Viewing file:  watcher.h (2.29 KB) -rw-r--r--
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/*
* Copyright (C) 2007-10 Tony Arcieri
* You may redistribute this under the terms of the Ruby license.
* See LICENSE for details
*/
#ifndef WATCHER_H
#define WATCHER_H
#define Watcher_Attach(watcher_type, detach_func, watcher, loop) \
struct Coolio_Watcher *watcher_data; \
struct Coolio_Loop *loop_data; \
\
if(!rb_obj_is_kind_of(loop, cCoolio_Loop)) \
rb_raise(rb_eArgError, "expected loop to be an instance of Coolio::Loop, not %s", RSTRING_PTR(rb_inspect(loop))); \
\
Data_Get_Struct(watcher, struct Coolio_Watcher, watcher_data); \
Data_Get_Struct(loop, struct Coolio_Loop, loop_data); \
\
if(watcher_data->loop != Qnil) \
detach_func(watcher); \
\
watcher_data->loop = loop; \
ev_##watcher_type##_start(loop_data->ev_loop, &watcher_data->event_types.ev_##watcher_type); \
rb_call_super(1, &loop)
#define Watcher_Detach(watcher_type, watcher) \
struct Coolio_Watcher *watcher_data; \
struct Coolio_Loop *loop_data; \
\
Data_Get_Struct(watcher, struct Coolio_Watcher, watcher_data); \
\
if(watcher_data->loop == Qnil) \
rb_raise(rb_eRuntimeError, "not attached to a loop"); \
\
Data_Get_Struct(watcher_data->loop, struct Coolio_Loop, loop_data); \
\
ev_##watcher_type##_stop(loop_data->ev_loop, &watcher_data->event_types.ev_##watcher_type); \
rb_call_super(0, 0)
#define Watcher_Enable(watcher_type, watcher) \
struct Coolio_Watcher *watcher_data; \
struct Coolio_Loop *loop_data; \
\
Data_Get_Struct(watcher, struct Coolio_Watcher, watcher_data); \
\
if(watcher_data->loop == Qnil) \
rb_raise(rb_eRuntimeError, "not attached to a loop"); \
\
rb_call_super(0, 0); \
\
Data_Get_Struct(watcher_data->loop, struct Coolio_Loop, loop_data); \
\
ev_##watcher_type##_start(loop_data->ev_loop, &watcher_data->event_types.ev_##watcher_type)
#define Watcher_Disable(watcher_type, watcher) \
struct Coolio_Watcher *watcher_data; \
struct Coolio_Loop *loop_data; \
\
Data_Get_Struct(watcher, struct Coolio_Watcher, watcher_data); \
\
if(watcher_data->loop == Qnil) \
rb_raise(rb_eRuntimeError, "not attached to a loop"); \
\
rb_call_super(0, 0); \
\
Data_Get_Struct(watcher_data->loop, struct Coolio_Loop, loop_data); \
\
ev_##watcher_type##_stop(loop_data->ev_loop, &watcher_data->event_types.ev_##watcher_type)
#endif
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