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libitm: Truncate undo log after rolling back.

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libitm/
	* local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
	rolling back.
	* containers.h (GTM::vector::set_size): New.

From-SVN: r183173
This commit is contained in:
Torvald Riegel 2012-01-13 23:45:42 +00:00 committed by Torvald Riegel
parent 07b6642b93
commit aab74ee9d4
3 changed files with 8 additions and 0 deletions
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6
libitm/ChangeLog
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@ -1,3 +1,9 @@
2012-01-14 Torvald Riegel <triegel@redhat.com>
* local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
rolling back.
* containers.h (GTM::vector::set_size): New.
2012-01-14 Torvald Riegel <triegel@redhat.com> 2012-01-14 Torvald Riegel <triegel@redhat.com>
PR libitm/51855 PR libitm/51855

1
libitm/containers.h
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@ -92,6 +92,7 @@ class vector
size_t size() const { return m_size; } size_t size() const { return m_size; }
size_t capacity() const { return this->capacity; } size_t capacity() const { return this->capacity; }
void set_size (size_t size) { m_size = size; }
void clear() { m_size = 0; } void clear() { m_size = 0; }
iterator push() { iterator push() {

1
libitm/local.cc
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@ -61,6 +61,7 @@ gtm_undolog::rollback (gtm_thread* tx, size_t until_size)
if (likely(ptr > top || (uint8_t*)ptr + len <= bot)) if (likely(ptr > top || (uint8_t*)ptr + len <= bot))
__builtin_memcpy (ptr, &undolog[i], len); __builtin_memcpy (ptr, &undolog[i], len);
} }
undolog.set_size(until_size);
} }
} }