src/hotspot/os/posix/os_posix.inline.hpp
author kbarrett
Tue, 19 Mar 2019 14:32:41 -0400
changeset 54195 4b6a629d0615
parent 53886 e94ed0236046
child 57738 807d192fb7dd
permissions -rw-r--r--
8218975: Bug in macOSX kernel's pthread support Summary: Use freelist of pthread_mutex/condvar pairs on macOSX. Reviewed-by: tschatzl, dholmes, dcubed Contributed-by: kim.barrett@oracle.com, patricio.chilano.mateo@oracle.com

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef OS_POSIX_OS_POSIX_INLINE_HPP
#define OS_POSIX_OS_POSIX_INLINE_HPP

#include "runtime/os.hpp"

#ifdef SUPPORTS_CLOCK_MONOTONIC

// Exported clock functionality

inline bool os::Posix::supports_monotonic_clock() {
  return _clock_gettime != NULL;
}

inline int os::Posix::clock_gettime(clockid_t clock_id, struct timespec *tp) {
  return _clock_gettime != NULL ? _clock_gettime(clock_id, tp) : -1;
}

inline int os::Posix::clock_getres(clockid_t clock_id, struct timespec *tp) {
  return _clock_getres != NULL ? _clock_getres(clock_id, tp) : -1;
}

#endif // SUPPORTS_CLOCK_MONOTONIC

#ifndef SOLARIS

// Platform Monitor implementation

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

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

inline bool os::PlatformMonitor::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 // !SOLARIS

#endif // OS_POSIX_OS_POSIX_INLINE_HPP