1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
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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 | # define EV_CPP(x) x |
44 | # define EV_CPP(x) x |
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45 | # if __cplusplus >= 201103L |
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46 | # define EV_THROW noexcept |
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47 | # else |
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48 | # define EV_THROW throw () |
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49 | # endif |
45 | #else |
50 | #else |
46 | # define EV_CPP(x) |
51 | # define EV_CPP(x) |
47 | #endif |
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48 | |
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49 | #define EV_THROW EV_CPP(throw()) |
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50 | |
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51 | /* apple's proprietary clang fork errors out with exception specifications */ |
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52 | /* in all sorts of places, so let's not even bother with them */ |
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53 | /* users are strongly advised to install clang or gcc */ |
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54 | #if __APPLE__ && __clang__ |
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55 | # undef EV_THROW |
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56 | # define EV_THROW |
52 | # define EV_THROW |
57 | #endif |
53 | #endif |
58 | |
54 | |
59 | EV_CPP(extern "C" {) |
55 | EV_CPP(extern "C" {) |
60 | |
56 | |
… | |
… | |
153 | #endif |
149 | #endif |
154 | |
150 | |
155 | /*****************************************************************************/ |
151 | /*****************************************************************************/ |
156 | |
152 | |
157 | typedef double ev_tstamp; |
153 | typedef double ev_tstamp; |
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154 | |
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155 | #include <string.h> /* for memmove */ |
158 | |
156 | |
159 | #ifndef EV_ATOMIC_T |
157 | #ifndef EV_ATOMIC_T |
160 | # include <signal.h> |
158 | # include <signal.h> |
161 | # define EV_ATOMIC_T sig_atomic_t volatile |
159 | # define EV_ATOMIC_T sig_atomic_t volatile |
162 | #endif |
160 | #endif |
… | |
… | |
211 | #endif |
209 | #endif |
212 | |
210 | |
213 | /*****************************************************************************/ |
211 | /*****************************************************************************/ |
214 | |
212 | |
215 | #define EV_VERSION_MAJOR 4 |
213 | #define EV_VERSION_MAJOR 4 |
216 | #define EV_VERSION_MINOR 18 |
214 | #define EV_VERSION_MINOR 23 |
217 | |
215 | |
218 | /* eventmask, revents, events... */ |
216 | /* eventmask, revents, events... */ |
219 | enum { |
217 | enum { |
220 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
218 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
221 | EV_NONE = 0x00, /* no events */ |
219 | EV_NONE = 0x00, /* no events */ |
… | |
… | |
515 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
513 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
516 | }; |
514 | }; |
517 | |
515 | |
518 | /* method bits to be ored together */ |
516 | /* method bits to be ored together */ |
519 | enum { |
517 | enum { |
520 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
518 | EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ |
521 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
519 | EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ |
522 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
520 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
523 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
521 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ |
524 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
522 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
525 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
523 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
526 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
524 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
527 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
525 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
528 | }; |
526 | }; |
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666 | /* advanced stuff for threading etc. support, see docs */ |
664 | /* advanced stuff for threading etc. support, see docs */ |
667 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
665 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
668 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
666 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
669 | typedef void (*ev_loop_callback)(EV_P); |
667 | typedef void (*ev_loop_callback)(EV_P); |
670 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
668 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
671 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ ev_loop_callback EV_THROW release, ev_loop_callback EV_THROW acquire) EV_THROW; |
669 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
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670 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW; |
672 | |
671 | |
673 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
672 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
674 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
673 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
675 | |
674 | |
676 | /* |
675 | /* |
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720 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
719 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
721 | |
720 | |
722 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
721 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
723 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
722 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
724 | |
723 | |
725 | #define ev_cb(ev) (ev)->cb /* rw */ |
724 | #define ev_cb_(ev) (ev)->cb /* rw */ |
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725 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
726 | |
726 | |
727 | #if EV_MINPRI == EV_MAXPRI |
727 | #if EV_MINPRI == EV_MAXPRI |
728 | # define ev_priority(ev) ((ev), EV_MINPRI) |
728 | # define ev_priority(ev) ((ev), EV_MINPRI) |
729 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
729 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
730 | #else |
730 | #else |
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733 | #endif |
733 | #endif |
734 | |
734 | |
735 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
735 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
736 | |
736 | |
737 | #ifndef ev_set_cb |
737 | #ifndef ev_set_cb |
738 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
738 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
739 | #endif |
739 | #endif |
740 | |
740 | |
741 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
741 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
742 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
742 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
743 | #if EV_PROTOTYPES |
743 | #if EV_PROTOTYPES |