7098194: integrate macosx-port changes

Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.

Co-authored-by: Greg Lewis <glewis@eyesbeyond.com>
Co-authored-by: Kurt Miller <kurt@intricatesoftware.com>
Co-authored-by: Alexander Strange <astrange@apple.com>
Co-authored-by: Mike Swingler <swingler@apple.com>
Co-authored-by: Roger Hoover <rhoover@apple.com>
Co-authored-by: Victor Hernandez <vhernandez@apple.com>
Co-authored-by: Pratik Solanki <psolanki@apple.com>
Reviewed-by: kvn, dholmes, never, phh
This commit is contained in:
Christos Zoulas 2011-10-13 09:35:42 -07:00 committed by Daniel D. Daugherty
parent e9b8f2bab4
commit 32708baef1
70 changed files with 8298 additions and 225 deletions

View file

@ -79,9 +79,11 @@
#include <errno.h>
#ifndef USDT2
HS_DTRACE_PROBE_DECL1(hotspot, thread__sleep__begin, long long);
HS_DTRACE_PROBE_DECL1(hotspot, thread__sleep__end, int);
HS_DTRACE_PROBE_DECL0(hotspot, thread__yield);
#endif /* !USDT2 */
/*
NOTE about use of any ctor or function call that can trigger a safepoint/GC:
@ -2816,7 +2818,11 @@ JVM_END
JVM_ENTRY(void, JVM_Yield(JNIEnv *env, jclass threadClass))
JVMWrapper("JVM_Yield");
if (os::dont_yield()) return;
#ifndef USDT2
HS_DTRACE_PROBE0(hotspot, thread__yield);
#else /* USDT2 */
HOTSPOT_THREAD_YIELD();
#endif /* USDT2 */
// When ConvertYieldToSleep is off (default), this matches the classic VM use of yield.
// Critical for similar threading behaviour
if (ConvertYieldToSleep) {
@ -2842,7 +2848,12 @@ JVM_ENTRY(void, JVM_Sleep(JNIEnv* env, jclass threadClass, jlong millis))
// And set new thread state to SLEEPING.
JavaThreadSleepState jtss(thread);
#ifndef USDT2
HS_DTRACE_PROBE1(hotspot, thread__sleep__begin, millis);
#else /* USDT2 */
HOTSPOT_THREAD_SLEEP_BEGIN(
millis);
#endif /* USDT2 */
if (millis == 0) {
// When ConvertSleepToYield is on, this matches the classic VM implementation of
@ -2864,7 +2875,12 @@ JVM_ENTRY(void, JVM_Sleep(JNIEnv* env, jclass threadClass, jlong millis))
// An asynchronous exception (e.g., ThreadDeathException) could have been thrown on
// us while we were sleeping. We do not overwrite those.
if (!HAS_PENDING_EXCEPTION) {
#ifndef USDT2
HS_DTRACE_PROBE1(hotspot, thread__sleep__end,1);
#else /* USDT2 */
HOTSPOT_THREAD_SLEEP_END(
1);
#endif /* USDT2 */
// TODO-FIXME: THROW_MSG returns which means we will not call set_state()
// to properly restore the thread state. That's likely wrong.
THROW_MSG(vmSymbols::java_lang_InterruptedException(), "sleep interrupted");
@ -2872,7 +2888,12 @@ JVM_ENTRY(void, JVM_Sleep(JNIEnv* env, jclass threadClass, jlong millis))
}
thread->osthread()->set_state(old_state);
}
#ifndef USDT2
HS_DTRACE_PROBE1(hotspot, thread__sleep__end,0);
#else /* USDT2 */
HOTSPOT_THREAD_SLEEP_END(
0);
#endif /* USDT2 */
JVM_END
JVM_ENTRY(jobject, JVM_CurrentThread(JNIEnv* env, jclass threadClass))
@ -2990,6 +3011,20 @@ JVM_ENTRY(void, JVM_DumpAllStacks(JNIEnv* env, jclass))
}
JVM_END
JVM_ENTRY(void, JVM_SetNativeThreadName(JNIEnv* env, jobject jthread, jstring name))
JVMWrapper("JVM_SetNativeThreadName");
ResourceMark rm(THREAD);
oop java_thread = JNIHandles::resolve_non_null(jthread);
JavaThread* thr = java_lang_Thread::thread(java_thread);
// Thread naming only supported for the current thread, doesn't work for
// target threads.
if (Thread::current() == thr && !thr->has_attached_via_jni()) {
// we don't set the name of an attached thread to avoid stepping
// on other programs
const char *thread_name = java_lang_String::as_utf8_string(JNIHandles::resolve_non_null(name));
os::set_native_thread_name(thread_name);
}
JVM_END
// java.lang.SecurityManager ///////////////////////////////////////////////////////////////////////