build: Define Make variables for cppflags.

[paraslash.git] / afs.h

diff --git a/afs.h b/afs.h
index f54aa87ccbc3c2ad0a3ab44b054f22a6560aaa85..a63968f16a22c30c30cee724d929059cce549c20 100644 (file)
--- a/afs.h
+++ b/afs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2013 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -181,6 +181,8 @@ struct pattern_match_data {
        struct osl_object patterns;
        /** Data pointer passed to the action function. */
        void *data;
+       /** Gets increased by one for each match. */
+       unsigned num_matches;
        /** For each matching row, this function will be called. */
        int (*action)(struct osl_table *table, struct osl_row *row, const char *name, void *data);
 };
@@ -203,9 +205,38 @@ typedef void callback_function(int fd, const struct osl_object *);
  *
  * \sa \ref send_callback_request().
  */
-typedef int callback_result_handler(struct osl_object *result, void *private);
-int sc_send_result(struct osl_object *result, void *private);
-int pass_buffer_as_shm(char *buf, size_t size, void *fd_ptr);
+typedef int callback_result_handler(struct osl_object *result, uint8_t band, void *private);
+int afs_cb_result_handler(struct osl_object *result, uint8_t band, void *private);
+int pass_buffer_as_shm(int fd, uint8_t band, const char *buf, size_t size);
+
+/** Structure passed to the AFS max_size handler. */
+struct afs_max_size_handler_data {
+       /** Local socket connecting the command handler and the AFS process. */
+       int fd;
+       /** The sideband designator for this data packet. */
+       uint8_t band;
+};
+
+/**
+ * Standard max_size handler for AFS commands.
+ *
+ * \param buf Contains (part of) the AFS command output.
+ * \param size The number of bytes in \a buf.
+ * \param private Pointer to a \ref afs_max_size_handler_data structure.
+ *
+ * Whenever the output of an AFS command exceeds the maximal size of a shared
+ * memory area, the max size handler of the para_buffer which holds the command
+ * output is called with \a private being a pointer to a structure of type
+ * afs_max_size_handler_data.
+ *
+ * \return The return value of the underlying call to \ref
+ *  pass_buffer_as_shm().
+ */
+_static_inline_ int afs_max_size_handler(char *buf, size_t size, void *private)
+{
+       struct afs_max_size_handler_data *amshd = private;
+       return pass_buffer_as_shm(amshd->fd, amshd->band, buf, size);
+}
 
 __noreturn void afs_init(uint32_t cookie, int socket_fd);
 void afs_event(enum afs_events event, struct para_buffer *pb,