153 lines
63 KiB
Plaintext
153 lines
63 KiB
Plaintext
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rust
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üú #rustc 1.96.0 (ac68faa20 2026-05-25)ÁÀ뉊 ]!ÜÛê(¹Þ—šên -5be7b69c3ff7b5b8Á íàÄTËŸ ÜJîÄ)'ß\¥! -3d1337db07d0b3aeÁ ¤²XctÔ'ÐÓ©z¨É½Ó -a4945860e1c53b00Á ¤°ð ¾ä-±($²ï=©Ã -7e98a21bfd32b0edÁ–�òÖÀH•‘P IÓHã#£ -055f30b747f859b6Á rustc_std_workspace_coreÁCçß^ò½èÝ$Çÿ+Cé -c4878ee60b2242c9Á ŸÃï+Ñ]ŠqB<ÏïW# -8dd1dd90e70d0b6aÁ miniz_oxideÁ€š»J(P>àö÷g\K -1eb618da2918ab7fÁ adler2ÁÆ;+Þ®5¥ÌýÝ°¦ÛLˆ -f7919172d268e069Á hashbrownÁPäV9ÒÆèÜ�"ÊÖVŽ\ -0fc2184a5da6723aÁ rustc_std_workspace_allocÁs&ØòØy¯s•bæ!‰ýŠ -97e4bf30be240674Á
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std_detectÁhŠBîÙºÌI®Ë�Å�š -9dbbf8346ba7ac8bÁ rustc_demangleÁûë9´Ç×@Œ�’ùXFº -f33013f239bf9f14Á cfg_ifÁÜLh�ž§Œaã¯>� -0a71c8f33a838301Á addr2lineÁ׎Þ!]8V$É@@T· -e618e6be60e87ba2Á gimliÁ¸
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‚ $ÿ c_intÁ,ž â <‰ sighandler_tÁd¥ â ! SIGFPEÁ4œ â <‡ SIGILLÁ4¤ â SIGSEGVÁ<¬ â 13 SIG_DFLÁ<é â <Ù SIG_IGNÁ<š!â <Š! SIG_GETÁ<Ë!â <»! SIG_ERRÁ<ü!â <ì! siginfo_tÁL�#â <Ñ" handlerÁ<Ôlâ <¼l FORBIDDEN_IMPLÁt÷�â <ç� œ,¼ê‚ $±ê À Ä – half_lockÁ
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DÆ 3 o¹4Ý › pü Ž� üƒ' $ Backend of the [signal-hook] crate.Á «ú ü¯[ X The [signal-hook] crate tries to provide an API to the unix signals, which are a globalÁ ü‹^ [ resource. Therefore, it is desirable an application contains just one version of the crateÁ üê` ] which manages this global resource. But that makes it impossible to make breaking changes inÁ dË the API.Á Øú üÜa ^ Therefore, this crate provides very minimal and low level API to the signals that is unlikelyÁ ü¾b _ to have to change, while there may be multiple versions of the [signal-hook] that all use thisÁ ü¡G D low-level API to provide different versions of the high level APIs.Á éú üí^ [ It is also possible some other crates might want to build a completely different API. ThisÁ üÌa ^ split allows these crates to still reuse the same low-level routines in this crate instead ofÁ ü®2 / going to the (much more dangerous) unix calls.Á áú ôå # What this crate providesÁ „ú üˆa ^ The only thing this crate does is multiplexing the signals. An application or library can addÁ üêH E or remove callbacks and have multiple callbacks for the same signal.Á ³ ú ü· V S It handles dispatching the callbacks and managing them in a way that uses only theÁ üŽ
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b _ [async-signal-safe] functions inside the signal handler. Note that the callbacks are still runÁ üñ
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P M inside the signal handler, so it is up to the caller to ensure they are alsoÁ Ä [async-signal-safe].Á Û ú ´ß # What this is forÁ ö ú üú [ X This is a building block for other libraries creating reasonable abstractions on top ofÁ üÖ c ` signals. The [signal-hook] is the generally preferred way if you need to handle signals in yourÁ üº
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# Rust version compatibilityÁ Ÿú ü£[ X Currently builds on 1.26.0 an newer and this is very unlikely to change. However, testsÁ üÿb _ require dependencies that don't build there, so tests need newer Rust version (they are run onÁ dâ stable).Á ïú üóa ^ Note that this ancient version of rustc no longer compiles current versions of `libc`. If youÁ üÕ_ \ want to use rustc this old, you need to force your dependency resolution to pick old enoughÁ üµL I version of `libc` (`0.2.156` was found to work, but newer ones may too).Á ‚ú Œ† # PortabilityÁ ˜ú üœ\ Y This crate includes a limited support for Windows, based on `signal`/`raise` in the CRT.Á üù3 0 There are differences in both API and behavior:Á ú ü±` ] - Due to lack of `siginfo_t`, we don't provide `register_sigaction` or `register_unchecked`.Á ü’? < - Due to lack of signal blocking, there's a race condition.Á üÒJ G After the call to `signal`, there's a moment where we miss a signal.Á ü�Q N That means when you register a handler, there may be a signal which invokesÁ üï> ; neither the default handler or the handler you register.Á ü®M J - Handlers registered by `signal` in Windows are cleared on first signal.Á üü_ \ To match behavior in other platforms, we re-register the handler each time the handler isÁ üÜ; 8 called, but there's a moment where we miss a handler.Á ü˜[ X That means when you receive two signals in a row, there may be a signal which invokesÁ üôR O the default handler, nevertheless you certainly have registered the handler.Á Çú üË. + [signal-hook]: https://docs.rs/signal-hookÁ üúV S [async-signal-safe]: http://www.man7.org/linux/man-pages/man7/signal-safety.7.htmlÁ t Hqx{|�„…‹Œ��’“–˜™š¨©½Ò×ÜÀ% Ä& –% Á0 ß Yí ë Zµ “ [ÿ0 ¯] ]® ¼À ^¯1 ü8 _K †J aÞ1 ï8 b¨/ ' c¨/ ( c´ ¿¬ eÐ Ë4 fÀ2ö áL gÀ2 ¼ g™
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