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Optimize tr_freehook

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This commit is contained in:
Ulrich Drepper 2011-12-22 11:38:32 -05:00
parent b7763303bf
commit 4104316861
3 changed files with 12 additions and 6 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2011-12-22 Ulrich Drepper <drepper@gmail.com>
[BZ #13328]
* malloc/mtrace.c (tr_freehook): Avoid unnecessary unlock/lock.
Proposed by Mariusz_Cukr <marcukr@op.pl>.
* sysdeps/x86_64/fpu/bits/fenv.h: Use __REDIRECT_NTH for
__feraiseexcept_renamed.

6
NEWS
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@ -12,9 +12,9 @@ Version 2.15
6779, 6783, 9696, 10103, 10709, 11589, 12403, 12847, 12868, 12852, 12874,
12885, 12892, 12907, 12922, 12935, 13007, 13021, 13067, 13068, 13090,
13092, 13114, 13118, 13123, 13134, 13138, 13147, 13150, 13179, 13192,
13268, 13276, 13291, 13305, 13335, 13337, 13344, 13358, 13367, 13413,
13416, 13423, 13439, 13446, 13472, 13484, 13506, 13515, 13523, 13524,
13538
13268, 13276, 13291, 13305, 13328, 13335, 13337, 13344, 13358, 13367,
13413, 13416, 13423, 13439, 13446, 13472, 13484, 13506, 13515, 13523,
13524, 13538
* New program pldd to list loaded object of a process
Implemented by Ulrich Drepper.

8
malloc/mtrace.c
View file

@ -146,10 +146,12 @@ tr_freehook (ptr, caller)
tr_where (caller, info);
/* Be sure to print it first. */
fprintf (mallstream, "- %p\n", ptr);
__libc_lock_unlock (lock);
if (ptr == mallwatch)
tr_break ();
__libc_lock_lock (lock);
{
__libc_lock_unlock (lock);
tr_break ();
__libc_lock_lock (lock);
}
__free_hook = tr_old_free_hook;
if (tr_old_free_hook != NULL)
(*tr_old_free_hook) (ptr, caller);