Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp @ 1286:ab75c83d7c37
Merge
author | johnc |
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date | Tue, 02 Mar 2010 13:57:46 -0800 |
parents | c0492d52d55b |
children | c18cbe5936b8 |
rev | line source |
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0 | 1 /* |
2 * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_vmPSOperations.cpp.incl" | |
27 | |
28 // The following methods are used by the parallel scavenge collector | |
29 VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size, | |
30 bool is_tlab, unsigned int gc_count) : | |
31 VM_GC_Operation(gc_count), | |
32 _size(size), | |
33 _is_tlab(is_tlab), | |
34 _result(NULL) | |
35 { | |
36 } | |
37 | |
38 void VM_ParallelGCFailedAllocation::doit() { | |
39 JvmtiGCForAllocationMarker jgcm; | |
40 notify_gc_begin(false); | |
41 | |
42 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
43 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); | |
44 | |
45 GCCauseSetter gccs(heap, _gc_cause); | |
46 _result = heap->failed_mem_allocate(_size, _is_tlab); | |
47 | |
48 if (_result == NULL && GC_locker::is_active_and_needs_gc()) { | |
49 set_gc_locked(); | |
50 } | |
51 | |
52 notify_gc_end(); | |
53 } | |
54 | |
55 VM_ParallelGCFailedPermanentAllocation::VM_ParallelGCFailedPermanentAllocation(size_t size, | |
56 unsigned int gc_count, unsigned int full_gc_count) : | |
57 VM_GC_Operation(gc_count, full_gc_count, true /* full */), | |
58 _size(size), | |
59 _result(NULL) | |
60 { | |
61 } | |
62 | |
63 void VM_ParallelGCFailedPermanentAllocation::doit() { | |
64 JvmtiGCFullMarker jgcm; | |
65 notify_gc_begin(true); | |
66 | |
67 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
68 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); | |
69 | |
70 GCCauseSetter gccs(heap, _gc_cause); | |
71 _result = heap->failed_permanent_mem_allocate(_size); | |
139
c0492d52d55b
6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents:
0
diff
changeset
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72 if (_result == NULL && GC_locker::is_active_and_needs_gc()) { |
c0492d52d55b
6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents:
0
diff
changeset
|
73 set_gc_locked(); |
c0492d52d55b
6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents:
0
diff
changeset
|
74 } |
0 | 75 notify_gc_end(); |
76 } | |
77 | |
78 // Only used for System.gc() calls | |
79 VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count, | |
80 unsigned int full_gc_count, | |
81 GCCause::Cause gc_cause) : | |
82 VM_GC_Operation(gc_count, full_gc_count, true /* full */) | |
83 { | |
84 _gc_cause = gc_cause; | |
85 } | |
86 | |
87 void VM_ParallelGCSystemGC::doit() { | |
88 JvmtiGCFullMarker jgcm; | |
89 notify_gc_begin(true); | |
90 | |
91 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
92 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, | |
93 "must be a ParallelScavengeHeap"); | |
94 | |
95 GCCauseSetter gccs(heap, _gc_cause); | |
96 if (_gc_cause == GCCause::_gc_locker | |
97 DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) { | |
98 // If (and only if) the scavenge fails, this will invoke a full gc. | |
99 heap->invoke_scavenge(); | |
100 } else { | |
101 heap->invoke_full_gc(false); | |
102 } | |
103 notify_gc_end(); | |
104 } |