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1.10 |
/* |
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* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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1.43 |
#ifndef EV_H__ |
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#define EV_H__ |
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1.1 |
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1.19 |
#ifdef __cplusplus |
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extern "C" { |
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#endif |
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1.1 |
typedef double ev_tstamp; |
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1.21 |
/* these priorities are inclusive, higher priorities will be called earlier */ |
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#ifndef EV_MINPRI |
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# define EV_MINPRI -2 |
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#endif |
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#ifndef EV_MAXPRI |
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# define EV_MAXPRI +2 |
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#endif |
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1.29 |
#ifndef EV_MULTIPLICITY |
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# define EV_MULTIPLICITY 1 |
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#endif |
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1.69 |
#ifndef EV_PERIODIC_ENABLE |
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# define EV_PERIODIC_ENABLE 1 |
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#endif |
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#ifndef EV_STAT_ENABLE |
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# define EV_STAT_ENABLE 1 |
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#endif |
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1.78 |
#ifndef EV_IDLE_ENABLE |
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# define EV_IDLE_ENABLE 1 |
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#endif |
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1.72 |
#ifndef EV_FORK_ENABLE |
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# define EV_FORK_ENABLE 1 |
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#endif |
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1.69 |
#ifndef EV_EMBED_ENABLE |
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# define EV_EMBED_ENABLE 1 |
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#endif |
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/*****************************************************************************/ |
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#if EV_STAT_ENABLE |
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# include <sys/stat.h> |
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1.50 |
#endif |
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1.28 |
/* support multiple event loops? */ |
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#if EV_MULTIPLICITY |
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1.28 |
struct ev_loop; |
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# define EV_P struct ev_loop *loop |
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# define EV_P_ EV_P, |
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# define EV_A loop |
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# define EV_A_ EV_A, |
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1.72 |
# define EV_DEFAULT ev_default_loop (0) |
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# define EV_DEFAULT_ EV_DEFAULT, |
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1.28 |
#else |
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# define EV_P void |
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# define EV_P_ |
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# define EV_A |
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# define EV_A_ |
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1.72 |
# define EV_DEFAULT |
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# define EV_DEFAULT_ |
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1.69 |
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# undef EV_EMBED_ENABLE |
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1.28 |
#endif |
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1.27 |
|
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1.1 |
/* eventmask, revents, events... */ |
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1.69 |
#define EV_UNDEF -1L /* guaranteed to be invalid */ |
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#define EV_NONE 0x00L /* no events */ |
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#define EV_READ 0x01L /* ev_io detected read will not block */ |
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#define EV_WRITE 0x02L /* ev_io detected write will not block */ |
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#define EV_IOFDSET 0x80L /* internal use only */ |
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1.69 |
#define EV_TIMEOUT 0x00000100L /* timer timed out */ |
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#define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
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#define EV_SIGNAL 0x00000400L /* signal was received */ |
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1.72 |
#define EV_CHILD 0x00000800L /* child/pid had status change */ |
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#define EV_STAT 0x00001000L /* stat data changed */ |
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#define EV_IDLE 0x00002000L /* event loop is idling */ |
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#define EV_PREPARE 0x00004000L /* event loop about to poll */ |
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#define EV_CHECK 0x00008000L /* event loop finished poll */ |
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#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
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#define EV_FORK 0x00020000L /* event loop resumed in child */ |
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1.69 |
#define EV_ERROR 0x80000000L /* sent when an error occurs */ |
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1.1 |
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1.51 |
/* can be used to add custom fields to all watchers, while losing binary compatibility */ |
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1.6 |
#ifndef EV_COMMON |
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# define EV_COMMON void *data; |
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1.6 |
#endif |
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1.9 |
#ifndef EV_PROTOTYPES |
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# define EV_PROTOTYPES 1 |
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#endif |
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1.6 |
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1.87 |
#define EV_VERSION_MAJOR 2 |
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1.83 |
#define EV_VERSION_MINOR 0 |
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1.14 |
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1.44 |
#ifndef EV_CB_DECLARE |
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# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
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#endif |
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#ifndef EV_CB_INVOKE |
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# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
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#endif |
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1.6 |
/* |
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* struct member types: |
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* private: you can look at them, but not change them, and they might not mean anything to you. |
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* ro: can be read anytime, but only changed when the watcher isn't active |
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* rw: can be read and modified anytime, even when the watcher is active |
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*/ |
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1.1 |
/* shared by all watchers */ |
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#define EV_WATCHER(type) \ |
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int active; /* private */ \ |
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int pending; /* private */ \ |
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1.32 |
int priority; /* private */ \ |
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1.52 |
EV_COMMON /* rw */ \ |
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1.44 |
EV_CB_DECLARE (type) /* private */ |
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1.1 |
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#define EV_WATCHER_LIST(type) \ |
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1.52 |
EV_WATCHER (type) \ |
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struct ev_watcher_list *next; /* private */ |
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1.1 |
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1.6 |
#define EV_WATCHER_TIME(type) \ |
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1.52 |
EV_WATCHER (type) \ |
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ev_tstamp at; /* private */ |
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1.6 |
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1.7 |
/* base class, nothing to see here unless you subclass */ |
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1.66 |
typedef struct ev_watcher |
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1.44 |
{ |
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EV_WATCHER (ev_watcher) |
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} ev_watcher; |
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1.7 |
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/* base class, nothing to see here unless you subclass */ |
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typedef struct ev_watcher_list |
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1.44 |
{ |
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EV_WATCHER_LIST (ev_watcher_list) |
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} ev_watcher_list; |
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1.7 |
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/* base class, nothing to see here unless you subclass */ |
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typedef struct ev_watcher_time |
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{ |
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EV_WATCHER_TIME (ev_watcher_time) |
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} ev_watcher_time; |
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1.7 |
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1.70 |
/* invoked when fd is either EV_READable or EV_WRITEable */ |
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/* revent EV_READ, EV_WRITE */ |
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typedef struct ev_io |
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{ |
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EV_WATCHER_LIST (ev_io) |
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int fd; /* ro */ |
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int events; /* ro */ |
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} ev_io; |
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1.6 |
/* invoked after a specific time, repeatable (based on monotonic clock) */ |
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/* revent EV_TIMEOUT */ |
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typedef struct ev_timer |
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{ |
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EV_WATCHER_TIME (ev_timer) |
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ev_tstamp repeat; /* rw */ |
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} ev_timer; |
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1.6 |
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/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
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/* revent EV_PERIODIC */ |
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typedef struct ev_periodic |
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{ |
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EV_WATCHER_TIME (ev_periodic) |
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ev_tstamp offset; /* rw */ |
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1.6 |
ev_tstamp interval; /* rw */ |
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ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
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} ev_periodic; |
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|
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1.5 |
/* invoked when the given signal has been received */ |
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/* revent EV_SIGNAL */ |
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typedef struct ev_signal |
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{ |
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EV_WATCHER_LIST (ev_signal) |
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int signum; /* ro */ |
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} ev_signal; |
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1.70 |
/* invoked when sigchld is received and waitpid indicates the given pid */ |
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/* revent EV_CHILD */ |
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/* does not support priorities */ |
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typedef struct ev_child |
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{ |
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EV_WATCHER_LIST (ev_child) |
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int pid; /* ro */ |
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int rpid; /* rw, holds the received pid */ |
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int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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} ev_child; |
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#if EV_STAT_ENABLE |
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/* st_nlink = 0 means missing file or other error */ |
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1.74 |
# ifdef _WIN32 |
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1.71 |
typedef struct _stati64 ev_statdata; |
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1.74 |
# else |
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1.70 |
typedef struct stat ev_statdata; |
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1.74 |
# endif |
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1.70 |
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/* invoked each time the stat data changes for a given path */ |
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/* revent EV_STAT */ |
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typedef struct ev_stat |
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{ |
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1.74 |
EV_WATCHER_LIST (ev_stat) |
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1.70 |
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ev_timer timer; /* private */ |
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ev_tstamp interval; /* ro */ |
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const char *path; /* ro */ |
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ev_statdata prev; /* ro */ |
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ev_statdata attr; /* ro */ |
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1.74 |
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int wd; /* wd for inotify, fd for kqueue */ |
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1.70 |
} ev_stat; |
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#endif |
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1.78 |
#if EV_IDLE_ENABLE |
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1.5 |
/* invoked when the nothing else needs to be done, keeps the process from blocking */ |
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1.17 |
/* revent EV_IDLE */ |
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1.66 |
typedef struct ev_idle |
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1.5 |
{ |
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1.52 |
EV_WATCHER (ev_idle) |
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1.66 |
} ev_idle; |
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1.78 |
#endif |
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1.5 |
|
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1.11 |
/* invoked for each run of the mainloop, just before the blocking call */ |
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/* you can still change events in any way you like */ |
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1.17 |
/* revent EV_PREPARE */ |
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1.66 |
typedef struct ev_prepare |
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1.11 |
{ |
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1.52 |
EV_WATCHER (ev_prepare) |
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1.66 |
} ev_prepare; |
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1.11 |
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/* invoked for each run of the mainloop, just after the blocking call */ |
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1.17 |
/* revent EV_CHECK */ |
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1.66 |
typedef struct ev_check |
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1.5 |
{ |
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1.52 |
EV_WATCHER (ev_check) |
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1.66 |
} ev_check; |
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1.5 |
|
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1.72 |
#if EV_FORK_ENABLE |
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/* the callback gets invoked before check in the child process when a fork was detected */ |
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typedef struct ev_fork |
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{ |
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EV_WATCHER (ev_fork) |
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} ev_fork; |
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#endif |
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1.69 |
#if EV_EMBED_ENABLE |
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1.64 |
/* used to embed an event loop inside another */ |
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/* the callback gets invoked when the event loop has handled events, and can be 0 */ |
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1.66 |
typedef struct ev_embed |
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1.64 |
{ |
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EV_WATCHER (ev_embed) |
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1.86 |
struct ev_loop *other; /* ro */ |
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1.87 |
ev_io io; /* private */ |
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ev_prepare prepare; /* private */ |
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ev_check check; /* unused */ |
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ev_timer timer; /* unused */ |
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ev_periodic periodic; /* unused */ |
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ev_idle idle; /* unused */ |
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ev_fork fork; /* unused */ |
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1.66 |
} ev_embed; |
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1.64 |
#endif |
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1.41 |
/* the presence of this union forces similar struct layout */ |
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1.35 |
union ev_any_watcher |
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{ |
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struct ev_watcher w; |
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struct ev_watcher_list wl; |
304 |
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1.46 |
|
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1.35 |
struct ev_io io; |
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struct ev_timer timer; |
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struct ev_periodic periodic; |
308 |
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1.72 |
struct ev_signal signal; |
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1.70 |
struct ev_child child; |
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#if EV_STAT_ENABLE |
311 |
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struct ev_stat stat; |
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#endif |
313 |
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1.78 |
#if EV_IDLE_ENABLE |
314 |
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1.35 |
struct ev_idle idle; |
315 |
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1.78 |
#endif |
316 |
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1.35 |
struct ev_prepare prepare; |
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struct ev_check check; |
318 |
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1.72 |
#if EV_FORK_ENABLE |
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struct ev_fork fork; |
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#endif |
321 |
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1.69 |
#if EV_EMBED_ENABLE |
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1.64 |
struct ev_embed embed; |
323 |
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1.67 |
#endif |
324 |
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1.35 |
}; |
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326 |
root |
1.53 |
/* bits for ev_default_loop and ev_loop_new */ |
327 |
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/* the default */ |
328 |
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1.63 |
#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
329 |
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/* flag bits */ |
330 |
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#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
331 |
root |
1.76 |
#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
332 |
root |
1.53 |
/* method bits to be ored together */ |
333 |
root |
1.63 |
#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
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#define EVBACKEND_POLL 0x00000002UL /* !win */ |
335 |
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#define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
336 |
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#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
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#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
338 |
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#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
339 |
root |
1.29 |
|
340 |
root |
1.9 |
#if EV_PROTOTYPES |
341 |
root |
1.14 |
int ev_version_major (void); |
342 |
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int ev_version_minor (void); |
343 |
root |
1.1 |
|
344 |
root |
1.63 |
unsigned int ev_supported_backends (void); |
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unsigned int ev_recommended_backends (void); |
346 |
root |
1.64 |
unsigned int ev_embeddable_backends (void); |
347 |
root |
1.63 |
|
348 |
root |
1.1 |
ev_tstamp ev_time (void); |
349 |
root |
1.88 |
void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
350 |
root |
1.29 |
|
351 |
root |
1.36 |
/* Sets the allocation function to use, works like realloc. |
352 |
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* It is used to allocate and free memory. |
353 |
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* If it returns zero when memory needs to be allocated, the library might abort |
354 |
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* or take some potentially destructive action. |
355 |
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* The default is your system realloc function. |
356 |
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*/ |
357 |
root |
1.75 |
void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
358 |
root |
1.36 |
|
359 |
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/* set the callback function to call on a |
360 |
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* retryable syscall error |
361 |
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* (such as failed select, poll, epoll_wait) |
362 |
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*/ |
363 |
root |
1.37 |
void ev_set_syserr_cb (void (*cb)(const char *msg)); |
364 |
root |
1.36 |
|
365 |
root |
1.29 |
# if EV_MULTIPLICITY |
366 |
root |
1.30 |
/* the default loop is the only one that handles signals and child watchers */ |
367 |
|
|
/* you can call this as often as you like */ |
368 |
root |
1.58 |
static struct ev_loop * |
369 |
|
|
ev_default_loop (unsigned int flags) |
370 |
|
|
{ |
371 |
|
|
extern struct ev_loop *ev_default_loop_ptr; |
372 |
root |
1.61 |
extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
373 |
root |
1.58 |
|
374 |
|
|
if (!ev_default_loop_ptr) |
375 |
root |
1.60 |
ev_default_loop_init (flags); |
376 |
root |
1.58 |
|
377 |
|
|
return ev_default_loop_ptr; |
378 |
|
|
} |
379 |
root |
1.30 |
|
380 |
|
|
/* create and destroy alternative loops that don't handle signals */ |
381 |
root |
1.53 |
struct ev_loop *ev_loop_new (unsigned int flags); |
382 |
root |
1.30 |
void ev_loop_destroy (EV_P); |
383 |
|
|
void ev_loop_fork (EV_P); |
384 |
root |
1.47 |
|
385 |
|
|
ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
386 |
|
|
|
387 |
root |
1.29 |
# else |
388 |
root |
1.47 |
|
389 |
root |
1.54 |
int ev_default_loop (unsigned int flags); /* returns true when successful */ |
390 |
root |
1.47 |
|
391 |
|
|
static ev_tstamp |
392 |
root |
1.52 |
ev_now (void) |
393 |
root |
1.47 |
{ |
394 |
root |
1.48 |
extern ev_tstamp ev_rt_now; |
395 |
root |
1.47 |
|
396 |
|
|
return ev_rt_now; |
397 |
|
|
} |
398 |
root |
1.29 |
# endif |
399 |
|
|
|
400 |
root |
1.30 |
void ev_default_destroy (void); /* destroy the default loop */ |
401 |
|
|
/* this needs to be called after fork, to duplicate the default loop */ |
402 |
|
|
/* if you create alternative loops you have to call ev_loop_fork on them */ |
403 |
|
|
/* you can call it in either the parent or the child */ |
404 |
|
|
/* you can actually call it at any time, anywhere :) */ |
405 |
|
|
void ev_default_fork (void); |
406 |
|
|
|
407 |
root |
1.88 |
unsigned int ev_backend (EV_P); /* backend in use by loop */ |
408 |
|
|
unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
409 |
root |
1.9 |
#endif |
410 |
root |
1.1 |
|
411 |
|
|
#define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
412 |
|
|
#define EVLOOP_ONESHOT 2 /* block *once* only */ |
413 |
root |
1.65 |
#define EVUNLOOP_CANCEL 0 /* undo unloop */ |
414 |
root |
1.57 |
#define EVUNLOOP_ONE 1 /* unloop once */ |
415 |
root |
1.29 |
#define EVUNLOOP_ALL 2 /* unloop all loops */ |
416 |
|
|
|
417 |
root |
1.9 |
#if EV_PROTOTYPES |
418 |
root |
1.27 |
void ev_loop (EV_P_ int flags); |
419 |
root |
1.29 |
void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
420 |
root |
1.27 |
|
421 |
root |
1.88 |
void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
422 |
|
|
void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
423 |
|
|
|
424 |
root |
1.27 |
/* |
425 |
|
|
* ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
426 |
|
|
* keeps one reference. if you have a long-runing watcher you never unregister that |
427 |
|
|
* should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
428 |
|
|
*/ |
429 |
|
|
void ev_ref (EV_P); |
430 |
|
|
void ev_unref (EV_P); |
431 |
root |
1.1 |
|
432 |
root |
1.9 |
/* convinience function, wait for a single event, without registering an event watcher */ |
433 |
|
|
/* if timeout is < 0, do wait indefinitely */ |
434 |
root |
1.27 |
void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
435 |
root |
1.9 |
#endif |
436 |
|
|
|
437 |
root |
1.2 |
/* these may evaluate ev multiple times, and the other arguments at most once */ |
438 |
root |
1.45 |
/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
439 |
root |
1.78 |
#define ev_init(ev,cb_) do { \ |
440 |
root |
1.66 |
((ev_watcher *)(void *)(ev))->active = \ |
441 |
|
|
((ev_watcher *)(void *)(ev))->pending = \ |
442 |
|
|
((ev_watcher *)(void *)(ev))->priority = 0; \ |
443 |
root |
1.78 |
ev_set_cb ((ev), cb_); \ |
444 |
root |
1.32 |
} while (0) |
445 |
root |
1.3 |
|
446 |
root |
1.84 |
#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
447 |
root |
1.16 |
#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
448 |
root |
1.82 |
#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
449 |
root |
1.16 |
#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
450 |
root |
1.70 |
#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
451 |
root |
1.74 |
#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
452 |
root |
1.16 |
#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
453 |
|
|
#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
454 |
|
|
#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
455 |
root |
1.86 |
#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
456 |
root |
1.72 |
#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
457 |
root |
1.16 |
|
458 |
root |
1.45 |
#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
459 |
|
|
#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
460 |
|
|
#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
461 |
|
|
#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
462 |
root |
1.70 |
#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
463 |
root |
1.89 |
#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
464 |
root |
1.45 |
#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
465 |
|
|
#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
466 |
|
|
#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
467 |
root |
1.86 |
#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
468 |
root |
1.72 |
#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
469 |
root |
1.1 |
|
470 |
root |
1.66 |
#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
471 |
|
|
#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
472 |
root |
1.32 |
|
473 |
root |
1.78 |
#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
474 |
root |
1.33 |
#define ev_cb(ev) (ev)->cb /* rw */ |
475 |
root |
1.78 |
#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
476 |
root |
1.45 |
|
477 |
|
|
#ifndef ev_set_cb |
478 |
|
|
# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
479 |
|
|
#endif |
480 |
root |
1.1 |
|
481 |
root |
1.5 |
/* stopping (enabling, adding) a watcher does nothing if it is already running */ |
482 |
|
|
/* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
483 |
root |
1.9 |
#if EV_PROTOTYPES |
484 |
root |
1.41 |
|
485 |
|
|
/* feeds an event into a watcher as if the event actually occured */ |
486 |
|
|
/* accepts any ev_watcher type */ |
487 |
|
|
void ev_feed_event (EV_P_ void *w, int revents); |
488 |
root |
1.42 |
void ev_feed_fd_event (EV_P_ int fd, int revents); |
489 |
|
|
void ev_feed_signal_event (EV_P_ int signum); |
490 |
root |
1.81 |
void ev_invoke (EV_P_ void *w, int revents); |
491 |
root |
1.80 |
int ev_clear_pending (EV_P_ void *w); |
492 |
root |
1.41 |
|
493 |
root |
1.66 |
void ev_io_start (EV_P_ ev_io *w); |
494 |
|
|
void ev_io_stop (EV_P_ ev_io *w); |
495 |
root |
1.6 |
|
496 |
root |
1.66 |
void ev_timer_start (EV_P_ ev_timer *w); |
497 |
|
|
void ev_timer_stop (EV_P_ ev_timer *w); |
498 |
root |
1.30 |
/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
499 |
root |
1.66 |
void ev_timer_again (EV_P_ ev_timer *w); |
500 |
root |
1.1 |
|
501 |
root |
1.69 |
#if EV_PERIODIC_ENABLE |
502 |
root |
1.66 |
void ev_periodic_start (EV_P_ ev_periodic *w); |
503 |
|
|
void ev_periodic_stop (EV_P_ ev_periodic *w); |
504 |
|
|
void ev_periodic_again (EV_P_ ev_periodic *w); |
505 |
root |
1.50 |
#endif |
506 |
root |
1.1 |
|
507 |
root |
1.70 |
/* only supported in the default loop */ |
508 |
|
|
void ev_signal_start (EV_P_ ev_signal *w); |
509 |
|
|
void ev_signal_stop (EV_P_ ev_signal *w); |
510 |
|
|
|
511 |
|
|
/* only supported in the default loop */ |
512 |
|
|
void ev_child_start (EV_P_ ev_child *w); |
513 |
|
|
void ev_child_stop (EV_P_ ev_child *w); |
514 |
|
|
|
515 |
|
|
# if EV_STAT_ENABLE |
516 |
|
|
void ev_stat_start (EV_P_ ev_stat *w); |
517 |
|
|
void ev_stat_stop (EV_P_ ev_stat *w); |
518 |
|
|
void ev_stat_stat (EV_P_ ev_stat *w); |
519 |
|
|
# endif |
520 |
|
|
|
521 |
root |
1.78 |
# if EV_IDLE_ENABLE |
522 |
root |
1.66 |
void ev_idle_start (EV_P_ ev_idle *w); |
523 |
|
|
void ev_idle_stop (EV_P_ ev_idle *w); |
524 |
root |
1.78 |
# endif |
525 |
root |
1.5 |
|
526 |
root |
1.66 |
void ev_prepare_start (EV_P_ ev_prepare *w); |
527 |
|
|
void ev_prepare_stop (EV_P_ ev_prepare *w); |
528 |
root |
1.11 |
|
529 |
root |
1.66 |
void ev_check_start (EV_P_ ev_check *w); |
530 |
|
|
void ev_check_stop (EV_P_ ev_check *w); |
531 |
root |
1.12 |
|
532 |
root |
1.72 |
# if EV_FORK_ENABLE |
533 |
|
|
void ev_fork_start (EV_P_ ev_fork *w); |
534 |
|
|
void ev_fork_stop (EV_P_ ev_fork *w); |
535 |
|
|
# endif |
536 |
|
|
|
537 |
root |
1.69 |
# if EV_EMBED_ENABLE |
538 |
root |
1.64 |
/* only supported when loop to be embedded is in fact embeddable */ |
539 |
root |
1.66 |
void ev_embed_start (EV_P_ ev_embed *w); |
540 |
|
|
void ev_embed_stop (EV_P_ ev_embed *w); |
541 |
root |
1.68 |
void ev_embed_sweep (EV_P_ ev_embed *w); |
542 |
root |
1.64 |
# endif |
543 |
|
|
|
544 |
root |
1.9 |
#endif |
545 |
root |
1.5 |
|
546 |
root |
1.19 |
#ifdef __cplusplus |
547 |
|
|
} |
548 |
|
|
#endif |
549 |
|
|
|
550 |
root |
1.1 |
#endif |
551 |
|
|
|