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98 lines
3.6 KiB
98 lines
3.6 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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/**
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* @file thread_properties.h
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* @brief Thread properties API.
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*
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* https://sourceware.org/glibc/wiki/ThreadPropertiesAPI
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* API for querying various properties of the current thread, used mostly by
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* the sanitizers.
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*
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* Available since API level 31.
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*
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*/
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#include <sys/cdefs.h>
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#include <unistd.h>
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__BEGIN_DECLS
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/**
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* Gets the bounds of static TLS for the current thread.
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*
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* Available since API level 31.
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*/
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void __libc_get_static_tls_bounds(void** __static_tls_begin,
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void** __static_tls_end) __INTRODUCED_IN(31);
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/**
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* Registers callback to be called right before the thread is dead.
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* The callbacks are chained, they are called in the order opposite to the order
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* they were registered.
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*
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* The callbacks must be registered only before any threads were created.
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* No signals may arrive during the calls to these callbacks.
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* The callbacks may not access the thread's dynamic TLS because they will have
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* been freed by the time these callbacks are invoked.
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*
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* Available since API level 31.
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*/
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void __libc_register_thread_exit_callback(void (*__cb)(void)) __INTRODUCED_IN(31);
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/**
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* Iterates over all dynamic TLS chunks for the given thread.
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* The thread should have been suspended. It is undefined-behaviour if there is concurrent
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* modification of the target thread's dynamic TLS.
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*
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* Available since API level 31.
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*/
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void __libc_iterate_dynamic_tls(pid_t __tid,
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void (*__cb)(void* __dynamic_tls_begin,
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void* __dynamic_tls_end,
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size_t __dso_id,
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void* __arg),
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void* __arg) __INTRODUCED_IN(31);
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/**
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* Register on_creation and on_destruction callbacks, which will be called after a dynamic
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* TLS creation and before a dynamic TLS destruction, respectively.
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*
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* Available since API level 31.
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*/
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void __libc_register_dynamic_tls_listeners(
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void (*__on_creation)(void* __dynamic_tls_begin,
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void* __dynamic_tls_end),
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void (*__on_destruction)(void* __dynamic_tls_begin,
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void* __dynamic_tls_end)) __INTRODUCED_IN(31);
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__END_DECLS
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