class Coolio::IOWatcher
Public Class Methods
Coolio::IOWatcher.initialize(IO, events = 'r') → Coolio::IOWatcher
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Create a new Coolio::IOWatcher for the given IO object and add it to the given Coolio::Loop
static VALUE Coolio_IOWatcher_initialize(int argc, VALUE *argv, VALUE self) { VALUE io, flags; char *flags_str; int events; struct Coolio_Watcher *watcher_data; #if HAVE_RB_IO_T rb_io_t *fptr; #else OpenFile *fptr; #endif rb_scan_args(argc, argv, "11", &io, &flags); if(flags != Qnil) flags_str = RSTRING_PTR(rb_String(flags)); else flags_str = "r"; if(!strcmp(flags_str, "r")) events = EV_READ; else if(!strcmp(flags_str, "w")) events = EV_WRITE; else if(!strcmp(flags_str, "rw")) events = EV_READ | EV_WRITE; else rb_raise(rb_eArgError, "invalid event type: '%s' (must be 'r', 'w', or 'rw')", flags_str); Data_Get_Struct(self, struct Coolio_Watcher, watcher_data); GetOpenFile(rb_convert_type(io, T_FILE, "IO", "to_io"), fptr); watcher_data->dispatch_callback = Coolio_IOWatcher_dispatch_callback; ev_io_init(&watcher_data->event_types.ev_io, Coolio_IOWatcher_libev_callback, FPTR_TO_FD(fptr), events); watcher_data->event_types.ev_io.data = (void *)self; return Qnil; }
Public Instance Methods
Coolio::IOWatcher.attach(loop) → Coolio::IOWatcher
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Attach the IO watcher to the given Coolio::Loop. If the watcher is already attached to a loop, detach it from the old one and attach it to the new one.
static VALUE Coolio_IOWatcher_attach(VALUE self, VALUE loop) { Watcher_Attach(io, Coolio_IOWatcher_detach, self, loop); return self; }
Coolio::IOWatcher.detach → Coolio::IOWatcher
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Detach the IO watcher from its current Coolio::Loop.
static VALUE Coolio_IOWatcher_detach(VALUE self) { Watcher_Detach(io, self); return self; }
Coolio::IOWatcher.disable → Coolio::IOWatcher
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Temporarily disable an IO watcher which is attached to a loop.
This is useful if you wish to toggle event monitoring on and off.
static VALUE Coolio_IOWatcher_disable(VALUE self) { Watcher_Disable(io, self); return self; }
Coolio::IOWatcher.enable → Coolio::IOWatcher
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Re-enable an IO watcher which has been temporarily disabled. See the disable method for a more thorough explanation.
static VALUE Coolio_IOWatcher_enable(VALUE self) { Watcher_Enable(io, self); return self; }
Coolio::IOWatcher#on_readable → nil
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