ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.h
(Generate patch)

Comparing libev/ev.h (file contents):
Revision 1.10 by root, Wed Oct 31 14:44:15 2007 UTC vs.
Revision 1.14 by root, Wed Oct 31 20:46:44 2007 UTC

32 32
33typedef double ev_tstamp; 33typedef double ev_tstamp;
34 34
35/* eventmask, revents, events... */ 35/* eventmask, revents, events... */
36#define EV_UNDEF -1 /* guaranteed to be invalid */ 36#define EV_UNDEF -1 /* guaranteed to be invalid */
37#define EV_NONE 0x00 37#define EV_NONE 0x000000
38#define EV_READ 0x01 38#define EV_READ 0x000001
39#define EV_WRITE 0x02 39#define EV_WRITE 0x000002
40#define EV_TIMEOUT 0x04 40#define EV_TIMEOUT 0x000004
41#define EV_SIGNAL 0x08 41#define EV_SIGNAL 0x000008
42#define EV_IDLE 0x10 42#define EV_IDLE 0x000010
43#define EV_CHECK 0x20 43#define EV_CHECK 0x000020
44#define EV_PREPARE 0x000040
45#define EV_CHILD 0x000080
44#define EV_ERROR (0x3f|0x80) 46#define EV_ERROR 0x800000
45 47
46/* can be used to add custom fields to all watchers */ 48/* can be used to add custom fields to all watchers */
47#ifndef EV_COMMON 49#ifndef EV_COMMON
48# define EV_COMMON void *data 50# define EV_COMMON void *data
49#endif 51#endif
50#ifndef EV_PROTOTYPES 52#ifndef EV_PROTOTYPES
51# define EV_PROTOTYPES 1 53# define EV_PROTOTYPES 1
52#endif 54#endif
55
56#define EV_VERSION_MAJOR 1
57#define EV_VERSION_MINOR 1
53 58
54/* 59/*
55 * struct member types: 60 * struct member types:
56 * private: you can look at them, but not change them, and they might not mean anything to you. 61 * private: you can look at them, but not change them, and they might not mean anything to you.
57 * ro: can be read anytime, but only changed when the watcher isn't active 62 * ro: can be read anytime, but only changed when the watcher isn't active
125struct ev_idle 130struct ev_idle
126{ 131{
127 EV_WATCHER (ev_idle); 132 EV_WATCHER (ev_idle);
128}; 133};
129 134
130/* invoked for each run of the mainloop, just before the next blocking vall is initiated */ 135/* invoked for each run of the mainloop, just before the blocking call */
136/* you can still change events in any way you like */
137struct ev_prepare
138{
139 EV_WATCHER (ev_prepare);
140};
141
142/* invoked for each run of the mainloop, just after the blocking call */
131struct ev_check 143struct ev_check
132{ 144{
133 EV_WATCHER (ev_check); 145 EV_WATCHER (ev_check);
146};
147
148/* invoked when sigchld is received and waitpid indicates the givne pid */
149struct ev_child
150{
151 EV_WATCHER_LIST (ev_child);
152
153 int pid; /* ro */
154 int status; /* rw, holds the exit status, use the macros from sys/wait.h */
134}; 155};
135 156
136#define EVMETHOD_NONE 0 157#define EVMETHOD_NONE 0
137#define EVMETHOD_SELECT 1 158#define EVMETHOD_SELECT 1
138#define EVMETHOD_EPOLL 2 159#define EVMETHOD_EPOLL 2
139#if EV_PROTOTYPES 160#if EV_PROTOTYPES
140extern int ev_method; 161extern int ev_method;
141int ev_init (int flags); /* returns ev_method */ 162int ev_init (int flags); /* returns ev_method */
163int ev_version_major (void);
164int ev_version_minor (void);
142 165
143/* these three calls are suitable for plugging into pthread_atfork */ 166/* these three calls are suitable for plugging into pthread_atfork */
144void ev_prefork (void); 167void ev_prefork (void);
145void ev_postfork_parent (void); 168void ev_postfork_parent (void);
146void ev_postfork_child (void); 169void ev_postfork_child (void);
166 189
167#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 190#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
168#define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 191#define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
169#define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 192#define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
170#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 193#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
194#define evidle_set(ev) /* nop, yes, this is a serious in-joke */
195#define evprepare_set(ev) /* nop, yes, this is a serious in-joke */
171#define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ 196#define evcheck_set(ev) /* nop, yes, this is a serious in-joke */
172#define evidle_set(ev) /* nop, yes, this is a serious in-joke */ 197#define evchild_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
173 198
174#define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) 199#define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0)
175#define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) 200#define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0)
176#define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) 201#define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0)
177#define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) 202#define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0)
203#define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0)
204#define evprepare_init(ev,cb) do { evw_init ((ev), (cb)); evprepare_set ((ev)); } while (0)
178#define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) 205#define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0)
179#define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) 206#define evchild_init(ev,cb,pid) do { evw_init ((ev), (cb)); evchild_set ((ev),(pid)); } while (0)
180 207
181#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 208#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
182 209
183/* stopping (enabling, adding) a watcher does nothing if it is already running */ 210/* stopping (enabling, adding) a watcher does nothing if it is already running */
184/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 211/* stopping (disabling, deleting) a watcher does nothing unless its already running */
197void evsignal_stop (struct ev_signal *w); 224void evsignal_stop (struct ev_signal *w);
198 225
199void evidle_start (struct ev_idle *w); 226void evidle_start (struct ev_idle *w);
200void evidle_stop (struct ev_idle *w); 227void evidle_stop (struct ev_idle *w);
201 228
229void evprepare_start (struct ev_prepare *w);
230void evprepare_stop (struct ev_prepare *w);
231
202void evcheck_start (struct ev_check *w); 232void evcheck_start (struct ev_check *w);
203void evcheck_stop (struct ev_check *w); 233void evcheck_stop (struct ev_check *w);
204#endif
205 234
235void evchild_start (struct ev_child *w);
236void evchild_stop (struct ev_child *w);
206#endif 237#endif
207 238
239#endif
240

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines