X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afs.h;h=ba0d266ab7198896274f8dded4f215ee2131ca91;hp=f54aa87ccbc3c2ad0a3ab44b054f22a6560aaa85;hb=68cb0aef;hpb=e7593d7c153bfca2131b18621fb24ae18c1c0cb3 diff --git a/afs.h b/afs.h index f54aa87c..ba0d266a 100644 --- a/afs.h +++ b/afs.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007-2011 Andre Noll + * Copyright (C) 2007-2012 Andre Noll * * 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); }; @@ -207,6 +209,34 @@ 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); + +/** 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; +}; + +/** + * 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(buf, size, &amshd->fd); +} + __noreturn void afs_init(uint32_t cookie, int socket_fd); void afs_event(enum afs_events event, struct para_buffer *pb, void *data);