722
723 // Allocate the OSThread object
724 OSThread* osthread = new OSThread(NULL, NULL);
725 if (osthread == NULL) {
726 return false;
727 }
728
729 // set the correct thread state
730 osthread->set_thread_type(thr_type);
731
732 // Initial state is ALLOCATED but not INITIALIZED
733 osthread->set_state(ALLOCATED);
734
735 thread->set_osthread(osthread);
736
737 // init thread attributes
738 pthread_attr_t attr;
739 pthread_attr_init(&attr);
740 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
741
742 // stack size
743 if (os::Bsd::supports_variable_stack_size()) {
744 // calculate stack size if it's not specified by caller
745 if (stack_size == 0) {
746 stack_size = os::Bsd::default_stack_size(thr_type);
747
748 switch (thr_type) {
749 case os::java_thread:
750 // Java threads use ThreadStackSize which default value can be
751 // changed with the flag -Xss
752 assert(JavaThread::stack_size_at_create() > 0, "this should be set");
753 stack_size = JavaThread::stack_size_at_create();
754 break;
755 case os::compiler_thread:
756 if (CompilerThreadStackSize > 0) {
757 stack_size = (size_t)(CompilerThreadStackSize * K);
758 break;
759 } // else fall through:
760 // use VMThreadStackSize if CompilerThreadStackSize is not defined
761 case os::vm_thread:
762 case os::pgc_thread:
763 case os::cgc_thread:
764 case os::watcher_thread:
765 if (VMThreadStackSize > 0) stack_size = (size_t)(VMThreadStackSize * K);
766 break;
767 }
768 }
769
770 stack_size = MAX2(stack_size, os::Bsd::min_stack_allowed);
771 pthread_attr_setstacksize(&attr, stack_size);
772 } else {
773 // let pthread_create() pick the default value.
774 }
775
776 ThreadState state;
777
778 {
779 pthread_t tid;
780 int ret = pthread_create(&tid, &attr, (void* (*)(void*)) java_start, thread);
781
782 pthread_attr_destroy(&attr);
783
784 if (ret != 0) {
785 if (PrintMiscellaneous && (Verbose || WizardMode)) {
786 perror("pthread_create()");
787 }
788 // Need to clean up stuff we've allocated so far
789 thread->set_osthread(NULL);
790 delete osthread;
791 return false;
792 }
793
794 // Store pthread info into the OSThread
|
722
723 // Allocate the OSThread object
724 OSThread* osthread = new OSThread(NULL, NULL);
725 if (osthread == NULL) {
726 return false;
727 }
728
729 // set the correct thread state
730 osthread->set_thread_type(thr_type);
731
732 // Initial state is ALLOCATED but not INITIALIZED
733 osthread->set_state(ALLOCATED);
734
735 thread->set_osthread(osthread);
736
737 // init thread attributes
738 pthread_attr_t attr;
739 pthread_attr_init(&attr);
740 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
741
742 // calculate stack size if it's not specified by caller
743 if (stack_size == 0) {
744 stack_size = os::Bsd::default_stack_size(thr_type);
745
746 switch (thr_type) {
747 case os::java_thread:
748 // Java threads use ThreadStackSize which default value can be
749 // changed with the flag -Xss
750 assert(JavaThread::stack_size_at_create() > 0, "this should be set");
751 stack_size = JavaThread::stack_size_at_create();
752 break;
753 case os::compiler_thread:
754 if (CompilerThreadStackSize > 0) {
755 stack_size = (size_t)(CompilerThreadStackSize * K);
756 break;
757 } // else fall through:
758 // use VMThreadStackSize if CompilerThreadStackSize is not defined
759 case os::vm_thread:
760 case os::pgc_thread:
761 case os::cgc_thread:
762 case os::watcher_thread:
763 if (VMThreadStackSize > 0) stack_size = (size_t)(VMThreadStackSize * K);
764 break;
765 }
766 }
767
768 stack_size = MAX2(stack_size, os::Bsd::min_stack_allowed);
769 pthread_attr_setstacksize(&attr, stack_size);
770
771 ThreadState state;
772
773 {
774 pthread_t tid;
775 int ret = pthread_create(&tid, &attr, (void* (*)(void*)) java_start, thread);
776
777 pthread_attr_destroy(&attr);
778
779 if (ret != 0) {
780 if (PrintMiscellaneous && (Verbose || WizardMode)) {
781 perror("pthread_create()");
782 }
783 // Need to clean up stuff we've allocated so far
784 thread->set_osthread(NULL);
785 delete osthread;
786 return false;
787 }
788
789 // Store pthread info into the OSThread
|