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Comparing libev/ev.h (file contents):
Revision 1.20 by root, Fri Nov 2 16:54:35 2007 UTC vs.
Revision 1.26 by root, Sat Nov 3 19:41:55 2007 UTC

… …
33#ifdef __cplusplus 33#ifdef __cplusplus
34extern "C" { 34extern "C" {
35#endif 35#endif
36 36
37typedef double ev_tstamp; 37typedef double ev_tstamp;
38
39/* these priorities are inclusive, higher priorities will be called earlier */
40#ifndef EV_MINPRI
41# define EV_MINPRI -2
42#endif
43#ifndef EV_MAXPRI
44# define EV_MAXPRI +2
45#endif
38 46
39/* eventmask, revents, events... */ 47/* eventmask, revents, events... */
40#define EV_UNDEF -1 /* guaranteed to be invalid */ 48#define EV_UNDEF -1 /* guaranteed to be invalid */
41#define EV_NONE 0x00 49#define EV_NONE 0x00
42#define EV_READ 0x01 50#define EV_READ 0x01
… …
70 78
71/* shared by all watchers */ 79/* shared by all watchers */
72#define EV_WATCHER(type) \ 80#define EV_WATCHER(type) \
73 int active; /* private */ \ 81 int active; /* private */ \
74 int pending; /* private */ \ 82 int pending; /* private */ \
83 int priority; /* ro */ \
75 EV_COMMON; /* rw */ \ 84 EV_COMMON; /* rw */ \
76 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */
77 86
78#define EV_WATCHER_LIST(type) \ 87#define EV_WATCHER_LIST(type) \
79 EV_WATCHER (type); \ 88 EV_WATCHER (type); \
80 struct type *next /* private */ 89 struct ev_watcher_list *next /* private */
81 90
82#define EV_WATCHER_TIME(type) \ 91#define EV_WATCHER_TIME(type) \
83 EV_WATCHER (type); \ 92 EV_WATCHER (type); \
84 ev_tstamp at /* private */ 93 ev_tstamp at /* private */
85 94
… …
157 EV_WATCHER (ev_check); 166 EV_WATCHER (ev_check);
158}; 167};
159 168
160/* invoked when sigchld is received and waitpid indicates the givne pid */ 169/* invoked when sigchld is received and waitpid indicates the givne pid */
161/* revent EV_CHILD */ 170/* revent EV_CHILD */
171/* does not support priorities */
162struct ev_child 172struct ev_child
163{ 173{
164 EV_WATCHER_LIST (ev_child); 174 EV_WATCHER_LIST (ev_child);
165 175
166 int pid; /* ro */ 176 int pid; /* ro */
177 int rpid; /* rw, holds the received pid */
167 int status; /* rw, holds the exit status, use the macros from sys/wait.h */ 178 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
168}; 179};
169 180
170#define EVMETHOD_AUTO 0 /* consults environment */ 181#define EVMETHOD_AUTO 0 /* consults environment */
171#define EVMETHOD_SELECT 1 182#define EVMETHOD_SELECT 1
172#define EVMETHOD_POLL 2 183#define EVMETHOD_POLL 2
173#define EVMETHOD_EPOLL 4 184#define EVMETHOD_EPOLL 4
185#define EVMETHOD_KQUEUE 8
186#define EVMETHOD_DEVPOLL 16 /* NYI */
187#define EVMETHOD_PORT 32 /* NYI */
174#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 188#define EVMETHOD_ANY ~0 /* any method, do not consult env */
175#if EV_PROTOTYPES 189#if EV_PROTOTYPES
176extern int ev_method; 190extern int ev_method;
177int ev_init (int methods); /* returns ev_method */ 191int ev_init (int methods); /* returns ev_method */
178int ev_version_major (void); 192int ev_version_major (void);
179int ev_version_minor (void); 193int ev_version_minor (void);
… …
198void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 212void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
199#endif 213#endif
200 214
201/* these may evaluate ev multiple times, and the other arguments at most once */ 215/* these may evaluate ev multiple times, and the other arguments at most once */
202/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 216/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
203#define ev_watcher_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) 217#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)
204 218
205#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 219#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
206#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 220#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
207#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 221#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
208#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 222#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
… …
218#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 232#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
219#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 233#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
220#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 234#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
221#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 235#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
222 236
223#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 237#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
238#define ev_set_priority(ev,pri) (ev)->priority = pri
224 239
225/* stopping (enabling, adding) a watcher does nothing if it is already running */ 240/* stopping (enabling, adding) a watcher does nothing if it is already running */
226/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 241/* stopping (disabling, deleting) a watcher does nothing unless its already running */
227#if EV_PROTOTYPES 242#if EV_PROTOTYPES
228void ev_io_start (struct ev_io *w); 243void ev_io_start (struct ev_io *w);

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