20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/thread.inline.hpp"
  27 #include "runtime/threadCritical.hpp"
  28 
  29 // put OS-includes here
  30 # include <pthread.h>
  31 
  32 //
  33 // See threadCritical.hpp for details of this class.
  34 //
  35 
  36 static pthread_t             tc_owner = 0;
  37 static pthread_mutex_t       tc_mutex = PTHREAD_MUTEX_INITIALIZER;
  38 static int                   tc_count = 0;
  39 
  40 void ThreadCritical::initialize() {
  41 }
  42 
  43 void ThreadCritical::release() {
  44 }
  45 
  46 ThreadCritical::ThreadCritical() {
  47   pthread_t self = pthread_self();
  48   if (self != tc_owner) {
  49     int ret = pthread_mutex_lock(&tc_mutex);
  50     guarantee(ret == 0, "fatal error with pthread_mutex_lock()");
  51     assert(tc_count == 0, "Lock acquired with illegal reentry count.");
  52     tc_owner = self;
  53   }
  54   tc_count++;
  55 }
  56 
  57 ThreadCritical::~ThreadCritical() {
  58   assert(tc_owner == pthread_self(), "must have correct owner");
  59   assert(tc_count > 0, "must have correct count");
  60 
  61   tc_count--;
  62   if (tc_count == 0) {
  63     tc_owner = 0;
  64     int ret = pthread_mutex_unlock(&tc_mutex);
  65     guarantee(ret == 0, "fatal error with pthread_mutex_unlock()");

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/thread.inline.hpp"
  27 #include "runtime/threadCritical.hpp"
  28 
  29 // put OS-includes here
  30 # include <pthread.h>
  31 
  32 //
  33 // See threadCritical.hpp for details of this class.
  34 //
  35 
  36 static pthread_t             tc_owner = 0;
  37 static pthread_mutex_t       tc_mutex = PTHREAD_MUTEX_INITIALIZER;
  38 static int                   tc_count = 0;
  39 






  40 ThreadCritical::ThreadCritical() {
  41   pthread_t self = pthread_self();
  42   if (self != tc_owner) {
  43     int ret = pthread_mutex_lock(&tc_mutex);
  44     guarantee(ret == 0, "fatal error with pthread_mutex_lock()");
  45     assert(tc_count == 0, "Lock acquired with illegal reentry count.");
  46     tc_owner = self;
  47   }
  48   tc_count++;
  49 }
  50 
  51 ThreadCritical::~ThreadCritical() {
  52   assert(tc_owner == pthread_self(), "must have correct owner");
  53   assert(tc_count > 0, "must have correct count");
  54 
  55   tc_count--;
  56   if (tc_count == 0) {
  57     tc_owner = 0;
  58     int ret = pthread_mutex_unlock(&tc_mutex);
  59     guarantee(ret == 0, "fatal error with pthread_mutex_unlock()");