< prev index next >
hotspot/src/os/bsd/vm/os_bsd.cpp
Print this page
*** 732,742 ****
}
return 0;
}
! bool os::create_thread(Thread* thread, ThreadType thr_type, size_t stack_size) {
assert(thread->osthread() == NULL, "caller responsible");
// Allocate the OSThread object
OSThread* osthread = new OSThread(NULL, NULL);
if (osthread == NULL) {
--- 732,743 ----
}
return 0;
}
! bool os::create_thread(Thread* thread, ThreadType thr_type,
! size_t req_stack_size) {
assert(thread->osthread() == NULL, "caller responsible");
// Allocate the OSThread object
OSThread* osthread = new OSThread(NULL, NULL);
if (osthread == NULL) {
*** 755,790 ****
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
// calculate stack size if it's not specified by caller
! if (stack_size == 0) {
! stack_size = os::Bsd::default_stack_size(thr_type);
!
! switch (thr_type) {
! case os::java_thread:
! // Java threads use ThreadStackSize which default value can be
! // changed with the flag -Xss
! assert(JavaThread::stack_size_at_create() > 0, "this should be set");
! stack_size = JavaThread::stack_size_at_create();
! break;
! case os::compiler_thread:
! if (CompilerThreadStackSize > 0) {
! stack_size = (size_t)(CompilerThreadStackSize * K);
! break;
! } // else fall through:
! // use VMThreadStackSize if CompilerThreadStackSize is not defined
! case os::vm_thread:
! case os::pgc_thread:
! case os::cgc_thread:
! case os::watcher_thread:
! if (VMThreadStackSize > 0) stack_size = (size_t)(VMThreadStackSize * K);
! break;
! }
! }
!
! stack_size = MAX2(stack_size, os::Bsd::min_stack_allowed);
pthread_attr_setstacksize(&attr, stack_size);
ThreadState state;
{
--- 756,766 ----
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
// calculate stack size if it's not specified by caller
! size_t stack_size = os::Posix::get_initial_stack_size(thr_type, req_stack_size);
pthread_attr_setstacksize(&attr, stack_size);
ThreadState state;
{
*** 3500,3535 ****
}
Bsd::signal_sets_init();
Bsd::install_signal_handlers();
! // Check minimum allowable stack size for thread creation and to initialize
! // the java system classes, including StackOverflowError - depends on page
! // size. Add two 4K pages for compiler2 recursion in main thread.
! // Add in 4*BytesPerWord 4K pages to account for VM stack during
! // class initialization depending on 32 or 64 bit VM.
! os::Bsd::min_stack_allowed = MAX2(os::Bsd::min_stack_allowed,
! JavaThread::stack_guard_zone_size() +
! JavaThread::stack_shadow_zone_size() +
! (4*BytesPerWord COMPILER2_PRESENT(+2)) * 4 * K);
!
! os::Bsd::min_stack_allowed = align_size_up(os::Bsd::min_stack_allowed, os::vm_page_size());
!
! size_t threadStackSizeInBytes = ThreadStackSize * K;
! if (threadStackSizeInBytes != 0 &&
! threadStackSizeInBytes < os::Bsd::min_stack_allowed) {
! tty->print_cr("\nThe stack size specified is too small, "
! "Specify at least %dk",
! os::Bsd::min_stack_allowed/ K);
return JNI_ERR;
}
- // Make the stack size a multiple of the page size so that
- // the yellow/red zones can be guarded.
- JavaThread::set_stack_size_at_create(round_to(threadStackSizeInBytes,
- vm_page_size()));
-
if (MaxFDLimit) {
// set the number of file descriptors to max. print out error
// if getrlimit/setrlimit fails but continue regardless.
struct rlimit nbr_files;
int status = getrlimit(RLIMIT_NOFILE, &nbr_files);
--- 3476,3490 ----
}
Bsd::signal_sets_init();
Bsd::install_signal_handlers();
! // Check and sets minimum stack sizes against command line options
! if (Posix::set_minimum_stack_sizes() == JNI_ERR) {
return JNI_ERR;
}
if (MaxFDLimit) {
// set the number of file descriptors to max. print out error
// if getrlimit/setrlimit fails but continue regardless.
struct rlimit nbr_files;
int status = getrlimit(RLIMIT_NOFILE, &nbr_files);
< prev index next >