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@ -82,6 +82,7 @@ struct ev_loop; |
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#define EV_CHECK 0x001000L /* check only */ |
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#define EV_PREPARE 0x002000L /* prepare only */ |
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#define EV_CHILD 0x004000L /* child/pid only */ |
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#define EV_EMBED 0x008000L /* embedded event loop */ |
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#define EV_ERROR 0x800000L /* sent when an error occurs */ |
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/* can be used to add custom fields to all watchers, while losing binary compatibility */ |
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@ -215,6 +216,18 @@ struct ev_child |
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int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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}; |
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#if EV_MULTIPLICITY |
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/* 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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struct ev_embed |
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{ |
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EV_WATCHER (ev_embed) |
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struct ev_io io; /* private */ |
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struct ev_loop *loop; /* ro */ |
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}; |
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#endif |
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/* the presence of this union forces similar struct layout */ |
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union ev_any_watcher |
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{ |
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@ -229,6 +242,7 @@ union ev_any_watcher |
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struct ev_check check; |
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struct ev_signal signal; |
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struct ev_child child; |
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struct ev_embed embed; |
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}; |
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/* bits for ev_default_loop and ev_loop_new */ |
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@ -250,6 +264,7 @@ int ev_version_minor (void); |
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unsigned int ev_supported_backends (void); |
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unsigned int ev_recommended_backends (void); |
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unsigned int ev_embeddable_backends (void); |
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ev_tstamp ev_time (void); |
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@ -351,6 +366,7 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent |
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#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
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#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
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#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
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#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
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#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
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#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
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@ -360,6 +376,7 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent |
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#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
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#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
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#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
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#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
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#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
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@ -412,6 +429,13 @@ void ev_signal_stop (EV_P_ struct ev_signal *w); |
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/* only supported in the default loop */ |
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void ev_child_start (EV_P_ struct ev_child *w); |
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void ev_child_stop (EV_P_ struct ev_child *w); |
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# if EV_MULTIPLICITY |
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/* only supported when loop to be embedded is in fact embeddable */ |
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void ev_embed_start (EV_P_ struct ev_embed *w); |
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void ev_embed_stop (EV_P_ struct ev_embed *w); |
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# endif |
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#endif |
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#ifdef __cplusplus |
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Marc Alexander Lehmann
14 years ago