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8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint

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Detect mmap() commit failures in Linux and Solaris os::commit_memory() impls and call vm_exit_out_of_memory(). Add os::commit_memory_or_exit(). Also tidy up some NMT accounting and some mmap() return value checking.

Reviewed-by: zgu, stefank, dholmes, dsamersoff
This commit is contained in:
Daniel D. Daugherty 2013-06-13 11:16:38 -07:00
parent 718f3252f6
commit 72a51a0c44
18 changed files with 357 additions and 80 deletions
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10
hotspot/src/share/vm/gc_implementation/parallelScavenge/cardTableExtension.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 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
@ -565,11 +565,9 @@ bool CardTableExtension::resize_commit_uncommit(int changed_region,
if(new_start_aligned < new_end_for_commit) {
MemRegion new_committed =
MemRegion(new_start_aligned, new_end_for_commit);
if (!os::commit_memory((char*)new_committed.start(),
new_committed.byte_size())) {
vm_exit_out_of_memory(new_committed.byte_size(), OOM_MMAP_ERROR,
"card table expansion");
}
os::commit_memory_or_exit((char*)new_committed.start(),
new_committed.byte_size(), !ExecMem,
"card table expansion");
}
result = true;
} else if (new_start_aligned > cur_committed.start()) {