| 1 | /* |
1 | /* |
| 2 | * libev native API header |
2 | * libev native API header |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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 | * |
| … | |
… | |
| 131 | /* eventmask, revents, events... */ |
131 | /* eventmask, revents, events... */ |
| 132 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
132 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
| 133 | #define EV_NONE 0x00 /* no events */ |
133 | #define EV_NONE 0x00 /* no events */ |
| 134 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
134 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
| 135 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
135 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
| 136 | #define EV_IOFDSET 0x80 /* internal use only */ |
136 | #define EV__IOFDSET 0x80 /* internal use only */ |
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137 | #define EV_IO EV_READ /* alias for type-detection */ |
| 137 | #define EV_TIMEOUT 0x00000100 /* timer timed out */ |
138 | #define EV_TIMEOUT 0x00000100 /* timer timed out */ |
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139 | #define EV_TIMER EV_TIMEOUT /* alias for type-detection */ |
| 138 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
140 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
| 139 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
141 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
| 140 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
142 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
| 141 | #define EV_STAT 0x00001000 /* stat data changed */ |
143 | #define EV_STAT 0x00001000 /* stat data changed */ |
| 142 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
144 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
| … | |
… | |
| 489 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
491 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
| 490 | /* you can call it in either the parent or the child */ |
492 | /* you can call it in either the parent or the child */ |
| 491 | /* you can actually call it at any time, anywhere :) */ |
493 | /* you can actually call it at any time, anywhere :) */ |
| 492 | void ev_default_fork (void); |
494 | void ev_default_fork (void); |
| 493 | |
495 | |
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496 | #if 0 |
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497 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
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498 | /* callback on every such watcher. The callback might stop the watcher, */ |
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499 | /* but do nothing else with the loop */ |
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500 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
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501 | #endif |
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502 | |
| 494 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
503 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
| 495 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
504 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
| 496 | #endif /* prototypes */ |
505 | #endif /* prototypes */ |
| 497 | |
506 | |
| 498 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
507 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
| … | |
… | |
| 528 | ((ev_watcher *)(void *)(ev))->pending = \ |
537 | ((ev_watcher *)(void *)(ev))->pending = \ |
| 529 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
538 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
| 530 | ev_set_cb ((ev), cb_); \ |
539 | ev_set_cb ((ev), cb_); \ |
| 531 | } while (0) |
540 | } while (0) |
| 532 | |
541 | |
| 533 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
542 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
| 534 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
543 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
| 535 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
544 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
| 536 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
545 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
| 537 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
546 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
| 538 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
547 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
| 539 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
548 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
| 540 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
549 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
| 541 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
550 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
| 542 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
551 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
| 543 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
552 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
| 544 | #define ev_async_set(ev) do { (ev)->sent = 0; } while (0) |
553 | #define ev_async_set(ev) do { (ev)->sent = 0; } while (0) |
| 545 | |
554 | |
| 546 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
555 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
| 547 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
556 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
| 548 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
557 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
| 549 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
558 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
| 550 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
559 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
| 551 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
560 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
| 552 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
561 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
| 553 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
562 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
| 554 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
563 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
| 555 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
564 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
| 556 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
565 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
| 557 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
566 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
| 558 | |
567 | |
| 559 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
568 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
| 560 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
569 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
| 561 | |
570 | |
| 562 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
571 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
| 563 | #define ev_cb(ev) (ev)->cb /* rw */ |
572 | #define ev_cb(ev) (ev)->cb /* rw */ |
| 564 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
573 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
| 565 | |
574 | |
| 566 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
575 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
| 567 | |
576 | |
| 568 | #ifndef ev_set_cb |
577 | #ifndef ev_set_cb |
| 569 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
578 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
| 570 | #endif |
579 | #endif |
| 571 | |
580 | |
| 572 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
581 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
| 573 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
582 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
| 574 | #if EV_PROTOTYPES |
583 | #if EV_PROTOTYPES |
