mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
4763ca1376
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@309 fefdeb5f-60dc-0310-8127-8f9354f1896f
71 lines
2.9 KiB
C
71 lines
2.9 KiB
C
#ifndef fooiochannelhfoo
|
|
#define fooiochannelhfoo
|
|
|
|
/* $Id$ */
|
|
|
|
/***
|
|
This file is part of polypaudio.
|
|
|
|
polypaudio is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
polypaudio is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with polypaudio; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
USA.
|
|
***/
|
|
|
|
#include <sys/types.h>
|
|
#include "mainloop-api.h"
|
|
|
|
/* A wrapper around UNIX file descriptors for attaching them to the a
|
|
main event loop. Everytime new data may be read or be written to
|
|
the channel a callback function is called. It is safe to destroy
|
|
the calling iochannel object from the callback */
|
|
|
|
/* When pa_iochannel_is_readable() returns non-zero, the user has to
|
|
* call this function in a loop until it is no longer set or EOF
|
|
* reached. Otherwise strange things may happen when an EOF is
|
|
* reached. */
|
|
|
|
struct pa_iochannel;
|
|
|
|
/* Create a new IO channel for the specified file descriptors for
|
|
input resp. output. It is safe to pass the same file descriptor for
|
|
both parameters (in case of full-duplex channels). For a simplex
|
|
channel specify -1 for the other direction. */
|
|
|
|
struct pa_iochannel* pa_iochannel_new(struct pa_mainloop_api*m, int ifd, int ofd);
|
|
void pa_iochannel_free(struct pa_iochannel*io);
|
|
|
|
ssize_t pa_iochannel_write(struct pa_iochannel*io, const void*data, size_t l);
|
|
ssize_t pa_iochannel_read(struct pa_iochannel*io, void*data, size_t l);
|
|
|
|
int pa_iochannel_is_readable(struct pa_iochannel*io);
|
|
int pa_iochannel_is_writable(struct pa_iochannel*io);
|
|
int pa_iochannel_is_hungup(struct pa_iochannel*io);
|
|
|
|
/* Don't close the file descirptors when the io channel is freed. By
|
|
* default the file descriptors are closed. */
|
|
void pa_iochannel_set_noclose(struct pa_iochannel*io, int b);
|
|
|
|
/* Set the callback function that is called whenever data becomes available for read or write */
|
|
void pa_iochannel_set_callback(struct pa_iochannel*io, void (*callback)(struct pa_iochannel*io, void *userdata), void *userdata);
|
|
|
|
/* In case the file descriptor is a socket, return a pretty-printed string in *s which describes the peer connected */
|
|
void pa_iochannel_socket_peer_to_string(struct pa_iochannel*io, char*s, size_t l);
|
|
|
|
/* Use setsockopt() to tune the recieve and send buffers of TCP sockets */
|
|
int pa_iochannel_socket_set_rcvbuf(struct pa_iochannel*io, size_t l);
|
|
int pa_iochannel_socket_set_sndbuf(struct pa_iochannel*io, size_t l);
|
|
|
|
struct pa_mainloop_api* pa_iochannel_get_mainloop_api(struct pa_iochannel *io);
|
|
|
|
#endif
|