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

   1 #ifndef foomainloopapihfoo
   2 #define foomainloopapihfoo
   3
   4 #include <time.h>
   5 #include <sys/time.h>
   6
   7 enum pa_mainloop_api_io_events {
   8     PA_MAINLOOP_API_IO_EVENT_NULL = 0,
   9     PA_MAINLOOP_API_IO_EVENT_INPUT = 1,
  10     PA_MAINLOOP_API_IO_EVENT_OUTPUT = 2,
  11     PA_MAINLOOP_API_IO_EVENT_BOTH = 3
  12 };
  13
  14 struct pa_mainloop_api {
  15     void *userdata;
  16
  17     /* IO sources */
  18     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);
  19     void  (*enable_io)(struct pa_mainloop_api*a, void* id, enum pa_mainloop_api_io_events events);
  20     void  (*cancel_io)(struct pa_mainloop_api*a, void* id);
  21
  22     /* Fixed sources */
  23     void* (*source_fixed)(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, void *id, void *userdata), void *userdata);
  24     void  (*enable_fixed)(struct pa_mainloop_api*a, void* id, int b);
  25     void  (*cancel_fixed)(struct pa_mainloop_api*a, void* id);
  26
  27     /* Idle sources */
  28     void* (*source_idle)(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, void *id, void *userdata), void *userdata);
  29     void  (*enable_idle)(struct pa_mainloop_api*a, void* id, int b);
  30     void  (*cancel_idle)(struct pa_mainloop_api*a, void* id);
  31
  32     /* Time sources */
  33     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);
  34     void  (*enable_time)(struct pa_mainloop_api*a, void *id, const struct timeval *tv);
  35     void  (*cancel_time)(struct pa_mainloop_api*a, void* id);
  36
  37     /* Exit mainloop */
  38     void (*quit)(struct pa_mainloop_api*a, int retval);
  39 };
  40
  41 void pa_mainloop_api_once(struct pa_mainloop_api*m, void (*callback)(void *userdata), void *userdata);
  42
  43 #endif