src/os/bsd/vm/os_bsd.hpp
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rev 4205 : Fix non-PCH build on Linux, Windows and MacOS X
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2013, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -150,39 +150,28 @@
// self now that low-level suspension is barely used, and old workarounds
// for BsdThreads are no longer needed.
class SuspendResume {
private:
volatile int _suspend_action;
- // values for suspend_action:
- #define SR_NONE (0x00)
- #define SR_SUSPEND (0x01) // suspend request
- #define SR_CONTINUE (0x02) // resume request
-
volatile jint _state;
- // values for _state: + SR_NONE
- #define SR_SUSPENDED (0x20)
public:
+ // values for suspend_action:
+ enum {
+ SR_NONE = 0x00,
+ SR_SUSPEND = 0x01, // suspend request
+ SR_CONTINUE = 0x02, // resume request
+ SR_SUSPENDED = 0x20 // values for _state: + SR_NONE
+ };
+
SuspendResume() { _suspend_action = SR_NONE; _state = SR_NONE; }
int suspend_action() const { return _suspend_action; }
void set_suspend_action(int x) { _suspend_action = x; }
// atomic updates for _state
- void set_suspended() {
- jint temp, temp2;
- do {
- temp = _state;
- temp2 = Atomic::cmpxchg(temp | SR_SUSPENDED, &_state, temp);
- } while (temp2 != temp);
- }
- void clear_suspended() {
- jint temp, temp2;
- do {
- temp = _state;
- temp2 = Atomic::cmpxchg(temp & ~SR_SUSPENDED, &_state, temp);
- } while (temp2 != temp);
- }
+ inline void set_suspended();
+ inline void clear_suspended();
bool is_suspended() { return _state & SR_SUSPENDED; }
#undef SR_SUSPENDED
};