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This commit is contained in:
Marc Alexander Lehmann 2007-11-09 20:55:09 +00:00
parent 8eedae812f
commit 947bab6cea
3 changed files with 35 additions and 17 deletions
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32
README.embed
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@ -75,18 +75,6 @@ PREPROCESSOR SYMBOLS
will also not define any of the structs usually found in "event.h"
that are not directly supported by libev code alone.
EV_H
The name of the ev.h header file used to include it. The default
if undefined is <ev.h> in event.h and "ev.h" in ev.c. This can
be used to virtually rename the ev.h header file in case of
conflicts.
EV_EVENT_H
Similarly to EV_H, this macro cna be used to override event.c's idea
of how the event.h header can be found.
EV_USE_MONOTONIC
If undefined or defined to be "1", libev will try to detect the
@ -142,6 +130,18 @@ PREPROCESSOR SYMBOLS
will be detected at runtime and routed around by disabling this
backend.
EV_H
The name of the ev.h header file used to include it. The default
if undefined is <ev.h> in event.h and "ev.h" in ev.c. This can
be used to virtually rename the ev.h header file in case of
conflicts.
EV_EVENT_H
Similarly to EV_H, this macro cna be used to override event.c's idea
of how the event.h header can be found.
EV_COMMON
By default, all watchers have a "void *data" member. By redefining
@ -170,6 +170,14 @@ PREPROCESSOR SYMBOLS
event loop pointer argument. Instead, all functions act on the
single default loop.
EV_CB_DECLARE(type)
EV_CB_INVOKE(watcher,revents)
Can be used to change the callback member declaration in each
watcher, and the way callbacks are invoked. Must expand to a struct
member definition and a statement, respectively. See the ev.v
header file for their default definitions.
EXAMPLES
For a real-world example of a program the includes libev

2
ev.c
View File

@ -950,7 +950,7 @@ call_pending (EV_P)
if (p->w)
{
p->w->pending = 0;
p->w->cb (EV_A_ p->w, p->events);
EV_CB_INVOKE (p->w, p->events);
}
}
}

18
ev.h
View File

@ -87,6 +87,13 @@ struct ev_loop;
#define EV_VERSION_MAJOR 1
#define EV_VERSION_MINOR 1
#ifndef EV_CB_DECLARE
# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents)
#endif
#ifndef EV_CB_INVOKE
# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
#endif
/*
* struct member types:
* private: you can look at them, but not change them, and they might not mean anything to you.
@ -100,7 +107,7 @@ struct ev_loop;
int pending; /* private */ \
int priority; /* private */ \
EV_COMMON; /* rw */ \
void (*cb)(EV_P_ struct type *, int revents) /* private */ /* gets invoked with an eventmask */
EV_CB_DECLARE (type) /* private */
#define EV_WATCHER_LIST(type) \
EV_WATCHER (type); \
@ -111,17 +118,20 @@ struct ev_loop;
ev_tstamp at /* private */
/* base class, nothing to see here unless you subclass */
struct ev_watcher {
struct ev_watcher
{
EV_WATCHER (ev_watcher);
};
/* base class, nothing to see here unless you subclass */
struct ev_watcher_list {
struct ev_watcher_list
{
EV_WATCHER_LIST (ev_watcher_list);
};
/* base class, nothing to see here unless you subclass */
struct ev_watcher_time {
struct ev_watcher_time
{
EV_WATCHER_TIME (ev_watcher_time);
};