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src/os_cpu/linux_zero/vm/os_linux_zero.cpp
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rev 12406 : 8169373: Work around linux NPTL stack guard error.
Summary: Also skip libc guard page for compiler thread, merge similar code on linux platforms, and streamline libc guard page handling on linuxs390, linuxppc, aixppc.
Reviewed-by: dholmes, dcubed, kvn
@@ -318,33 +318,27 @@
size_t s = (thr_type == os::compiler_thread ? 2 * M : 512 * K);
#endif // _LP64
return s;
}
-size_t os::Linux::default_guard_size(os::ThreadType thr_type) {
- // Only enable glibc guard pages for non-Java threads
- // (Java threads have HotSpot guard pages)
- return (thr_type == java_thread ? 0 : page_size());
-}
-
static void current_stack_region(address *bottom, size_t *size) {
pthread_attr_t attr;
int res = pthread_getattr_np(pthread_self(), &attr);
if (res != 0) {
if (res == ENOMEM) {
vm_exit_out_of_memory(0, OOM_MMAP_ERROR, "pthread_getattr_np");
}
else {
- fatal("pthread_getattr_np failed with errno = %d", res);
+ fatal("pthread_getattr_np failed with error = %d", res);
}
}
address stack_bottom;
size_t stack_bytes;
res = pthread_attr_getstack(&attr, (void **) &stack_bottom, &stack_bytes);
if (res != 0) {
- fatal("pthread_attr_getstack failed with errno = %d", res);
+ fatal("pthread_attr_getstack failed with error = %d", res);
}
address stack_top = stack_bottom + stack_bytes;
// The block of memory returned by pthread_attr_getstack() includes
// guard pages where present. We need to trim these off.
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