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35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifndef EV_H__ |
40 | #ifndef EV_H_ |
41 | #define EV_H__ |
41 | #define EV_H_ |
42 | |
42 | |
43 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
44 | extern "C" { |
44 | extern "C" { |
45 | #endif |
45 | #endif |
46 | |
46 | |
… | |
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72 | |
72 | |
73 | #ifndef EV_FORK_ENABLE |
73 | #ifndef EV_FORK_ENABLE |
74 | # define EV_FORK_ENABLE 1 |
74 | # define EV_FORK_ENABLE 1 |
75 | #endif |
75 | #endif |
76 | |
76 | |
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77 | #ifndef EV_SIGNAL_ENABLE |
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78 | # define EV_SIGNAL_ENABLE 1 |
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79 | #endif |
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80 | |
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81 | #ifndef EV_CHILD_ENABLE |
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82 | # ifdef _WIN32 |
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83 | # define EV_CHILD_ENABLE 0 |
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84 | # else |
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85 | # define EV_CHILD_ENABLE 1 |
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86 | #endif |
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87 | #endif |
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88 | |
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89 | #ifndef EV_ASYNC_ENABLE |
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90 | # define EV_ASYNC_ENABLE 1 |
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91 | #endif |
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92 | |
77 | #ifndef EV_EMBED_ENABLE |
93 | #ifndef EV_EMBED_ENABLE |
78 | # define EV_EMBED_ENABLE 1 |
94 | # define EV_EMBED_ENABLE 1 |
79 | #endif |
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80 | |
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81 | #ifndef EV_ASYNC_ENABLE |
|
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82 | # define EV_ASYNC_ENABLE 1 |
|
|
83 | #endif |
95 | #endif |
84 | |
96 | |
85 | #ifndef EV_WALK_ENABLE |
97 | #ifndef EV_WALK_ENABLE |
86 | # define EV_WALK_ENABLE 0 /* not yet */ |
98 | # define EV_WALK_ENABLE 0 /* not yet */ |
87 | #endif |
99 | #endif |
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90 | # include <signal.h> |
102 | # include <signal.h> |
91 | # define EV_ATOMIC_T sig_atomic_t volatile |
103 | # define EV_ATOMIC_T sig_atomic_t volatile |
92 | #endif |
104 | #endif |
93 | |
105 | |
94 | /*****************************************************************************/ |
106 | /*****************************************************************************/ |
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107 | |
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108 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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109 | # undef EV_SIGNAL_ENABLE |
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110 | # define EV_SIGNAL_ENABLE 1 |
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111 | #endif |
95 | |
112 | |
96 | #if EV_STAT_ENABLE |
113 | #if EV_STAT_ENABLE |
97 | # ifdef _WIN32 |
114 | # ifdef _WIN32 |
98 | # include <time.h> |
115 | # include <time.h> |
99 | # include <sys/types.h> |
116 | # include <sys/types.h> |
… | |
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161 | #ifndef EV_PROTOTYPES |
178 | #ifndef EV_PROTOTYPES |
162 | # define EV_PROTOTYPES 1 |
179 | # define EV_PROTOTYPES 1 |
163 | #endif |
180 | #endif |
164 | |
181 | |
165 | #define EV_VERSION_MAJOR 3 |
182 | #define EV_VERSION_MAJOR 3 |
166 | #define EV_VERSION_MINOR 0 |
183 | #define EV_VERSION_MINOR 9 |
167 | |
184 | |
168 | #ifndef EV_CB_DECLARE |
185 | #ifndef EV_CB_DECLARE |
169 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
186 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
170 | #endif |
187 | #endif |
171 | #ifndef EV_CB_INVOKE |
188 | #ifndef EV_CB_INVOKE |
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363 | EV_WATCHER (ev_async) |
380 | EV_WATCHER (ev_async) |
364 | |
381 | |
365 | EV_ATOMIC_T sent; /* private */ |
382 | EV_ATOMIC_T sent; /* private */ |
366 | } ev_async; |
383 | } ev_async; |
367 | |
384 | |
368 | # define ev_async_pending(w) ((w)->sent + 0) |
385 | # define ev_async_pending(w) (+(w)->sent) |
369 | #endif |
386 | #endif |
370 | |
387 | |
371 | /* the presence of this union forces similar struct layout */ |
388 | /* the presence of this union forces similar struct layout */ |
372 | union ev_any_watcher |
389 | union ev_any_watcher |
373 | { |
390 | { |
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402 | /* the default */ |
419 | /* the default */ |
403 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
420 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
404 | /* flag bits */ |
421 | /* flag bits */ |
405 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
422 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
406 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
423 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
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424 | /* debugging/feature disable */ |
|
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425 | #define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */ |
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426 | #define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */ |
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427 | #define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */ |
407 | /* method bits to be ored together */ |
428 | /* method bits to be ored together */ |
408 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
429 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
409 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
430 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
410 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
431 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
411 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
432 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
412 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
433 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
413 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
434 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
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435 | #define EVBACKEND_ALL 0x0000003FU |
414 | |
436 | |
415 | #if EV_PROTOTYPES |
437 | #if EV_PROTOTYPES |
416 | int ev_version_major (void); |
438 | int ev_version_major (void); |
417 | int ev_version_minor (void); |
439 | int ev_version_minor (void); |
418 | |
440 | |
… | |
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545 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
567 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
546 | |
568 | |
547 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
569 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
548 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
570 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
549 | |
571 | |
550 | /* |
572 | /* advanced stuff for threading etc. support, see docs */ |
551 | * a single void * can be attached to each loop. this is intended |
|
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552 | * to aid the invoke_pending/blocking callbacks. |
|
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553 | */ |
|
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554 | void ev_set_userdata (EV_P_ void *data); |
573 | void ev_set_userdata (EV_P_ void *data); |
555 | void *ev_userdata (EV_P); |
574 | void *ev_userdata (EV_P); |
556 | |
|
|
557 | /* |
|
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558 | * hooks to overide how and when libev invokes callbacks, |
|
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559 | * and hooks that wrap the actual eventloop blocking call. |
|
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560 | */ |
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561 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
575 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
562 | void ev_set_blocking_cb (EV_P_ void (*suspend_cb_)(EV_P), void (*resume_cb_)(EV_P)); |
576 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
563 | |
577 | |
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|
578 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
564 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
579 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
565 | |
580 | |
566 | /* |
581 | /* |
567 | * stop/start the timer handling. |
582 | * stop/start the timer handling. |
568 | */ |
583 | */ |
… | |
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614 | |
629 | |
615 | #if EV_MINPRI == EV_MAXPRI |
630 | #if EV_MINPRI == EV_MAXPRI |
616 | # define ev_priority(ev) ((ev), EV_MINPRI) |
631 | # define ev_priority(ev) ((ev), EV_MINPRI) |
617 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
632 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
618 | #else |
633 | #else |
619 | # define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
634 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
620 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
635 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
621 | #endif |
636 | #endif |
622 | |
637 | |
623 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
638 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
624 | |
639 | |
625 | #ifndef ev_set_cb |
640 | #ifndef ev_set_cb |
626 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
641 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
627 | #endif |
642 | #endif |
628 | |
643 | |
… | |
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632 | |
647 | |
633 | /* feeds an event into a watcher as if the event actually occured */ |
648 | /* feeds an event into a watcher as if the event actually occured */ |
634 | /* accepts any ev_watcher type */ |
649 | /* accepts any ev_watcher type */ |
635 | void ev_feed_event (EV_P_ void *w, int revents); |
650 | void ev_feed_event (EV_P_ void *w, int revents); |
636 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
651 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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|
652 | #if EV_SIGNAL_ENABLE |
637 | void ev_feed_signal_event (EV_P_ int signum); |
653 | void ev_feed_signal_event (EV_P_ int signum); |
|
|
654 | #endif |
638 | void ev_invoke (EV_P_ void *w, int revents); |
655 | void ev_invoke (EV_P_ void *w, int revents); |
639 | int ev_clear_pending (EV_P_ void *w); |
656 | int ev_clear_pending (EV_P_ void *w); |
640 | |
657 | |
641 | void ev_io_start (EV_P_ ev_io *w); |
658 | void ev_io_start (EV_P_ ev_io *w); |
642 | void ev_io_stop (EV_P_ ev_io *w); |
659 | void ev_io_stop (EV_P_ ev_io *w); |
643 | |
660 | |
644 | void ev_timer_start (EV_P_ ev_timer *w); |
661 | void ev_timer_start (EV_P_ ev_timer *w); |
645 | void ev_timer_stop (EV_P_ ev_timer *w); |
662 | void ev_timer_stop (EV_P_ ev_timer *w); |
646 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
663 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
647 | void ev_timer_again (EV_P_ ev_timer *w); |
664 | void ev_timer_again (EV_P_ ev_timer *w); |
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665 | /* return remaining time */ |
|
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666 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
648 | |
667 | |
649 | #if EV_PERIODIC_ENABLE |
668 | #if EV_PERIODIC_ENABLE |
650 | void ev_periodic_start (EV_P_ ev_periodic *w); |
669 | void ev_periodic_start (EV_P_ ev_periodic *w); |
651 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
670 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
652 | void ev_periodic_again (EV_P_ ev_periodic *w); |
671 | void ev_periodic_again (EV_P_ ev_periodic *w); |
653 | #endif |
672 | #endif |
654 | |
673 | |
655 | /* only supported in the default loop */ |
674 | /* only supported in the default loop */ |
|
|
675 | #if EV_SIGNAL_ENABLE |
656 | void ev_signal_start (EV_P_ ev_signal *w); |
676 | void ev_signal_start (EV_P_ ev_signal *w); |
657 | void ev_signal_stop (EV_P_ ev_signal *w); |
677 | void ev_signal_stop (EV_P_ ev_signal *w); |
|
|
678 | #endif |
658 | |
679 | |
659 | /* only supported in the default loop */ |
680 | /* only supported in the default loop */ |
|
|
681 | # if EV_CHILD_ENABLE |
660 | void ev_child_start (EV_P_ ev_child *w); |
682 | void ev_child_start (EV_P_ ev_child *w); |
661 | void ev_child_stop (EV_P_ ev_child *w); |
683 | void ev_child_stop (EV_P_ ev_child *w); |
|
|
684 | # endif |
662 | |
685 | |
663 | # if EV_STAT_ENABLE |
686 | # if EV_STAT_ENABLE |
664 | void ev_stat_start (EV_P_ ev_stat *w); |
687 | void ev_stat_start (EV_P_ ev_stat *w); |
665 | void ev_stat_stop (EV_P_ ev_stat *w); |
688 | void ev_stat_stop (EV_P_ ev_stat *w); |
666 | void ev_stat_stat (EV_P_ ev_stat *w); |
689 | void ev_stat_stat (EV_P_ ev_stat *w); |