my_thread_bits.h

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/* Copyright (c) 2000, 2024, Oracle and/or its affiliates.
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.
 
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef COMPONENTS_SERVICES_BITS_MY_THREAD_BITS_H
#define COMPONENTS_SERVICES_BITS_MY_THREAD_BITS_H
 
/**
  @file mysql/components/services/bits/my_thread_bits.h
  Types to make different thread packages compatible.
*/
 
#ifndef MYSQL_ABI_CHECK
#if defined(_WIN32)
#include <windows.h>
#else
#include <pthread.h>  // IWYU pragma: export
#include <sched.h>    // IWYU pragma: export
#endif
#endif /* MYSQL_ABI_CHECK */
 
#if defined(_WIN32) && !defined(MYSQL_ABI_CHECK)
typedef DWORD my_thread_t;
typedef struct thread_attr {
  DWORD dwStackSize;
  int detachstate;
} my_thread_attr_t;
#else
typedef pthread_t my_thread_t;
typedef pthread_attr_t my_thread_attr_t;
#endif
 
// Linux: unsigned long int
// Solaris: unsigned int
// Windows: DWORD
// Mac:__darwin_pthread_t ==  _opaque_pthread_t*
static constexpr my_thread_t null_thread_initializer = my_thread_t{};
 
struct my_thread_handle {
  my_thread_t thread{null_thread_initializer};
#if defined(_WIN32) && !defined(MYSQL_ABI_CHECK)
  HANDLE handle{INVALID_HANDLE_VALUE};
#endif
};
 
#endif /* COMPONENTS_SERVICES_BITS_MY_THREAD_BITS_H */