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Diffstat (limited to '1.2-netsec/include/asterisk/io.h')
-rw-r--r-- | 1.2-netsec/include/asterisk/io.h | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/1.2-netsec/include/asterisk/io.h b/1.2-netsec/include/asterisk/io.h deleted file mode 100644 index c33fb515b..000000000 --- a/1.2-netsec/include/asterisk/io.h +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2005, Digium, Inc. - * - * Mark Spencer <markster@digium.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * \brief I/O Management (derived from Cheops-NG) - */ - -#ifndef _ASTERISK_IO_H -#define _ASTERISK_IO_H - -#ifdef POLLCOMPAT -#include "asterisk/poll-compat.h" -#else -#include <sys/poll.h> /* For POLL* constants */ -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/*! Input ready */ -#define AST_IO_IN POLLIN -/*! Output ready */ -#define AST_IO_OUT POLLOUT -/*! Priority input ready */ -#define AST_IO_PRI POLLPRI - -/* Implicitly polled for */ -/*! Error condition (errno or getsockopt) */ -#define AST_IO_ERR POLLERR -/*! Hangup */ -#define AST_IO_HUP POLLHUP -/*! Invalid fd */ -#define AST_IO_NVAL POLLNVAL - -/* - * An Asterisk IO callback takes its id, a file descriptor, list of events, and - * callback data as arguments and returns 0 if it should not be - * run again, or non-zero if it should be run again. - */ - -struct io_context; - -/*! Creates a context */ -/*! - * Create a context for I/O operations - * Basically mallocs an IO structure and sets up some default values. - * Returns an allocated io_context structure - */ -extern struct io_context *io_context_create(void); - -/*! Destroys a context */ -/* - * \param ioc structure to destroy - * Destroy a context for I/O operations - * Frees all memory associated with the given io_context structure along with the structure itself - */ -extern void io_context_destroy(struct io_context *ioc); - -typedef int (*ast_io_cb)(int *id, int fd, short events, void *cbdata); -#define AST_IO_CB(a) ((ast_io_cb)(a)) - -/*! Adds an IO context */ -/*! - * \param ioc which context to use - * \param fd which fd to monitor - * \param callback callback function to run - * \param events event mask of events to wait for - * \param data data to pass to the callback - * Watch for any of revents activites on fd, calling callback with data as - * callback data. Returns a pointer to ID of the IO event, or NULL on failure. - */ -extern int *ast_io_add(struct io_context *ioc, int fd, ast_io_cb callback, short events, void *data); - -/*! Changes an IO handler */ -/*! - * \param ioc which context to use - * \param id - * \param fd the fd you wish it to contain now - * \param callback new callback function - * \param events event mask to wait for - * \param data data to pass to the callback function - * Change an i/o handler, updating fd if > -1, callback if non-null, and revents - * if >-1, and data if non-null. Returns a pointero to the ID of the IO event, - * or NULL on failure. - */ -extern int *ast_io_change(struct io_context *ioc, int *id, int fd, ast_io_cb callback, short events, void *data); - -/*! Removes an IO context */ -/*! - * \param ioc which io_context to remove it from - * \param id which ID to remove - * Remove an I/O id from consideration Returns 0 on success or -1 on failure. - */ -extern int ast_io_remove(struct io_context *ioc, int *id); - -/*! Waits for IO */ -/*! - * \param ioc which context to act upon - * \param howlong how many milliseconds to wait - * Wait for I/O to happen, returning after - * howlong milliseconds, and after processing - * any necessary I/O. Returns the number of - * I/O events which took place. - */ -extern int ast_io_wait(struct io_context *ioc, int howlong); - -/*! Dumps the IO array */ -/* - * Debugging: Dump everything in the I/O array - */ -extern void ast_io_dump(struct io_context *ioc); - -/*! Set fd into non-echoing mode (if fd is a tty) */ - -extern int ast_hide_password(int fd); - -/*! Restores TTY mode */ -/* - * Call with result from previous ast_hide_password - */ -extern int ast_restore_tty(int fd, int oldstatus); - -extern int ast_get_termcols(int fd); - -#if defined(__cplusplus) || defined(c_plusplus) -} -#endif - -#endif /* _ASTERISK_IO_H */ |