--- a/src/hotspot/os/aix/os_aix.inline.hpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/aix/os_aix.inline.hpp	Fri Feb 22 09:23:37 2019 +0100
@@ -27,6 +27,7 @@
 #define OS_AIX_OS_AIX_INLINE_HPP
 
 #include "runtime/os.hpp"
+#include "os_posix.inline.hpp"
 
 // System includes
 

--- a/src/hotspot/os/bsd/os_bsd.cpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/bsd/os_bsd.cpp	Fri Feb 22 09:23:37 2019 +0100
@@ -37,6 +37,7 @@
 #include "memory/filemap.hpp"
 #include "oops/oop.inline.hpp"
 #include "os_bsd.inline.hpp"
+#include "os_posix.inline.hpp"
 #include "os_share_bsd.hpp"
 #include "prims/jniFastGetField.hpp"
 #include "prims/jvm_misc.hpp"

--- a/src/hotspot/os/bsd/os_bsd.inline.hpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/bsd/os_bsd.inline.hpp	Fri Feb 22 09:23:37 2019 +0100
@@ -26,6 +26,7 @@
 #define OS_BSD_OS_BSD_INLINE_HPP
 
 #include "runtime/os.hpp"
+#include "os_posix.inline.hpp"
 
 // System includes
 

--- a/src/hotspot/os/linux/os_linux.cpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/linux/os_linux.cpp	Fri Feb 22 09:23:37 2019 +0100
@@ -38,6 +38,7 @@
 #include "memory/filemap.hpp"
 #include "oops/oop.inline.hpp"
 #include "os_linux.inline.hpp"
+#include "os_posix.inline.hpp"
 #include "os_share_linux.hpp"
 #include "osContainer_linux.hpp"
 #include "prims/jniFastGetField.hpp"

--- a/src/hotspot/os/posix/os_posix.cpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/posix/os_posix.cpp	Fri Feb 22 09:23:37 2019 +0100
@@ -2219,22 +2219,6 @@
   assert_status(status == 0, status, "mutex_destroy");
 }
 
-void os::PlatformMonitor::lock() {
-  int status = pthread_mutex_lock(&_mutex);
-  assert_status(status == 0, status, "mutex_lock");
-}
-
-void os::PlatformMonitor::unlock() {
-  int status = pthread_mutex_unlock(&_mutex);
-  assert_status(status == 0, status, "mutex_unlock");
-}
-
-bool os::PlatformMonitor::try_lock() {
-  int status = pthread_mutex_trylock(&_mutex);
-  assert_status(status == 0 || status == EBUSY, status, "mutex_trylock");
-  return status == 0;
-}
-
 // Must already be locked
 int os::PlatformMonitor::wait(jlong millis) {
   assert(millis >= 0, "negative timeout");
@@ -2263,14 +2247,4 @@
   }
 }
 
-void os::PlatformMonitor::notify() {
-  int status = pthread_cond_signal(&_cond);
-  assert_status(status == 0, status, "cond_signal");
-}
-
-void os::PlatformMonitor::notify_all() {
-  int status = pthread_cond_broadcast(&_cond);
-  assert_status(status == 0, status, "cond_broadcast");
-}
-
 #endif // !SOLARIS

--- a/src/hotspot/os/posix/os_posix.inline.hpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/posix/os_posix.inline.hpp	Fri Feb 22 09:23:37 2019 +0100
@@ -42,6 +42,39 @@
 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

--- a/src/hotspot/os/windows/os_windows.cpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/windows/os_windows.cpp	Fri Feb 22 09:23:37 2019 +0100
@@ -5320,27 +5320,6 @@
 
 // Platform Monitor implementation
 
-os::PlatformMonitor::PlatformMonitor() {
-  InitializeConditionVariable(&_cond);
-  InitializeCriticalSection(&_mutex);
-}
-
-os::PlatformMonitor::~PlatformMonitor() {
-  DeleteCriticalSection(&_mutex);
-}
-
-void os::PlatformMonitor::lock() {
-  EnterCriticalSection(&_mutex);
-}
-
-void os::PlatformMonitor::unlock() {
-  LeaveCriticalSection(&_mutex);
-}
-
-bool os::PlatformMonitor::try_lock() {
-  return TryEnterCriticalSection(&_mutex);
-}
-
 // Must already be locked
 int os::PlatformMonitor::wait(jlong millis) {
   assert(millis >= 0, "negative timeout");
@@ -5359,14 +5338,6 @@
   return ret;
 }
 
-void os::PlatformMonitor::notify() {
-  WakeConditionVariable(&_cond);
-}
-
-void os::PlatformMonitor::notify_all() {
-  WakeAllConditionVariable(&_cond);
-}
-
 // Run the specified command in a separate process. Return its exit value,
 // or -1 on failure (e.g. can't create a new process).
 int os::fork_and_exec(char* cmd, bool use_vfork_if_available) {

--- a/src/hotspot/os/windows/os_windows.inline.hpp	Fri Feb 22 11:10:55 2019 +0530
+++ b/src/hotspot/os/windows/os_windows.inline.hpp	Fri Feb 22 09:23:37 2019 +0100
@@ -86,4 +86,35 @@
   win32::exit_process_or_thread(win32::EPT_PROCESS, num);
 }
 
+// Platform Monitor implementation
+
+inline os::PlatformMonitor::PlatformMonitor() {
+  InitializeConditionVariable(&_cond);
+  InitializeCriticalSection(&_mutex);
+}
+
+inline os::PlatformMonitor::~PlatformMonitor() {
+  DeleteCriticalSection(&_mutex);
+}
+
+inline void os::PlatformMonitor::lock() {
+  EnterCriticalSection(&_mutex);
+}
+
+inline void os::PlatformMonitor::unlock() {
+  LeaveCriticalSection(&_mutex);
+}
+
+inline bool os::PlatformMonitor::try_lock() {
+  return TryEnterCriticalSection(&_mutex);
+}
+
+inline void os::PlatformMonitor::notify() {
+  WakeConditionVariable(&_cond);
+}
+
+inline void os::PlatformMonitor::notify_all() {
+  WakeAllConditionVariable(&_cond);
+}
+
 #endif // OS_WINDOWS_OS_WINDOWS_INLINE_HPP