some lengthy calculation and wish to pass even further event dealing with to a different thread (you continue to have to ensure only one thread executes within just
suitable with libev. Interaction involving "sigprocmask" and "pthread_sigmask" could complicate things, nevertheless. Essentially the most transportable way to take care of alerts is to dam signals in all threads except the Preliminary a single, and run the default loop from the Original thread as
improvements, implement your individual watchers, combine Web-snmp or maybe a coroutine library and much a lot more. Also they are occasionally valuable for those who cache some data and
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This section describes some widespread idioms that aren't promptly noticeable. Note that illustrations are sprinkled over the whole guide, and this segment only
Just make sure to unref after start off and ref ahead of stop (but provided that the watcher wasn't Lively in advance of, or was active prior to, respectively. Take note
well. "long" needs to be substantial plenty of for common memory allocation dimensions To further improve portability and simplify its API , libev works by using "extended" internally rather than "size_t" when allocating its information
"realloc" and "free of charge" features by default. You may override this perform in higher-availability applications to, say, free of charge some memory if it can't allocate memory, to make use of a Unique allocator, è²å¾‹è³“éŠå¸ or maybe
"ev_TYPE_stop" makes certain that the watcher is neither Energetic nor pending. If you want to free of charge or reuse the memory used by the watcher it is thus a
isn't. Disabling watcher more info sorts predominantly will save code size. EV_FEATURES If you should shave off some kilobytes of code hereread more for the expense of some speed (but Together here with the whole API ), you can define this symbol to ask for
This technique is somewhat much more elaborate, but in most cases where by enough time-out is unlikely to become brought on, a great deal more successful. Shifting the timeout is trivial too (if it isn't tricky-coded while in the callback :) - just change the timeout and invoke the callback, which will take care of things
Evolution-Details Optimized, a telecommunications common for the wi-fi transmission of knowledge by way of radio alerts
debugging and screening, this flag can be valuable to preserve inotify file descriptors, as in any other case Each individual loop making use of "ev_stat" watchers consumes one
This portion describes Just about every watcher intimately, but is not going to repeat info offered in the final area. Any initialisation/established macros, features and