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comparison src/share/vm/memory/collectorPolicy.cpp @ 22936:fb69749583e8

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8072621: Clean up around VM_GC_Operations Reviewed-by: brutisso, jmasa
author mlarsson
date Thu, 09 Apr 2015 15:58:49 +0200
parents d63ce76a0f0e
children dd9cc155639c
comparison
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22935:bff23dedb306 22936:fb69749583e8
1 /* 1 /*
2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
654 654
655 HeapWord* result = NULL; 655 HeapWord* result = NULL;
656 656
657 // Loop until the allocation is satisified, 657 // Loop until the allocation is satisified,
658 // or unsatisfied after GC. 658 // or unsatisfied after GC.
659 for (int try_count = 1, gclocker_stalled_count = 0; /* return or throw */; try_count += 1) { 659 for (uint try_count = 1, gclocker_stalled_count = 0; /* return or throw */; try_count += 1) {
660 HandleMark hm; // discard any handles allocated in each iteration 660 HandleMark hm; // discard any handles allocated in each iteration
661 661
662 // First allocation attempt is lock-free. 662 // First allocation attempt is lock-free.
663 Generation *gen0 = gch->get_gen(0); 663 Generation *gen0 = gch->get_gen(0);
664 assert(gen0->supports_inline_contig_alloc(), 664 assert(gen0->supports_inline_contig_alloc(),
668 if (result != NULL) { 668 if (result != NULL) {
669 assert(gch->is_in_reserved(result), "result not in heap"); 669 assert(gch->is_in_reserved(result), "result not in heap");
670 return result; 670 return result;
671 } 671 }
672 } 672 }
673 unsigned int gc_count_before; // read inside the Heap_lock locked region 673 uint gc_count_before; // read inside the Heap_lock locked region
674 { 674 {
675 MutexLocker ml(Heap_lock); 675 MutexLocker ml(Heap_lock);
676 if (PrintGC && Verbose) { 676 if (PrintGC && Verbose) {
677 gclog_or_tty->print_cr("TwoGenerationCollectorPolicy::mem_allocate_work:" 677 gclog_or_tty->print_cr("TwoGenerationCollectorPolicy::mem_allocate_work:"
678 " attempting locked slow path allocation"); 678 " attempting locked slow path allocation");