GNUNET_DISK_Seek 
+  {
+    GNUNET_DISK_SEEK_SET, 
+    GNUNET_DISK_SEEK_CUR, 
+    GNUNET_DISK_SEEK_END
+  };
 
 struct GNUNET_DISK_FileHandle;
 
+struct GNUNET_DISK_PipeHandle;
+
 /**
  * Get the number of blocks that are left on the partition that
  * contains the given file (for normal users).
@@ -150,6 +157,19 @@ GNUNET_DISK_mktemp (const char *template);
  */
 struct GNUNET_DISK_FileHandle *GNUNET_DISK_file_open (const char *fn, int flags, ...);
 
+/**
+ * Creates an interprocess channel
+ * @param blocking creates an asynchronous pipe if set to GNUNET_NO
+ * @return handle to the new pipe, NULL on error
+ */
+struct GNUNET_DISK_PipeHandle *GNUNET_DISK_pipe (int blocking);
+
+/**
+ * Closes an interprocess channel
+ * @param p pipe
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ */
+int GNUNET_DISK_pipe_close (struct GNUNET_DISK_PipeHandle *p);
 
 /**
  * Close an open file.
@@ -159,6 +179,14 @@ struct GNUNET_DISK_FileHandle *GNUNET_DISK_file_open (const char *fn, int flags,
  */
 int GNUNET_DISK_file_close (struct GNUNET_DISK_FileHandle *h);
 
+/**
+ * Get the handle to a particular pipe end
+ * @param p pipe
+ * @param n number of the end
+ */
+const struct GNUNET_DISK_FileHandle *GNUNET_DISK_pipe_handle (const struct
+                                                              GNUNET_DISK_PipeHandle
+                                                              *p, int n);
 
 /**
  * Read the contents of a binary file into a buffer.
@@ -227,7 +255,8 @@ int GNUNET_DISK_file_copy (const char *src, const char *dst);
  * @return the number of files found, -1 on error
  */
 int GNUNET_DISK_directory_scan (const char *dirName,
-                                GNUNET_FileNameCallback callback, void *data);
+                                GNUNET_FileNameCallback callback, 
+                               void *data);
 
 
 /**