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src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp
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rev 12307 : 8169373: Work around linux NPTL stack guard error.
Summary: Also streamline OS guard page handling on linuxs390, linuxppc, aixppc.
rev 12308 : imported patch new_os_guard_for_java_thread.patch
*** 730,741 ****
}
///////////////////////////////////////////////////////////////////////////////
// thread stack
! size_t os::Posix::_compiler_thread_min_stack_allowed = 128 * K;
! size_t os::Posix::_java_thread_min_stack_allowed = 128 * K;
size_t os::Posix::_vm_internal_thread_min_stack_allowed = 128 * K;
// return default stack size for thr_type
size_t os::Posix::default_stack_size(os::ThreadType thr_type) {
// default stack size (compiler thread needs larger stack)
--- 730,743 ----
}
///////////////////////////////////////////////////////////////////////////////
// thread stack
! // These sizes exclude OS stack guard pages, but include
! // the VM guard pages.
! size_t os::Posix::_compiler_thread_min_stack_allowed = 32 * K;
! size_t os::Posix::_java_thread_min_stack_allowed = 32 * K;
size_t os::Posix::_vm_internal_thread_min_stack_allowed = 128 * K;
// return default stack size for thr_type
size_t os::Posix::default_stack_size(os::ThreadType thr_type) {
// default stack size (compiler thread needs larger stack)
*** 744,754 ****
}
size_t os::Linux::default_guard_size(os::ThreadType thr_type) {
// Creating guard page is very expensive. Java thread has HotSpot
// guard page, only enable glibc guard page for non-Java threads.
! return (thr_type == java_thread ? 0 : page_size());
}
#ifndef PRODUCT
void os::verify_stack_alignment() {
}
--- 746,756 ----
}
size_t os::Linux::default_guard_size(os::ThreadType thr_type) {
// Creating guard page is very expensive. Java thread has HotSpot
// guard page, only enable glibc guard page for non-Java threads.
! return ((thr_type == java_thread || thr_type == os::compiler_thread) ? 0 : page_size());
}
#ifndef PRODUCT
void os::verify_stack_alignment() {
}
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