mirror of
https://github.com/matrix-construct/construct
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64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2021 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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namespace ircd::ctx::posix
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{
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struct enable_pthread;
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struct disable_pthread;
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extern log::log log;
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extern int enable_hook; // -1 = pthread; 0 = auto; 1 = ircd::ctx.
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extern std::vector<context> ctxs;
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}
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/// Instances of this object force all pthread_create() to create real
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/// pthreads. By default that decision is internally automated. The
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/// assertion made by this object takes precedence over instances of
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/// disable_pthread.
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struct ircd::ctx::posix::enable_pthread
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{
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int theirs
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{
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enable_hook
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};
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enable_pthread(const bool &ours = true)
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{
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enable_hook = ours? -1: theirs;
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}
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~enable_pthread() noexcept
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{
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enable_hook = theirs;
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}
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};
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/// Instances of this object force all pthread_create() to create ircd::context
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/// userspace threads rather than real pthreads(). By default this is
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/// determined internally, but instances of this object will force that behavior
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/// in all cases except when instances of enable_pthread exist, which takes
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/// precedence.
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struct ircd::ctx::posix::disable_pthread
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{
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int theirs
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{
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enable_hook
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};
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disable_pthread(const bool &ours = true)
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{
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enable_hook = ours? 1: theirs;
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}
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~disable_pthread() noexcept
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{
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enable_hook = theirs;
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}
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};
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