os_posix.inline.hpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef OS_POSIX_OS_POSIX_INLINE_HPP
#define OS_POSIX_OS_POSIX_INLINE_HPP

// os_posix.hpp included by os.hpp

#include "runtime/os.hpp"

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

// macros for restartable system calls

#define RESTARTABLE(_cmd, _result) do { \
    _result = _cmd; \
  } while(((int)_result == OS_ERR) && (errno == EINTR))

#define RESTARTABLE_RETURN_INT(_cmd) do { \
  int _result; \
  RESTARTABLE(_cmd, _result); \
  return _result; \
} while(false)

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

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

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

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

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

#endif // OS_POSIX_OS_POSIX_INLINE_HPP