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6471769: Error: assert(_cur_stack_depth == count_frames(),"cur_stack_depth out of sync")

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It is more safe to get/update data for suspended threads at a safepoint

Reviewed-by: dcubed, twisti, dholmes
This commit is contained in:
Serguei Spitsyn 2014-03-01 08:05:55 -08:00 • committed by Serguei Spitsyn
parent e1998b8813
commit 791b5d2b0d
6 changed files with 108 additions and 56 deletions
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8
hotspot/src/share/vm/prims/jvmtiEventController.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -989,21 +989,21 @@ JvmtiEventController::set_extension_event_callback(JvmtiEnvBase *env,
void
JvmtiEventController::set_frame_pop(JvmtiEnvThreadState *ets, JvmtiFramePop fpop) {
MutexLocker mu(JvmtiThreadState_lock);
MutexLockerEx mu(SafepointSynchronize::is_at_safepoint() ? NULL : JvmtiThreadState_lock);
JvmtiEventControllerPrivate::set_frame_pop(ets, fpop);
}
void
JvmtiEventController::clear_frame_pop(JvmtiEnvThreadState *ets, JvmtiFramePop fpop) {
MutexLocker mu(JvmtiThreadState_lock);
MutexLockerEx mu(SafepointSynchronize::is_at_safepoint() ? NULL : JvmtiThreadState_lock);
JvmtiEventControllerPrivate::clear_frame_pop(ets, fpop);
}
void
JvmtiEventController::clear_to_frame_pop(JvmtiEnvThreadState *ets, JvmtiFramePop fpop) {
MutexLocker mu(JvmtiThreadState_lock);
MutexLockerEx mu(SafepointSynchronize::is_at_safepoint() ? NULL : JvmtiThreadState_lock);
JvmtiEventControllerPrivate::clear_to_frame_pop(ets, fpop);
}