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Datei: os_posix.inline.hpp Sprache: C

/*
* Copyright (c) 2019, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/

#ifndef OS_POSIX_OS_POSIX_INLINE_HPP
#define OS_POSIX_OS_POSIX_INLINE_HPP

#include "os_posix.hpp"

#include "runtime/mutex.hpp"
#include "runtime/os.hpp"

#include <unistd.h>
#include <sys/socket.h>
#include <netdb.h>

// Aix does not have NUMA support but need these for compilation.
inline bool os::numa_has_static_binding()   { AIX_ONLY(ShouldNotReachHere();) return true; }
inline bool os::numa_has_group_homing()     { AIX_ONLY(ShouldNotReachHere();) return false;  }

// Platform Mutex/Monitor implementation

inline void PlatformMutex::lock() {
  int status = pthread_mutex_lock(mutex());
  assert_status(status == 0, status, "mutex_lock");
}

inline void PlatformMutex::unlock() {
  int status = pthread_mutex_unlock(mutex());
  assert_status(status == 0, status, "mutex_unlock");
}

inline bool PlatformMutex::try_lock() {
  int status = pthread_mutex_trylock(mutex());
  assert_status(status == 0 || status == EBUSY, status, "mutex_trylock");
  return status == 0;
}

inline void PlatformMonitor::notify() {
  int status = pthread_cond_signal(cond());
  assert_status(status == 0, status, "cond_signal");
}

inline void PlatformMonitor::notify_all() {
  int status = pthread_cond_broadcast(cond());
  assert_status(status == 0, status, "cond_broadcast");
}

#endif // OS_POSIX_OS_POSIX_INLINE_HPP

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