code.delx.au - pulseaudio/blob - src/mainloop-api.h

   1 #ifndef foomainloopapihfoo
   2 #define foomainloopapihfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   polypaudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU General Public License
  20   along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <time.h>
  26 #include <sys/time.h>
  27
  28 enum pa_mainloop_api_io_events {
  29     PA_MAINLOOP_API_IO_EVENT_NULL = 0,
  30     PA_MAINLOOP_API_IO_EVENT_INPUT = 1,
  31     PA_MAINLOOP_API_IO_EVENT_OUTPUT = 2,
  32     PA_MAINLOOP_API_IO_EVENT_BOTH = 3,
  33     PA_MAINLOOP_API_IO_EVENT_HUP = 4
  34 };
  35
  36 struct pa_mainloop_api {
  37     void *userdata;
  38
  39     /* IO sources */
  40     void* (*source_io)(struct pa_mainloop_api*a, int fd, enum pa_mainloop_api_io_events events, void (*callback) (struct pa_mainloop_api*a, void *id, int fd, enum pa_mainloop_api_io_events events, void *userdata), void *userdata);
  41     void  (*enable_io)(struct pa_mainloop_api*a, void* id, enum pa_mainloop_api_io_events events);
  42     void  (*cancel_io)(struct pa_mainloop_api*a, void* id);
  43
  44     /* Fixed sources */
  45     void* (*source_fixed)(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, void *id, void *userdata), void *userdata);
  46     void  (*enable_fixed)(struct pa_mainloop_api*a, void* id, int b);
  47     void  (*cancel_fixed)(struct pa_mainloop_api*a, void* id);
  48
  49     /* Idle sources */
  50     void* (*source_idle)(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, void *id, void *userdata), void *userdata);
  51     void  (*enable_idle)(struct pa_mainloop_api*a, void* id, int b);
  52     void  (*cancel_idle)(struct pa_mainloop_api*a, void* id);
  53
  54     /* Time sources */
  55     void* (*source_time)(struct pa_mainloop_api*a, const struct timeval *tv, void (*callback) (struct pa_mainloop_api*a, void *id, const struct timeval *tv, void *userdata), void *userdata);
  56     void  (*enable_time)(struct pa_mainloop_api*a, void *id, const struct timeval *tv);
  57     void  (*cancel_time)(struct pa_mainloop_api*a, void* id);
  58
  59     /* Exit mainloop */
  60     void (*quit)(struct pa_mainloop_api*a, int retval);
  61 };
  62
  63 void pa_mainloop_api_once(struct pa_mainloop_api*m, void (*callback)(void *userdata), void *userdata);
  64
  65 #endif